{"id":42864,"date":"2024-10-04T07:02:12","date_gmt":"2024-10-03T23:02:12","guid":{"rendered":"https:\/\/server.hk\/cnblog\/42864\/"},"modified":"2024-10-04T07:02:12","modified_gmt":"2024-10-03T23:02:12","slug":"centos-7-%e4%b8%ad%e4%bd%bf%e7%94%a8-ntp-%e9%80%b2%e8%a1%8c%e6%99%82%e9%96%93%e5%90%8c%e6%ad%a5","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/42864\/","title":{"rendered":"CentOS 7 \u4e2d\u4f7f\u7528 NTP \u9032\u884c\u6642\u9593\u540c\u6b65"},"content":{"rendered":"<h1 id=\"centos-7-%e4%b8%ad%e4%bd%bf%e7%94%a8-ntp-%e9%80%b2%e8%a1%8c%e6%99%82%e9%96%93%e5%90%8c%e6%ad%a5-WWcFzvUiZh\">CentOS 7 \u4e2d\u4f7f\u7528 NTP \u9032\u884c\u6642\u9593\u540c\u6b65<\/h1>\n<p>\u5728\u4f3a\u670d\u5668\u7ba1\u7406\u4e2d\uff0c\u6642\u9593\u7684\u6e96\u78ba\u6027\u81f3\u95dc\u91cd\u8981\u3002\u7121\u8ad6\u662f\u65e5\u8a8c\u8a18\u9304\u3001\u6578\u64da\u5eab\u64cd\u4f5c\u9084\u662f\u7db2\u7d61\u5354\u8b70\uff0c\u6e96\u78ba\u7684\u6642\u9593\u90fd\u80fd\u78ba\u4fdd\u7cfb\u7d71\u7684\u6b63\u5e38\u904b\u884c\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u5982\u4f55\u5728 CentOS 7 \u4e2d\u4f7f\u7528 NTP\uff08Network Time Protocol\uff09\u9032\u884c\u6642\u9593\u540c\u6b65\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af-ntp%ef%bc%9f-WWcFzvUiZh\">\u4ec0\u9ebc\u662f NTP\uff1f<\/h2>\n<p>NTP \u662f\u4e00\u7a2e\u7528\u65bc\u540c\u6b65\u8a08\u7b97\u6a5f\u7cfb\u7d71\u6642\u9593\u7684\u5354\u8b70\u3002\u5b83\u80fd\u5920\u901a\u904e\u7db2\u7d61\u5c07\u8a08\u7b97\u6a5f\u7684\u6642\u9418\u8207\u4e92\u806f\u7db2\u4e0a\u7684\u6642\u9593\u4f3a\u670d\u5668\u9032\u884c\u540c\u6b65\u3002NTP \u7684\u7cbe\u78ba\u5ea6\u53ef\u4ee5\u9054\u5230\u6beb\u79d2\u7d1a\uff0c\u9019\u5c0d\u65bc\u9700\u8981\u9ad8\u7cbe\u5ea6\u6642\u9593\u7684\u61c9\u7528\u4f86\u8aaa\u975e\u5e38\u91cd\u8981\u3002<\/p>\n<h2 id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e9%9c%80%e8%a6%81%e6%99%82%e9%96%93%e5%90%8c%e6%ad%a5%ef%bc%9f-WWcFzvUiZh\">\u70ba\u4ec0\u9ebc\u9700\u8981\u6642\u9593\u540c\u6b65\uff1f<\/h2>\n<ul>\n<li><strong>\u65e5\u8a8c\u8a18\u9304\u4e00\u81f4\u6027\uff1a<\/strong>\u591a\u53f0\u4f3a\u670d\u5668\u4e4b\u9593\u7684\u65e5\u8a8c\u8a18\u9304\u9700\u8981\u6642\u9593\u4e00\u81f4\uff0c\u4ee5\u4fbf\u65bc\u6545\u969c\u6392\u67e5\u548c\u6578\u64da\u5206\u6790\u3002<\/li>\n<li><strong>\u5b89\u5168\u6027\uff1a<\/strong>\u8a31\u591a\u5b89\u5168\u5354\u8b70\uff08\u5982 