{"id":669,"date":"2026-08-12T04:50:29","date_gmt":"2026-08-11T19:50:29","guid":{"rendered":"https:\/\/www.marchboy.xyz\/wordpress\/archives\/669"},"modified":"2026-08-12T04:50:29","modified_gmt":"2026-08-11T19:50:29","slug":"timedatectl%e3%81%a8%e3%81%af%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/www.marchboy.xyz\/wordpress\/archives\/669","title":{"rendered":"timedatectl\u3068\u306f\uff1f"},"content":{"rendered":"<h2>timedatectl\u3068\u306f<\/h2>\n<p><strong>timedatectl<\/strong>\u306f\u3001Linux \u306e <strong>systemd<\/strong> \u304c\u63d0\u4f9b\u3059\u308b\u30b3\u30de\u30f3\u30c9\u30e9\u30a4\u30f3\u30e6\u30fc\u30c6\u30a3\u30ea\u30c6\u30a3\u3067\u3001\u30b7\u30b9\u30c6\u30e0\u306e\u65e5\u6642\u3084\u30bf\u30a4\u30e0\u30be\u30fc\u30f3\u3001NTP\uff08\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u6642\u523b\u540c\u671f\uff09\u306e\u72b6\u614b\u3092\u7ba1\u7406\u30fb\u8868\u793a\u3057\u307e\u3059\u3002\u5f93\u6765\u306e <code>date<\/code> \u30b3\u30de\u30f3\u30c9\u3084 <code>hwclock<\/code> \u3068\u306f\u7570\u306a\u308a\u3001<code>systemd-timesyncd<\/code> \u3084 <code>chronyd<\/code> \u3068\u3044\u3063\u305f\u30b5\u30fc\u30d3\u30b9\u3068\u9023\u643a\u3057\u3001\u7d71\u4e00\u7684\u306a\u30a4\u30f3\u30bf\u30d5\u30a7\u30fc\u30b9\u3067\u6642\u523b\u95a2\u9023\u306e\u8a2d\u5b9a\u3092\u884c\u3048\u308b\u70b9\u304c\u7279\u5fb4\u3067\u3059\u3002<\/p>\n<h2>\u4e3b\u306a\u6a5f\u80fd<\/h2>\n<ul>\n<li>\u73fe\u5728\u306e\u30b7\u30b9\u30c6\u30e0\u6642\u523b\u3001\u30ed\u30fc\u30ab\u30eb\u30bf\u30a4\u30e0\u3068 UTC \u306e\u8868\u793a<\/li>\n<li>\u30bf\u30a4\u30e0\u30be\u30fc\u30f3\u306e\u78ba\u8a8d\u30fb\u5909\u66f4<\/li>\n<li>NTP \u30b5\u30fc\u30d3\u30b9\u306e\u6709\u52b9\u5316\u30fb\u7121\u52b9\u5316\u3001\u30b9\u30c6\u30fc\u30bf\u30b9\u78ba\u8a8d<\/li>\n<li>\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u30af\u30ed\u30c3\u30af\uff08RTC\uff09\u306e\u540c\u671f<\/li>\n<\/ul>\n<h2>\u57fa\u672c\u7684\u306a\u4f7f\u3044\u65b9<\/h2>\n<p>\u4ee5\u4e0b\u306b\u6700\u3082\u983b\u7e41\u306b\u4f7f\u7528\u3055\u308c\u308b\u30b5\u30d6\u30b3\u30de\u30f3\u30c9\u3092\u793a\u3057\u307e\u3059\u3002<\/p>\n<pre><code># \u73fe\u5728\u306e\u6642\u523b\u60c5\u5831\u3092\u8868\u793a\n$ timedatectl status\n\n# \u30bf\u30a4\u30e0\u30be\u30fc\u30f3\u3092\u5909\u66f4\uff08\u4f8b: Asia\/Tokyo\uff09\n$ sudo timedatectl set-timezone Asia\/Tokyo\n\n# NTP \u3092\u6709\u52b9\u5316\n$ sudo timedatectl set-ntp true\n\n# \u624b\u52d5\u3067\u6642\u523b\u3092\u8a2d\u5b9a\uff08\u4f8b: 