{"id":4406,"date":"2026-04-12T00:03:22","date_gmt":"2026-04-11T15:03:22","guid":{"rendered":"https:\/\/blog.id774.net\/entry\/?p=4406"},"modified":"2026-04-10T14:25:04","modified_gmt":"2026-04-10T05:25:04","slug":"ubuntu-26-04-lts-%e3%81%ae%e8%a8%ad%e8%a8%88%e3%81%a8%e9%81%8b%e7%94%a8%e5%88%a4%e6%96%ad","status":"publish","type":"post","link":"https:\/\/blog.id774.net\/entry\/2026\/04\/12\/4406\/","title":{"rendered":"Ubuntu 26.04 LTS \u306e\u8a2d\u8a08\u3068\u904b\u7528\u5224\u65ad"},"content":{"rendered":"<p><a href=\"https:\/\/documentation.ubuntu.com\/release-notes\/26.04\/\">Ubuntu 26.04 LTS<\/a> \u306f\u3001\u898b\u305f\u76ee\u306e\u5909\u66f4\u3060\u3051\u3092\u8ffd\u3046\u3068 GNOME 50 \u3084\u65b0\u3057\u3044\u30a2\u30d7\u30ea\u7fa4\u304c\u76ee\u306b\u5165\u308a\u3084\u3059\u3044\u304c\u3001\u672c\u8cea\u306f\u305d\u3053\u3067\u306f\u306a\u3044\u3002\u4eca\u56de\u306e LTS \u306f\u3001Linux kernel 7.0\u3001systemd 259\u3001APT 3\u3001Netplan 1.2\u3001Dracut \u306a\u3069\u3001OS \u306e\u57fa\u790e\u5c64\u3092\u304b\u306a\u308a\u5927\u304d\u304f\u66f4\u65b0\u3057\u3064\u3064\u3001\u305d\u308c\u3092\u9577\u671f\u30b5\u30dd\u30fc\u30c8\u5bfe\u8c61\u3068\u3057\u3066\u675f\u306d\u76f4\u3059\u30ea\u30ea\u30fc\u30b9\u3067\u3042\u308b<a class=\"ref\" href=\"#ref1\">[1]<\/a><a class=\"ref\" href=\"#ref2\">[2]<\/a>\u3002\u305d\u306e\u305f\u3081\u3001\u5358\u306a\u308b\u300c\u65b0\u6a5f\u80fd\u4e00\u89a7\u300d\u3060\u3051\u3067\u306f\u5168\u4f53\u50cf\u304c\u898b\u3048\u306b\u304f\u3044\u3002\u30c7\u30b9\u30af\u30c8\u30c3\u30d7\u5229\u7528\u8005\u306b\u306f\u4f7f\u3044\u52dd\u624b\u306e\u5909\u5316\u3068\u3057\u3066\u3001\u30b5\u30fc\u30d0\u30fc\u904b\u7528\u8005\u306b\u306f\u79fb\u884c\u6642\u306e\u524d\u63d0\u6761\u4ef6\u5909\u66f4\u3068\u3057\u3066\u3001\u305d\u3057\u3066<a href=\"https:\/\/blog.id774.net\/entry\/2026\/03\/21\/4073\/\">\u9577\u671f\u904b\u7528<\/a>\u3092\u91cd\u8996\u3059\u308b\u6280\u8853\u8005\u306b\u306f Debian \u3068\u306e\u5dee\u3068\u3057\u3066\u73fe\u308c\u308b\u304b\u3089\u3067\u3042\u308b\u3002<\/p>\n<p>\u307e\u305f\u30012026 \u5e74 4 \u6708 12 \u65e5\u6642\u70b9\u3067\u306f Ubuntu 26.04 LTS \u306e\u6700\u7d42\u30ea\u30ea\u30fc\u30b9\u65e5\u306f 2026 \u5e74 4 \u6708 23 \u65e5\u3068\u6848\u5185\u3055\u308c\u3066\u3044\u308b\u305f\u3081\u3001\u672c\u7a3f\u306f\u73fe\u6642\u70b9\u3067\u516c\u958b\u3055\u308c\u3066\u3044\u308b\u516c\u5f0f\u30ea\u30ea\u30fc\u30b9\u30ce\u30fc\u30c8\u3068\u95a2\u9023\u6587\u66f8\u3092\u57fa\u306b\u6574\u7406\u3059\u308b<a class=\"ref\" href=\"#ref3\">[3]<\/a>\u3002\u3057\u305f\u304c\u3063\u3066\u3001\u3053\u3053\u3067\u6271\u3046\u5185\u5bb9\u306f\u5642\u3084\u4e8c\u6b21\u60c5\u5831\u3067\u306f\u306a\u304f\u3001Canonical \u304c\u516c\u5f0f\u306b\u307e\u3068\u3081\u3066\u3044\u308b 26.04 \u7cfb\u306e\u516c\u958b\u60c5\u5831\u3067\u3042\u308b\u3002<\/p>\n<p>\u672c\u7a3f\u306e\u72d9\u3044\u306f\u4e09\u3064\u3042\u308b\u3002\u7b2c\u4e00\u306b\u3001Ubuntu 26.04 \u306e\u65b0\u6a5f\u80fd\u3092\u3001\u30c7\u30b9\u30af\u30c8\u30c3\u30d7\u3068\u30b5\u30fc\u30d0\u30fc\u3092\u5206\u3051\u3066\u4e01\u5be7\u306b\u6574\u7406\u3059\u308b\u3053\u3068\u3002\u7b2c\u4e8c\u306b\u3001\u79fb\u884c\u6642\u306e\u6ce8\u610f\u70b9\u3092\u3001\u5358\u306a\u308b\u8b66\u544a\u306e\u5217\u6319\u3067\u306f\u306a\u304f\u300c\u306a\u305c\u6ce8\u610f\u304c\u5fc5\u8981\u306a\u306e\u304b\u300d\u3068\u3044\u3046\u69cb\u9020\u307e\u3067\u542b\u3081\u3066\u8aac\u660e\u3059\u308b\u3053\u3068\u3002\u7b2c\u4e09\u306b\u3001Ubuntu \u3068 Debian \u306e\u6700\u3082\u91cd\u8981\u306a\u5dee\u3092\u3001<a href=\"https:\/\/blog.id774.net\/entry\/2026\/04\/05\/4318\/\">\u69cb\u9020\u632f\u52d5\u30e2\u30c7\u30eb<\/a>\u3068\u6570\u7406\u30e2\u30c7\u30eb\u5316\u306b\u3088\u3063\u3066\u62bd\u8c61\u5316\u3057\u3001\u300c\u306a\u305c\u4e21\u8005\u306f\u4f3c\u305f Linux \u30c7\u30a3\u30b9\u30c8\u30ea\u30d3\u30e5\u30fc\u30b7\u30e7\u30f3\u3067\u3042\u308a\u306a\u304c\u3089\u904b\u7528\u611f\u304c\u9055\u3046\u306e\u304b\u300d\u3092\u4e00\u6bb5\u6df1\u304f\u8aac\u660e\u3059\u308b\u3053\u3068\u3067\u3042\u308b\u3002<\/p>\n<hr>\n<h2>1. Ubuntu 26.04 LTS \u306e\u5168\u4f53\u50cf<\/h2>\n<p>Ubuntu 26.04 LTS \u3092\u4e00\u8a00\u3067\u8981\u7d04\u3059\u308b\u306a\u3089\u3001\u300c\u898b\u3048\u308b\u90e8\u5206\u3088\u308a\u3082\u3001\u898b\u3048\u306a\u3044\u57fa\u76e4\u306e\u66f4\u65b0\u304c\u5927\u304d\u3044 LTS\u300d\u3067\u3042\u308b\u3002\u516c\u5f0f\u306e\u6982\u8981\u3067\u306f\u300124.04 LTS \u304b\u3089 26.04 LTS \u307e\u3067\u306e\u3042\u3044\u3060\u306b\u3001\u30c7\u30b9\u30af\u30c8\u30c3\u30d7\u3067\u306f GNOME 50 \u3078\u306e\u66f4\u65b0\u3084\u5404\u7a2e\u65e2\u5b9a\u30a2\u30d7\u30ea\u306e\u7f6e\u304d\u63db\u3048\u304c\u5165\u308a\u3001\u5171\u901a\u57fa\u76e4\u3067\u306f Linux kernel 7.0\u3001systemd 259\u3001Netplan 1.2\u3001APT 3\u3001Dracut \u3078\u306e\u79fb\u884c\u304c\u5f37\u8abf\u3055\u308c\u3066\u3044\u308b<a class=\"ref\" href=\"#ref2\">[2]<\/a>\u3002<\/p>\n<p>\u3053\u3053\u3067\u91cd\u8981\u306a\u306e\u306f\u3001\u3053\u308c\u3089\u304c\u5358\u72ec\u306e\u6539\u5584\u3067\u306f\u306a\u3044\u3053\u3068\u3067\u3042\u308b\u3002\u305f\u3068\u3048\u3070\u30ab\u30fc\u30cd\u30eb\u66f4\u65b0\u306f\u65b0\u3057\u3044\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u5bfe\u5fdc\u3060\u3051\u3067\u306f\u306a\u304f\u3001\u30af\u30e9\u30c3\u30b7\u30e5\u30c0\u30f3\u30d7\u65e2\u5b9a\u6709\u52b9\u5316\u3084 sched_ext \u306e\u3088\u3046\u306a\u65b0\u3057\u3044\u30b9\u30b1\u30b8\u30e5\u30fc\u30ea\u30f3\u30b0\u62e1\u5f35\u3092\u542b\u3093\u3067\u3044\u308b<a class=\"ref\" href=\"#ref4\">[4]<\/a>\u3002systemd 259 \u306f\u5358\u306a\u308b\u7248\u4e0a\u3052\u3067\u306f\u306a\u304f\u3001System V \u4e92\u63db\u306e\u7d42\u7aef\u4e88\u544a\u3068 cgroup v1 \u306e\u524a\u9664\u3092\u542b\u3080\u305f\u3081\u3001\u53e4\u3044\u904b\u7528\u524d\u63d0\u3092\u660e\u793a\u7684\u306b\u7d42\u308f\u3089\u305b\u308b\u5909\u66f4\u3067\u3082\u3042\u308b<a class=\"ref\" href=\"#ref5\">[5]<\/a>\u3002APT 3 \u306f\u4f9d\u5b58\u89e3\u6c7a\u5668\u3068\u6697\u53f7\u30e9\u30a4\u30d6\u30e9\u30ea\u306e\u6574\u7406\u3092\u9032\u3081\u3001Dracut \u3078\u306e\u79fb\u884c\u306f\u8d77\u52d5\u521d\u671f\u6bb5\u968e\u306e\u69cb\u6210\u305d\u306e\u3082\u306e\u306b\u624b\u3092\u5165\u308c\u3066\u3044\u308b<a class=\"ref\" href=\"#ref6\">[6]<\/a><a class=\"ref\" href=\"#ref7\">[7]<\/a>\u3002\u3064\u307e\u308a 26.04 \u306f\u3001\u30a2\u30d7\u30ea\u306e\u8ffd\u52a0\u3067\u306f\u306a\u304f\u3001OS \u306e\u81ea\u5df1\u5b9a\u7fa9\u3092\u518d\u7de8\u3057\u3066\u3044\u308b\u3002<\/p>\n<table>\n<thead>\n<tr>\n<th>\u5c64<\/th>\n<th>\u4e3b\u306a\u5909\u66f4<\/th>\n<th>\u610f\u5473<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u30ab\u30fc\u30cd\u30eb\u5c64<\/td>\n<td>Linux kernel 7.0\u3001\u30af\u30e9\u30c3\u30b7\u30e5\u30c0\u30f3\u30d7\u65e2\u5b9a\u6709\u52b9\u5316\u3001sched_ext<\/td>\n<td>\u65b0\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u5bfe\u5fdc\u3068\u4f4e\u5c64\u904b\u7528\u6a5f\u80fd\u306e\u66f4\u65b0\u304c\u540c\u6642\u306b\u9032\u3093\u3067\u3044\u308b\u3002<\/td>\n<\/tr>\n<tr>\n<td>\u521d\u671f\u8d77\u52d5\u5c64<\/td>\n<td>Dracut \u65e2\u5b9a\u5316<\/td>\n<td>initramfs \u306e\u751f\u6210\u3068\u521d\u671f\u8d77\u52d5\u306e\u8003\u3048\u65b9\u304c\u5909\u308f\u308b\u305f\u3081\u3001\u53e4\u3044\u524d\u63d0\u306e\u307e\u307e\u3067\u306f\u7406\u89e3\u3057\u306b\u304f\u304f\u306a\u308b\u3002<\/td>\n<\/tr>\n<tr>\n<td>\u30b5\u30fc\u30d3\u30b9\u7ba1\u7406\u5c64<\/td>\n<td>systemd 259\u3001cgroup v1 \u5ec3\u6b62\u3001System V \u4e92\u63db\u306e\u7d42\u7aef\u4e88\u544a<\/td>\n<td>\u9577\u5e74\u306e\u4e92\u63db\u6027\u3092\u6574\u7406\u3057\u3001\u3088\u308a\u65b0\u3057\u3044\u904b\u7528\u30e2\u30c7\u30eb\u3078\u5bc4\u305b\u3066\u3044\u308b\u3002<\/td>\n<\/tr>\n<tr>\n<td>\u30d1\u30c3\u30b1\u30fc\u30b8\u7ba1\u7406\u5c64<\/td>\n<td>APT 3\u3001apt-key \u524a\u9664<\/td>\n<td>\u4f9d\u5b58\u89e3\u6c7a\u3068\u7f72\u540d\u691c\u8a3c\u306e\u65b9\u5f0f\u304c\u6574\u7406\u3055\u308c\u3001\u7ba1\u7406\u30b9\u30af\u30ea\u30d7\u30c8\u5074\u306b\u3082\u5f71\u97ff\u304c\u51fa\u308b\u3002<\/td>\n<\/tr>\n<tr>\n<td>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5c64<\/td>\n<td>Netplan 1.2<\/td>\n<td>\u5f85\u6a5f\u6761\u4ef6\u3084 SR-IOV \u5468\u8fba\u306a\u3069\u3001\u5b9f\u904b\u7528\u3067\u52b9\u304f\u7d30\u90e8\u304c\u66f4\u65b0\u3055\u308c\u3066\u3044\u308b\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u3057\u305f\u304c\u3063\u3066\u3001Ubuntu 26.04 \u3092\u6b63\u3057\u304f\u7406\u89e3\u3059\u308b\u306b\u306f\u3001\u300c\u65b0\u3057\u3044\u30a2\u30d7\u30ea\u304c\u5165\u3063\u305f Ubuntu\u300d\u3067\u306f\u306a\u304f\u3001\u300c\u6642\u9593\u3092\u7d4c\u3066\u7a4d\u307f\u91cd\u306a\u3063\u305f\u5909\u66f4\u3092 LTS \u3068\u3057\u3066\u518d\u675f\u7e1b\u3057\u305f Ubuntu\u300d\u3068\u8aad\u3080\u5fc5\u8981\u304c\u3042\u308b\u3002\u3053\u308c\u304c\u5f8c\u3067\u8ff0\u3079\u308b Debian \u3068\u306e\u9055\u3044\u306e\u5165\u53e3\u3067\u3082\u3042\u308b\u3002<\/p>\n<hr>\n<h2>2. \u30c7\u30b9\u30af\u30c8\u30c3\u30d7\u7248\u306e\u65b0\u6a5f\u80fd<\/h2>\n<p>\u30c7\u30b9\u30af\u30c8\u30c3\u30d7\u7248\u3067\u307e\u305a\u76ee\u7acb\u3064\u306e\u306f <a href=\"https:\/\/release.gnome.org\/\/50\/\">GNOME 50<\/a> \u3078\u306e\u66f4\u65b0\u3067\u3042\u308b\u3002\u516c\u5f0f\u6982\u8981\u3067\u306f\u3001\u30a2\u30d7\u30ea\u306e\u81ea\u52d5\u8d77\u52d5\u8a2d\u5b9a\u3001\u5206\u6570\u30b9\u30b1\u30fc\u30ea\u30f3\u30b0\u306e\u307c\u3051\u4f4e\u6e1b\u3001\u7b49\u5e45\u30d5\u30a9\u30f3\u30c8\u30b5\u30a4\u30ba\u306e\u8abf\u6574\u3001Sysprof \u306e\u65e2\u5b9a\u642d\u8f09\u306a\u3069\u304c\u7d39\u4ecb\u3055\u308c\u3066\u3044\u308b<a class=\"ref\" href=\"#ref8\">[8]<\/a>\u3002\u3057\u304b\u3057\u3001\u3088\u308a\u91cd\u8981\u306a\u306e\u306f\u3001Ubuntu Desktop \u304c\u72ec\u81ea UI \u3092\u5f37\u304f\u62bc\u3057\u51fa\u3059\u3088\u308a\u3001\u4e0a\u6d41 GNOME \u3068\u6574\u5408\u3057\u3084\u3059\u3044\u65b9\u5411\u3078\u9032\u3093\u3067\u3044\u308b\u70b9\u3067\u3042\u308b\u3002\u3053\u308c\u306f\u5358\u306b\u300c\u898b\u305f\u76ee\u304c\u5909\u308f\u3063\u305f\u300d\u3068\u3044\u3046\u8a71\u3067\u306f\u306a\u304f\u3001\u5c06\u6765\u306e\u8ffd\u968f\u3068\u4fdd\u5b88\u306e\u30b3\u30b9\u30c8\u69cb\u9020\u307e\u3067\u542b\u3080\u5909\u5316\u3067\u3042\u308b\u3002<\/p>\n<h3>2.1 \u8868\u793a\u7cfb\u3068\u30bb\u30c3\u30b7\u30e7\u30f3\u306e\u5909\u5316<\/h3>\n<p>26.04 \u306e Ubuntu Desktop \u30bb\u30c3\u30b7\u30e7\u30f3\u306f <a href=\"https:\/\/blog.id774.net\/entry\/2026\/02\/27\/3832\/\">Wayland<\/a> \u30d0\u30c3\u30af\u30a8\u30f3\u30c9\u306e\u307f\u3067\u52d5\u4f5c\u3059\u308b\u3088\u3046\u306b\u306a\u3063\u305f\u3002\u7406\u7531\u306f\u5358\u7d14\u3067\u3001GNOME Shell \u304c\u3082\u306f\u3084 X.org \u30bb\u30c3\u30b7\u30e7\u30f3\u3068\u3057\u3066\u52d5\u3051\u306a\u304f\u306a\u3063\u305f\u305f\u3081\u3067\u3042\u308b\u3002\u3082\u3063\u3068\u3082\u3001\u65e2\u5b58\u306e X.org \u5411\u3051\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306f XWayland \u306b\u3088\u3063\u3066\u7d99\u7d9a\u5229\u7528\u3067\u304d\u308b\u305f\u3081\u3001\u5229\u7528\u8005\u4f53\u9a13\u304c\u76f4\u3061\u306b\u65ad\u7d76\u3059\u308b\u308f\u3051\u3067\u306f\u306a\u3044<a class=\"ref\" href=\"#ref9\">[9]<\/a>\u3002\u3053\u3053\u3067\u672c\u5f53\u306b\u5909\u308f\u308b\u306e\u306f\u3001\u4e92\u63db\u6027\u306e\u4f4d\u7f6e\u3067\u3042\u308b\u3002\u4ee5\u524d\u306f X11 \u304c\u672c\u4f53\u3067 Wayland \u304c\u62e1\u5f35\u3060\u3063\u305f\u304c\u3001\u4eca\u306f Wayland \u304c\u672c\u4f53\u3067 X11 \u306f\u4e92\u63db\u5c64\u306b\u306a\u3063\u305f\u3002<\/p>\n<p>\u3053\u306e\u8ee2\u63db\u306f\u3001\u30d7\u30ed\u306e\u904b\u7528\u8005\u306b\u3068\u3063\u3066\u3082\u7121\u8996\u3067\u304d\u306a\u3044\u3002\u306a\u305c\u306a\u3089\u3001\u753b\u9762\u5171\u6709\u3001\u30ea\u30e2\u30fc\u30c8\u64cd\u4f5c\u3001NVIDIA \u74b0\u5883\u3001\u5165\u529b\u6cd5\u3001\u30b9\u30af\u30ea\u30fc\u30f3\u30ad\u30e3\u30d7\u30c1\u30e3\u3001\u53e4\u3044 GUI \u30a2\u30d7\u30ea\u306e\u632f\u308b\u821e\u3044\u306a\u3069\u3001\u30c7\u30b9\u30af\u30c8\u30c3\u30d7\u904b\u7528\u3067\u767a\u751f\u3059\u308b\u5c0f\u3055\u306a\u554f\u984c\u306e\u591a\u304f\u304c\u3001\u8868\u793a\u30b5\u30fc\u30d0\u30fc\u306e\u4e3b\u5f93\u9006\u8ee2\u306b\u3088\u3063\u3066\u6027\u8cea\u3092\u5909\u3048\u308b\u304b\u3089\u3067\u3042\u308b\u3002\u3064\u307e\u308a\u3001Wayland \u5316\u3068\u306f\u5358\u306a\u308b\u65b0\u6280\u8853\u5c0e\u5165\u3067\u306f\u306a\u304f\u3001\u300c\u4f55\u3092\u6a19\u6e96\u3068\u3057\u3066\u3001\u4f55\u3092\u4e92\u63db\u3068\u3057\u3066\u6271\u3046\u304b\u300d\u3092\u5165\u308c\u66ff\u3048\u308b\u51fa\u6765\u4e8b\u3067\u3042\u308b\u3002<\/p>\n<h3>2.2 \u65e2\u5b9a\u30a2\u30d7\u30ea\u7fa4\u306e\u66f4\u65b0<\/h3>\n<p>26.04 \u306e\u30c7\u30b9\u30af\u30c8\u30c3\u30d7\u3067\u306f\u3001\u65e2\u5b9a\u30a2\u30d7\u30ea\u306e\u7f6e\u304d\u63db\u3048\u304c\u304b\u306a\u308a\u9032\u3093\u3067\u3044\u308b\u3002PDF \u95b2\u89a7\u306f Evince \u304b\u3089 Papers \u3078\u3001\u753b\u50cf\u30d3\u30e5\u30fc\u30a2\u306f Eye of GNOME \u304b\u3089 Loupe \u3078\u3001\u7aef\u672b\u306f GNOME Terminal \u304b\u3089 Ptyxis \u3078\u79fb\u3063\u3066\u3044\u308b<a class=\"ref\" href=\"#ref10\">[10]<\/a><a class=\"ref\" href=\"#ref11\">[11]<\/a><a class=\"ref\" href=\"#ref12\">[12]<\/a>\u3002\u3053\u306e\u6d41\u308c\u306b\u306f\u4e00\u8cab\u3057\u305f\u610f\u5473\u304c\u3042\u308b\u3002GTK4 \u3084 Rust \u306a\u3069\u3001\u6bd4\u8f03\u7684\u65b0\u3057\u3044\u6280\u8853\u57fa\u76e4\u3092\u63a1\u7528\u3057\u3001\u4e0a\u6d41 GNOME \u304c\u4eca\u5f8c\u7dad\u6301\u3057\u3084\u3059\u3044\u30a2\u30d7\u30ea\u7fa4\u3078\u6a19\u6e96\u3092\u5bc4\u305b\u3066\u3044\u308b\u306e\u3067\u3042\u308b\u3002<\/p>\n<p>\u3053\u3053\u3067\u8aad\u307f\u843d\u3068\u3057\u3084\u3059\u3044\u306e\u306f\u3001\u300c\u53e4\u3044\u30a2\u30d7\u30ea\u304c\u60aa\u3044\u304b\u3089\u6368\u3066\u305f\u300d\u3068\u3044\u3046\u5358\u7d14\u306a\u8a71\u3067\u306f\u306a\u3044\u70b9\u3067\u3042\u308b\u3002\u30c7\u30b9\u30af\u30c8\u30c3\u30d7\u74b0\u5883\u306f\u3001UI\u3001\u63cf\u753b\u3001\u30a2\u30af\u30bb\u30b7\u30d3\u30ea\u30c6\u30a3\u3001\u30b5\u30f3\u30c9\u30dc\u30c3\u30af\u30b9\u3001\u6a29\u9650\u7ba1\u7406\u3001\u914d\u5e03\u5f62\u614b\u304c\u4e92\u3044\u306b\u7d50\u3073\u3064\u3044\u3066\u3044\u308b\u3002\u305d\u306e\u305f\u3081\u3001\u65e2\u5b9a\u30a2\u30d7\u30ea\u306e\u5237\u65b0\u306f\u898b\u305f\u76ee\u3060\u3051\u306e\u5237\u65b0\u3067\u306f\u306a\u304f\u3001\u30c7\u30b9\u30af\u30c8\u30c3\u30d7\u5168\u4f53\u3092\u3069\u306e\u6280\u8853\u30b9\u30bf\u30c3\u30af\u3067\u4e00\u8cab\u3055\u305b\u308b\u304b\u3068\u3044\u3046\u8a2d\u8a08\u5224\u65ad\u3067\u3042\u308b\u3002<\/p>\n<h3>2.3 \u7ba1\u7406 UI \u3068\u6a29\u9650\u30e2\u30c7\u30eb<\/h3>\n<p>App Center \u306f\u3001\u9032\u884c\u4e2d\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u306e\u53ef\u8996\u5316\u3001\u81ea\u5df1\u66f4\u65b0\u306e\u6539\u5584\u3001\u5b9f\u884c\u4e2d Snap \u306b\u95a2\u3059\u308b\u8868\u793a\u3001\u7ba1\u7406\u753b\u9762\u304b\u3089\u306e Snap \u76f4\u63a5\u524a\u9664\u3001\u30bf\u30c3\u30c1\u30b9\u30af\u30ea\u30fc\u30f3\u5411\u3051\u30b9\u30af\u30ed\u30fc\u30eb\u3001\u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3\u30fc Deb \u306e\u5c0e\u5165\u306a\u3069\u3092\u53d6\u308a\u8fbc\u3093\u3067\u3044\u308b<a class=\"ref\" href=\"#ref13\">[13]<\/a>\u3002\u307e\u305f\u3001\u65b0\u3057\u3044 Security Center \u3068 Home directory permissions \u306e\u305f\u3081\u306e experimental \u306a permissions prompting \u6a5f\u80fd\u3082\u5c0e\u5165\u3055\u308c\u3066\u3044\u308b<a class=\"ref\" href=\"#ref14\">[14]<\/a>\u3002\u3053\u308c\u306f\u30c7\u30b9\u30af\u30c8\u30c3\u30d7 Linux \u304c\u3001\u5f93\u6765\u306e\u300c\u5229\u7528\u8005\u306f\u4f55\u3067\u3082\u89e6\u308c\u308b\u300d\u524d\u63d0\u304b\u3089\u3001\u300c\u5229\u7528\u8005\u306b\u6a29\u9650\u5883\u754c\u3092\u898b\u305b\u306a\u304c\u3089\u6271\u308f\u305b\u308b\u300d\u65b9\u5411\u3078\u5c11\u3057\u305a\u3064\u79fb\u52d5\u3057\u3066\u3044\u308b\u3053\u3068\u3092\u610f\u5473\u3059\u308b\u3002<\/p>\n<p>\u3053\u306e\u5909\u5316\u306f\u3001\u30e2\u30d0\u30a4\u30eb\u7684\u306a UX \u306e\u6a21\u5023\u3068\u3057\u3066\u3060\u3051\u8aad\u3080\u3079\u304d\u3067\u306f\u306a\u3044\u3002\u3080\u3057\u308d\u3001\u30c7\u30b9\u30af\u30c8\u30c3\u30d7\u74b0\u5883\u306b\u304a\u3044\u3066\u3082\u3001\u30ed\u30fc\u30ab\u30eb\u30c7\u30fc\u30bf\u3001\u30db\u30fc\u30e0\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u3001\u30a2\u30d7\u30ea\u6a29\u9650\u3001\u30d1\u30c3\u30b1\u30fc\u30b8\u914d\u5e03\u7d4c\u8def\u304c\u5206\u96e2\u3055\u308c\u59cb\u3081\u305f\u3068\u3044\u3046\u7406\u89e3\u306e\u65b9\u304c\u6b63\u78ba\u3067\u3042\u308b\u3002\u30d7\u30ed\u306e\u6280\u8853\u8005\u306b\u3068\u3063\u3066\u306f\u3001\u3053\u308c\u306f UX \u6539\u5584\u3068\u3044\u3046\u3088\u308a\u3001\u30ed\u30fc\u30ab\u30eb\u74b0\u5883\u306e\u4fe1\u983c\u5883\u754c\u3092 GUI \u4e0a\u3067\u8868\u73fe\u3059\u308b\u4ed5\u7d44\u307f\u3068\u3057\u3066\u8aad\u3080\u3079\u304d\u3067\u3042\u308b\u3002<\/p>\n<h3>2.4 ARM64 \u3068\u30c7\u30e5\u30a2\u30eb\u30d6\u30fc\u30c8<\/h3>\n<p>26.04 \u3067\u306f generic ARM64 Desktop ISO \u304c\u516c\u5f0f\u306b\u7528\u610f\u3055\u308c\u3001VM\u3001ACPI + EFI \u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u3001Snapdragon \u7cfb Windows on Arm \u30c7\u30d0\u30a4\u30b9\u3092\u8996\u91ce\u306b\u5165\u308c\u305f\u6574\u5099\u304c\u9032\u3093\u3067\u3044\u308b<a class=\"ref\" href=\"#ref15\">[15]<\/a>\u3002\u52a0\u3048\u3066\u3001BitLocker \u4fdd\u8b77\u3055\u308c\u305f Windows \u74b0\u5883\u3067\u306e\u5171\u5b58\u3092\u610f\u8b58\u3057\u305f dual boot \u6539\u5584\u3082\u5165\u3063\u3066\u3044\u308b<a class=\"ref\" href=\"#ref16\">[16]<\/a>\u3002\u3053\u306e\u4e8c\u3064\u306f\u3069\u3061\u3089\u3082\u3001\u300c\u30c7\u30b9\u30af\u30c8\u30c3\u30d7 Linux \u306f\u65e2\u306b PC \u3060\u3051\u306e\u8a71\u3067\u306f\u306a\u304f\u3001\u3088\u308a\u8907\u96d1\u306a\u5468\u8fba\u6761\u4ef6\u306e\u4e2d\u3067\u5c0e\u5165\u3055\u308c\u308b\u300d\u3068\u3044\u3046\u73fe\u5b9f\u3092\u53cd\u6620\u3057\u3066\u3044\u308b\u3002<\/p>\n<table>\n<thead>\n<tr>\n<th>\u9805\u76ee<\/th>\n<th>\u5909\u66f4\u5185\u5bb9<\/th>\n<th>\u5b9f\u52d9\u4e0a\u306e\u610f\u5473<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>GNOME 50<\/td>\n<td>\u5206\u6570\u30b9\u30b1\u30fc\u30ea\u30f3\u30b0\u6539\u5584\u3001Sysprof \u65e2\u5b9a\u642d\u8f09\u306a\u3069<\/td>\n<td>\u898b\u305f\u76ee\u306e\u66f4\u65b0\u3060\u3051\u3067\u306a\u304f\u3001\u4e0a\u6d41 GNOME \u3068\u306e\u540c\u671f\u304c\u9032\u3080\u3002<\/td>\n<\/tr>\n<tr>\n<td>Wayland \u5c02\u7528\u5316<\/td>\n<td>Ubuntu Desktop \u30bb\u30c3\u30b7\u30e7\u30f3\u306f Wayland \u306e\u307f<\/td>\n<td>X11 \u306f\u4e92\u63db\u5c64\u3078\u5f8c\u9000\u3057\u3001\u8868\u793a\u5468\u308a\u306e\u524d\u63d0\u304c\u5165\u308c\u66ff\u308f\u308b\u3002<\/td>\n<\/tr>\n<tr>\n<td>\u65e2\u5b9a\u30a2\u30d7\u30ea\u5237\u65b0<\/td>\n<td>Papers\u3001Loupe\u3001Ptyxis \u3078\u306e\u79fb\u884c<\/td>\n<td>GTK4 \/ Rust \u3092\u542b\u3080\u65b0\u3057\u3044\u6280\u8853\u57fa\u76e4\u3078\u5bc4\u305b\u3066\u3044\u308b\u3002<\/td>\n<\/tr>\n<tr>\n<td>\u7ba1\u7406 UI<\/td>\n<td>App Center\u3001Security Center\u3001\u6a29\u9650\u30d7\u30ed\u30f3\u30d7\u30c8<\/td>\n<td>\u30a2\u30d7\u30ea\u914d\u5e03\u3068\u6a29\u9650\u5883\u754c\u3092 GUI \u3067\u898b\u305b\u308b\u65b9\u5411\u3078\u9032\u3093\u3067\u3044\u308b\u3002<\/td>\n<\/tr>\n<tr>\n<td>\u5bfe\u5fdc\u7bc4\u56f2<\/td>\n<td>ARM64 Desktop ISO\u3001BitLocker \u5171\u5b58\u6539\u5584<\/td>\n<td>\u5c0e\u5165\u5bfe\u8c61\u304c\u5f93\u6765\u3088\u308a\u591a\u69d8\u5316\u3057\u3066\u3044\u308b\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<hr>\n<h2>3. \u30b5\u30fc\u30d0\u30fc\u7248\u306e\u65b0\u6a5f\u80fd<\/h2>\n<p><a href=\"https:\/\/blog.id774.net\/entry\/2026\/02\/13\/3598\/\">\u30b5\u30fc\u30d0\u30fc<\/a>\u7248\u306e\u5909\u66f4\u306f\u3001\u30c7\u30b9\u30af\u30c8\u30c3\u30d7\u307b\u3069\u6d3e\u624b\u306b\u306f\u898b\u3048\u306a\u3044\u3002\u3057\u304b\u3057\u5b9f\u969b\u306b\u306f\u3001\u904b\u7528\u8005\u306b\u3068\u3063\u3066\u91cd\u8981\u306a\u5909\u5316\u304c\u3088\u308a\u6fc3\u304f\u96c6\u307e\u3063\u3066\u3044\u308b\u3002\u7406\u7531\u306f\u660e\u5feb\u3067\u3001\u30b5\u30fc\u30d0\u30fc\u3067\u306f UI \u3088\u308a\u3082\u3001\u6642\u523b\u540c\u671f\u3001\u6697\u53f7\u3001\u8d77\u52d5\u57fa\u76e4\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5f85\u6a5f\u6761\u4ef6\u3001\u30d1\u30c3\u30b1\u30fc\u30b8\u7ba1\u7406\u3001\u30b5\u30fc\u30d3\u30b9\u7ba1\u7406\u306e\u3088\u3046\u306a\u300c\u666e\u6bb5\u306f\u898b\u3048\u306a\u3044\u304c\u58ca\u308c\u308b\u3068\u56f0\u308b\u5c64\u300d\u304c\u652f\u914d\u7684\u3060\u304b\u3089\u3067\u3042\u308b\u3002<\/p>\n<h3>3.1 OpenSSH \u306e\u66f4\u65b0<\/h3>\n<p>24.04 LTS \u306e OpenSSH 1:9.6p1 \u304b\u3089\u300126.04 LTS \u3067\u306f 1:10.2p1 \u3078\u66f4\u65b0\u3055\u308c\u308b\u3002\u516c\u5f0f\u30ce\u30fc\u30c8\u3067\u306f\u3001SHA1 SSHFP DNS \u30ec\u30b3\u30fc\u30c9\u3078\u306e\u8b66\u544a\u3001\u975e Post-Quantum \u9375\u4ea4\u63db\u3078\u306e\u8b66\u544a\u3001DSA \u7f72\u540d\u65b9\u5f0f\u30b5\u30dd\u30fc\u30c8\u524a\u9664\u3001\u65b0\u3057\u3044 PerSourcePenalties\u3001mlkem768x25519-sha256 \u3068\u3044\u3046 hybrid post-quantum \u9375\u4ea4\u63db\u306e\u65e2\u5b9a\u63d0\u4f9b\u306a\u3069\u304c\u6319\u3052\u3089\u308c\u3066\u3044\u308b<a class=\"ref\" href=\"#ref17\">[17]<\/a>\u3002\u3053\u308c\u306f\u300cSSH \u304c\u65b0\u3057\u304f\u306a\u3063\u305f\u300d\u3067\u306f\u7d42\u308f\u3089\u306a\u3044\u3002\u30b5\u30fc\u30d0\u30fc\u3078\u306e\u5165\u53e3\u3067\u3042\u308b SSH \u305d\u306e\u3082\u306e\u304c\u3001\u5f31\u3044\u65b9\u5f0f\u3092\u62b1\u3048\u305f\u307e\u307e\u306e\u4e92\u63db\u6027\u3092\u5f90\u3005\u306b\u6368\u3066\u3001\u3088\u308a\u65b0\u3057\u3044\u6697\u53f7\u524d\u63d0\u3078\u5bc4\u3063\u3066\u3044\u308b\u3053\u3068\u3092\u610f\u5473\u3059\u308b\u3002<\/p>\n<p>\u3057\u305f\u304c\u3063\u3066\u3001\u53e4\u3044\u9375\u3001\u53e4\u3044\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3001\u53e4\u3044\u81ea\u52d5\u5316\u30b9\u30af\u30ea\u30d7\u30c8\u3001\u65e2\u5b58\u306e