{"id":6509,"date":"2022-12-10T15:08:42","date_gmt":"2022-12-10T06:08:42","guid":{"rendered":"https:\/\/lab4ict.com\/system\/?p=6509"},"modified":"2023-04-23T18:04:30","modified_gmt":"2023-04-23T09:04:30","slug":"%e6%99%82%e5%88%bb%e5%90%8c%e6%9c%9f%e3%81%ae%e7%92%b0%e5%a2%83%e3%82%92%e6%a4%9c%e8%a8%8e%e3%81%99%e3%82%8b%ef%bc%81","status":"publish","type":"post","link":"https:\/\/lab4ict.com\/system\/archives\/6509","title":{"rendered":"\u6642\u523b\u540c\u671f\u306e\u74b0\u5883\u3092\u691c\u8a0e\u3059\u308b\uff01"},"content":{"rendered":"<p>\u6642\u523b\u540c\u671f\u306e\u74b0\u5883\u3092\u691c\u8a0e\u3057\u307e\u3059\u3002<br \/>\n<!--more--><\/p>\n<h2>\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u7528PC\u306e\u6642\u523b\u540c\u671f\u5148\u3092\u78ba\u8a8d\u3059\u308b\uff01<\/h2>\n<p>\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u7528PC\u306f\u3001\u4e00\u822c\u7684\u306bOS\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u6642\u306b\u81ea\u52d5\u7684\u306b\u6642\u523b\u540c\u671f\u306e\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u306b\u63a5\u7d9a\u3055\u308c\u3066\u3044\u308c\u3070\u3001\u7279\u306b\u8a2d\u5b9a\u4f5c\u696d\u3092\u3057\u306a\u304f\u3066\u3082\u6642\u523b\u540c\u671f\u3055\u308c\u307e\u3059\u3002<\/p>\n<h3>Windows\u306e\u6642\u523b\u540c\u671f\u306e\u8a2d\u5b9a\u3092\u78ba\u8a8d\u3059\u308b\uff01<\/h3>\n<p>Windows\u306e\u6642\u523b\u540c\u671f\u306f\u3001\u300c\u65e5\u4ed8\u3068\u6642\u523b\u300d\u306e\u8a2d\u5b9a\u3067\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002\u30c7\u30d5\u30a9\u30eb\u30c8\u306e\u6642\u523b\u540c\u671f\u5148\u306f\u3001\u4ee5\u4e0b\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<pre class=\"brush: plain; title: ; notranslate\" title=\"\">\r\ntime.windows.com\r\n<\/pre>\n<h3>macOS\u306e\u6642\u523b\u540c\u671f\u306e\u8a2d\u5b9a\u3092\u78ba\u8a8d\u3059\u308b\uff01<\/h3>\n<p>macOS\u306e\u6642\u523b\u540c\u671f\u306f\u3001\u30b7\u30b9\u30c6\u30e0\u74b0\u5883\u8a2d\u5b9a\u306e\u300c\u65e5\u4ed8\u3068\u6642\u523b\u300d\u306e\u8a2d\u5b9a\u3067\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002\u30c7\u30d5\u30a9\u30eb\u30c8\u306e\u6642\u523b\u540c\u671f\u5148\u306f\u3001\u4ee5\u4e0b\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<pre class=\"brush: plain; title: ; notranslate\" title=\"\">\r\ntime.apple.com\r\n<\/pre>\n<h3>Ubuntu Desktop\u306e\u6642\u523b\u540c\u671f\u306e\u8a2d\u5b9a\u3092\u78ba\u8a8d\u3059\u308b\uff01<\/h3>\n<p>ubuntu desktop\u3067\u306f\u3001systemd-timesyncd.service\u304c\u3001\u6642\u523b\u540c\u671f\u3092\u884c\u3063\u3066\u304a\u308a\u3001\u540c\u671f\u5148\u306f\u300cntp.ubuntu.com\u300d\u3067\u3059\u3002<\/p>\n<pre class=\"brush: plain; highlight: [1,7]; title: ; notranslate\" title=\"\">\r\n$ systemctl status systemd-timesyncd.service\r\n\u25cf systemd-timesyncd.service - Network Time Synchronization\r\n     Loaded: loaded (\/lib\/systemd\/system\/systemd-timesyncd.service; enabled; vendor preset: enabled)\r\n     Active: active (running) since Sat 2022-12-10 14:39:12 JST; 2min 13s ago\r\n       Docs: man:systemd-timesyncd.service(8)\r\n   Main PID: 646 (systemd-timesyn)\r\n     Status: &quot;Initial synchronization to time server 185.125.190.56:123 (ntp.ubuntu.com).&quot;\r\n      Tasks: 2 (limit: 18976)\r\n     Memory: 1.5M\r\n        CPU: 84ms\r\n     CGroup: \/system.slice\/systemd-timesyncd.service\r\n             \u2514\u2500646 \/lib\/systemd\/systemd-timesyncd\r\n<\/pre>\n<h2>\u30b5\u30fc\u30d0OS\u306e\u6642\u523b\u540c\u671f\u5148\u3092\u78ba\u8a8d\u3059\u308b\uff01<\/h2>\n<p>\u30b5\u30fc\u30d0OS\u306e\u6642\u523b\u540c\u671f\u5148\u306f\u3001\u901a\u5e38\u3001OS\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u6642\u306b\u8a2d\u5b9a\u6e08\u307f\u3067\u3059\u3002\u69cb\u7bc9\u3057\u305f\u30b5\u30fc\u30d0\u3067\u3001\u6642\u523b\u540c\u671f\u5148\u3092\u78ba\u8a8d\u3057\u3066\u307f\u307e\u3057\u305f\u3002<\/p>\n<h3>RHEL 8\u306e\u6642\u523b\u540c\u671f\u5148\u3092\u78ba\u8a8d\u3059\u308b\uff01<\/h3>\n<p>RHEL 8\u306e\u6642\u523b\u540c\u671f\u5148\u306f\u3001\u300c\u6642\u523b\u540c\u671f\u5148\u306f\u3001\u300c2.rhel.pool.ntp.org\u300d\u3067\u3057\u305f\u3002\u300d\u3067\u3057\u305f\u3002<\/p>\n<pre class=\"brush: plain; highlight: [1,4]; title: ; notranslate\" title=\"\">\r\n$ cat \/etc\/chrony.conf\r\n# Use public servers from the pool.ntp.org project.\r\n# Please consider joining the pool (http:\/\/www.pool.ntp.org\/join.html).\r\npool 2.rhel.pool.ntp.org iburst\r\n...\r\n<\/pre>\n<h3>Alma Linux 8\u306e\u6642\u523b\u540c\u671f\u5148\u3092\u78ba\u8a8d\u3059\u308b\uff01<\/h3>\n<p>Alma Linux 8\u306e\u6642\u523b\u540c\u671f\u5148\u306f\u3001\u300c2.cloudlinux.pool.ntp.org\u300d\u3067\u3057\u305f\u3002<\/p>\n<pre class=\"brush: plain; highlight: [1,4]; title: ; notranslate\" title=\"\">\r\n$ cat \/etc\/chrony.conf\r\n# Use public servers from the pool.ntp.org project.\r\n# Please consider joining the pool (http:\/\/www.pool.ntp.org\/join.html).\r\npool 2.cloudlinux.pool.ntp.org iburst\r\n...\r\n<\/pre>\n<h3>Rocky Linux 9\u306e\u6642\u523b\u540c\u671f\u5148\u3092\u78ba\u8a8d\u3059\u308b\uff01<\/h3>\n<p>Rocky Linux 9\u306e\u6642\u523b\u540c\u671f\u5148\u306f\u3001\u300c2.rocky.pool.ntp.org\u300d\u3067\u3057\u305f\u3002<\/p>\n<pre class=\"brush: plain; highlight: [1,4]; title: ; notranslate\" title=\"\">\r\n$ cat \/etc\/chrony.conf\r\n# Use public servers from the pool.ntp.org project.\r\n# Please consider joining the pool (https:\/\/www.pool.ntp.org\/join.html).