2024-08-11 12:34:56\uff09\n$ sudo timedatectl set-time '2024-08-11 12:34:56'<\/code><\/pre>\n<h2>\u4e3b\u8981\u30aa\u30d7\u30b7\u30e7\u30f3\u3068\u30b5\u30d6\u30b3\u30de\u30f3\u30c9<\/h2>\n<ul>\n<li><strong>status<\/strong>\uff1a\u73fe\u5728\u306e\u6642\u523b\u8a2d\u5b9a\u3068 NTP \u72b6\u614b\u3092\u8868\u793a<\/li>\n<li><strong>set-timezone <em>ZONE<\/em><\/strong>\uff1a\u30bf\u30a4\u30e0\u30be\u30fc\u30f3\u3092 <em>ZONE<\/em> \u306b\u5909\u66f4<\/li>\n<li><strong>set-ntp <em>bool<\/em><\/strong>\uff1aNTP \u306e\u6709\u52b9\u5316 (<code>true<\/code>) \/ \u7121\u52b9\u5316 (<code>false<\/code>)<\/li>\n<li><strong>set-time <em>TIME<\/em><\/strong>\uff1a\u30b7\u30b9\u30c6\u30e0\u30af\u30ed\u30c3\u30af\u3092\u4efb\u610f\u306e\u6642\u523b\u306b\u8a2d\u5b9a<\/li>\n<li><strong>set-local-rtc <em>bool<\/em><\/strong>\uff1a\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u30af\u30ed\u30c3\u30af\u3092\u30ed\u30fc\u30ab\u30eb\u30bf\u30a4\u30e0(<code>true<\/code>)\u304b UTC(<code>false<\/code>)\u304b\u8a2d\u5b9a<\/li>\n<\/ul>\n<h2>\u6642\u523b\u540c\u671f\u3068 NTP<\/h2>\n<p>systemd \u306f\u5185\u90e8\u3067 <code>systemd-timesyncd<\/code> \u3068\u3044\u3046\u8efd\u91cf\u306a NTP \u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3092\u63d0\u4f9b\u3057\u3066\u3044\u307e\u3059\u3002<code>timedatectl set-ntp true<\/code> \u3068\u3059\u308b\u3068\u3001\u3053\u306e\u30b5\u30fc\u30d3\u30b9\u304c\u81ea\u52d5\u7684\u306b\u6709\u52b9\u5316\u3055\u308c\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u4e0a\u306e NTP \u30b5\u30fc\u30d0\u30fc\u3068\u6642\u523b\u3092\u540c\u671f\u3057\u307e\u3059\u3002\u65e2\u306b\u5225\u306e NTP \u30c7\u30fc\u30e2\u30f3\uff08<code>chrony<\/code> \u3084 <code>ntpd<\/code>\uff09\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u5834\u5408\u306f\u3001\u7af6\u5408\u3092\u9632\u3050\u305f\u3081\u306b <code>systemd-timesyncd<\/code> \u3092\u7121\u52b9\u5316\u3059\u308b\u3053\u3068\u304c\u63a8\u5968\u3055\u308c\u307e\u3059\u3002<\/p>\n<h2>\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u306e\u30dd\u30a4\u30f3\u30c8<\/h2>\n<ul>\n<li>\u30b5\u30fc\u30d3\u30b9\u72b6\u614b\u306e\u78ba\u8a8d\uff1a\n<pre><code>$ systemctl status systemd-timesyncd<\/code><\/pre>\n<\/li>\n<li>\u30ed\u30b0\u306e\u78ba\u8a8d\uff1a\n<pre><code>$ journalctl -u