DNS SSHFP \u904b\u7528\u306a\u3069\u3092\u6301\u3064\u73fe\u5834\u3067\u306f\u300126.04 \u3078\u306e\u79fb\u884c\u306f\u5358\u306a\u308b OS \u30a2\u30c3\u30d7\u30b0\u30ec\u30fc\u30c9\u3067\u306f\u306a\u304f\u3001\u5165\u53e3\u6697\u53f7\u306e\u76e3\u67fb\u306b\u3082\u306a\u308b\u3002\u3053\u308c\u3092\u6020\u308b\u3068\u3001\u66f4\u65b0\u5f8c\u306b\u63a5\u7d9a\u3084\u8a8d\u8a3c\u306e\u6319\u52d5\u304c\u5909\u308f\u3063\u305f\u3088\u3046\u306b\u898b\u3048\u308b\u304c\u3001\u5b9f\u969b\u306b\u306f\u5f93\u6765\u306e\u6697\u53f7\u524d\u63d0\u304c\u6642\u4ee3\u9045\u308c\u306b\u306a\u3063\u305f\u3060\u3051\u3001\u3068\u3044\u3046\u4e8b\u614b\u304c\u8d77\u3053\u308b\u3002<\/p>\n<h3>3.2 \u6642\u523b\u540c\u671f\u306e\u65e2\u5b9a\u5909\u66f4<\/h3>\n<p>\u65b0\u898f\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3067\u306f Chrony \u304c\u65e2\u5b9a\u306e time daemon \u3068\u306a\u308a\u3001systemd-timesyncd \u3092\u7f6e\u304d\u63db\u3048\u308b<a class=\"ref\" href=\"#ref18\">[18]<\/a>\u3002\u3055\u3089\u306b NTS \u3092\u65e2\u5b9a\u3067\u4f7f\u3044\u3001Ubuntu \u306e time server \u7528 snippet \u3082\u8ffd\u52a0\u3055\u308c\u308b\u3002\u8868\u9762\u7684\u306b\u306f daemon \u306e\u5165\u308c\u66ff\u3048\u306b\u898b\u3048\u308b\u304c\u3001\u30b5\u30fc\u30d0\u30fc\u3067\u306f\u6642\u523b\u306f\u8a8d\u8a3c\u3001\u30ed\u30b0\u76f8\u95a2\u3001\u8a3c\u660e\u66f8\u691c\u8a3c\u3001\u5206\u6563\u30b7\u30b9\u30c6\u30e0\u306e\u6574\u5408\u6027\u3001\u969c\u5bb3\u89e3\u6790\u306b\u76f4\u7d50\u3059\u308b\u305f\u3081\u3001\u3053\u308c\u306f\u610f\u5916\u306b\u5927\u304d\u3044\u5909\u66f4\u3067\u3042\u308b\u3002<\/p>\n<p>\u7279\u306b\u91cd\u8981\u306a\u306e\u306f\u3001\u30a2\u30c3\u30d7\u30b0\u30ec\u30fc\u30c9\u5f8c\u306b\u65e2\u5b58\u8a2d\u5b9a\u3068\u65b0\u3057\u3044 sources.d \u306e\u5b9a\u7fa9\u304c\u4e8c\u91cd\u5316\u3057\u5f97\u308b\u70b9\u3067\u3042\u308b\u3002\u516c\u5f0f\u30ce\u30fc\u30c8\u3082\u3001\/etc\/chrony\/chrony.conf \u3092\u624b\u3067\u7de8\u96c6\u3057\u3066\u3044\u305f\u5834\u5408\u306f\u91cd\u8907\u306b\u6ce8\u610f\u3059\u308b\u3088\u3046\u660e\u8a18\u3057\u3066\u3044\u308b<a class=\"ref\" href=\"#ref18\">[18]<\/a>\u3002\u3053\u308c\u306f\u5358\u306a\u308b\u8a2d\u5b9a\u306e\u5c0f\u7af6\u308a\u5408\u3044\u3067\u306f\u306a\u304f\u3001\u300c\u6642\u523b\u540c\u671f\u3092\u65e2\u5b9a\u306b\u4efb\u305b\u3066\u3044\u305f\u7cfb\u300d\u3068\u300c<a href=\"https:\/\/blog.id774.net\/entry\/2025\/09\/12\/3001\/\">\u624b\u3067\u904b\u7528<\/a>\u3057\u3066\u3044\u305f\u7cfb\u300d\u3067\u79fb\u884c\u96e3\u5ea6\u304c\u5909\u308f\u308b\u3053\u3068\u3092\u610f\u5473\u3059\u308b\u3002<\/p>\n<h3>3.3 \u8d77\u52d5\u30fb\u30b5\u30fc\u30d3\u30b9\u30fb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u7ba1\u7406\u306e\u57fa\u76e4\u66f4\u65b0<\/h3>\n<p>Ubuntu \u306f Dracut \u3092\u65e2\u5b9a\u306e initial ramdisk infrastructure \u3068\u3057\u3001\u5f93\u6765\u306e initramfs-tools \u3092\u7f6e\u304d\u63db\u3048\u305f\u3002\u305f\u3060\u3057\u5143\u306e initramfs-tools \u3082\u5f15\u304d\u7d9a\u304d\u30b5\u30dd\u30fc\u30c8\u3055\u308c\u3001\u5fc5\u8981\u306a\u3089\u5207\u308a\u66ff\u3048\u3082\u3067\u304d\u308b<a class=\"ref\" href=\"#ref7\">[7]<\/a>\u3002\u3053\u306e\u300c\u65b0\u3057\u3044\u65e2\u5b9a\u3060\u304c\u65e7\u6765\u3082\u6b8b\u3059\u300d\u3068\u3044\u3046\u5f62\u306f\u3001Ubuntu \u3089\u3057\u3044\u79fb\u884c\u306e\u3055\u305b\u65b9\u3067\u3042\u308b\u3002\u5b8c\u5168\u306b\u5207\u308a\u6368\u3066\u308b\u306e\u3067\u306f\u306a\u304f\u3001\u672a\u6765\u306e\u65e2\u5b9a\u3092\u5148\u306b\u5b9a\u3081\u3001\u53e4\u3044\u5b9f\u88c5\u3092\u66ab\u5b9a\u7684\u306b\u6b8b\u3057\u3066\u79fb\u884c\u306e\u7a93\u3092\u4f5c\u308b\u3002<\/p>\n<p>systemd 259 \u3067\u306f\u3001Ubuntu 26.04 LTS \u304c System V service scripts compatibility \u3092\u30b5\u30dd\u30fc\u30c8\u3059\u308b\u6700\u5f8c\u306e\u30ea\u30ea\u30fc\u30b9\u306b\u306a\u308b\u3068\u660e\u8a18\u3055\u308c\u3001cgroup v1 \u306e\u30b5\u30dd\u30fc\u30c8\u306f\u65e2\u306b\u524a\u9664\u3055\u308c\u3066\u3044\u308b<a class=\"ref\" href=\"#ref5\">[5]<\/a>\u3002\u3053\u308c\u306f\u3001\u53e4\u3044 init \u30b9\u30af\u30ea\u30d7\u30c8\u3084\u53e4\u3044 cgroup \u524d\u63d0\u306e\u307e\u307e\u3067\u306f\u3001\u5c06\u6765\u306e Ubuntu \u4e0a\u3067\u5c45\u5834\u6240\u304c\u306a\u304f\u306a\u308b\u3053\u3068\u3092\u610f\u5473\u3059\u308b\u3002\u30b5\u30fc\u30d0\u30fc\u904b\u7528\u306e\u672c\u8cea\u306f\u300c\u4eca\u52d5\u304f\u3053\u3068\u300d\u3088\u308a\u300c\u6b21\u306e\u66f4\u65b0\u3067\u3082\u7834\u7dbb\u3057\u306a\u3044\u3053\u3068\u300d\u306b\u3042\u308b\u305f\u3081\u3001\u3053\u306e\u5909\u66f4\u306f\u898b\u305f\u76ee\u4ee5\u4e0a\u306b\u91cd\u8981\u3067\u3042\u308b\u3002<\/p>\n<p>Netplan 1.2 \u306f\u3001systemd-networkd-wait-online \u306e\u5f85\u6a5f\u6761\u4ef6\u898b\u76f4\u3057\u3001SR-IOV \u5411\u3051 embedded-switch-mode \u6539\u5584\u3001Azure Linux \u3084 ProtonVPN \u95a2\u9023\u306e\u4fee\u6b63\u306a\u3069\u3092\u542b\u3080<a class=\"ref\" href=\"#ref19\">[19]<\/a>\u3002\u3053\u306e\u7a2e\u306e\u5909\u66f4\u306f\u6d3e\u624b\u3067\u306f\u306a\u3044\u304c\u3001\u30af\u30e9\u30a6\u30c9\u3001\u4eee\u60f3\u5316\u3001\u8907\u96d1\u306a NIC \u69cb\u6210\u3001\u8d77\u52d5\u76f4\u5f8c\u306b\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u8981\u6c42\u3059\u308b\u30b5\u30fc\u30d3\u30b9\u306a\u3069\u3067\u52b9\u3044\u3066\u304f\u308b\u3002\u3064\u307e\u308a\u300c\u8d77\u52d5\u3059\u308b\u304c\u3001\u305f\u307e\u306b\u9806\u5e8f\u304c\u305a\u308c\u308b\u300d\u3068\u3044\u3046\u985e\u306e\u554f\u984c\u306b\u5bfe\u3057\u3066\u3001\u5f85\u6a5f\u8ad6\u7406\u3092\u73fe\u5b9f\u306b\u5408\u308f\u305b\u76f4\u3057\u3066\u3044\u308b\u306e\u3067\u3042\u308b\u3002<\/p>\n<h3>3.4 \u30d1\u30c3\u30b1\u30fc\u30b8\u7ba1\u7406\u306e\u5909\u5316<\/h3>\n<p>APT 3 \u3067\u306f\u3001\u65b0\u3057\u3044 dependency solver \u304c\u53e4\u5178\u7684 solver \u3067\u89e3\u3051\u306a\u3044\u5834\u5408\u306b\u81ea\u52d5\u7684\u306b\u4f7f\u308f\u308c\u308b\u3088\u3046\u306b\u306a\u308a\u3001TLS \u63a5\u7d9a\u3068\u30cf\u30c3\u30b7\u30e5\u51e6\u7406\u306b\u306f OpenSSL \u304c\u4f7f\u308f\u308c\u308b\u3088\u3046\u306b\u306a\u3063\u305f<a class=\"ref\" href=\"#ref6\">[6]<\/a>\u3002\u3055\u3089\u306b apt-key \u30b3\u30de\u30f3\u30c9\u306f\u524a\u9664\u3055\u308c\u3001\u7f72\u540d\u691c\u8a3c\u306f gpgv \u3092\u76f4\u63a5\u4f7f\u3046\u5f62\u306b\u6574\u7406\u3055\u308c\u305f<a class=\"ref\" href=\"#ref20\">[20]<\/a>\u3002\u3053\u306e\u305f\u3081\u3001\u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3\u30fc\u30ea\u30dd\u30b8\u30c8\u30ea\u3092\u96d1\u306b\u8db3\u3057\u3066\u3044\u305f\u30b9\u30af\u30ea\u30d7\u30c8\u3084\u3001apt-key \u4f9d\u5b58\u306e\u624b\u9806\u66f8\u306f\u305d\u306e\u307e\u307e\u3067\u306f\u53e4\u304f\u306a\u308b\u3002<\/p>\n<p>\u30b5\u30fc\u30d0\u30fc\u3067\u306f\u30d1\u30c3\u30b1\u30fc\u30b8\u7ba1\u7406\u306f\u300c\u30bd\u30d5\u30c8\u3092\u5165\u308c\u308b\u6a5f\u80fd\u300d\u3067\u306f\u306a\u304f\u3001\u300c\u4f9b\u7d66\u7d4c\u8def\u3092\u3069\u306e\u3088\u3046\u306b\u4fe1\u983c\u3059\u308b\u304b\u300d\u3068\u3044\u3046\u554f\u984c\u3067\u3042\u308b\u3002apt-key \u524a\u9664\u306f\u4e00\u898b\u3059\u308b\u3068\u5c0f\u5909\u66f4\u3060\u304c\u3001\u5b9f\u969b\u306b\u306f\u300c\u9375\u306e\u914d\u5e03\u3068\u683c\u7d0d\u3092\u66d6\u6627\u306b\u3057\u306a\u3044\u300d\u65b9\u5411\u3078\u306e\u518d\u6574\u7406\u3067\u3042\u308b\u3002\u30d7\u30ed\u306e\u904b\u7528\u3067\u306f\u3001\u3053\u306e\u7a2e\u306e\u5909\u5316\u3053\u305d\u9577\u671f\u7684\u306a\u5dee\u3092\u751f\u3080\u3002<\/p>\n<table>\n<thead>\n<tr>\n<th>\u9805\u76ee<\/th>\n<th>\u5909\u66f4\u5185\u5bb9<\/th>\n<th>\u30b5\u30fc\u30d0\u30fc\u904b\u7528\u3078\u306e\u5f71\u97ff<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>OpenSSH<\/td>\n<td>DSA \u524a\u9664\u3001PQC \u7cfb\u62e1\u5f35\u3001\u8b66\u544a\u8ffd\u52a0<\/td>\n<td>\u53e4\u3044\u63a5\u7d9a\u524d\u63d0\u3092\u898b\u76f4\u3059\u5fc5\u8981\u304c\u3042\u308b\u3002<\/td>\n<\/tr>\n<tr>\n<td>Chrony<\/td>\n<td>systemd-timesyncd \u304b\u3089\u65e2\u5b9a\u5909\u66f4<\/td>\n<td>\u6642\u523b\u540c\u671f\u306e\u69cb\u6210\u3068\u65e2\u5b58\u8a2d\u5b9a\u306e\u91cd\u8907\u3092\u78ba\u8a8d\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u3002<\/td>\n<\/tr>\n<tr>\n<td>Dracut<\/td>\n<td>\u521d\u671f\u8d77\u52d5\u57fa\u76e4\u306e\u65e2\u5b9a\u5909\u66f4<\/td>\n<td>\u8d77\u52d5\u969c\u5bb3\u6642\u306e\u8abf\u67fb\u89b3\u70b9\u3084\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u524d\u63d0\u304c\u5909\u308f\u308b\u3002<\/td>\n<\/tr>\n<tr>\n<td>systemd 259<\/td>\n<td>cgroup v1 \u5ec3\u6b62\u3001System V \u4e92\u63db\u306e\u7d42\u7aef\u4e88\u544a<\/td>\n<td>\u53e4\u3044\u904b\u7528\u8cc7\u7523\u304c\u5c06\u6765\u7d99\u7d9a\u3067\u304d\u306a\u3044\u53ef\u80fd\u6027\u304c\u9ad8\u307e\u308b\u3002<\/td>\n<\/tr>\n<tr>\n<td>APT 3<\/td>\n<td>solver \u66f4\u65b0\u3001OpenSSL \u5316\u3001apt-key \u524a\u9664<\/td>\n<td>\u5916\u90e8\u30ea\u30dd\u30b8\u30c8\u30ea\u3084\u81ea\u52d5\u5316\u30b9\u30af\u30ea\u30d7\u30c8\u306e\u66f4\u65b0\u304c\u5fc5\u8981\u306b\u306a\u308b\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<hr>\n<h2>4. \u79fb\u884c\u6642\u306e\u6ce8\u610f\u70b9<\/h2>\n<p>Ubuntu 26.04 \u3078\u306e\u79fb\u884c\u3067\u5b9f\u52d9\u4e0a\u6700\u3082\u554f\u984c\u306b\u306a\u308a\u3084\u3059\u3044\u306e\u306f\u3001\u300cLTS \u3060\u304b\u3089 24.04 \u304b\u3089\u305d\u306e\u307e\u307e\u5b89\u5168\u306b\u4e0a\u304c\u308b\u306f\u305a\u3060\u300d\u3068\u7121\u610f\u8b58\u306b\u524d\u63d0\u3057\u3066\u3057\u307e\u3046\u3053\u3068\u3067\u3042\u308b\u3002LTS \u3067\u3042\u308b\u3053\u3068\u306f\u9577\u671f\u4fdd\u5b88\u306e\u7d04\u675f\u3067\u3042\u3063\u3066\u3001\u524d\u63d0\u6761\u4ef6\u304c\u4e00\u5207\u5909\u308f\u3089\u306a\u3044\u3068\u3044\u3046\u610f\u5473\u3067\u306f\u306a\u3044\u3002\u5b9f\u969b\u3001\u516c\u5f0f\u30ea\u30ea\u30fc\u30b9\u30ce\u30fc\u30c8\u306b\u306f 24.04 LTS \u304b\u3089\u306e\u4e3b\u8981\u5909\u66f4\u6982\u8981\u3068\u300125.10 \u304b\u3089\u306e\u8a73\u7d30\u5909\u66f4\u304c\u5206\u304b\u308c\u3066\u304a\u308a\u3001\u3055\u3089\u306b\u53e4\u3044\u30ea\u30ea\u30fc\u30b9\u304b\u3089\u306f\u4e00\u6bb5\u305a\u3064\u4e0a\u3052\u308b\u5fc5\u8981\u304c\u3042\u308b\u3068\u660e\u8a18\u3055\u308c\u3066\u3044\u308b<a class=\"ref\" href=\"#ref1\">[1]<\/a>\u3002<\/p>\n<h3>4.1 \u30a2\u30c3\u30d7\u30b0\u30ec\u30fc\u30c9\u7d4c\u8def\u306e\u5236\u7d04<\/h3>\n<p>26.04 LTS \u3078\u76f4\u63a5\u4e0a\u3052\u3089\u308c\u308b\u306e\u306f\u3001\u57fa\u672c\u7684\u306b 24.04 LTS \u307e\u305f\u306f 25.10 \u304b\u3089\u3067\u3042\u308b\u300222.04 LTS \u3084 25.04 \u306a\u3069\u304b\u3089\u306f\u3001\u307e\u305a 24.04 LTS \u307e\u305f\u306f 25.10 \u3092\u7d4c\u7531\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b<a