\r\npool 2.rocky.pool.ntp.org iburst\r\n...\r\n<\/pre>\n<h2>\u643a\u5e2f\u7aef\u672b\u306e\u6642\u523b\u540c\u671f\u5148\u3092\u78ba\u8a8d\u3059\u308b\uff01<\/h2>\n<p>\u643a\u5e2f\u7aef\u672b\u3067\u306f\u3001\u30ad\u30e3\u30ea\u30a2\u56de\u7dda\u3067\u63a5\u7d9a\u3057\u3066\u3044\u308b\u5834\u5408\u306f\u3001NITZ\uff08Network Identity and Time Zone\uff09\u3068\u3044\u3046\u898f\u683c\u3092\u4f7f\u3063\u3066\u3001\u96fb\u8a71\u56de\u7dda\u7db2\u5185\u3067\u81ea\u52d5\u7684\u306b\u6642\u523b\u3092\u5408\u308f\u305b\u3066\u3044\u307e\u3059\u3002Wi-Fi\u56de\u7dda\u3067\u306f\u3001PC\u3068\u540c\u3058\u3088\u3046\u306bNTP\u3042\u308b\u3044\u306fGPS\u3067\u5408\u308f\u305b\u3066\u3044\u308b\u3088\u3046\u3067\u3059\u3002<\/p>\n<h2>\u516c\u958bNTP\u30b5\u30fc\u30d0\u3092\u78ba\u8a8d\u3059\u308b\uff01<\/h2>\n<p>NTP\u30b5\u30fc\u30d0\u3092\u81ea\u5206\u3067\u8a2d\u5b9a\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u5834\u5408\u306f\u3001\u4ee5\u4e0b\u306e\u65e5\u672c\u6a19\u6e96\u6642\u30b0\u30eb\u30fc\u30d7\uff08NICT\uff09\u306e\u516c\u958bNTP\u30b5\u30fc\u30d0\u3092\u5229\u7528\u3059\u308b\u306e\u304c\u304a\u3059\u3059\u3081\u3067\u3059\u3002<\/p>\n<ul>\n<li><a href=\"https:\/\/jjy.nict.go.jp\/tsp\/PubNtp\/index.html\" target=\"_blank\" rel=\"noopener\">\u65e5\u672c\u6a19\u6e96\u6642\u30b0\u30eb\u30fc\u30d7\uff08NICT\uff09<\/a><\/li>\n<\/ul>\n<p>\u63a5\u7d9a\u5148\u306eNTP\u30b5\u30fc\u30d0\u306f\u3001\u4ee5\u4e0b\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<pre class=\"brush: plain; title: ; notranslate\" title=\"\">\r\nntp.nict.jp\r\n<\/pre>\n<p>NICT\u3067\u306f\u3001\u30d3\u30b8\u30cd\u30b9\u7528\u306b\u300c\u30c6\u30ec\u30db\u30f3JJY\u300d\u3068\u3044\u3046\u30b5\u30fc\u30d3\u30b9\u3092\u63d0\u4f9b\u3057\u3066\u3044\u307e\u3059\u3002\u5bfe\u5fdc\u3057\u305f\u6a5f\u5668\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u5b89\u5b9a\u3057\u305f\u6642\u523b\u540c\u671f\u30b5\u30fc\u30d3\u30b9\u3092\u53d7\u3051\u308b\u3053\u3068\u3082\u53ef\u80fd\u3067\u3059\u3002<\/p>\n<h2>\u81ea\u524d\u3067NTP\u30b5\u30fc\u30d0\u3092\u69cb\u7bc9\u3059\u308b\uff01<\/h2>\n<p>\u81ea\u524d\u3067NTP\u30b5\u30fc\u30d0\u3092\u7acb\u3066\u3066\u3001\u3059\u3079\u3066\u305d\u306eNTP\u30b5\u30fc\u30d0\u3092\u53c2\u7167\u3059\u308b\u3088\u3046\u306b\u3059\u308b\u3068\u6642\u523b\u540c\u671f\u306e\u65b9\u6cd5\u3092\u3001\u81ea\u5206\u3067\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002\u81ea\u524d\u3067\u7acb\u3066\u305fNTP\u30b5\u30fc\u30d0\u306e\u6642\u523b\u540c\u671f\u5148\u306f\u3001\u4ee5\u4e0b\u3092\u5229\u7528\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<ul>\n<li>\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u4e0a\u306e\u516c\u958bNTP\u30b5\u30fc\u30d0<\/li>\n<li>GPS<\/li>\n<li>JJY\u306e\u6642\u5831\uff08