systemd-timesyncd<\/code><\/pre>\n<\/li>\n<li>\u30bf\u30a4\u30e0\u30be\u30fc\u30f3\u304c\u6b63\u3057\u304f\u53cd\u6620\u3055\u308c\u306a\u3044\u5834\u5408\u306f\u3001<code>\/etc\/localtime<\/code> \u306e\u30b7\u30f3\u30dc\u30ea\u30c3\u30af\u30ea\u30f3\u30af\u304c\u6b63\u3057\u3044\u304b\u78ba\u8a8d\u3059\u308b<\/li>\n<li>\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u30af\u30ed\u30c3\u30af\u304c UTC \u304b\u30ed\u30fc\u30ab\u30eb\u304b\u4e0d\u4e00\u81f4\u306e\u5834\u5408\u306f\u3001<code>timedatectl set-local-rtc false<\/code> \u3067\u7d71\u4e00\u3059\u308b<\/li>\n<\/ul>\n<h2>\u307e\u3068\u3081<\/h2>\n<p>timedatectl \u306f\u3001<strong>systemd<\/strong> \u74b0\u5883\u4e0b\u3067\u6642\u523b\u7ba1\u7406\u3092\u30b7\u30f3\u30d7\u30eb\u304b\u3064\u7d71\u4e00\u7684\u306b\u884c\u3048\u308b\u5f37\u529b\u306a\u30c4\u30fc\u30eb\u3067\u3059\u3002\u30bf\u30a4\u30e0\u30be\u30fc\u30f3\u5909\u66f4\u3084 NTP \u306e\u6709\u52b9\u5316\u306f\u6570\u884c\u306e\u30b3\u30de\u30f3\u30c9\u3067\u5b8c\u4e86\u3057\u3001\u30b7\u30b9\u30c6\u30e0\u5168\u4f53\u306e\u6642\u523b\u540c\u671f\u3092\u4e00\u5143\u7ba1\u7406\u3067\u304d\u307e\u3059\u3002Linux \u30b5\u30fc\u30d0\u3084\u30c7\u30b9\u30af\u30c8\u30c3\u30d7\u306e\u7ba1\u7406\u8005\u306f\u3001\u305c\u3072\u65e5\u5e38\u7684\u306b\u6d3b\u7528\u3057\u3066\u6b63\u78ba\u306a\u6642\u523b\u3092\u4fdd\u3061\u307e\u3057\u3087\u3046\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>timedatectl\u3068\u306f timedatectl\u306f\u3001Linux \u306e systemd \u304c\u63d0\u4f9b\u3059\u308b\u30b3\u30de\u30f3\u30c9\u30e9\u30a4\u30f3\u30e6\u30fc\u30c6\u30a3\u30ea\u30c6\u30a3\u3067\u3001\u30b7\u30b9\u30c6\u30e0\u306e\u65e5\u6642\u3084\u30bf\u30a4\u30e0\u30be\u30fc\u30f3\u3001NTP\uff08\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u6642\u523b\u540c\u671f\uff09\u306e\u72b6\u614b\u3092\u7ba1\u7406\u30fb\u8868\u793a\u3057\u307e\u3059\u3002\u5f93\u6765\u306e [&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-669","post","type-post","status-publish","format-standard","hentry","category-linux"],"_links":{"self":[{"href":"https:\/\/www.marchboy.xyz\/wordpress\/wp-json\/wp\/v2\/posts\/669","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=669"}],"version-history":[{"count":0,"href":"https:\/\/www.marchboy.xyz\/wordpress\/wp-json\/wp\/v2\/posts\/669\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.marchboy.xyz\/wordpress\/wp-json\/wp\/v2\/media?parent=669"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.marchboy.xyz\/wordpress\/wp-json\/wp\/v2\/categories?post=669"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.marchboy.xyz\/wordpress\/wp-json\/wp\/v2\/tags?post=669"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}