{"id":506,"date":"2026-07-08T20:21:23","date_gmt":"2026-07-08T11:21:23","guid":{"rendered":"https:\/\/www.marchboy.xyz\/wordpress\/archives\/506"},"modified":"2026-07-08T20:21:23","modified_gmt":"2026-07-08T11:21:23","slug":"%e6%99%82%e5%88%bb%e5%90%8c%e6%9c%9f%e3%81%aechrony%e5%be%b9%e5%ba%95%e8%a7%a3%e8%aa%ac","status":"publish","type":"post","link":"https:\/\/www.marchboy.xyz\/wordpress\/archives\/506","title":{"rendered":"\u6642\u523b\u540c\u671f\u306eChrony\u5fb9\u5e95\u89e3\u8aac"},"content":{"rendered":"<h2>Chrony\u3068\u306f<\/h2>\n<p>Chrony\u306f\u3001Linux\u30b7\u30b9\u30c6\u30e0\u3067\u6b63\u78ba\u306a\u6642\u523b\u540c\u671f\u3092\u5b9f\u73fe\u3059\u308b\u305f\u3081\u306e\u30c7\u30fc\u30e2\u30f3\u3067\u3059\u3002NTP\uff08Network Time Protocol\uff09\u306b\u57fa\u3065\u304d\u3064\u3064\u3001\u5f93\u6765\u306entpd\u3088\u308a\u3082\u9ad8\u901f\u304b\u3064\u67d4\u8edf\u306b\u52d5\u4f5c\u3057\u307e\u3059\u3002<\/p>\n<h2>\u4e3b\u306a\u7279\u5fb4<\/h2>\n<ul>\n<li><strong>\u9ad8\u901f\u306a\u540c\u671f<\/strong>\uff1a\u30b7\u30b9\u30c6\u30e0\u8d77\u52d5\u76f4\u5f8c\u3084\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u304c\u4e0d\u5b89\u5b9a\u306a\u74b0\u5883\u3067\u3082\u77ed\u6642\u9593\u3067\u6b63\u78ba\u306a\u6642\u523b\u306b\u5408\u308f\u305b\u3089\u308c\u307e\u3059\u3002<\/li>\n<li><strong>\u4f4e\u6d88\u8cbb\u96fb\u529b<\/strong>\uff1a\u5fc5\u8981\u306a\u3068\u304d\u3060\u3051\u30b5\u30fc\u30d0\u30fc\u306b\u554f\u3044\u5408\u308f\u305b\u3001\u30a2\u30a4\u30c9\u30eb\u6642\u306f\u901a\u4fe1\u3092\u6700\u5c0f\u9650\u306b\u6291\u3048\u307e\u3059\u3002<\/li>\n<li><strong>\u30aa\u30d5\u30e9\u30a4\u30f3\u52d5\u4f5c<\/strong>\uff1a\u30ed\u30fc\u30ab\u30eb\u306e\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u30af\u30ed\u30c3\u30af\u3084\u904e\u53bb\u306e\u6e2c\u5b9a\u30c7\u30fc\u30bf\u3092\u6d3b\u7528\u3057\u3001\u5916\u90e8\u30b5\u30fc\u30d0\u30fc\u304c\u5229\u7528\u3067\u304d\u306a\u3044\u6642\u306b\u3082\u6642\u523b\u3092\u7dad\u6301\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n<h2>\u57fa\u672c\u7684\u306a\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3068\u8a2d\u5b9a<\/h2>\n<h3>\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb<\/h3>\n<pre><code>sudo apt update\nsudo apt install chrony\n<\/code><\/pre>\n<h3>\u8a2d\u5b9a\u30d5\u30a1\u30a4\u30eb\u306e\u30dd\u30a4\u30f3\u30c8<\/h3>\n<p>\/etc\/chrony\/chrony.conf \u3092\u7de8\u96c6\u3057\u307e\u3059\u3002\u4e3b\u306a\u30c7\u30a3\u30ec\u30af\u30c6\u30a3\u30d6\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\u3002<\/p>\n<pre><code># NTP\u30b5\u30fc\u30d0\u30fc\u306e\u6307\u5b9a\nserver ntp.nict.jp iburst\n\n# \u30ed\u30fc\u30ab\u30eb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u304b\u3089\u306e\u30a2\u30af\u30bb\u30b9\u8a31\u53ef\nallow 192.168.0.0\/16\n\n# \u6642\u523b\u306e\u8a18\u9332\u8a2d\u5b9a\nlog tracking measurements statistics\n<\/code><\/pre>\n<h2>\u30b5\u30fc\u30d3\u30b9\u306e\u7ba1\u7406<\/h2>\n<ul>\n<li>\u8d77\u52d5\u30fb\u6709\u52b9\u5316: <code>sudo systemctl enable --now chronyd<\/code><\/li>\n<li>\u72b6\u614b\u78ba\u8a8d: <code>chronyc tracking<\/code><\/li>\n<li>\u540c\u671f\u30b5\u30fc\u30d0\u30fc\u4e00\u89a7: <code>chronyc sources -v<\/code><\/li>\n<\/ul>\n<h2>\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u306e\u30d2\u30f3\u30c8<\/h2>\n<ul>\n<li>\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u3067UDP 123\u304c\u30d6\u30ed\u30c3\u30af\u3055\u308c\u3066\u3044\u306a\u3044\u304b\u78ba\u8a8d\u3059\u308b\u3002<\/li>\n<li>systemd \u306e\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u8a2d\u5b9a\u304c\u539f\u56e0\u3067\u8d77\u52d5\u304c\u9045\u308c\u308b\u3053\u3068\u304c\u3042\u308b\u3002<\/li>\n<li>chronyd \u306e\u30ed\u30b0\u3092 <code>\/var\/log\/chrony<\/code> \u3067\u78ba\u8a8d\u3057\u3001\u30a8\u30e9\u30fc\u30b3\u30fc\u30c9\u3092\u691c\u7d22\u3059\u308b\u3002<\/li>\n<\/ul>\n<h2>\u307e\u3068\u3081<\/h2>\n<p>Chrony\u306f\u3001\u5f93\u6765\u306e <strong>ntpd<\/strong> \u306b\u6bd4\u3079\u3066\u9ad8\u901f\u30fb\u9ad8\u7cbe\u5ea6\u30fb\u8efd\u91cf\u3068\u3044\u3046\u30e1\u30ea\u30c3\u30c8\u304c\u3042\u308a\u3001\u30b5\u30fc\u30d0\u30fc\u3060\u3051\u3067\u306a\u304f\u30c7\u30b9\u30af\u30c8\u30c3\u30d7\u3084\u7d44\u307f\u8fbc\u307f\u6a5f\u5668\u3067\u3082\u5e83\u304f\u5229\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u6b63\u3057\u3044\u8a2d\u5b9a\u3068\u5b9a\u671f\u7684\u306a\u78ba\u8a8d\u3092\u884c\u3046\u3053\u3068\u3067\u3001\u30b7\u30b9\u30c6\u30e0\u6642\u523b\u306e\u4fe1\u983c\u6027\u3092\u5927\u5e45\u306b\u5411\u4e0a\u3055\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Chrony\u3068\u306f Chrony\u306f\u3001Linux\u30b7\u30b9\u30c6\u30e0\u3067\u6b63\u78ba\u306a\u6642\u523b\u540c\u671f\u3092\u5b9f\u73fe\u3059\u308b\u305f\u3081\u306e\u30c7\u30fc\u30e2\u30f3\u3067\u3059\u3002NTP\uff08Network Time Protocol\uff09\u306b\u57fa\u3065\u304d\u3064\u3064\u3001\u5f93\u6765\u306entpd\u3088\u308a\u3082\u9ad8\u901f\u304b\u3064\u67d4\u8edf\u306b\u52d5\u4f5c\u3057\u307e\u3059\u3002 \u4e3b\u306a\u7279\u5fb4 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[15],"tags":[],"class_list":["post-506","post","type-post","status-publish","format-standard","hentry","category-linux"],"_links":{"self":[{"href":"https:\/\/www.marchboy.xyz\/wordpress\/wp-json\/wp\/v2\/posts\/506","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.marchboy.xyz\/wordpress\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.marchboy.xyz\/wordpress\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.marchboy.xyz\/wordpress\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.marchboy.xyz\/wordpress\/wp-json\/wp\/v2\/comments?post=506"}],"version-history":[{"count":0,"href":"https:\/\/www.marchboy.xyz\/wordpress\/wp-json\/wp\/v2\/posts\/506\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.marchboy.xyz\/wordpress\/wp-json\/wp\/v2\/media?parent=506"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.marchboy.xyz\/wordpress\/wp-json\/wp\/v2\/categories?post=506"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.marchboy.xyz\/wordpress\/wp-json\/wp\/v2\/tags?post=506"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}