{"id":44924,"date":"2024-10-06T19:12:14","date_gmt":"2024-10-06T11:12:14","guid":{"rendered":"https:\/\/server.hk\/cnblog\/44924\/"},"modified":"2024-10-06T19:12:14","modified_gmt":"2024-10-06T11:12:14","slug":"linux-%e7%b3%bb%e7%b5%b1%e9%a9%97%e8%ad%89-ntp-%e5%90%8c%e6%ad%a5%e6%96%b9%e6%b3%95","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/44924\/","title":{"rendered":"Linux \u7cfb\u7d71\u9a57\u8b49 NTP \u540c\u6b65\u65b9\u6cd5"},"content":{"rendered":"<h1 id=\"linux-%e7%b3%bb%e7%b5%b1%e9%a9%97%e8%ad%89-ntp-%e5%90%8c%e6%ad%a5%e6%96%b9%e6%b3%95-PJhcviVerA\">Linux \u7cfb\u7d71\u9a57\u8b49 NTP \u540c\u6b65\u65b9\u6cd5<\/h1>\n<p>\u5728\u73fe\u4ee3\u7684\u4f3a\u670d\u5668\u7ba1\u7406\u4e2d\uff0c\u6642\u9593\u7684\u6e96\u78ba\u6027\u81f3\u95dc\u91cd\u8981\u3002\u7121\u8ad6\u662f\u9032\u884c\u65e5\u8a8c\u8a18\u9304\u3001\u6578\u64da\u5eab\u64cd\u4f5c\uff0c\u9084\u662f\u7db2\u7d61\u5b89\u5168\uff0c\u6e96\u78ba\u7684\u6642\u9593\u90fd\u80fd\u78ba\u4fdd\u7cfb\u7d71\u7684\u6b63\u5e38\u904b\u884c\u3002NTP\uff08Network Time Protocol\uff09\u662f\u4e00\u7a2e\u7528\u65bc\u540c\u6b65\u8a08\u7b97\u6a5f\u6642\u9418\u7684\u5354\u8b70\uff0c\u80fd\u5920\u78ba\u4fdd\u4f3a\u670d\u5668\u4e4b\u9593\u7684\u6642\u9593\u4e00\u81f4\u6027\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5728 Linux \u7cfb\u7d71\u4e2d\u9a57\u8b49 NTP \u540c\u6b65\u7684\u65b9\u6cd5\u3002<\/p>\n<h2 id=\"ntp-%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%a6%82%e5%bf%b5-PJhcviVerA\">NTP \u7684\u57fa\u672c\u6982\u5ff5<\/h2>\n<p>NTP \u662f\u4e00\u7a2e\u7db2\u7d61\u5354\u8b70\uff0c\u65e8\u5728\u901a\u904e\u4e92\u806f\u7db2\u6216\u672c\u5730\u7db2\u7d61\u540c\u6b65\u8a08\u7b97\u6a5f\u7684\u6642\u9418\u3002\u5b83\u4f7f\u7528\u5206\u5c64\u67b6\u69cb\uff0c\u5c07\u6642\u9593\u6e90\u5206\u70ba\u4e0d\u540c\u7684\u5c64\u7d1a\uff0c\u7a31\u70ba NTP \u5c64\uff08stratum\uff09\u3002\u5c64\u7d1a\u8d8a\u4f4e\uff0c\u6642\u9593\u6e90\u8d8a\u63a5\u8fd1\u539f\u5b50\u9418\uff0c\u6e96\u78ba\u6027\u8d8a\u9ad8\u3002NTP \u7684\u5de5\u4f5c\u539f\u7406\u662f\u901a\u904e\u5411 NTP \u4f3a\u670d\u5668\u767c\u9001\u8acb\u6c42\uff0c\u7136\u5f8c\u6839\u64da\u4f3a\u670d\u5668\u8fd4\u56de\u7684\u6642\u9593\u4fe1\u606f\u4f86\u8abf\u6574\u672c\u5730\u6642\u9418\u3002<\/p>\n<h2 id=\"%e5%ae%89%e8%a3%9d-ntp-%e6%9c%8d%e5%8b%99-PJhcviVerA\">\u5b89\u88dd NTP \u670d\u52d9<\/h2>\n<p>\u5728\u5927\u591a\u6578 Linux \u767c\u884c\u7248\u4e2d\uff0cNTP \u670d\u52d9\u53ef\u4ee5\u901a\u904e\u5305\u7ba1\u7406\u5668\u8f15\u9b06\u5b89\u88dd\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u898b\u7684\u5b89\u88dd\u547d\u4ee4\uff1a<\/p>\n<ul>\n<li>\u5c0d\u65bc Ubuntu\/Debian \u7cfb\u7d71\uff1a<\/li>\n<pre><code>sudo apt update\nsudo apt install ntp<\/code><\/pre>\n<li>\u5c0d\u65bc CentOS\/RHEL \u7cfb\u7d71\uff1a<\/li>\n<pre><code>sudo yum install ntp<\/code><\/pre>\n<\/ul>\n<h2 id=\"%e9%85%8d%e7%bd%ae-ntp-%e6%9c%8d%e5%8b%99-PJhcviVerA\">\u914d\u7f6e NTP \u670d\u52d9<\/h2>\n<p>\u5b89\u88dd\u5b8c\u6210\u5f8c\uff0c\u9700\u8981\u914d\u7f6e NTP \u670d\u52d9\u3002NTP \u7684\u914d\u7f6e\u6587\u4ef6\u901a\u5e38\u4f4d\u65bc <code>\/etc\/ntp.conf<\/code>\u3002\u53ef\u4ee5\u4f7f\u7528\u6587\u672c\u7de8\u8f2f\u5668\u6253\u958b\u8a72\u6587\u4ef6\uff0c\u4e26\u6dfb\u52a0\u6216\u4fee\u6539 NTP \u4f3a\u670d\u5668\u7684\u5730\u5740\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>server 0.hk.pool.ntp.org iburst\nserver 1.hk.pool.ntp.org iburst\nserver 2.hk.pool.ntp.org iburst\nserver 3.hk.pool.ntp.org iburst<\/code><\/pre>\n<p>\u9019\u88e1\u7684 <code>iburst<\/code> \u53c3\u6578\u53ef\u4ee5\u52a0\u5feb\u521d\u6b21\u540c\u6b65\u7684\u901f\u5ea6\u3002<\/p>\n<h2 id=\"%e5%95%9f%e5%8b%95-ntp-%e6%9c%8d%e5%8b%99-PJhcviVerA\">\u555f\u52d5 NTP \u670d\u52d9<\/h2>\n<p>\u914d\u7f6e\u5b8c\u6210\u5f8c\uff0c\u53ef\u4ee5\u555f\u52d5 NTP \u670d\u52d9\u4e26\u8a2d\u7f6e\u5176\u5728\u7cfb\u7d71\u555f\u52d5\u6642\u81ea\u52d5\u904b\u884c\uff1a<\/p>\n<ul>\n<li>\u555f\u52d5 NTP \u670d\u52d9\uff1a<\/li>\n<pre><code>sudo systemctl start ntp<\/code><\/pre>\n<li>\u8a2d\u7f6e NTP \u670d\u52d9\u958b\u6a5f\u81ea\u555f\uff1a<\/li>\n<pre><code>sudo systemctl enable ntp<\/code><\/pre>\n<\/ul>\n<h2 id=\"%e9%a9%97%e8%ad%89-ntp-%e5%90%8c%e6%ad%a5%e7%8b%80%e6%85%8b-PJhcviVerA\">\u9a57\u8b49 NTP \u540c\u6b65\u72c0\u614b<\/h2>\n<p>\u8981\u9a57\u8b49 NTP \u662f\u5426\u6b63\u5e38\u904b\u884c\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u6aa2\u67e5 NTP \u7684\u72c0\u614b\uff1a<\/p>\n<pre><code>ntpq -p<\/code><\/pre>\n<p>\u9019\u500b\u547d\u4ee4\u6703\u986f\u793a\u7576\u524d NTP \u4f3a\u670d\u5668\u7684\u5217\u8868\u53ca\u5176\u72c0\u614b\u3002\u8f38\u51fa\u4e2d\u6703\u986f\u793a\u4f3a\u670d\u5668\u7684 IP \u5730\u5740\u3001\u5ef6\u9072\u3001\u504f\u5dee\u7b49\u4fe1\u606f\u3002\u7406\u60f3\u60c5\u6cc1\u4e0b\uff0c\u61c9\u8a72\u770b\u5230\u4e00\u500b\u5e36\u6709\u661f\u865f\uff08*\uff09\u7684\u4f3a\u670d\u5668\uff0c\u8868\u793a\u8a72\u4f3a\u670d\u5668\u662f\u7576\u524d\u7684\u540c\u6b65\u6e90\u3002<\/p>\n<h2 