class=\"ref\" href=\"#ref1\">[1]<\/a>\u3002\u3053\u308c\u306f\u9762\u5012\u306b\u898b\u3048\u308b\u304c\u3001\u5b9f\u969b\u306b\u306f\u300c\u5909\u5316\u304c\u5927\u304d\u3044\u304b\u3089\u6bb5\u968e\u3092\u98db\u3070\u3059\u306a\u300d\u3068\u3044\u3046\u610f\u5473\u3067\u3042\u308b\u3002\u6bb5\u968e\u7684\u79fb\u884c\u306f\u624b\u6570\u3092\u5897\u3084\u3059\u304c\u3001\u3069\u3053\u3067\u524d\u63d0\u304c\u5909\u308f\u3063\u305f\u304b\u3092\u5207\u308a\u5206\u3051\u3084\u3059\u304f\u3059\u308b\u3002<\/p>\n<h3>4.2 \u30c7\u30b9\u30af\u30c8\u30c3\u30d7\u79fb\u884c\u306e\u6ce8\u610f<\/h3>\n<p>\u30c7\u30b9\u30af\u30c8\u30c3\u30d7\u3067\u306f Wayland \u524d\u63d0\u304c\u6700\u3082\u5927\u304d\u3044\u3002X11 \u30bb\u30c3\u30b7\u30e7\u30f3\u524d\u63d0\u3067\u30c1\u30e5\u30fc\u30cb\u30f3\u30b0\u3057\u3066\u3044\u305f\u74b0\u5883\u3001\u53e4\u3044\u753b\u9762\u5171\u6709\u30c4\u30fc\u30eb\u3001\u7279\u5b9a\u306e\u30ea\u30e2\u30fc\u30c8\u30c7\u30b9\u30af\u30c8\u30c3\u30d7\u69cb\u6210\u3001\u5165\u529b\u6cd5\u307e\u308f\u308a\u3001\u72ec\u81ea\u306e\u30b0\u30e9\u30d5\u30a3\u30c3\u30af\u30c4\u30fc\u30eb\u30c1\u30a7\u30fc\u30f3\u306a\u3069\u306f\u3001\u5358\u7d14\u79fb\u884c\u3067\u7d30\u90e8\u304c\u5909\u308f\u308a\u5f97\u308b<a class=\"ref\" href=\"#ref9\">[9]<\/a>\u3002\u307e\u305f\u3001Ubuntu Desktop 26.04 LTS \u306e\u5feb\u9069\u306a\u5229\u7528\u306b\u306f 2 GHz dual-core \u4ee5\u4e0a\u3001RAM 6 GB \u4ee5\u4e0a\u3001\u7a7a\u304d\u5bb9\u91cf 25 GB \u4ee5\u4e0a\u304c\u63a8\u5968\u3055\u308c\u3066\u3044\u308b\u305f\u3081\u3001\u65e7\u578b\u6a5f\u3084\u8efd\u91cf\u7528\u9014\u3067\u306f Ubuntu \u30d5\u30ec\u30fc\u30d0\u30fc\u306e\u65b9\u304c\u9069\u5207\u306a\u5834\u5408\u3082\u3042\u308b<a class=\"ref\" href=\"#ref21\">[21]<\/a>\u3002<\/p>\n<h3>4.3 \u30b5\u30fc\u30d0\u30fc\u79fb\u884c\u306e\u6ce8\u610f<\/h3>\n<p>\u30b5\u30fc\u30d0\u30fc\u3067\u306f\u3001System V \u30b9\u30af\u30ea\u30d7\u30c8\u4f9d\u5b58\u3001cgroup v1 \u4f9d\u5b58\u3001apt-key \u4f9d\u5b58\u3001timesyncd \u524d\u63d0\u3001initramfs-tools \u524d\u63d0\u3068\u3044\u3063\u305f\u300c\u6614\u304b\u3089\u4f7f\u3063\u3066\u3044\u308b\u306e\u3067\u610f\u8b58\u3057\u3066\u3044\u306a\u3044\u69cb\u6210\u300d\u304c\u5371\u967a\u70b9\u306b\u306a\u308b<a class=\"ref\" href=\"#ref5\">[5]<\/a><a class=\"ref\" href=\"#ref7\">[7]<\/a><a class=\"ref\" href=\"#ref20\">[20]<\/a>\u3002\u3053\u308c\u3089\u306f\u3069\u308c\u3082\u3001\u66f4\u65b0\u5f8c\u306b\u521d\u3081\u3066\u58ca\u308c\u308b\u3068\u3044\u3046\u3088\u308a\u3001\u66f4\u65b0\u524d\u304b\u3089\u5c06\u6765\u6027\u3092\u5931\u3063\u3066\u3044\u305f\u69cb\u6210\u3067\u3042\u308b\u300226.04 \u306f\u305d\u308c\u3092\u8868\u9762\u5316\u3055\u305b\u308b\u3002<\/p>\n<h3>4.4 \u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u3054\u3068\u306e\u6ce8\u610f<\/h3>\n<p>26.04 \u3067\u306f\u3001RISC-V \u306f RVA23S64 ISA profile \u5b9f\u88c5\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u306e\u307f\u3092\u5bfe\u8c61\u3068\u3057\u30012026 \u5e74 4 \u6708\u6642\u70b9\u3067\u5b9f\u6a5f\u30b5\u30dd\u30fc\u30c8\u306f\u307e\u3060\u4e8b\u5b9f\u4e0a\u306a\u304f\u3001QEMU \u306e -cpu rva23s64 \u304c\u552f\u4e00\u306e\u30b5\u30dd\u30fc\u30c8\u5bfe\u8c61\u3068\u3055\u308c\u3066\u3044\u308b<a class=\"ref\" href=\"#ref22\">[22]<\/a>\u3002\u307e\u305f IBM Z \u3067\u306f z15 \u4ee5\u4e0a\u304c\u6700\u4f4e\u8981\u4ef6\u3068\u306a\u308a\u3001z14 \u4ee5\u524d\u3067\u306f 26.04 \u3092\u5c0e\u5165\u3067\u304d\u306a\u3044<a class=\"ref\" href=\"#ref23\">[23]<\/a>\u3002\u3064\u307e\u308a\u300cUbuntu \u306f\u3069\u306e CPU \u3067\u3082\u540c\u3058\u3088\u3046\u306b\u52d5\u304f\u300d\u3068\u3044\u3046\u6642\u4ee3\u3067\u306f\u306a\u304f\u3001\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u3054\u3068\u306b\u652f\u6301\u3059\u308b\u57fa\u6e96\u70b9\u304c\u660e\u78ba\u5316\u3055\u308c\u3066\u3044\u308b\u3002<\/p>\n<table>\n<thead>\n<tr>\n<th>\u9818\u57df<\/th>\n<th>\u6ce8\u610f\u70b9<\/th>\n<th>\u78ba\u8a8d\u3059\u3079\u304d\u3053\u3068<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u30a2\u30c3\u30d7\u30b0\u30ec\u30fc\u30c9\u7d4c\u8def<\/td>\n<td>22.04 \u306a\u3069\u304b\u3089\u76f4\u63a5 26.04 \u3078\u306f\u4e0a\u3052\u3089\u308c\u306a\u3044<\/td>\n<td>24.04 LTS \u307e\u305f\u306f 25.10 \u3092\u7d4c\u7531\u3059\u308b\u624b\u9806\u3092\u78ba\u8a8d\u3059\u308b\u3002<\/td>\n<\/tr>\n<tr>\n<td>\u30c7\u30b9\u30af\u30c8\u30c3\u30d7<\/td>\n<td>Wayland \u524d\u63d0\u3001\u63a8\u5968\u30e1\u30e2\u30ea\u5897\u52a0<\/td>\n<td>\u8868\u793a\u3001\u5171\u6709\u3001\u5165\u529b\u6cd5\u3001GPU\u3001\u65e7 GUI \u8cc7\u7523\u3092\u4e8b\u524d\u691c\u8a3c\u3059\u308b\u3002<\/td>\n<\/tr>\n<tr>\n<td>\u30b5\u30fc\u30d0\u30fc<\/td>\n<td>cgroup v1\u3001System V\u3001apt-key\u3001timesyncd \u524d\u63d0\u304c\u53e4\u304f\u306a\u308b<\/td>\n<td>\u81ea\u52d5\u5316\u30b9\u30af\u30ea\u30d7\u30c8\u3068\u65e2\u5b58\u69cb\u6210\u3092\u68da\u5378\u3057\u3059\u308b\u3002<\/td>\n<\/tr>\n<tr>\n<td>\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3<\/td>\n<td>RISC-V \u3068 IBM Z \u306e\u8981\u4ef6\u5909\u66f4<\/td>\n<td>\u5bfe\u8c61\u6a5f\u7a2e\u304c\u65b0\u57fa\u6e96\u3092\u6e80\u305f\u3059\u304b\u78ba\u8a8d\u3059\u308b\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<hr>\n<h2>5. Debian \u3068\u306e\u9055\u3044<\/h2>\n<p>Ubuntu 26.04 \u306e\u8aac\u660e\u3092\u3053\u3053\u307e\u3067\u8aad\u3093\u3067\u304f\u308b\u3068\u3001\u81ea\u7136\u306b\u4e00\u3064\u306e\u7591\u554f\u304c\u751f\u3058\u308b\u3002\u306a\u305c <a href=\"https:\/\/blog.id774.net\/entry\/2026\/02\/09\/3515\/\">Debian<\/a> \u3067\u306f\u3001\u540c\u3058 Linux \u7cfb\u3067\u3042\u308a\u306a\u304c\u3089\u3001\u3053\u3053\u307e\u3067\u300c\u524d\u63d0\u306e\u66f4\u65b0\u300d\u3092\u5f37\u304f\u610f\u8b58\u3057\u306a\u304f\u3066\u6e08\u3080\u3053\u3068\u304c\u591a\u3044\u306e\u304b\u3002\u7b54\u3048\u306f\u3001\u63a1\u7528\u30d1\u30c3\u30b1\u30fc\u30b8\u306e\u9055\u3044\u3088\u308a\u3082\u3001<a href=\"https:\/\/blog.id774.net\/entry\/2026\/03\/29\/4225\/\">\u6642\u9593<\/a>\u306e\u6271\u3044\u65b9\u306e\u9055\u3044\u306b\u3042\u308b\u3002<\/p>\n<p>Debian \u306e\u8cc7\u6599\u3067\u306f\u3001pure stable release with security updates \u304c\u6700\u3082\u5b89\u5b9a\u3059\u308b\u3068\u660e\u8a00\u3055\u308c\u3066\u304a\u308a\u3001stable \u306b testing \u3084 unstable \u3092\u6df7\u305c\u308b\u65b9\u304c\u3080\u3057\u308d\u5371\u967a\u3060\u3068\u8aac\u660e\u3057\u3066\u3044\u308b<a class=\"ref\" href=\"#ref24\">[24]<\/a>\u3002\u307e\u305f Debian Handbook \u3067\u306f\u3001Stable \u306f\u73fe\u884c stable \u3068 oldstable \u306b\u5bfe\u3057\u3066\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u4fdd\u5b88\u304c\u884c\u308f\u308c\u3001LTS \u306b\u3088\u308a\u5404\u30ea\u30ea\u30fc\u30b9\u304c\u304a\u304a\u3080\u306d 5 \u5e74\u306e\u652f\u63f4\u3092\u53d7\u3051\u308b\u69cb\u9020\u304c\u8aac\u660e\u3055\u308c\u3066\u3044\u308b<a class=\"ref\" href=\"#ref25\">[25]<\/a>\u3002\u3053\u308c\u306f\u8a00\u3044\u63db\u3048\u308b\u3068\u3001Debian \u306f\u300c\u4e00\u5ea6 stable \u3068\u3057\u3066\u56fa\u3081\u305f\u6642\u9593\u8ef8\u3092\u3067\u304d\u308b\u3060\u3051\u4e71\u3055\u306a\u3044\u300d\u8a2d\u8a08\u3067\u3042\u308b\u3002<\/p>\n<p>\u305f\u3060\u3057\u3053\u308c\u306f\u300c\u5909\u5316\u3057\u306a\u3044\u300d\u3068\u3044\u3046\u610f\u5473\u3067\u306f\u306a\u304f\u3001\u5909\u5316\u306e\u5c0e\u5165\u7d4c\u8def\u3092\u5f37\u304f\u5236\u9650\u3059\u308b\u8a2d\u8a08\u3067\u3042\u308b\u3002<\/p>\n<p>Ubuntu \u3082 LTS \u3092\u63d0\u4f9b\u3059\u308b\u304c\u300126.04 \u306e\u516c\u5f0f\u8cc7\u6599\u3092\u898b\u308c\u3070\u5206\u304b\u308b\u3088\u3046\u306b\u3001\u30ab\u30fc\u30cd\u30eb\u3001systemd\u3001APT\u3001Dracut\u3001GNOME\u3001\u65e2\u5b9a\u30a2\u30d7\u30ea\u3001\u6a29\u9650\u30e2\u30c7\u30eb\u3001\u5bfe\u5fdc\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u306a\u3069\u3001\u591a\u5c64\u306e\u5909\u5316\u3092\u307e\u3068\u3081\u3066\u53d6\u308a\u8fbc\u3093\u3067\u3044\u308b<a class=\"ref\" href=\"#ref2\">[2]<\/a>\u3002\u3053\u308c\u306f\u60aa\u3044\u3053\u3068\u3067\u306f\u306a\u3044\u3002\u3080\u3057\u308d\u3001\u73fe\u4ee3\u306e\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u3001\u30af\u30e9\u30a6\u30c9\u3001\u30c7\u30b9\u30af\u30c8\u30c3\u30d7 UX\u3001\u958b\u767a\u8005\u4f53\u9a13\u306b\u8ffd\u968f\u3059\u308b\u305f\u3081\u306b\u306f\u5fc5\u8981\u3067\u3042\u308b\u3002\u305f\u3060\u3057\u3001\u305d\u306e\u7d50\u679c\u3068\u3057\u3066 Ubuntu \u306f\u300c\u4e00\u3064\u306e\u6642\u8a08\u3067\u5168\u5c64\u3092\u6b62\u3081\u308b\u300d\u3088\u308a\u3001\u300c\u8907\u6570\u306e\u6642\u8a08\u3092 LTS \u3068\u3044\u3046\u67a0\u3067\u7d71\u5408\u3057\u3066\u904b\u7528\u3059\u308b\u300d\u6027\u683c\u3092\u5f37\u304f\u6301\u3064\u3002<\/p>\n<table>\n<thead>\n<tr>\n<th>\u89b3\u70b9<\/th>\n<th>Debian<\/th>\n<th>Ubuntu 26.04<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u57fa\u672c\u59ff\u52e2<\/td>\n<td>stable \u3092\u306a\u308b\u3079\u304f\u4e71\u3055\u306a\u3044<\/td>\n<td>\u65b0\u3057\u3044\u57fa\u76e4\u3092 LTS \u3068\u3057\u3066\u518d\u7d71\u5408\u3059\u308b<\/td>\n<\/tr>\n<tr>\n<td>\u6642\u9593\u8ef8<\/td>\n<td>\u5358\u4e00\u6642\u9593\u8ef8\u306b\u8fd1\u3044<\/td>\n<td>\u591a\u5c64\u306e\u6642\u9593\u8ef8\u3092\u7d71\u5408\u3059\u308b<\/td>\n<\/tr>\n<tr>\n<td>\u5909\u5316\u306e\u6271\u3044<\/td>\n<td>\u5fc5\u8981\u6700\u5c0f\u9650\u306e\u4fee\u6b63\u3092 backport \u7684\u306b\u5165\u308c\u308b<\/td>\n<td>\u4e0a\u6d41\u3068\u73fe\u5b9f\u306e\u5909\u5316\u3092\u4e00\u5b9a\u5468\u671f\u3067\u7a4d\u6975\u7684\u306b\u53d6\u308a\u8fbc\u3080<\/td>\n<\/tr>\n<tr>\n<td>\u904b\u7528\u611f<\/td>\n<td>\u518d\u73fe\u6027\u3068\u9759\u3051\u3055\u304c\u5f37\u3044<\/td>\n<td>\u9069\u5fdc\u6027\u3068\u73fe\u4ee3\u6027\u304c\u5f37\u3044<\/td>\n<\/tr>\n<tr>\n<td>\u5f8c\u4ed8\u3051\u30c7\u30b9\u30af\u30c8\u30c3\u30d7\u306e\u9055\u548c\u611f<\/td>\n<td>\u6bd4\u8f03\u7684\u5c0f\u3055\u3044<\/td>\n<td>\u5c64\u3054\u3068\u306e\u5dee\u304c\u4f53\u611f\u3055\u308c\u3084\u3059\u3044<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u3053\u306e\u5dee\u306f\u3001\u5358\u306a\u308b\u300cSnap \u304c\u3042\u308b\u304b\u306a\u3044\u304b\u300d\u306e\u3088\u3046\u306a\u8868\u9762\u7684\u306a\u8b70\u8ad6\u3067\u306f\u6349\u3048\u304d\u308c\u306a\u3044\u3002Debian \u3068 Ubuntu \u306e\u6700\u3082\u91cd\u8981\u306a\u9055\u3044\u306f\u3001\u4f55\u3092\u914d\u308b\u304b\u3067\u306f\u306a\u304f\u3001\u3069\u306e\u7a0b\u5ea6\u306e\u901f\u5ea6\u5dee\u3092\u3082\u3064\u5909\u66f4\u7fa4\u3092\u3001\u3069\u306e\u3088\u3046\u306a\u5358\u4f4d\u3067\u4e00\u3064\u306e\u904b\u7528\u53ef\u80fd\u306a\u72b6\u614b\u3078\u675f\u306d\u308b\u304b\u306b\u3042\u308b\u3002<\/p>\n<p>\u3053\u3053\u3067\u3001\u4e21\u8005\u306e\u9055\u3044\u3092\u3088\u308a\u5f62\u5f0f\u7684\u306b\u6349\u3048\u308b\u305f\u3081\u306b\u3001\u69cb\u9020\u632f\u52d5\u30e2\u30c7\u30eb\u306e\u6700\u5c0f\u5f62\u3092\u5c0e\u5165\u3059\u308b\u3002\u7cfb\u306e\u72b6\u614b\u3092 \\( S_t \\)\u3001\u5916\u90e8\u6761\u4ef6\u3092 \\( C_t \\)\u3001\u89b3\u6e2c\u3092 \\( O_t \\) \u3068\u3059\u308b\u3068\u3001\u6642\u9593\u767a\u5c55\u306f\u6b21\u306e\u3088\u3046\u306b\u8868\u3055\u308c\u308b\u3002<\/p>\n<div class=\"math-block\">\n\\[<br \/>\nS_{t+1} = M(S_t, C_t, O_t)<br \/>\n\\]\n<\/div>\n<p>Debian \u306f \\( C_t \\) \u306e\u5909\u52d5\u3092\u6975\u5c0f\u5316\u3059\u308b\u3053\u3068\u3067\u72b6\u614b\u5909\u5316\u3092\u6291\u3048\u308b\u7cfb\u3067\u3042\u308a\u3001Ubuntu \u306f \\( C_t \\) \u306e\u5909\u52d5\u3092\u53d7\u3051\u5165\u308c\u306a\u304c\u3089 \\( M \\) \u306b\u3088\u3063\u3066\u5b89\u5b9a\u5316\u3059\u308b\u7cfb\u3068\u3057\u3066\u7406\u89e3\u3067\u304d\u308b\u3002\u3059\u306a\u308f\u3061\u524d\u8005\u306f\u9759\u7684\u5b89\u5b9a\u7cfb\u3001\u5f8c\u8005\u306f\u52d5\u7684\u5b89\u5b9a\u7cfb\u3067\u3042\u308b\u3002<\/p>\n<hr>\n<h2>6. \u6700\u3082\u91cd\u8981\u306a\u30dd\u30a4\u30f3\u30c8\u2015\u2015\u9055\u3044\u306f\u6642\u9593\u306e\u6271\u3044\u65b9\u306b\u3042\u308b<\/h2>\n<p>\u3053\u3053\u307e\u3067\u306e\u8b70\u8ad6\u3092\u4e00\u884c\u3067\u5727\u7e2e\u3059\u308b\u3068\u3001Debian \u3068 <a href=\"https:\/\/blog.id774.net\/entry\/2023\/01\/25\/2329\/\">Ubuntu<\/a> \u306e\u672c\u8cea\u7684\u5dee\u306f\u300c\u6642\u9593\u306e\u6271\u3044\u65b9\u300d\u306b\u3042\u308b\u3002Debian \u306f\u3001\u914d\u5e03\u5f8c\u306e\u6642\u9593\u5909\u5316\u3092\u3067\u304d\u308b\u3060\u3051\u6291\u3048\u3066 stable \u3092\u4fdd\u3064\u8a2d\u8a08\u3067\u3042\u308a\u3001Ubuntu \u306f\u3001\u73fe\u5b9f\u306e\u5909\u5316\u3092\u7121\u8996\u305b\u305a\u53d6\u308a\u8fbc\u307f\u306a\u304c\u3089\u3001LTS \u3068\u3044\u3046\u5f62\u3067\u904b\u7528\u53ef\u80fd\u306a\u5e73\u8861\u70b9\u3078\u675f\u306d\u308b\u8a2d\u8a08\u3067\u3042\u308b<a class=\"ref\" href=\"#ref24\">[24]<\/a><a class=\"ref\" href=\"#ref2\">[2]<\/a>\u3002<\/p>\n<p>\u3053\u306e\u5dee\u306f\u3001\u3042\u3089\u3086\u308b\u904b\u7528\u4e0a\u306e\u4f53\u611f\u5dee\u306b\u73fe\u308c\u308b\u3002Debian \u306f\u3001\u30d1\u30c3\u30b1\u30fc\u30b8\u306e\u6df7\u5728\u3092\u907f\u3051\u305f pure stable \u306e\u65b9\u304c\u3088\u3044\u3068\u81ea\u3089\u660e\u8a00\u3059\u308b\u304f\u3089\u3044\u3001\u5358\u4e00\u6642\u9593\u8ef8\u306e\u7dad\u6301\u3092\u91cd\u8996\u3059\u308b<a class=\"ref\" href=\"#ref24\">[24]<\/a>\u3002\u305d\u306e\u305f\u3081\u3001\u518d\u73fe\u6027\u3001<a href=\"https:\/\/blog.id774.net\/entry\/2026\/04\/04\/4286\/\">\u969c\u5bb3\u89e3\u6790<\/a>\u3001\u9577\u671f\u56fa\u5b9a\u3068\u3044\u3046\u6587\u8108\u3067\u306f\u975e\u5e38\u306b\u5f37\u3044\u3002\u4e00\u65b9 Ubuntu \u306f\u300126.04 \u3060\u3051\u3092\u898b\u3066\u3082\u3001\u30c7\u30b9\u30af\u30c8\u30c3\u30d7 UX\u3001\u30b5\u30fc\u30d0\u30fc\u6697\u53f7\u3001\u8d77\u52d5\u57fa\u76e4\u3001\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u57fa\u6e96\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5f85\u6a5f\u6761\u4ef6\u307e\u3067\u3092\u307e\u3068\u3081\u3066\u66f4\u65b0\u3059\u308b\u306e\u3067\u3001\u5909\u5316\u3092\u6b62\u3081\u308b\u306e\u3067\u306f\u306a\u304f\u7ba1\u7406\u3059\u308b\u65b9\u5411\u306b\u4fa1\u5024\u304c\u3042\u308b\u3002<\/p>\n<p>\u3064\u307e\u308a\u3001Debian \u3092\u9078\u3076\u3068\u306f\u300c\u6642\u9593\u3092\u6b62\u3081\u305f\u7cfb\u3092\u6301\u3064\u300d\u3053\u3068\u3067\u3042\u308a\u3001Ubuntu \u3092\u9078\u3076\u3068\u306f\u300c\u8907\u6570\u306e\u901f\u5ea6\u3067\u52d5\u304f\u7cfb\u3092\u3001\u7834\u7dbb\u3057\u306a\u3044\u3088\u3046\u306b\u675f\u306d\u305f\u7cfb\u3092\u6301\u3064\u300d\u3053\u3068\u3067\u3042\u308b\u3002\u3053\u308c\u304c\u3001\u4e21\u8005\u306e\u5b89\u5b9a\u6027\u304c\u540c\u3058\u8a00\u8449\u3067\u8a9e\u308c\u306a\u3044\u7406\u7531\u3067\u3082\u3042\u308b\u3002Debian \u306e\u5b89\u5b9a\u6027\u306f\u9759\u7684\u5e73\u8861\u306e\u5b89\u5b9a\u6027\u3067\u3042\u308a\u3001Ubuntu \u306e\u5b89\u5b9a\u6027\u306f\u52d5\u7684\u5e73\u8861\u306e\u5b89\u5b9a\u6027\u3067\u3042\u308b\u3002<\/p>\n<table>\n<thead>\n<tr>\n<th>\u9805\u76ee<\/th>\n<th>Debian \u7684\u306a\u610f\u5473<\/th>\n<th>Ubuntu \u7684\u306a\u610f\u5473<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u5b89\u5b9a<\/td>\n<td>\u72b6\u614b\u3092\u3042\u307e\u308a\u5909\u3048\u306a\u3044<\/td>\n<td>\u5909\u5316\u3092\u5438\u53ce\u3057\u3066\u767a\u6563\u3057\u306a\u3044<\/td>\n<\/tr>\n<tr>\n<td>\u4fdd\u5b88<\/td>\n<td>\u56fa\u5b9a\u3057\u305f\u3082\u306e\u3092\u9577\u304f\u7dad\u6301\u3059\u308b<\/td>\n<td>\u66f4\u65b0\u3057\u306a\u304c\u3089\u6574\u5408\u6027\u3092\u4fdd\u3064<\/td>\n<\/tr>\n<tr>\n<td>\u5c0e\u5165\u5f8c\u306e\u611f\u899a<\/td>\n<td>\u9759\u304b\u3067\u4e88\u6e2c\u3057\u3084\u3059\u3044<\/td>\n<td>\u65b0\u3057\u3055\u306b\u8ffd\u968f\u3057\u3084\u3059\u3044<\/td>\n<\/tr>\n<tr>\n<td>\u554f\u984c\u306e\u51fa\u65b9<\/td>\n<td>\u6df7\u5728\u3055\u305b\u305f\u3068\u304d\u306b\u58ca\u308c\u3084\u3059\u3044<\/td>\n<td>\u5c64\u3054\u3068\u306e\u524d\u63d0\u5dee\u304c\u8868\u9762\u5316\u3057\u3084\u3059\u3044<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<hr>\n<h2>7. \u6570\u7406\u30e2\u30c7\u30eb\u5316\u2015\u2015Ubuntu \u3068 Debian \u3092\u72b6\u614b\u9077\u79fb\u7cfb\u3068\u3057\u3066\u66f8\u304f<\/h2>\n<p>\u3053\u3053\u304b\u3089\u306f\u3001\u3053\u308c\u307e\u3067\u306e\u8b70\u8ad6\u3092\u62bd\u8c61\u5316\u3059\u308b\u3002\u6570\u7406\u30e2\u30c7\u30eb\u5316\u306e\u76ee\u7684\u306f\u3001\u73fe\u5b9f\u3092\u5358\u7d14\u5316\u3057\u3059\u304e\u308b\u3053\u3068\u3067\u306f\u306a\u3044\u3002\u3080\u3057\u308d\u3001\u8907\u96d1\u306b\u898b\u3048\u308b\u73fe\u8c61\u306e\u4e2d\u304b\u3089\u3001\u672c\u5f53\u306b\u652f\u914d\u7684\u306a\u5909\u6570\u3060\u3051\u3092\u53d6\u308a\u51fa\u3057\u3066\u56e0\u679c\u95a2\u4fc2\u3092\u8aad\u307f\u3084\u3059\u304f\u3059\u308b\u3053\u3068\u306b\u3042\u308b\u3002Ubuntu 26.04 \u3068 Debian \u306e\u9055\u3044\u3082\u3001\u5358\u306a\u308b\u5370\u8c61\u8ad6\u3067\u306f\u306a\u304f\u3001\u72b6\u614b\u9077\u79fb\u7cfb\u3068\u3057\u3066\u6574\u7406\u3067\u304d\u308b\u3002<\/p>\n<h3>7.1 \u6700\u5c0f\u72b6\u614b\u306e\u5b9a\u7fa9<\/h3>\n<p>\u3042\u308b\u6642\u523b \\(t\\) \u306b\u304a\u3051\u308b OS \u306e\u72b6\u614b\u3092\u3001\u6b21\u306e\u3088\u3046\u306a\u5c64\u306e\u76f4\u7a4d\u3068\u3057\u3066\u5b9a\u7fa9\u3059\u308b\u3002<\/p>\n<div class=\"math-block\">\n\\[<br \/>\nS_t = \\bigl(B_t, K_t, I_t, N_t, P_t, D_t, A_t, C_t\\bigr)<br \/>\n\\]\n<\/div>\n<p>\u3053\u3053\u3067\u3001\\(B_t\\) \u306f\u30d9\u30fc\u30b9\u30b7\u30b9\u30c6\u30e0\u3001\\(K_t\\) \u306f\u30ab\u30fc\u30cd\u30eb\u3001\\(I_t\\) \u306f\u521d\u671f\u8d77\u52d5\u57fa\u76e4\u3001\\(N_t\\) \u306f\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u57fa\u76e4\u3001\\(P_t\\) \u306f\u30d1\u30c3\u30b1\u30fc\u30b8\u7ba1\u7406\u57fa\u76e4\u3001\\(D_t\\) \u306f\u30c7\u30b9\u30af\u30c8\u30c3\u30d7\u57fa\u76e4\u3001\\(A_t\\) \u306f\u65e2\u5b9a\u30a2\u30d7\u30ea\u7fa4\u3001\\(C_t\\) \u306f\u5c40\u6240\u8a2d\u5b9a\u3084\u904b\u7528\u8a2d\u5b9a\u3067\u3042\u308b\u3002Ubuntu 26.04 \u3067\u8a00\u3048\u3070\u3001\\(K_t\\) \u306e\u66f4\u65b0\u306b\u306f Linux kernel 7.0 \u304c\u3001\\(I_t\\) \u306b\u306f Dracut \u304c\u3001\\(N_t\\) \u306b\u306f Netplan 1.2 \u304c\u3001\\(P_t\\) \u306b\u306f APT 3 \u304c\u3001\\(D_t\\) \u306b\u306f GNOME 50 \u3068 Wayland \u5c02\u7528\u5316\u304c\u5bfe\u5fdc\u3059\u308b<a class=\"ref\" href=\"#ref4\">[4]<\/a><a class=\"ref\" href=\"#ref19\">[19]<\/a><a class=\"ref\" href=\"#ref6\">[6]<\/a><a class=\"ref\" href=\"#ref8\">[8]<\/a><a class=\"ref\" href=\"#ref9\">[9]<\/a>\u3002<\/p>\n<p>\u3053\u306e\u3088\u3046\u306b\u66f8\u304f\u5229\u70b9\u306f\u3001\u5909\u5316\u304c\u4e00\u679a\u5ca9\u3067\u306f\u306a\u3044\u3053\u3068\u3092\u660e\u78ba\u306b\u3067\u304d\u308b\u70b9\u306b\u3042\u308b\u3002\u4e00\u822c\u306b\u300cUbuntu \u304c\u5909\u308f\u3063\u305f\u300d\u3068\u8a00\u3046\u3068\u304d\u3001\u5b9f\u969b\u306b\u306f \\(K_t\\) \u3060\u3051\u304c\u5909\u308f\u308b\u5834\u5408\u3082\u3042\u308c\u3070\u3001\\(D_t\\) \u3068 \\(A_t\\) \u304c\u5927\u304d\u304f\u5909\u308f\u308b\u5834\u5408\u3082\u3042\u308b\u3002\u8a00\u3044\u63db\u3048\u308b\u3068\u3001OS \u306e\u5909\u5316\u306f\u5358\u4e00\u5909\u6570\u3067\u306f\u306a\u304f\u3001\u591a\u6b21\u5143\u30d9\u30af\u30c8\u30eb\u306e\u79fb\u52d5\u3067\u3042\u308b\u3002<\/p>\n<table>\n<thead>\n<tr>\n<th>\u8a18\u53f7<\/th>\n<th>\u5c64<\/th>\n<th>Ubuntu 26.04 \u306b\u304a\u3051\u308b\u5177\u4f53\u4f8b<\/th>\n<th>\u5909\u5316\u306e\u6027\u8cea<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\\(B_t\\)<\/td>\n<td>\u30d9\u30fc\u30b9\u30b7\u30b9\u30c6\u30e0<\/td>\n<td>glibc\u3001coreutils \u306a\u3069\u306e\u57fa\u76e4\u30d1\u30c3\u30b1\u30fc\u30b8<\/td>\n<td>\u57fa\u672c\u7684\u306b\u306f\u5b89\u5b9a\u3060\u304c\u9577\u671f\u3067\u66f4\u65b0\u3055\u308c\u308b\u3002<\/td>\n<\/tr>\n<tr>\n<td>\\(K_t\\)<\/td>\n<td>\u30ab\u30fc\u30cd\u30eb<\/td>\n<td>Linux kernel 7.0<\/td>\n<td>\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u5bfe\u5fdc\u3068\u4f4e\u5c64\u6a5f\u80fd\u304c\u5927\u304d\u304f\u5909\u308f\u308b\u3002<\/td>\n<\/tr>\n<tr>\n<td>\\(I_t\\)<\/td>\n<td>\u521d\u671f\u8d77\u52d5\u57fa\u76e4<\/td>\n<td>Dracut<\/td>\n<td>\u8d77\u52d5\u30b7\u30fc\u30b1\u30f3\u30b9\u3068\u969c\u5bb3\u89e3\u6790\u306e\u524d\u63d0\u304c\u5909\u308f\u308b\u3002<\/td>\n<\/tr>\n<tr>\n<td>\\(N_t\\)<\/td>\n<td>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u57fa\u76e4<\/td>\n<td>Netplan 1.2<\/td>\n<td>\u5f85\u6a5f\u6761\u4ef6\u3084\u4eee\u60f3\u5316\u74b0\u5883\u3067\u306e\u6319\u52d5\u306b\u5f71\u97ff\u3059\u308b\u3002<\/td>\n<\/tr>\n<tr>\n<td>\\(P_t\\)<\/td>\n<td>\u30d1\u30c3\u30b1\u30fc\u30b8\u7ba1\u7406<\/td>\n<td>APT 3<\/td>\n<td>\u4f9d\u5b58\u89e3\u6c7a\u3068\u4fe1\u983c\u30e2\u30c7\u30eb\u304c\u66f4\u65b0\u3055\u308c\u308b\u3002<\/td>\n<\/tr>\n<tr>\n<td>\\(D_t\\)<\/td>\n<td>\u30c7\u30b9\u30af\u30c8\u30c3\u30d7\u57fa\u76e4<\/td>\n<td>GNOME 50\u3001Wayland<\/td>\n<td>\u8868\u793a\u30fb\u5165\u529b\u30fb\u4e92\u63db\u6027\u306e\u524d\u63d0\u304c\u5909\u308f\u308b\u3002<\/td>\n<\/tr>\n<tr>\n<td>\\(A_t\\)<\/td>\n<td>\u65e2\u5b9a\u30a2\u30d7\u30ea\u7fa4<\/td>\n<td>Papers\u3001Loupe\u3001Ptyxis<\/td>\n<td>UI \u3068\u6280\u8853\u30b9\u30bf\u30c3\u30af\u304c\u66f4\u65b0\u3055\u308c\u308b\u3002<\/td>\n<\/tr>\n<tr>\n<td>\\(C_t\\)<\/td>\n<td>\u30ed\u30fc\u30ab\u30eb\u8a2d\u5b9a<\/td>\n<td>SSH \u8a2d\u5b9a\u3001chrony\u3001\u72ec\u81ea\u30b9\u30af\u30ea\u30d7\u30c8<\/td>\n<td>\u74b0\u5883\u4f9d\u5b58\u3067\u6700\u3082\u63fa\u308c\u3084\u3059\u3044\u5c64\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>7.2 \u66f4\u65b0\u6f14\u7b97\u5b50<\/h3>\n<p>OS \u306e\u66f4\u65b0\u3092\u6b21\u306e\u3088\u3046\u306b\u66f8\u304f\u3002<\/p>\n<div class=\"math-block\">\n\\[<br \/>\nS_{t+1} = M\\bigl(S_t, E_t, U_t\\bigr)<br \/>\n\\]\n<\/div>\n<p>\u3053\u3053\u3067\u3001\\(E_t\\) \u306f\u4e0a\u6d41\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u4fee\u6b63\u3001\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u9032\u5316\u3001\u30dd\u30ea\u30b7\u30fc\u5909\u66f4\u306a\u3069\u306e\u5916\u90e8\u74b0\u5883\u3001\\(U_t\\) \u306f\u7ba1\u7406\u8005\u306e\u4ecb\u5165\u3067\u3042\u308b\u3002Debian \u3068 Ubuntu \u306e\u5dee\u306f\u3001\u3053\u306e\u66f4\u65b0\u6f14\u7b97\u5b50 \\(M\\) \u306e\u6027\u8cea\u306b\u3042\u308b\u3002Debian \u306e \\(M\\) \u306f\u3001stable \u671f\u9593\u4e2d\u306b\u5927\u304d\u306a\u5909\u52d5\u3092\u8d77\u3053\u3055\u306a\u3044\u3088\u3046\u5f37\u304f\u5236\u7d04\u3055\u308c\u308b\u3002Ubuntu \u306e \\(M\\) \u306f\u3001LTS \u3068\u3044\u3046\u533a\u5207\u308a\u306e\u4e2d\u3067\u8907\u6570\u5c64\u306e\u5909\u5316\u3092\u53d6\u308a\u8fbc\u307f\u3064\u3064\u3001\u305d\u308c\u3067\u3082\u5168\u4f53\u3092\u5b9f\u7528\u53ef\u80fd\u306b\u3059\u308b\u3088\u3046\u8a2d\u8a08\u3055\u308c\u308b\u3002<\/p>\n<p>\u3055\u3089\u306b\u5909\u5316\u91cf\u3092\u8ddd\u96e2\u3068\u3057\u3066\u5b9a\u7fa9\u3059\u308c\u3070\u3001<\/p>\n<div class=\"math-block\">\n\\[<br \/>\n\\Delta_t = d(S_{t+1}, S_t)<br \/>\n\\]\n<\/div>\n<p>\u3068\u66f8\u3051\u308b\u3002\u8ddd\u96e2 \\(d\\) \u306f\u3001\u30d1\u30c3\u30b1\u30fc\u30b8\u7248\u5dee\u3001\u8a2d\u5b9a\u5dee\u3001ABI \u5dee\u3001\u30e6\u30fc\u30b6\u30fc\u4f53\u9a13\u5dee\u306a\u3069\u3092\u9069\u5207\u306a\u91cd\u307f\u4ed8\u304d\u3067\u307e\u3068\u3081\u305f\u3082\u306e\u3067\u3042\u308b\u3002\u3053\u3053\u3067\u91cd\u8981\u306a\u306e\u306f\u3001\\(\\Delta_t\\) \u304c\u5927\u304d\u3044\u3053\u3068\u81ea\u4f53\u304c\u60aa\u3067\u306f\u306a\u3044\u70b9\u3067\u3042\u308b\u3002\u5927\u304d\u3044\u5909\u5316\u3067\u3082\u3001\u305d\u308c\u304c\u4e88\u6e2c\u53ef\u80fd\u3067\u3001\u6574\u5408\u7684\u3067\u3001\u79fb\u884c\u624b\u9806\u304c\u660e\u793a\u3055\u308c\u3066\u3044\u308c\u3070\u3001\u52d5\u7684\u5e73\u8861\u306e\u4e00\u90e8\u3068\u3057\u3066\u6271\u3048\u308b\u3002\u9006\u306b\u3001\u5909\u5316\u91cf\u304c\u5c0f\u3055\u304f\u898b\u3048\u3066\u3082\u3001\u3069\u3053\u306b\u5f71\u97ff\u3059\u308b\u304b\u4e0d\u660e\u306a\u3089\u904b\u7528\u4e0a\u306f\u5371\u967a\u3067\u3042\u308b\u3002<\/p>\n<h3>7.3 \u5358\u4e00\u6642\u9593\u8ef8\u30e2\u30c7\u30eb\u3068\u591a\u5c64\u6642\u9593\u8ef8\u30e2\u30c7\u30eb<\/h3>\n<p>Debian \u7684\u306a\u4e16\u754c\u3067\u306f\u3001\u72b6\u614b\u5909\u5316\u306f\u304a\u304a\u3080\u306d\u5358\u4e00\u6642\u9593\u8ef8\u3067\u7ba1\u7406\u3055\u308c\u308b\u305f\u3081\u3001\u6982\u5ff5\u7684\u306b\u306f<\/p>\n<div class=\"math-block\">\n\\[<br \/>\nS_{t+1}^{(\\mathrm{Debian})} \\approx S_t + \\epsilon_t<br \/>\n\\]\n<\/div>\n<p>\u3068\u66f8\u3051\u308b\u3002\u3053\u3053\u3067 \\(\\epsilon_t\\) \u306f\u4e3b\u306b\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u4fee\u6b63\u3084\u91cd\u5927\u30d0\u30b0\u4fee\u6b63\u306e\u3088\u3046\u306a\u3001\u5c0f\u3055\u304f\u6291\u3048\u3089\u308c\u305f\u5909\u5316\u3067\u3042\u308b<a class=\"ref\" href=\"#ref24\">[24]<\/a><a class=\"ref\" href=\"#ref25\">[25]<\/a>\u3002\u3053\u308c\u306b\u5bfe\u3057\u3066 Ubuntu 26.04 \u3067\u306f\u3001\u5c64\u3054\u3068\u306b\u7570\u306a\u308b\u901f\u5ea6\u3067\u9032\u3093\u3060\u5909\u5316\u304c LTS \u3068\u3044\u3046\u7bc0\u70b9\u3067\u307e\u3068\u3081\u3066\u53cd\u6620\u3055\u308c\u308b\u305f\u3081\u3001<\/p>\n<div class=\"math-block\">\n\\[<br \/>\nS_{t+1}^{(\\mathrm{Ubuntu})}<br \/>\n=<br \/>\nS_t<br \/>\n+<br \/>\n\\delta_t^{(K)}<br \/>\n+<br \/>\n\\delta_t^{(I)}<br \/>\n+<br \/>\n\\delta_t^{(N)}<br \/>\n+<br \/>\n\\delta_t^{(P)}<br \/>\n+<br \/>\n\\delta_t^{(D)}<br \/>\n+<br \/>\n\\delta_t^{(A)}<br \/>\n\\]\n<\/div>\n<p>\u306e\u3088\u3046\u306b\u66f8\u304f\u65b9\u304c\u5b9f\u614b\u306b\u8fd1\u3044\u3002\u3053\u3053\u3067 \\(\\delta_t^{(K)}\\) \u306f\u30ab\u30fc\u30cd\u30eb\u5c64\u3001\\(\\delta_t^{(I)}\\) \u306f\u521d\u671f\u8d77\u52d5\u5c64\u3001\\(\\delta_t^{(N)}\\) \u306f\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5c64\u3001\\(\\delta_t^{(P)}\\) \u306f\u30d1\u30c3\u30b1\u30fc\u30b8\u7ba1\u7406\u5c64\u3001\\(\\delta_t^{(D)}\\) \u306f\u30c7\u30b9\u30af\u30c8\u30c3\u30d7\u5c64\u3001\\(\\delta_t^{(A)}\\) \u306f\u30a2\u30d7\u30ea\u5c64\u306e\u5909\u5316\u3067\u3042\u308b\u3002\u91cd\u8981\u306a\u306e\u306f\u3001Ubuntu \u306e\u96e3\u3057\u3055\u306f\u5404\u9805\u304c\u5927\u304d\u3044\u3053\u3068\u3060\u3051\u3067\u306f\u306a\u304f\u3001\u305d\u308c\u3089\u304c\u4e92\u3044\u306b\u72ec\u7acb\u3067\u306f\u306a\u3044\u3053\u3068\u306b\u3042\u308b\u3002<\/p>\n<h3>7.4 \u7d50\u5408\u9805\u3068\u5171\u632f<\/h3>\n<p>\u73fe\u5b9f\u306e OS \u904b\u7528\u3067\u306f\u3001\u5c64\u9593\u306e\u76f8\u4e92\u4f5c\u7528\u304c\u652f\u914d\u7684\u306b\u306a\u308b\u3053\u3068\u304c\u591a\u3044\u3002\u305d\u306e\u305f\u3081\u3001\u3088\u308a\u6b63\u78ba\u306b\u306f<\/p>\n<div class=\"math-block\">\n\\[<br \/>\nS_{t+1}^{(\\mathrm{Ubuntu})}<br \/>\n=<br \/>\nS_t<br \/>\n+<br \/>\n\\sum_i \\delta_t^{(i)}<br \/>\n+<br \/>\n\\sum_{i \\neq j} \\Gamma_{ij}\\bigl(\\delta_t^{(i)}, \\delta_t^{(j)}\\bigr)<br \/>\n\\]\n<\/div>\n<p>\u3068\u66f8\u304f\u3079\u304d\u3067\u3042\u308b\u3002\u3053\u3053\u3067 \\(\\Gamma_{ij}\\) \u306f\u3001\u5c64 \\(i\\) \u3068\u5c64 \\(j\\) \u306e\u76f8\u4e92\u4f5c\u7528\u3092\u8868\u3059\u7d50\u5408\u9805\u3067\u3042\u308b\u3002\u305f\u3068\u3048\u3070\u3001Wayland \u5316\u3068\u7279\u5b9a GPU \u30c9\u30e9\u30a4\u30d0\u3001APT 3 \u3068\u5916\u90e8\u30ea\u30dd\u30b8\u30c8\u30ea\u904b\u7528\u3001systemd 259 \u3068\u53e4\u3044\u30b5\u30fc\u30d3\u30b9\u30b9\u30af\u30ea\u30d7\u30c8\u306e\u95a2\u4fc2\u306f\u3001\u5358\u72ec\u3067\u306f\u306a\u304f\u7d50\u5408\u9805\u3068\u3057\u3066\u554f\u984c\u306b\u306a\u308b\u3002\u3053\u306e \\(\\Gamma_{ij}\\) \u304c\u5c0f\u3055\u3051\u308c\u3070\u3001\u500b\u3005\u306e\u5909\u5316\u306f\u72ec\u7acb\u306b\u7ba1\u7406\u3057\u3084\u3059\u3044\u3002\u5927\u304d\u3051\u308c\u3070\u3001\u8907\u6570\u5c64\u306e\u5c0f\u3055\u306a\u5dee\u304c\u91cd\u306a\u3063\u3066\u4e88\u60f3\u5916\u306e\u969c\u5bb3\u3092\u8d77\u3053\u3059\u3002<\/p>\n<p>\u3064\u307e\u308a\u3001\u30d7\u30ed\u306e\u73fe\u5834\u3067\u91cd\u8981\u306a\u306e\u306f\u300c\u4f55\u304c\u65b0\u6a5f\u80fd\u304b\u300d\u3088\u308a\u3001\u300c\u3069\u306e\u5909\u5316\u304c\u3069\u306e\u5909\u5316\u3068\u7d50\u5408\u3057\u3066\u3044\u308b\u304b\u300d\u3067\u3042\u308b\u300226.04 \u3067\u79fb\u884c\u6ce8\u610f\u304c\u591a\u3044\u306e\u3082\u3001\u3053\u306e\u7d50\u5408\u9805\u304c\u6bd4\u8f03\u7684\u5927\u304d\u3044\u30ea\u30ea\u30fc\u30b9\u3060\u304b\u3089\u3067\u3042\u308b\u3002<\/p>\n<hr>\n<h2>8. \u69cb\u9020\u632f\u52d5\u30e2\u30c7\u30eb\u3067\u898b\u308b Ubuntu \u3068 Debian<\/h2>\n<p>\u6570\u7406\u30e2\u30c7\u30eb\u5316\u304c\u300c\u72b6\u614b\u306e\u5f0f\u300d\u3067\u3042\u308b\u306a\u3089\u3001\u69cb\u9020\u632f\u52d5\u30e2\u30c7\u30eb\u306f\u300c\u305d\u306e\u72b6\u614b\u304c\u306a\u305c\u63fa\u308c\u308b\u304b\u300d\u3092\u8aad\u3080\u67a0\u7d44\u307f\u3067\u3042\u308b\u3002\u3053\u3053\u3067\u306f OS \u3092\u9759\u7684\u306a\u7269\u4f53\u3067\u306f\u306a\u304f\u3001\u5916\u4e71\u3068\u5185\u90e8\u7d50\u5408\u306b\u3088\u3063\u3066\u63fa\u308c\u7d9a\u3051\u308b\u69cb\u9020\u4f53\u3068\u3057\u3066\u6271\u3046\u3002\u3059\u308b\u3068\u3001Debian \u3068 Ubuntu \u306e\u5dee\u306f\u3001\u4f55\u3092\u5b9f\u88c5\u3057\u3066\u3044\u308b\u304b\u3088\u308a\u3001\u3069\u306e\u3088\u3046\u306a\u632f\u52d5\u3092\u8a31\u5bb9\u3057\u3001\u3069\u306e\u3088\u3046\u306b\u6e1b\u8870\u3055\u305b\u308b\u304b\u306e\u5dee\u3068\u3057\u3066\u7406\u89e3\u3067\u304d\u308b\u3002<\/p>\n<h3>8.1 \u69cb\u9020\u632f\u52d5\u30e2\u30c7\u30eb\u306e\u5bfe\u5fdc\u4ed8\u3051<\/h3>\n<p>\u6700\u5c0f\u69cb\u6210\u306f\u3001\u72b6\u614b \\(S_t\\)\u3001\u74b0\u5883 \\(E_t\\)\u3001\u89b3\u6e2c \\(O_t\\)\u3001\u4ecb\u5165 \\(U_t\\)\u3001\u66f4\u65b0 \\(M\\) \u306e\u4e94\u3064\u3067\u8db3\u308a\u308b\u3002OS \u306b\u5bfe\u5fdc\u3055\u305b\u308b\u3068\u3001\\(S_t\\) \u306f\u305d\u306e\u6642\u70b9\u306e\u69cb\u6210\u3001\\(E_t\\) \u306f\u4e0a\u6d41\u66f4\u65b0\u3084\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u5909\u5316\u3001\\(O_t\\) \u306f\u30ed\u30b0\u3084\u76e3\u8996\u3084\u30e6\u30fc\u30b6\u30fc\u4f53\u9a13\u3001\\(U_t\\) \u306f\u7ba1\u7406\u8005\u306e\u30a2\u30c3\u30d7\u30b0\u30ec\u30fc\u30c9\u30fb\u8a2d\u5b9a\u5909\u66f4\u30fb\u30ed\u30fc\u30eb\u30d0\u30c3\u30af\u3001\\(M\\) \u306f\u30c7\u30a3\u30b9\u30c8\u30ea\u30d3\u30e5\u30fc\u30b7\u30e7\u30f3\u304c\u8a31\u3059\u66f4\u65b0\u5247\u3067\u3042\u308b\u3002<\/p>\n<table>\n<thead>\n<tr>\n<th>\u69cb\u9020\u632f\u52d5\u30e2\u30c7\u30eb\u306e\u8981\u7d20<\/th>\n<th>Ubuntu \/ Debian \u306b\u304a\u3051\u308b\u5bfe\u5fdc<\/th>\n<th>\u610f\u5473<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\\(S_t\\)<\/td>\n<td>\u30ab\u30fc\u30cd\u30eb\u3001systemd\u3001APT\u3001\u30c7\u30b9\u30af\u30c8\u30c3\u30d7\u3001\u8a2d\u5b9a\u306a\u3069\u306e\u7dcf\u72b6\u614b<\/td>\n<td>\u30b7\u30b9\u30c6\u30e0\u304c\u3044\u307e\u3069\u306e\u59ff\u306b\u3042\u308b\u304b\u3092\u8868\u3059\u3002<\/td>\n<\/tr>\n<tr>\n<td>\\(E_t\\)<\/td>\n<td>\u4e0a\u6d41\u66f4\u65b0\u3001\u8106\u5f31\u6027\u3001CPU \u4e16\u4ee3\u5909\u5316\u3001\u6697\u53f7\u8981\u6c42\u306e\u5909\u5316<\/td>\n<td>\u30b7\u30b9\u30c6\u30e0\u5916\u90e8\u304b\u3089\u52a0\u308f\u308b\u5916\u4e71\u3067\u3042\u308b\u3002<\/td>\n<\/tr>\n<tr>\n<td>\\(O_t\\)<\/td>\n<td>\u30ed\u30b0\u3001\u76e3\u8996\u3001\u969c\u5bb3\u5831\u544a\u3001\u30e6\u30fc\u30b6\u30fc\u4f53\u611f<\/td>\n<td>\u63fa\u308c\u304c\u3069\u306e\u3088\u3046\u306b\u89b3\u6e2c\u3055\u308c\u308b\u304b\u3092\u793a\u3059\u3002<\/td>\n<\/tr>\n<tr>\n<td>\\(U_t\\)<\/td>\n<td>\u30a2\u30c3\u30d7\u30b0\u30ec\u30fc\u30c9\u3001\u8a2d\u5b9a\u4fee\u6b63\u3001\u904b\u7528\u30eb\u30fc\u30eb\u5909\u66f4\u3001\u30ed\u30fc\u30eb\u30d0\u30c3\u30af<\/td>\n<td>\u63fa\u308c\u3092\u6291\u3048\u308b\u304b\u3001\u5225\u306e\u5e73\u8861\u70b9\u3078\u79fb\u3059\u4ecb\u5165\u3067\u3042\u308b\u3002<\/td>\n<\/tr>\n<tr>\n<td>\\(M\\)<\/td>\n<td>stable \u306e\u66f4\u65b0\u5247\u3001LTS \u306e\u66f4\u65b0\u5247\u3001\u914d\u5e03\u30dd\u30ea\u30b7\u30fc<\/td>\n<td>\u3069\u306e\u3088\u3046\u306a\u5909\u5316\u3092\u8a31\u53ef\u3059\u308b\u304b\u3068\u3044\u3046\u5236\u5ea6\u305d\u306e\u3082\u306e\u3067\u3042\u308b\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>8.2 \u632f\u52d5\u91cf\u306e\u5b9a\u7fa9<\/h3>\n<p>\u72b6\u614b\u5dee\u3092\u5358\u7d14\u306b\u8ddd\u96e2\u3067\u6e2c\u308c\u3070\u3001\u632f\u52d5\u91cf\u306f\u6b21\u306e\u3088\u3046\u306b\u66f8\u3051\u308b\u3002<\/p>\n<div class=\"math-block\">\n\\[<br \/>\nV_t = \\| S_{t+1} &#8211; S_t \\|<br \/>\n\\]\n<\/div>\n<p>\u305f\u3060\u3057\u73fe\u5b9f\u306b\u306f\u3001\u3059\u3079\u3066\u306e\u5dee\u304c\u540c\u3058\u91cd\u307f\u3092\u6301\u3064\u308f\u3051\u3067\u306f\u306a\u3044\u3002\u305f\u3068\u3048\u3070\u7aef\u672b\u30a2\u30d7\u30ea\u306e\u898b\u305f\u76ee\u306e\u5dee\u3088\u308a\u3001\u6697\u53f7\u65b9\u5f0f\u524a\u9664\u3084 cgroup \u5ec3\u6b62\u306e\u65b9\u304c\u904b\u7528\u3078\u306e\u5f71\u97ff\u306f\u5927\u304d\u3044\u3002\u305d\u3053\u3067\u91cd\u307f\u884c\u5217 \\(W\\) \u3092\u5c0e\u5165\u3057\u3066\u3001<\/p>\n<div class=\"math-block\">\n\\[<br \/>\nV_t = \\sqrt{(S_{t+1} &#8211; S_t)^{\\top} W (S_{t+1} &#8211; S_t)}<br \/>\n\\]\n<\/div>\n<p>\u306e\u3088\u3046\u306b\u66f8\u3051\u3070\u3001\u5404\u5c64\u306e\u5f71\u97ff\u5ea6\u3092\u53cd\u6620\u3067\u304d\u308b\u3002\u30b5\u30fc\u30d0\u30fc\u904b\u7528\u3067\u306f \\(K_t, I_t, P_t, N_t\\) \u306e\u91cd\u307f\u304c\u9ad8\u304f\u3001\u30c7\u30b9\u30af\u30c8\u30c3\u30d7\u5229\u7528\u3067\u306f \\(D_t, A_t\\) \u306e\u91cd\u307f\u3082\u5927\u304d\u304f\u306a\u308b\u3002\u3064\u307e\u308a\u300c\u540c\u3058 Ubuntu 26.04 \u3067\u3082\u3001\u8ab0\u306b\u3068\u3063\u3066\u4f55\u304c\u5927\u304d\u306a\u5909\u5316\u304b\u300d\u306f\u91cd\u307f\u306e\u7f6e\u304d\u65b9\u3067\u5909\u308f\u308b\u3002<\/p>\n<h3>8.3 Debian \u306f\u9759\u7684\u5e73\u8861\u7cfb\u3001Ubuntu \u306f\u52d5\u7684\u5e73\u8861\u7cfb<\/h3>\n<p>Debian \u7684\u306a\u5b89\u5b9a\u306f\u3001\u632f\u52d5\u91cf \\(V_t\\) \u3092\u3067\u304d\u308b\u3060\u3051\u5c0f\u3055\u304f\u4fdd\u3061\u3001\u7cfb\u3092\u4e00\u5b9a\u306e\u8fd1\u508d\u306b\u7559\u3081\u308b\u3053\u3068\u306b\u3042\u308b\u3002\u6982\u5ff5\u7684\u306b\u306f\u3001<\/p>\n<div class=\"math-block\">\n\\[<br \/>\nV_t^{(\\mathrm{Debian})} \\approx 0<br \/>\n\\]\n<\/div>\n<p>\u3092\u76ee\u6307\u3059\u8a2d\u8a08\u3067\u3042\u308b\u3002\u3082\u3061\u308d\u3093\u672c\u5f53\u306b\u30bc\u30ed\u3067\u306f\u306a\u3044\u304c\u3001stable \u306e\u7406\u60f3\u306f\u300c\u5fc5\u8981\u6700\u5c0f\u9650\u306e\u4fee\u6b63\u3060\u3051\u3092\u8a31\u3057\u3001\u72b6\u614b\u7a7a\u9593\u3092\u72ed\u304f\u4fdd\u3064\u3053\u3068\u300d\u306b\u3042\u308b<a class=\"ref\" href=\"#ref24\">[24]<\/a>\u3002\u3053\u308c\u304c Debian \u306e\u518d\u73fe\u6027\u306e\u6e90\u6cc9\u3067\u3042\u308b\u3002<\/p>\n<p>\u4e00\u65b9 Ubuntu \u306f\u300126.04 \u306e\u3088\u3046\u306a LTS \u3067\u57fa\u76e4\u3084 UI \u3092\u304b\u306a\u308a\u66f4\u65b0\u3057\u306a\u304c\u3089\u3082\u3001\u305d\u308c\u3092\u300c\u4f7f\u3048\u308b\u4e00\u3064\u306e\u72b6\u614b\u300d\u3068\u3057\u3066\u63d0\u4f9b\u3059\u308b\u3002\u3053\u308c\u306f\u632f\u52d5\u3092\u6d88\u3057\u3066\u3044\u308b\u306e\u3067\u306f\u306a\u304f\u3001\u5236\u5fa1\u3057\u3066\u3044\u308b\u306e\u3067\u3042\u308b\u3002\u3057\u305f\u304c\u3063\u3066 Ubuntu \u306e\u5b89\u5b9a\u306f\u3001<\/p>\n<div class=\"math-block\">\n\\[<br \/>\nV_t^{(\\mathrm{Ubuntu})} > 0 \\quad \\text{\u3060\u304c\u767a\u6563\u3057\u306a\u3044}<br \/>\n\\]\n<\/div>\n<p>\u3068\u3044\u3046\u610f\u5473\u3067\u306e\u5b89\u5b9a\u3067\u3042\u308b\u3002\u3053\u308c\u306f\u9759\u6b62\u3067\u306f\u306a\u304f\u3001\u6e1b\u8870\u3092\u3068\u3082\u306a\u3046\u52d5\u7684\u5e73\u8861\u3067\u3042\u308b\u3002<\/p>\n<h3>8.4 \u6e1b\u8870\u4fc2\u6570\u3068\u3057\u3066\u306e\u30c7\u30a3\u30b9\u30c8\u30ea\u30d3\u30e5\u30fc\u30b7\u30e7\u30f3\u8a2d\u8a08<\/h3>\n<p>\u632f\u52d5\u30e2\u30c7\u30eb\u3068\u3057\u3066\u306f\u3001\u5404\u5c64\u306e\u5909\u5316\u3092\u3070\u306d\u3068\u6e1b\u8870\u306e\u3042\u308b\u7cfb\u3068\u3057\u3066\u8fd1\u4f3c\u3067\u304d\u308b\u3002\u305f\u3068\u3048\u3070\u3001<\/p>\n<div class=\"math-block\">\n\\[<br \/>\nm \\ddot{x}(t) + c \\dot{x}(t) + k x(t) = f(t)<br \/>\n\\]\n<\/div>\n<p>\u3068\u3044\u3046\u53e4\u5178\u7684\u306a\u6e1b\u8870\u632f\u52d5\u65b9\u7a0b\u5f0f\u3067\u8003\u3048\u308b\u3068\u3001\\(x(t)\\) \u306f\u7406\u60f3\u72b6\u614b\u304b\u3089\u306e\u305a\u308c\u3001\\(f(t)\\) \u306f\u5916\u4e71\u3001\\(c\\) \u306f\u6e1b\u8870\u3001\\(k\\) \u306f\u5143\u306e\u5e73\u8861\u70b9\u3078\u623b\u305d\u3046\u3068\u3059\u308b\u62d8\u675f\u306b\u5bfe\u5fdc\u3059\u308b\u3002Debian \u306f \\(c\\) \u3068 \\(k\\) \u3092\u5927\u304d\u304f\u3057\u3066\u3001\u5916\u4e71\u306b\u5bfe\u3057\u3066\u5927\u304d\u304f\u52d5\u304b\u306a\u3044\u3088\u3046\u306b\u3057\u305f\u7cfb\u3068\u898b\u306a\u305b\u308b\u3002Ubuntu \u306f \\(f(t)\\) \u304c\u6bd4\u8f03\u7684\u5927\u304d\u3044\u73fe\u4ee3\u74b0\u5883\u3092\u524d\u63d0\u306b\u3057\u3064\u3064\u3001LTS\u3001\u4e92\u63db\u5c64\u3001\u79fb\u884c\u671f\u9593\u3001\u6bb5\u968e\u7684\u66f4\u65b0\u3068\u3044\u3046\u5f62\u3067 \\(c\\) \u3092\u78ba\u4fdd\u3057\u3001\u767a\u6563\u3092\u6291\u3048\u3066\u3044\u308b\u7cfb\u3068\u898b\u306a\u305b\u308b\u3002<\/p>\n<p>\u3053\u306e\u898b\u65b9\u306e\u5229\u70b9\u306f\u3001\u4e21\u8005\u306e\u9055\u3044\u3092\u300c\u3069\u3061\u3089\u304c\u512a\u308c\u3066\u3044\u308b\u304b\u300d\u3067\u306f\u306a\u304f\u3001\u300c\u3069\u306e\u5916\u4e71\u6761\u4ef6\u306b\u9069\u3057\u305f\u6e1b\u8870\u8a2d\u8a08\u304b\u300d\u3068\u3057\u3066\u7406\u89e3\u3067\u304d\u308b\u70b9\u306b\u3042\u308b\u3002\u5909\u5316\u306e\u5c11\u306a\u3044\u696d\u52d9\u7cfb\u30fb\u518d\u73fe\u6027\u91cd\u8996\u306a\u3089 Debian \u7684\u8a2d\u8a08\u304c\u52b9\u304f\u3002\u65b0\u3057\u3044\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u3001\u30c7\u30b9\u30af\u30c8\u30c3\u30d7 UX\u3001\u30af\u30e9\u30a6\u30c9\u3001\u5468\u8fba\u30a8\u30b3\u30b7\u30b9\u30c6\u30e0\u3068\u306e\u6574\u5408\u3092\u91cd\u8996\u3059\u308b\u306a\u3089 Ubuntu \u7684\u8a2d\u8a08\u304c\u52b9\u304f\u3002<\/p>\n<h3>8.5 \u5171\u632f\u3068\u3057\u3066\u306e\u969c\u5bb3<\/h3>\n<p>\u69cb\u9020\u632f\u52d5\u30e2\u30c7\u30eb\u3067\u7279\u306b\u91cd\u8981\u306a\u306e\u306f\u5171\u632f\u3067\u3042\u308b\u3002\u5404\u5c64\u306e\u632f\u52d5\u304c\u5358\u72ec\u3067\u306f\u554f\u984c\u306a\u304f\u3066\u3082\u3001\u7279\u5b9a\u6761\u4ef6\u3067\u91cd\u306a\u308a\u5408\u3046\u3068\u969c\u5bb3\u304c\u5897\u5e45\u3055\u308c\u308b\u3002Ubuntu 26.04 \u3067\u3044\u3048\u3070\u3001Wayland \u5316\u3068 GPU \u30c9\u30e9\u30a4\u30d0\u3001OpenSSH \u306e\u6697\u53f7\u66f4\u65b0\u3068\u53e4\u3044\u81ea\u52d5\u5316\u3001APT 3 \u3068\u53e4\u3044\u9375\u7ba1\u7406\u624b\u9806\u3001systemd 259 \u3068 System V \u30b9\u30af\u30ea\u30d7\u30c8\u3001Chrony \u65e2\u5b9a\u5316\u3068\u65e2\u5b58\u306e\u624b\u66f8\u304d\u8a2d\u5b9a\u306a\u3069\u306f\u3001\u3044\u305a\u308c\u3082\u5358\u72ec\u3088\u308a\u7d50\u5408\u6642\u306b\u554f\u984c\u304c\u9855\u5728\u5316\u3057\u3084\u3059\u3044<a class=\"ref\" href=\"#ref17\">[17]<\/a><a class=\"ref\" href=\"#ref18\">[18]<\/a><a class=\"ref\" href=\"#ref20\">[20]<\/a>\u3002<\/p>\n<p>\u3057\u305f\u304c\u3063\u3066\u3001\u79fb\u884c\u6642\u306b\u672c\u5f53\u306b\u5fc5\u8981\u306a\u306e\u306f\u300c\u5909\u66f4\u70b9\u4e00\u89a7\u306e\u6697\u8a18\u300d\u3067\u306f\u306a\u3044\u3002\u3069\u306e\u5c64\u304c\u5909\u308f\u308a\u3001\u305d\u306e\u5c64\u304c\u3069\u306e\u65e2\u5b58\u8cc7\u7523\u3068\u7d50\u5408\u3057\u3066\u3044\u308b\u304b\u3092\u5148\u306b\u8aad\u3080\u3053\u3068\u3067\u3042\u308b\u3002\u3053\u308c\u304c\u3067\u304d\u308c\u3070\u3001Ubuntu 26.04 \u306f\u6271\u3044\u306b\u304f\u3044 OS \u3067\u306f\u306a\u304f\u3001\u3069\u3053\u306b\u632f\u52d5\u6e90\u304c\u3042\u308b\u304b\u6bd4\u8f03\u7684\u660e\u793a\u3055\u308c\u305f OS \u3068\u3057\u3066\u8aad\u3081\u308b\u3002<\/p>\n<table>\n<thead>\n<tr>\n<th>\u89b3\u70b9<\/th>\n<th>Debian<\/th>\n<th>Ubuntu 26.04<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u632f\u52d5\u6e90<\/td>\n<td>\u610f\u56f3\u7684\u306b\u5c11\u306a\u304f\u4fdd\u3064<\/td>\n<td>\u8907\u6570\u5c64\u306e\u5909\u5316\u3092\u53d6\u308a\u8fbc\u3080<\/td>\n<\/tr>\n<tr>\n<td>\u6e1b\u8870\u306e\u8a2d\u8a08<\/td>\n<td>stable \u671f\u9593\u4e2d\u306e\u56fa\u5b9a\u6027\u3067\u6291\u3048\u308b<\/td>\n<td>LTS\u3001\u4e92\u63db\u5c64\u3001\u6bb5\u968e\u7684\u79fb\u884c\u3067\u6291\u3048\u308b<\/td>\n<\/tr>\n<tr>\n<td>\u969c\u5bb3\u306e\u51fa\u65b9<\/td>\n<td>\u6df7\u5728\u3084\u9038\u8131\u3067\u767a\u751f\u3057\u3084\u3059\u3044<\/td>\n<td>\u7d50\u5408\u9805\u304c\u5927\u304d\u3044\u3068\u304d\u306b\u5171\u632f\u3057\u3084\u3059\u3044<\/td>\n<\/tr>\n<tr>\n<td>\u9069\u3057\u305f\u74b0\u5883<\/td>\n<td>\u518d\u73fe\u6027\u91cd\u8996\u3001\u9577\u671f\u56fa\u5b9a<\/td>\n<td>\u73fe\u4ee3\u6027\u91cd\u8996\u3001\u591a\u69d8\u306a\u5468\u8fba\u6761\u4ef6<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<hr>\n<h2>9. \u7d50\u8ad6<\/h2>\n<p>Ubuntu 26.04 LTS \u306f\u3001\u65b0\u3057\u3044\u30a2\u30d7\u30ea\u304c\u5897\u3048\u305f Ubuntu \u3067\u306f\u306a\u3044\u3002\u30c7\u30b9\u30af\u30c8\u30c3\u30d7\u3067\u306f GNOME 50\u3001Wayland \u5c02\u7528\u5316\u3001Papers\u3001Loupe\u3001Ptyxis\u3001Security Center\u3001ARM64 ISO\u3001BitLocker \u5171\u5b58\u6539\u5584\u306a\u3069\u304c\u5165\u308a\u3001\u30b5\u30fc\u30d0\u30fc\u3067\u306f OpenSSH 1:10 \u7cfb\u3001Chrony \u65e2\u5b9a\u5316\u3001Dracut\u3001systemd 259\u3001APT 3\u3001Netplan 1.2 \u306a\u3069\u304c\u5165\u308a\u3001\u5168\u4f53\u3068\u3057\u3066 OS \u306e\u57fa\u790e\u5c64\u304c\u304b\u306a\u308a\u6574\u7406\u3055\u308c\u3066\u3044\u308b<a class=\"ref\" href=\"#ref5\">[5]<\/a><a class=\"ref\" href=\"#ref6\">[6]<\/a><a class=\"ref\" href=\"#ref7\">[7]<\/a><a class=\"ref\" href=\"#ref8\">[8]<\/a><a class=\"ref\" href=\"#ref17\">[17]<\/a><a class=\"ref\" href=\"#ref18\">[18]<\/a><a class=\"ref\" href=\"#ref19\">[19]<\/a>\u3002<\/p>\n<p>\u305d\u306e\u305f\u3081\u3001\u79fb\u884c\u6642\u306b\u306f\u300c\u524d\u3068\u540c\u3058\u3088\u3046\u306b\u4f7f\u3048\u308b\u304b\u300d\u3088\u308a\u3001\u300c\u4f55\u304c\u6a19\u6e96\u3067\u3001\u4f55\u304c\u4e92\u63db\u5c64\u306b\u5f8c\u9000\u3057\u305f\u304b\u300d\u3092\u898b\u6975\u3081\u308b\u5fc5\u8981\u304c\u3042\u308b\u3002\u30c7\u30b9\u30af\u30c8\u30c3\u30d7\u3067\u306f X11 \u3088\u308a Wayland \u304c\u6a19\u6e96\u306b\u306a\u308a\u3001\u30b5\u30fc\u30d0\u30fc\u3067\u306f old-school \u306a\u904b\u7528\u524d\u63d0\u304c\u3055\u3089\u306b\u7e2e\u5c0f\u3057\u305f\u3002\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u8981\u4ef6\u3082\u660e\u78ba\u5316\u3055\u308c\u3066\u3044\u308b<a class=\"ref\" href=\"#ref9\">[9]<\/a><a class=\"ref\" href=\"#ref22\">[22]<\/a><a class=\"ref\" href=\"#ref23\">[23]<\/a>\u3002<\/p>\n<p>\u305d\u3057\u3066 Debian \u3068\u306e\u6700\u3082\u91cd\u8981\u306a\u5dee\u306f\u3001\u3084\u306f\u308a\u6642\u9593\u306e\u6271\u3044\u65b9\u306b\u3042\u308b\u3002Debian \u306f\u5358\u4e00\u6642\u9593\u8ef8\u306b\u8fd1\u3044 stable \u3092\u4fdd\u3064\u3053\u3068\u3067\u9759\u7684\u5e73\u8861\u3092\u5f97\u308b\u3002Ubuntu \u306f\u8907\u6570\u5c64\u306e\u5909\u5316\u3092\u53d6\u308a\u8fbc\u307f\u306a\u304c\u3089\u3001LTS \u3068\u3044\u3046\u67a0\u3067\u52d5\u7684\u5e73\u8861\u3092\u4f5c\u308b\u3002\u69cb\u9020\u632f\u52d5\u30e2\u30c7\u30eb\u3067\u8a00\u3048\u3070\u3001Debian \u306f\u632f\u52d5\u3092\u306a\u308b\u3079\u304f\u6d88\u3059\u8a2d\u8a08\u3067\u3042\u308a\u3001Ubuntu \u306f\u632f\u52d5\u3092\u5236\u5fa1\u3057\u306a\u304c\u3089\u5b9f\u7528\u72b6\u614b\u3092\u4fdd\u3064\u8a2d\u8a08\u3067\u3042\u308b<a class=\"ref\" href=\"#ref2\">[2]<\/a><a class=\"ref\" href=\"#ref24\">[24]<\/a><a class=\"ref\" href=\"#ref25\">[25]<\/a>\u3002<\/p>\n<p>\u3053\u306e\u89b3\u70b9\u306b\u7acb\u3064\u3068\u3001\u3069\u3061\u3089\u304c\u7d76\u5bfe\u306b\u512a\u308c\u3066\u3044\u308b\u304b\u3068\u3044\u3046\u554f\u3044\u306f\u3042\u307e\u308a\u751f\u7523\u7684\u3067\u306f\u306a\u3044\u3002\u518d\u73fe\u6027\u3001\u9759\u3051\u3055\u3001\u56fa\u5b9a\u6027\u3092\u91cd\u8996\u3059\u308b\u306a\u3089 Debian \u304c\u5f37\u3044\u3002\u65b0\u3057\u3044\u57fa\u76e4\u3001\u65b0\u3057\u3044\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u3001\u30c7\u30b9\u30af\u30c8\u30c3\u30d7\u3084\u30af\u30e9\u30a6\u30c9\u306e\u73fe\u5728\u9032\u884c\u5f62\u306e\u5909\u5316\u306b\u8ffd\u968f\u3057\u305f\u3044\u306a\u3089 Ubuntu 26.04 \u304c\u5f37\u3044\u3002\u91cd\u8981\u306a\u306e\u306f\u3001\u81ea\u5206\u306e\u7cfb\u304c\u3069\u306e\u7a0b\u5ea6\u306e\u632f\u52d5\u3092\u8a31\u5bb9\u3067\u304d\u308b\u304b\u3001\u305d\u306e\u632f\u52d5\u3092\u3069\u306e\u3088\u3046\u306a\u6e1b\u8870\u3067\u6271\u3044\u305f\u3044\u304b\u3092\u5148\u306b\u5b9a\u7fa9\u3059\u308b\u3053\u3068\u3067\u3042\u308b\u3002OS \u9078\u629e\u3068\u306f\u3001\u7d50\u5c40\u306e\u3068\u3053\u308d\u3001\u6642\u9593\u306e\u9078\u629e\u3060\u304b\u3089\u3067\u3042\u308b\u3002<\/p>\n<table>\n<thead>\n<tr>\n<th>\u89b3\u70b9<\/th>\n<th>Debian \u304c\u9069\u3059\u308b\u5834\u5408<\/th>\n<th>Ubuntu 26.04 \u304c\u9069\u3059\u308b\u5834\u5408<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u6642\u9593\u69cb\u9020<\/td>\n<td>\u5358\u4e00\u6642\u9593\u8ef8\u3067\u56fa\u5b9a\u3057\u305f\u3044<\/td>\n<td>\u5909\u5316\u3092\u53d6\u308a\u8fbc\u307f\u3064\u3064\u5236\u5fa1\u3057\u305f\u3044<\/td>\n<\/tr>\n<tr>\n<td>\u5b89\u5b9a\u6027\u306e\u610f\u5473<\/td>\n<td>\u5909\u5316\u304c\u5c11\u306a\u3044\u3053\u3068<\/td>\n<td>\u5909\u5316\u3057\u3066\u3082\u7834\u7dbb\u3057\u306a\u3044\u3053\u3068<\/td>\n<\/tr>\n<tr>\n<td>\u30c7\u30b9\u30af\u30c8\u30c3\u30d7<\/td>\n<td>X11 \u3084\u5f93\u6765\u69cb\u6210\u3092\u7dad\u6301\u3057\u305f\u3044<\/td>\n<td>Wayland \u3092\u524d\u63d0\u306b\u904b\u7528\u3057\u305f\u3044<\/td>\n<\/tr>\n<tr>\n<td>\u30b5\u30fc\u30d0\u30fc\u904b\u7528<\/td>\n<td>\u9577\u671f\u56fa\u5b9a\u30fb\u518d\u73fe\u6027\u91cd\u8996<\/td>\n<td>\u65b0\u6a5f\u80fd\u30fb\u65b0\u30cf\u30fc\u30c9\u5bfe\u5fdc\u3092\u512a\u5148<\/td>\n<\/tr>\n<tr>\n<td>\u5909\u5316\u3078\u306e\u59ff\u52e2<\/td>\n<td>\u5909\u5316\u3092\u6291\u5236\u3059\u308b<\/td>\n<td>\u5909\u5316\u3092\u5236\u5fa1\u3059\u308b<\/td>\n<\/tr>\n<tr>\n<td>\u69cb\u9020\u632f\u52d5\u30e2\u30c7\u30eb<\/td>\n<td>\u632f\u52d5\u3092\u6e1b\u8870\u30fb\u6392\u9664\u3059\u308b\u8a2d\u8a08<\/td>\n<td>\u632f\u52d5\u3092\u8a31\u5bb9\u3057\u5236\u5fa1\u3059\u308b\u8a2d\u8a08<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<hr>\n<h2>\u53c2\u8003\u6587\u732e<\/h2>\n<ol class=\"references refs\">\n<li id=\"ref1\">Ubuntu 26.04 LTS release notes. <a href=\"https:\/\/documentation.ubuntu.com\/release-notes\/26.04\/\">https:\/\/documentation.ubuntu.com\/release-notes\/26.04\/<\/a><\/li>\n<li id=\"ref2\">Ubuntu 26.04 LTS summary &#8211; Ubuntu release notes. <a href=\"https:\/\/documentation.ubuntu.com\/release-notes\/26.04\/summary-for-lts-users\/\">https:\/\/documentation.ubuntu.com\/release-notes\/26.04\/summary-for-lts-users\/<\/a><\/li>\n<li id=\"ref3\">Ubuntu Resolute Raccoon Release Schedule. <a href=\"https:\/\/documentation.ubuntu.com\/release-notes\/26.04\/schedule\/\">https:\/\/documentation.ubuntu.com\/release-notes\/26.04\/schedule\/<\/a><\/li>\n<li id=\"ref4\">Linux kernel 7.0 &#8211; Ubuntu 26.04 LTS summary. <a href=\"https:\/\/documentation.ubuntu.com\/release-notes\/26.04\/summary-for-lts-users\/#linux-kernel-7-0\">https:\/\/documentation.ubuntu.com\/release-notes\/26.04\/summary-for-lts-users\/#linux-kernel-7-0<\/a><\/li>\n<li id=\"ref5\">systemd 259 &#8211; Ubuntu 26.04 LTS summary. <a href=\"https:\/\/documentation.ubuntu.com\/release-notes\/26.04\/summary-for-lts-users\/#systemd-259\">https:\/\/documentation.ubuntu.com\/release-notes\/26.04\/summary-for-lts-users\/#systemd-259<\/a><\/li>\n<li id=\"ref6\">Package Management: APT 3 &#8211; Ubuntu 26.04 LTS summary. <a href=\"https:\/\/documentation.ubuntu.com\/release-notes\/26.04\/summary-for-lts-users\/#package-management-apt-3\">https:\/\/documentation.ubuntu.com\/release-notes\/26.04\/summary-for-lts-users\/#package-management-apt-3<\/a><\/li>\n<li id=\"ref7\">Dracut &#8211; Ubuntu 26.04 LTS summary. <a href=\"https:\/\/documentation.ubuntu.com\/release-notes\/26.04\/summary-for-lts-users\/#dracut\">https:\/\/documentation.ubuntu.com\/release-notes\/26.04\/summary-for-lts-users\/#dracut<\/a><\/li>\n<li id=\"ref8\">GNOME 50 &#8211; Ubuntu 26.04 LTS summary. <a href=\"https:\/\/documentation.ubuntu.com\/release-notes\/26.04\/summary-for-lts-users\/#gnome-50\">https:\/\/documentation.ubuntu.com\/release-notes\/26.04\/summary-for-lts-users\/#gnome-50<\/a><\/li>\n<li id=\"ref9\">Wayland session &#8211; Ubuntu 26.04 LTS summary. <a href=\"https:\/\/documentation.ubuntu.com\/release-notes\/26.04\/summary-for-lts-users\/#wayland-session\">https:\/\/documentation.ubuntu.com\/release-notes\/26.04\/summary-for-lts-users\/#wayland-session<\/a><\/li>\n<li id=\"ref10\">New document viewer &#8211; Ubuntu 26.04 LTS summary. <a href=\"https:\/\/documentation.ubuntu.com\/release-notes\/26.04\/summary-for-lts-users\/#new-document-viewer\">https:\/\/documentation.ubuntu.com\/release-notes\/26.04\/summary-for-lts-users\/#new-document-viewer<\/a><\/li>\n<li id=\"ref11\">New image viewer &#8211; Ubuntu 26.04 LTS summary. <a href=\"https:\/\/documentation.ubuntu.com\/release-notes\/26.04\/summary-for-lts-users\/#new-image-viewer\">https:\/\/documentation.ubuntu.com\/release-notes\/26.04\/summary-for-lts-users\/#new-image-viewer<\/a><\/li>\n<li id=\"ref12\">New terminal emulator &#8211; Ubuntu 26.04 LTS summary. <a href=\"https:\/\/documentation.ubuntu.com\/release-notes\/26.04\/summary-for-lts-users\/#new-terminal-emulator\">https:\/\/documentation.ubuntu.com\/release-notes\/26.04\/summary-for-lts-users\/#new-terminal-emulator<\/a><\/li>\n<li id=\"ref13\">App Center enhancements &#8211; Ubuntu 26.04 LTS summary. <a href=\"https:\/\/documentation.ubuntu.com\/release-notes\/26.04\/summary-for-lts-users\/#app-center-enhancements\">https:\/\/documentation.ubuntu.com\/release-notes\/26.04\/summary-for-lts-users\/#app-center-enhancements<\/a><\/li>\n<li id=\"ref14\">Security Center \/ Permission prompting &#8211; Ubuntu 26.04 LTS summary. <a href=\"https:\/\/documentation.ubuntu.com\/release-notes\/26.04\/summary-for-lts-users\/#security-center\">https:\/\/documentation.ubuntu.com\/release-notes\/26.04\/summary-for-lts-users\/#security-center<\/a><\/li>\n<li id=\"ref15\">New ARM64 Desktop image &#8211; Ubuntu 26.04 LTS summary. <a href=\"https:\/\/documentation.ubuntu.com\/release-notes\/26.04\/summary-for-lts-users\/#new-arm64-desktop-image\">https:\/\/documentation.ubuntu.com\/release-notes\/26.04\/summary-for-lts-users\/#new-arm64-desktop-image<\/a><\/li>\n<li id=\"ref16\">Dual boot enhancements &#8211; Ubuntu 26.04 LTS summary. <a href=\"https:\/\/documentation.ubuntu.com\/release-notes\/26.04\/summary-for-lts-users\/#dual-boot-enhancements\">https:\/\/documentation.ubuntu.com\/release-notes\/26.04\/summary-for-lts-users\/#dual-boot-enhancements<\/a><\/li>\n<li id=\"ref17\">OpenSSH &#8211; Ubuntu 26.04 LTS summary. <a href=\"https:\/\/documentation.ubuntu.com\/release-notes\/26.04\/summary-for-lts-users\/#openssh\">https:\/\/documentation.ubuntu.com\/release-notes\/26.04\/summary-for-lts-users\/#openssh<\/a><\/li>\n<li id=\"ref18\">Chrony &#8211; Ubuntu 26.04 LTS summary. <a href=\"https:\/\/documentation.ubuntu.com\/release-notes\/26.04\/summary-for-lts-users\/#chrony\">https:\/\/documentation.ubuntu.com\/release-notes\/26.04\/summary-for-lts-users\/#chrony<\/a><\/li>\n<li id=\"ref19\">Netplan 1.2 &#8211; Ubuntu 26.04 LTS summary. <a href=\"https:\/\/documentation.ubuntu.com\/release-notes\/26.04\/summary-for-lts-users\/#netplan-1-2\">https:\/\/documentation.ubuntu.com\/release-notes\/26.04\/summary-for-lts-users\/#netplan-1-2<\/a><\/li>\n<li id=\"ref20\">Package Management: APT 3 &#8211; apt-key removal noted in Ubuntu 26.04 LTS summary. <a href=\"https:\/\/documentation.ubuntu.com\/release-notes\/26.04\/summary-for-lts-users\/#package-management-apt-3\">https:\/\/documentation.ubuntu.com\/release-notes\/26.04\/summary-for-lts-users\/#package-management-apt-3<\/a><\/li>\n<li id=\"ref21\">Ubuntu 26.04 LTS release notes &#8211; Requirements and compatibility. <a href=\"https:\/\/documentation.ubuntu.com\/release-notes\/26.04\/#requirements-and-compatibility\">https:\/\/documentation.ubuntu.com\/release-notes\/26.04\/#requirements-and-compatibility<\/a><\/li>\n<li id=\"ref22\">New RISC-V requirements &#8211; Ubuntu 26.04 LTS summary. <a href=\"https:\/\/documentation.ubuntu.com\/release-notes\/26.04\/summary-for-lts-users\/#new-risc-v-requirements\">https:\/\/documentation.ubuntu.com\/release-notes\/26.04\/summary-for-lts-users\/#new-risc-v-requirements<\/a><\/li>\n<li id=\"ref23\">IBM Z requirements raised to z15 &#8211; Ubuntu 26.04 LTS summary. <a href=\"https:\/\/documentation.ubuntu.com\/release-notes\/26.04\/summary-for-lts-users\/#ibm-z-requirements-raised-to-z15\">https:\/\/documentation.ubuntu.com\/release-notes\/26.04\/summary-for-lts-users\/#ibm-z-requirements-raised-to-z15<\/a><\/li>\n<li id=\"ref24\">Debian Reference, Chapter 2. Debian package management. <a href=\"https:\/\/www.debian.org\/doc\/manuals\/debian-reference\/ch02.en.html\">https:\/\/www.debian.org\/doc\/manuals\/debian-reference\/ch02.en.html<\/a><\/li>\n<li id=\"ref25\">Debian Handbook, 1.6. Lifecycle of a Release. <a href=\"https:\/\/debian-handbook.info\/browse\/stable\/sect.release-lifecycle.html\">https:\/\/debian-handbook.info\/browse\/stable\/sect.release-lifecycle.html<\/a><\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"<p>Ubuntu 26.04 LTS \u306f\u3001\u898b\u305f\u76ee\u306e\u5909\u66f4\u3060\u3051\u3092\u8ffd\u3046\u3068 GNOME 50 \u3084\u65b0\u3057\u3044\u30a2\u30d7\u30ea\u7fa4\u304c\u76ee\u306b\u5165\u308a\u3084\u3059\u3044\u304c\u3001\u672c\u8cea\u306f\u305d\u3053\u3067\u306f\u306a\u3044\u3002\u4eca\u56de\u306e LTS \u306f\u3001Linux kernel 7.0\u3001systemd 259\u3001AP &#8230; <a title=\"Ubuntu 26.04 LTS \u306e\u8a2d\u8a08\u3068\u904b\u7528\u5224\u65ad\" class=\"read-more\" href=\"https:\/\/blog.id774.net\/entry\/2026\/04\/12\/4406\/\" aria-label=\"Ubuntu 26.04 LTS \u306e\u8a2d\u8a08\u3068\u904b\u7528\u5224\u65ad \u306b\u3064\u3044\u3066\u3055\u3089\u306b\u8aad\u3080\">\u7d9a\u304d\u3092\u8aad\u3080<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[26,14],"tags":[],"class_list":["post-4406","post","type-post","status-publish","format-standard","hentry","category-math","category-tech"],"_links":{"self":[{"href":"https:\/\/blog.id774.net\/entry\/wp-json\/wp\/v2\/posts\/4406","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.id774.net\/entry\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.id774.net\/entry\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.id774.net\/entry\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.id774.net\/entry\/wp-json\/wp\/v2\/comments?post=4406"}],"version-history":[{"count":9,"href":"https:\/\/blog.id774.net\/entry\/wp-json\/wp\/v2\/posts\/4406\/revisions"}],"predecessor-version":[{"id":4430,"href":"https:\/\/blog.id774.net\/entry\/wp-json\/wp\/v2\/posts\/4406\/revisions\/4430"}],"wp:attachment":[{"href":"https:\/\/blog.id774.net\/entry\/wp-json\/wp\/v2\/media?parent=4406"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.id774.net\/entry\/wp-json\/wp\/v2\/categories?post=4406"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.id774.net\/entry\/wp-json\/wp\/v2\/tags?post=4406"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}