Kerberos\uff09\u4f9d\u8cf4\u65bc\u6642\u9593\u6233\u4f86\u9a57\u8b49\u8acb\u6c42\u7684\u6709\u6548\u6027\u3002<\/li>\n<li><strong>\u6578\u64da\u5eab\u64cd\u4f5c\uff1a<\/strong>\u5728\u5206\u4f48\u5f0f\u6578\u64da\u5eab\u4e2d\uff0c\u6642\u9593\u540c\u6b65\u53ef\u4ee5\u9632\u6b62\u6578\u64da\u885d\u7a81\u548c\u4e0d\u4e00\u81f4\u6027\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%9c%a8-centos-7-%e4%b8%ad%e5%ae%89%e8%a3%9d-ntp-WWcFzvUiZh\">\u5728 CentOS 7 \u4e2d\u5b89\u88dd NTP<\/h2>\n<p>\u5728 CentOS 7 \u4e2d\uff0cNTP \u670d\u52d9\u53ef\u4ee5\u901a\u904e\u4ee5\u4e0b\u6b65\u9a5f\u9032\u884c\u5b89\u88dd\u548c\u914d\u7f6e\uff1a<\/p>\n<h3 id=\"1-%e5%ae%89%e8%a3%9d-ntp-%e5%a5%97%e4%bb%b6-WWcFzvUiZh\">1. \u5b89\u88dd NTP \u5957\u4ef6<\/h3>\n<pre><code>sudo yum install ntp<\/code><\/pre>\n<h3 id=\"2-%e5%95%9f%e5%8b%95-ntp-%e6%9c%8d%e5%8b%99-WWcFzvUiZh\">2. \u555f\u52d5 NTP \u670d\u52d9<\/h3>\n<p>\u5b89\u88dd\u5b8c\u6210\u5f8c\uff0c\u60a8\u9700\u8981\u555f\u52d5 NTP \u670d\u52d9\u4e26\u8a2d\u7f6e\u5176\u5728\u7cfb\u7d71\u555f\u52d5\u6642\u81ea\u52d5\u555f\u52d5\uff1a<\/p>\n<pre><code>sudo systemctl start ntpd\nsudo systemctl enable ntpd<\/code><\/pre>\n<h3 id=\"3-%e9%85%8d%e7%bd%ae-ntp-%e4%bc%ba%e6%9c%8d%e5%99%a8-WWcFzvUiZh\">3. \u914d\u7f6e NTP \u4f3a\u670d\u5668<\/h3>\n<p>\u9ed8\u8a8d\u60c5\u6cc1\u4e0b\uff0cNTP \u6703\u4f7f\u7528 CentOS \u7684\u9810\u8a2d\u4f3a\u670d\u5668\u3002\u60a8\u53ef\u4ee5\u901a\u904e\u7de8\u8f2f\u914d\u7f6e\u6587\u4ef6\u4f86\u66f4\u6539 NTP \u4f3a\u670d\u5668\uff1a<\/p>\n<pre><code>sudo vi \/etc\/ntp.conf<\/code><\/pre>\n<p>\u5728\u6587\u4ef6\u4e2d\uff0c\u60a8\u53ef\u4ee5\u6dfb\u52a0\u6216\u4fee\u6539\u4f3a\u670d\u5668\u689d\u76ee\uff0c\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<h3 id=\"4-%e9%87%8d%e5%95%9f-ntp-%e6%9c%8d%e5%8b%99-WWcFzvUiZh\">4. \u91cd\u555f NTP \u670d\u52d9<\/h3>\n<p>\u5b8c\u6210\u914d\u7f6e\u5f8c\uff0c\u91cd\u555f NTP \u670d\u52d9\u4ee5\u4f7f\u66f4\u6539\u751f\u6548\uff1a<\/p>\n<pre><code>sudo systemctl restart ntpd<\/code><\/pre>\n<h2 id=\"%e6%aa%a2%e6%9f%a5-ntp-%e5%90%8c%e6%ad%a5%e7%8b%80%e6%85%8b-WWcFzvUiZh\">\u6aa2\u67e5 NTP \u540c\u6b65\u72c0\u614b<\/h2>\n<p>\u8981\u6aa2\u67e5 NTP \u7684\u540c\u6b65\u72c0\u614b\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<pre><code>ntpq -p<\/code><\/pre>\n<p>\u9019\u5c07\u986f\u793a\u7576\u524d NTP \u4f3a\u670d\u5668\u7684\u72c0\u614b\uff0c\u5305\u62ec\u5ef6\u9072\u3001\u504f\u5dee\u548c\u5176\u4ed6\u91cd\u8981\u4fe1\u606f\u3002<\/p>\n<h2 id=\"%e6%95%85%e9%9a%9c%e6%8e%92%e6%9f%a5-WWcFzvUiZh\">\u6545\u969c\u6392\u67e5<\/h2>\n<p>\u5982\u679c NTP \u7121\u6cd5\u6b63\u5e38\u5de5\u4f5c\uff0c\u60a8\u53ef\u4ee5\u6aa2\u67e5\u4ee5\u4e0b\u5e7e\u9ede\uff1a<\/p>\n<ul>\n<li>\u78ba\u4fdd\u9632\u706b\u7246\u5141\u8a31 NTP \u6d41\u91cf\uff08UDP 123 \u7aef\u53e3\uff09\u3002<\/li>\n<li>\u6aa2\u67e5 NTP \u4f3a\u670d\u5668\u7684\u53ef\u9054\u6027\u3002<\/li>\n<li>\u67e5\u770b NTP \u65e5\u8a8c\u4ee5\u7372\u53d6\u932f\u8aa4\u4fe1\u606f\uff1a<\/li>\n<\/ul>\n<pre><code>sudo journalctl -u ntpd<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-WWcFzvUiZh\">\u7e3d\u7d50<\/h2>\n<p>\u5728 CentOS 7 \u4e2d\u4f7f\u7528 NTP \u9032\u884c\u6642\u9593\u540c\u6b65\u662f\u4e00\u500b\u7c21\u55ae\u800c\u6709\u6548\u7684\u904e\u7a0b\u3002\u901a\u904e\u6b63\u78ba\u7684\u914d\u7f6e\uff0c\u60a8\u53ef\u4ee5\u78ba\u4fdd\u4f3a\u670d\u5668\u4e4b\u9593\u7684\u6642\u9593\u4e00\u81f4\u6027\uff0c\u5f9e\u800c\u63d0\u9ad8\u7cfb\u7d71\u7684\u7a69\u5b9a\u6027\u548c\u5b89\u5168\u6027\u3002\u5982\u679c\u60a8\u9700\u8981\u9032\u4e00\u6b65\u7684\u652f\u6301\u6216\u5c0b\u627e\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u4ee5\u7372\u53d6\u66f4\u591a\u4fe1\u606f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3\u5982\u4f55\u5728 CentOS 7 \u4e2d\u4f7f\u7528 NTP \u9032\u884c\u6642\u9593\u540c\u6b65\uff0c\u78ba\u4fdd\u7cfb\u7d71\u6642\u9593\u6e96\u78ba\uff0c\u63d0\u5347\u4f3a\u670d\u5668\u6027\u80fd\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-42864","post","type-post","status-publish","format-standard","hentry","category-setup-tutorials"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/42864","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=42864"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/42864\/revisions"}],"predecessor-version":[{"id":42865,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/42864\/revisions\/42865"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=42864"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=42864"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=42864"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}