id=\"%e6%95%85%e9%9a%9c%e6%8e%92%e9%99%a4-PJhcviVerA\">\u6545\u969c\u6392\u9664<\/h2>\n<p>\u5982\u679c NTP \u540c\u6b65\u5931\u6557\uff0c\u53ef\u4ee5\u6aa2\u67e5\u4ee5\u4e0b\u5e7e\u500b\u65b9\u9762\uff1a<\/p>\n<ul>\n<li>\u78ba\u4fdd NTP \u670d\u52d9\u6b63\u5728\u904b\u884c\uff1a<\/li>\n<pre><code>sudo systemctl status ntp<\/code><\/pre>\n<li>\u6aa2\u67e5\u9632\u706b\u7246\u8a2d\u7f6e\uff0c\u78ba\u4fdd UDP 123 \u7aef\u53e3\u662f\u958b\u653e\u7684\u3002<\/li>\n<li>\u67e5\u770b NTP \u65e5\u8a8c\u4ee5\u7372\u53d6\u66f4\u591a\u4fe1\u606f\uff1a<\/li>\n<pre><code>cat \/var\/log\/syslog | grep ntp<\/code><\/pre>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-PJhcviVerA\">\u7e3d\u7d50<\/h2>\n<p>NTP \u662f\u78ba\u4fdd Linux \u7cfb\u7d71\u6642\u9593\u6e96\u78ba\u7684\u91cd\u8981\u5de5\u5177\u3002\u901a\u904e\u6b63\u78ba\u7684\u5b89\u88dd\u3001\u914d\u7f6e\u548c\u9a57\u8b49\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u4fdd\u6301\u4f3a\u670d\u5668\u4e4b\u9593\u7684\u6642\u9593\u4e00\u81f4\u6027\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u53ef\u7528\u6027\u548c\u6e96\u78ba\u6027\u7684\u61c9\u7528\uff0c\u9019\u4e00\u9ede\u5c24\u70ba\u91cd\u8981\u3002\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u7a69\u5b9a\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2f VPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0c\u78ba\u4fdd NTP \u540c\u6b65\u662f\u7ba1\u7406\u4f3a\u670d\u5668\u7684\u57fa\u672c\u6b65\u9a5f\u4e4b\u4e00\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3 Linux \u7cfb\u7d71\u4e2d NTP \u540c\u6b65\u7684\u9a57\u8b49\u65b9\u6cd5\uff0c\u78ba\u4fdd\u6642\u9593\u6e96\u78ba\u6027\uff0c\u63d0\u5347\u7cfb\u7d71\u7a69\u5b9a\u6027\u8207\u5b89\u5168\u6027\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4924],"tags":[],"class_list":["post-44924","post","type-post","status-publish","format-standard","hentry","category-setup-tutorials"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/44924","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=44924"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/44924\/revisions"}],"predecessor-version":[{"id":44925,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/44924\/revisions\/44925"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=44924"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=44924"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=44924"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}