{"id":203558,"date":"2020-11-23T09:36:05","date_gmt":"2020-11-23T01:36:05","guid":{"rendered":"https:\/\/lrxjmw.cn\/?p=203558"},"modified":"2020-11-16T10:37:25","modified_gmt":"2020-11-16T02:37:25","slug":"centos8-chrony-ntp","status":"publish","type":"post","link":"https:\/\/lrxjmw.cn\/centos8-chrony-ntp.html","title":{"rendered":"centos8\u4f7f\u7528chrony\u4f5c\u4e3aNTP\u670d\u52a1\u5668"},"content":{"rendered":"<table>\n<tbody>\n<tr>\n<td style=\"padding: 5px 12px; width: 25px; font-size: 22px; text-align: center; background: #E8E8E8; line-height: 30px; color: #999;\">\u5bfc\u8bfb<\/td>\n<td style=\"padding: 10px 10px 12px; line-height: 20px;\"><strong>Centos8\u4e0d\u5728\u76f4\u63a5\u4f7f\u7528ntp\uff0c\u800c\u662f\u4f7f\u7528chrony\u4f5c\u4e3a\u65f6\u95f4\u540c\u6b65\uff0cchrony\u65e2\u53ef\u4ee5\u5f53\u670d\u52a1\u5668\u7aef\u5e7f\u64ad\u65f6\u95f4\uff0c\u53c8\u53ef\u4ee5\u4f5c\u4e3a\u5ba2\u6237\u7aef\u540c\u6b65\u65f6\u95f4<\/strong><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/lrxjmw.cn\/wp-content\/uploads\/2020\/10\/Snipaste_2020-10-31_18-32-08.png\" alt=\"\" width=\"1053\" height=\"701\" class=\"aligncenter size-full wp-image-204467\" srcset=\"https:\/\/lrxjmw.cn\/wp-content\/uploads\/2020\/10\/Snipaste_2020-10-31_18-32-08.png 1053w, https:\/\/lrxjmw.cn\/wp-content\/uploads\/2020\/10\/Snipaste_2020-10-31_18-32-08-300x200.png 300w, https:\/\/lrxjmw.cn\/wp-content\/uploads\/2020\/10\/Snipaste_2020-10-31_18-32-08-1024x682.png 1024w, https:\/\/lrxjmw.cn\/wp-content\/uploads\/2020\/10\/Snipaste_2020-10-31_18-32-08-768x511.png 768w\" sizes=\"auto, (max-width: 1053px) 100vw, 1053px\" \/><\/p>\n<div   id="j6sjwn9j3u"    style=\"font-size: 14pt; color: white; background-color: black; border-left: red 10px solid; padding-left: 14px; margin-bottom: 20px; margin-top: 20px;\"><strong>\u5b89\u88c5<\/strong><\/div>\n<pre>\r\nsudo dnf install chrony -y\r\nsudo yum install chrony -y\r\n<\/pre>\n<p>Centos8\u4f7f\u7528firewalld\u670d\u52a1\u5bf9\u9632\u706b\u5899\u8fdb\u884c\u7ba1\u7406\u3002\u653e\u884cntp\u670d\u52a1(123\/udp)<\/p>\n<pre>\r\nfirewall-cmd --add-service=ntp --permanent && firewall-cmd --reload\r\n<\/pre>\n<div   id="j6sjwn9j3u"    style=\"font-size: 14pt; color: white; background-color: black; border-left: red 10px solid; padding-left: 14px; margin-bottom: 20px; margin-top: 20px;\"><strong>\u4f5c\u4e3a\u670d\u52a1\u5668\u7aef<\/strong><\/div>\n<p>\u914d\u7f6echrony\u670d\u52a1\u7aef<\/p>\n<pre>\r\nsudo vim \/etc\/chrony.conf\r\n<\/pre>\n<p>\u5220\u9664\u914d\u7f6e\u81ea\u5e26\u7684NTP\u670d\u52a1\u5668\u3002\u6362\u6210\u56fd\u5185\u963f\u91cc\u4e91\u7684NTP\u670d\u52a1\u5668\u5730\u5740\u3002<\/p>\n<p>\u6dfb\u52a0\u4e0a\u6e38NTP\u670d\u52a1\u5668<\/p>\n<pre>\r\nserver time1.aliyun.com iburst     \r\nserver time2.aliyun.com iburst\r\nserver time3.aliyun.com iburst\r\n<\/pre>\n<p>\u5141\u8bb8 192.168.1.0\/24 \u5185\u7684\u5ba2\u6237\u7aef\u901a\u8fc7\u8fd9\u53f0\u670d\u52a1\u5668\u83b7\u53d6\u65f6\u95f4<\/p>\n<pre>\r\nallow 192.168.1.0\/24 \r\n<\/pre>\n<p>\u914d\u7f6e\u65e0\u8bef\u540e\uff0c\u91cd\u542fchrony\u670d\u52a1\uff0c\u5e76\u914d\u7f6e\u5f00\u673a\u81ea\u542f\u52a8\uff1a<\/p>\n<pre>\r\nsystemctl restart chronyd.service\r\nsystemctl enable chronyd.service\r\n<\/pre>\n<p>\u4f7f\u7528ss -tlunp | grep chrony\u6216\u8005 lsof -i:123\u547d\u4ee4\u68c0\u67e5chrony\u670d\u52a1\u4f7f\u7528\u7684123\/udp\u7aef\u53e3\u662f\u5426\u542f\u52a8\u6210\u529f<\/p>\n<div   id="j6sjwn9j3u"    style=\"font-size: 14pt; color: white; background-color: black; border-left: red 10px solid; padding-left: 14px; margin-bottom: 20px; margin-top: 20px;\"><strong>\u4f5c\u4e3a\u5ba2\u6237\u7aef<\/strong><\/div>\n<p>\u540c\u6837\u5b89\u88c5\uff0c\u7136\u540e\u4fee\u6539\u5ba2\u6237\u7aefchrony\u914d\u7f6e\u6587\u4ef6<\/p>\n<pre>\r\nsudo vim \/etc\/chrony.conf\r\n\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\n# pool 2.centos.pool.ntp.org iburst \r\n<\/pre>\n<p>#\u6dfb\u52a0NTP\u670d\u52a1\u5668<\/p>\n<pre>\r\nserver time1.aliyun.com iburst     \r\nserver time2.aliyun.com iburst\r\nserver time3.aliyun.com iburst\r\n<\/pre>\n<p>\u5982\u679c\u6709\u81ea\u5efa\u7684chrony\u5ba2\u6237\u7aef\u4e5f\u53ef\u4ee5\u81ea\u884c\u914d\u7f6e<\/p>\n<pre>\r\nserver 192.168.1.30 iburst\r\n<\/pre>\n<p>\u91cd\u542fchrony\u5ba2\u6237\u7aef\u670d\u52a1\uff0c\u91cd\u542fchrony\u670d\u52a1\uff0c\u5e76\u914d\u7f6e\u5f00\u673a\u81ea\u542f\u52a8\uff1a<\/p>\n<pre>\r\nsystemctl restart chronyd.service && systemctl enable chronyd.service --now\r\n<\/pre>\n<p>\u67e5\u770b\u540c\u6b65\u72b6\u6001<\/p>\n<pre>\r\nchronyc sources -v\r\n<\/pre>\n","protected":false},"excerpt":{"rendered":"<p>sudo dnf install chrony -y sudo yum install chrony -y C [&hellip;]<\/p>\n","protected":false},"author":362,"featured_media":204466,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[55],"tags":[],"class_list":["post-203558","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-thread"],"acf":[],"_links":{"self":[{"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/posts\/203558","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/users\/362"}],"replies":[{"embeddable":true,"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/comments?post=203558"}],"version-history":[{"count":6,"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/posts\/203558\/revisions"}],"predecessor-version":[{"id":205375,"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/posts\/203558\/revisions\/205375"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/media\/204466"}],"wp:attachment":[{"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/media?parent=203558"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/categories?post=203558"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/tags?post=203558"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}