\u96fb\u6ce2\u6642\u8a08\u7528\uff09<\/li>\n<\/ul>\n<p>\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u4e0a\u306e\u516c\u958bNTP\u306b\u540c\u671f\u3059\u308b\u306e\u304c\u697d\u3060\u3068\u601d\u3044\u307e\u3059\u304c\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u5f71\u97ff\u3092\u53d7\u3051\u3084\u3059\u306e\u3067\u3001\u6b63\u78ba\u3055\u3092\u5fc5\u8981\u3068\u3059\u308b\u5834\u5408\u306fGPS\u3084JJY\u306e\u6642\u5831\u306b\u5408\u308f\u305b\u308b\u306e\u304c\u3088\u3044\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n<h2>\u304a\u308f\u308a\u306b<\/h2>\n<p>\u6642\u523b\u540c\u671f\u306f\u3001\u30a4\u30f3\u30b9\u30fc\u30eb\u3057\u305fOS\u3067\u8a2d\u5b9a\u6e08\u307f\u306e\u5834\u5408\u304c\u591a\u3044\u3067\u3059\u304c\u3001\u81ea\u5206\u3067\u8a2d\u5b9a\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u5834\u5408\u306f\u3001\u516c\u958bNTP\u30b5\u30fc\u30d0\u3092\u5229\u7528\u3059\u308b\u306e\u304c\u3088\u3044\u3067\u3057\u3087\u3046\u3002\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u306b\u63a5\u7d9a\u3067\u304d\u306a\u3044\u74b0\u5883\u3067\u306f\u3001GPS\u3084JJY\u306e\u6642\u5831\uff08\u96fb\u6ce2\u6642\u8a08\u7528\uff09\u3092\u5229\u7528\u3057\u3066\u3001\u81ea\u5206\u3067NTP\u30b5\u30fc\u30d0\u3092\u7acb\u3066\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6642\u523b\u540c\u671f\u306e\u74b0\u5883\u3092\u691c\u8a0e\u3057\u307e\u3059\u3002<\/p>\n","protected":false},"author":1,"featured_media":642,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[175],"tags":[],"class_list":["post-6509","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-lab4ict"],"_links":{"self":[{"href":"https:\/\/lab4ict.com\/system\/wp-json\/wp\/v2\/posts\/6509","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lab4ict.com\/system\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lab4ict.com\/system\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lab4ict.com\/system\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/lab4ict.com\/system\/wp-json\/wp\/v2\/comments?post=6509"}],"version-history":[{"count":1,"href":"https:\/\/lab4ict.com\/system\/wp-json\/wp\/v2\/posts\/6509\/revisions"}],"predecessor-version":[{"id":10480,"href":"https:\/\/lab4ict.com\/system\/wp-json\/wp\/v2\/posts\/6509\/revisions\/10480"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/lab4ict.com\/system\/wp-json\/wp\/v2\/media\/642"}],"wp:attachment":[{"href":"https:\/\/lab4ict.com\/system\/wp-json\/wp\/v2\/media?parent=6509"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lab4ict.com\/system\/wp-json\/wp\/v2\/categories?post=6509"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lab4ict.com\/system\/wp-json\/wp\/v2\/tags?post=6509"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}