{"id":1863,"date":"2018-10-24T08:00:20","date_gmt":"2018-10-23T23:00:20","guid":{"rendered":"https:\/\/www.itc109.com\/knowledge\/?p=1863"},"modified":"2021-09-30T08:57:48","modified_gmt":"2021-09-29T23:57:48","slug":"chrony%e3%81%ae%e5%8f%82%e7%85%a7%e5%85%88%e3%82%92amazon-time-sync-service%e3%81%ab%e8%a8%ad%e5%ae%9a%e3%81%99%e3%82%8b","status":"publish","type":"post","link":"https:\/\/www.itc109.com\/knowledge\/linux\/chrony%e3%81%ae%e5%8f%82%e7%85%a7%e5%85%88%e3%82%92amazon-time-sync-service%e3%81%ab%e8%a8%ad%e5%ae%9a%e3%81%99%e3%82%8b","title":{"rendered":"chrony\u306e\u53c2\u7167\u5148\u3092Amazon Time Sync Service\u306b\u8a2d\u5b9a\u3059\u308b"},"content":{"rendered":"<h4><strong>\u6982\u8981<\/strong><\/h4>\n<p>7\u7cfb\u304b\u3089\u306f NTP \u30b5\u30fc\u30d3\u30b9\u3068\u3057\u3066 chorny \u304c\u6a19\u6e96\u3067\u8d77\u52d5\u3057\u3066\u3044\u307e\u3059\u3002<br \/>\nAWS \u74b0\u5883\u3067\u306e NTP \u8a2d\u5b9a\u3092 chrony \u3067\u884c\u3046\u969b\u306f\u3001\u53c2\u7167\u5148\u30b5\u30fc\u30d0\u3092Amazon Time Sync Service\u306b\u3057\u305f\u307b\u3046\u304c\u89aa\u548c\u6027\u304c\u826f\u3044\u306e\u3067\u3001\u5909\u66f4\u3059\u308b\u624b\u9806\u306b\u3064\u3044\u3066\u8a18\u8f09\u3002<\/p>\n<p>&nbsp;<\/p>\n<h4><strong>\u624b\u9806<\/strong><\/h4>\n<p><strong>\u30aa\u30ea\u30b8\u30ca\u30eb\u306e\u4fdd\u5168<\/strong><\/p>\n<div class=\"hcb_wrap\">\n<pre class=\"prism line-numbers lang-plain\" data-lang=\"Plain Text\"><code>cp \/etc\/chrony.conf \/etc\/chrony.conf.org<\/code><\/pre>\n<\/div>\n<p>&nbsp;<\/p>\n<p><strong>\u8a2d\u5b9a\u30d5\u30a1\u30a4\u30eb\u306e\u7de8\u96c6<\/strong><\/p>\n<div class=\"hcb_wrap\">\n<pre class=\"prism line-numbers lang-plain\" data-lang=\"Plain Text\"><code>server 0.centos.pool.ntp.org iburst\r\nserver 1.centos.pool.ntp.org iburst\r\nserver 2.centos.pool.ntp.org iburst\r\nserver 3.centos.pool.ntp.org iburst\r\n<\/code><\/pre>\n<\/div>\n<p>\u8ffd\u52a0\u30fb\u4fee\u6b63<\/p>\n<div class=\"hcb_wrap\">\n<pre class=\"prism line-numbers lang-plain\" data-lang=\"Plain Text\"><code>server 169.254.169.123 prefer iburst\r\n#server 0.centos.pool.ntp.org iburst\r\n#server 1.centos.pool.ntp.org iburst\r\n#server 2.centos.pool.ntp.org iburst\r\n#server 3.centos.pool.ntp.org iburst\r\n<\/code><\/pre>\n<\/div>\n<p>\u30b3\u30de\u30f3\u30c9\u3067\u5b9f\u884c\u3059\u308b\u5834\u5408<\/p>\n<div class=\"hcb_wrap\">\n<pre class=\"prism line-numbers lang-plain\" data-lang=\"Plain Text\"><code>sed -e \"3i server 169.254.169.123 prefer iburst\" \/etc\/chrony.conf -i\r\nsed -e \"s\/server 0.centos.pool.ntp.org iburst\/^#server 0.centos.pool.ntp.org iburst\/g\" \/etc\/chrony.conf -i\r\nsed -e \"s\/server 1.centos.pool.ntp.org iburst\/^#server 1.centos.pool.ntp.org iburst\/g\" \/etc\/chrony.conf -i\r\nsed -e \"s\/server 2.centos.pool.ntp.org iburst\/^#server 2.centos.pool.ntp.org iburst\/g\" \/etc\/chrony.conf -i\r\nsed -e \"s\/server 3.centos.pool.ntp.org iburst\/^#server 3.centos.pool.ntp.org iburst\/g\" \/etc\/chrony.conf -i\r\n<\/code><\/pre>\n<\/div>\n<p>&nbsp;<\/p>\n<p><strong>\u5909\u66f4\u5dee\u7570\u306e\u78ba\u8a8d<\/strong><\/p>\n<div class=\"hcb_wrap\">\n<pre class=\"prism line-numbers lang-plain\" data-lang=\"Plain Text\"><code>diff \/etc\/chrony.conf \/etc\/chrony.conf.org<\/code><\/pre>\n<\/div>\n<p>\u5b9f\u884c\u7d50\u679c<\/p>\n<div class=\"hcb_wrap\">\n<pre class=\"prism line-numbers lang-plain\" data-lang=\"Plain Text\"><code># 3,8c3,6\r\n# &lt; server 169.254.169.123 prefer iburst\r\n#\r\n# &lt; #server 0.centos.pool.ntp.org iburst\r\n# &lt; #server 1.centos.pool.ntp.org iburst\r\n# &lt; #server 2.centos.pool.ntp.org iburst\r\n# &lt; #server 3.centos.pool.ntp.org iburst\r\n# &lt; # --- # &gt; server 0.centos.pool.ntp.org iburst\r\n# &gt; server 1.centos.pool.ntp.org iburst\r\n# &gt; server 2.centos.pool.ntp.org iburst\r\n# &gt; server 3.centos.pool.ntp.org iburst\r\n<\/code><\/pre>\n<\/div>\n<p>&nbsp;<\/p>\n<p><strong>\u8a2d\u5b9a\u306e\u53cd\u6620<\/strong><\/p>\n<div class=\"hcb_wrap\">\n<pre class=\"prism line-numbers lang-plain\" data-lang=\"Plain Text\"><code>service chronyd restart<\/code><\/pre>\n<\/div>\n<p>&nbsp;<\/p>\n<p><strong>\u72b6\u614b\u306e\u78ba\u8a8d<\/strong><\/p>\n<div class=\"hcb_wrap\">\n<pre class=\"prism line-numbers lang-plain\" data-lang=\"Plain Text\"><code>chronyc sources -v<\/code><\/pre>\n<\/div>\n<p>\u5b9f\u884c\u7d50\u679c<\/p>\n<div class=\"hcb_wrap\">\n<pre class=\"prism line-numbers lang-plain\" data-lang=\"Plain Text\"><code>#\u3000210 Number of sources = 1\r\n#\u3000\r\n#\u3000  .-- Source mode  '^' = server, '=' = peer, '#' = local clock.\r\n#\u3000 \/ .- Source state '*' = current synced, '+' = combined , '-' = not combined,\r\n#\u3000| \/   '?' = unreachable, 'x' = time may be in error, '~' = time too variable.\r\n#\u3000||                                                 .- xxxx [ yyyy ] +\/- zzzz\r\n#\u3000||      Reachability register (octal) -.           |  xxxx = adjusted offset,\r\n#\u3000||      Log2(Polling interval) --.      |          |  yyyy = measured offset,\r\n#\u3000||                                \\     |          |  zzzz = estimated error.\r\n#\u3000||                                 |    |           \\\r\n#\u3000MS Name\/IP address         Stratum Poll Reach LastRx Last sample\r\n#\u3000===============================================================================\r\n#\u3000^* 169.254.169.123               3   6    17    62  +2155ns[  -54us] +\/- 1551us\r\n\r\n#--------------------------------------------------<\/code><\/pre>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u6982\u8981 7\u7cfb\u304b\u3089\u306f NTP \u30b5\u30fc\u30d3\u30b9\u3068\u3057\u3066 chorny \u304c\u6a19\u6e96\u3067\u8d77\u52d5\u3057\u3066\u3044\u307e\u3059\u3002 AWS \u74b0\u5883\u3067\u306e NTP \u8a2d\u5b9a\u3092 chrony \u3067\u884c\u3046\u969b\u306f\u3001\u53c2\u7167\u5148\u30b5\u30fc\u30d0\u3092Amazon Time Sync Service\u306b\u3057\u305f\u307b\u3046\u304c\u89aa\u548c&#8230;<\/p>\n","protected":false},"author":3,"featured_media":45,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[3],"tags":[111,109,112],"class_list":["post-1863","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-linux","tag-chorny","tag-linux-7","tag-ntp"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"https:\/\/www.itc109.com\/knowledge\/wp-content\/uploads\/sites\/2\/logo\/logo-linux.png","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/pacZwp-u3","_links":{"self":[{"href":"https:\/\/www.itc109.com\/knowledge\/wp-json\/wp\/v2\/posts\/1863","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.itc109.com\/knowledge\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.itc109.com\/knowledge\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.itc109.com\/knowledge\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.itc109.com\/knowledge\/wp-json\/wp\/v2\/comments?post=1863"}],"version-history":[{"count":7,"href":"https:\/\/www.itc109.com\/knowledge\/wp-json\/wp\/v2\/posts\/1863\/revisions"}],"predecessor-version":[{"id":2508,"href":"https:\/\/www.itc109.com\/knowledge\/wp-json\/wp\/v2\/posts\/1863\/revisions\/2508"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.itc109.com\/knowledge\/wp-json\/wp\/v2\/media\/45"}],"wp:attachment":[{"href":"https:\/\/www.itc109.com\/knowledge\/wp-json\/wp\/v2\/media?parent=1863"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.itc109.com\/knowledge\/wp-json\/wp\/v2\/categories?post=1863"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.itc109.com\/knowledge\/wp-json\/wp\/v2\/tags?post=1863"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}