{"id":43106,"date":"2024-10-04T17:06:36","date_gmt":"2024-10-04T09:06:36","guid":{"rendered":"https:\/\/server.hk\/cnblog\/43106\/"},"modified":"2024-10-04T17:06:36","modified_gmt":"2024-10-04T09:06:36","slug":"centos-7-%e9%83%a8%e7%bd%b2-ntp-%e6%99%82%e9%96%93%e4%bc%ba%e6%9c%8d%e5%99%a8","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/43106\/","title":{"rendered":"CentOS 7 \u90e8\u7f72 NTP \u6642\u9593\u4f3a\u670d\u5668"},"content":{"rendered":"<h1 id=\"centos-7-%e9%83%a8%e7%bd%b2-ntp-%e6%99%82%e9%96%93%e4%bc%ba%e6%9c%8d%e5%99%a8-oMklMbDglN\">CentOS 7 \u90e8\u7f72 NTP \u6642\u9593\u4f3a\u670d\u5668<\/h1>\n<p>\u5728\u73fe\u4eca\u7684\u7db2\u7d61\u74b0\u5883\u4e2d\uff0c\u6e96\u78ba\u7684\u6642\u9593\u540c\u6b65\u5c0d\u65bc\u4f3a\u670d\u5668\u7684\u904b\u884c\u81f3\u95dc\u91cd\u8981\u3002NTP\uff08Network Time Protocol\uff09\u662f\u4e00\u7a2e\u7528\u65bc\u5728\u8a08\u7b97\u6a5f\u7db2\u7d61\u4e2d\u540c\u6b65\u6642\u9593\u7684\u5354\u8b70\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u5982\u4f55\u5728 CentOS 7 \u4e0a\u90e8\u7f72 NTP \u6642\u9593\u4f3a\u670d\u5668\uff0c\u78ba\u4fdd\u7cfb\u7d71\u6642\u9593\u7684\u6e96\u78ba\u6027\u3002<\/p>\n<h2 id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e9%9c%80%e8%a6%81-ntp-%e4%bc%ba%e6%9c%8d%e5%99%a8%ef%bc%9f-oMklMbDglN\">\u70ba\u4ec0\u9ebc\u9700\u8981 NTP \u4f3a\u670d\u5668\uff1f<\/h2>\n<p>NTP \u4f3a\u670d\u5668\u7684\u4e3b\u8981\u529f\u80fd\u662f\u78ba\u4fdd\u7db2\u7d61\u4e2d\u6240\u6709\u8a2d\u5099\u7684\u6642\u9593\u4e00\u81f4\u3002\u9019\u5c0d\u65bc\u8a31\u591a\u61c9\u7528\u7a0b\u5e8f\u4f86\u8aaa\u662f\u5fc5\u9700\u7684\uff0c\u4f8b\u5982\u6578\u64da\u5eab\u3001\u65e5\u8a8c\u8a18\u9304\u548c\u5b89\u5168\u6027\u9a57\u8b49\u7b49\u3002\u82e5\u6642\u9593\u4e0d\u540c\u6b65\uff0c\u53ef\u80fd\u6703\u5c0e\u81f4\u6578\u64da\u4e0d\u4e00\u81f4\u3001\u932f\u8aa4\u7684\u65e5\u8a8c\u8a18\u9304\uff0c\u751a\u81f3\u5b89\u5168\u6f0f\u6d1e\u3002<\/p>\n<h2 id=\"%e5%ae%89%e8%a3%9d-ntp-%e4%bc%ba%e6%9c%8d%e5%99%a8-oMklMbDglN\">\u5b89\u88dd NTP \u4f3a\u670d\u5668<\/h2>\n<p>\u5728 CentOS 7 \u4e0a\u5b89\u88dd NTP \u4f3a\u670d\u5668\u975e\u5e38\u7c21\u55ae\u3002\u9996\u5148\uff0c\u60a8\u9700\u8981\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u5b89\u88dd NTP \u8edf\u4ef6\u5305\uff1a<\/p>\n<pre><code>sudo yum install ntp -y<\/code><\/pre>\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<h2 id=\"%e9%85%8d%e7%bd%ae-ntp-%e4%bc%ba%e6%9c%8d%e5%99%a8-oMklMbDglN\">\u914d\u7f6e NTP \u4f3a\u670d\u5668<\/h2>\n<p>\u5b89\u88dd\u548c\u555f\u52d5 NTP \u670d\u52d9\u5f8c\uff0c\u60a8\u9700\u8981\u914d\u7f6e NTP \u4f3a\u670d\u5668\u3002NTP \u7684\u914d\u7f6e\u6587\u4ef6\u4f4d\u65bc \/etc\/ntp.conf\u3002\u4f7f\u7528\u6587\u672c\u7de8\u8f2f\u5668\u6253\u958b\u8a72\u6587\u4ef6\uff1a<\/p>\n<pre><code>sudo vi \/etc\/ntp.conf<\/code><\/pre>\n<p>\u5728\u914d\u7f6e\u6587\u4ef6\u4e2d\uff0c\u60a8\u53ef\u4ee5\u770b\u5230\u4e00\u4e9b\u9810\u8a2d\u7684 NTP \u4f3a\u670d\u5668\u3002\u60a8\u53ef\u4ee5\u6839\u64da\u9700\u8981\u6dfb\u52a0\u6216\u4fee\u6539\u9019\u4e9b\u4f3a\u670d\u5668\u3002\u4f8b\u5982\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u516c\u5171 NTP \u4f3a\u670d\u5668\uff1a<\/p>\n<pre><code>server 0.pool.ntp.org iburst\nserver 1.pool.ntp.org iburst\nserver 2.pool.ntp.org iburst\nserver 3.pool.ntp.org iburst<\/code><\/pre>\n<p>\u9019\u4e9b\u4f3a\u670d\u5668\u5c07\u5e6b\u52a9\u60a8\u7684 NTP \u4f3a\u670d\u5668\u7372\u53d6\u6e96\u78ba\u7684\u6642\u9593\u3002<\/p>\n<h2 id=\"%e9%98%b2%e7%81%ab%e7%89%86%e8%a8%ad%e7%bd%ae-oMklMbDglN\">\u9632\u706b\u7246\u8a2d\u7f6e<\/h2>\n<p>\u70ba\u4e86\u8b93 NTP \u4f3a\u670d\u5668\u6b63\u5e38\u5de5\u4f5c\uff0c\u60a8\u9700\u8981\u78ba\u4fdd\u9632\u706b\u7246\u5141\u8a31 NTP \u6d41\u91cf\u3002\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u958b\u653e UDP 123 \u7aef\u53e3\uff1a<\/p>\n<pre><code>sudo firewall-cmd --permanent --add-port=123\/udp\nsudo firewall-cmd --reload<\/code><\/pre>\n<h2 id=\"%e6%aa%a2%e6%9f%a5-ntp-%e6%9c%8d%e5%8b%99%e7%8b%80%e6%85%8b-oMklMbDglN\">\u6aa2\u67e5 NTP \u670d\u52d9\u72c0\u614b<\/h2>\n<p>\u914d\u7f6e\u5b8c\u6210\u5f8c\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u6aa2\u67e5 NTP \u670d\u52d9\u7684\u72c0\u614b\uff1a<\/p>\n<pre><code>sudo systemctl status ntpd<\/code><\/pre>\n<p>\u6b64\u5916\uff0c\u60a8\u9084\u53ef\u4ee5\u4f7f\u7528 ntpq \u547d\u4ee4\u4f86\u6aa2\u67e5 NTP \u540c\u6b65\u72c0\u614b\uff1a<\/p>\n<pre><code>ntpq -p<\/code><\/pre>\n<p>\u9019\u5c07\u986f\u793a\u7576\u524d NTP \u4f3a\u670d\u5668\u7684\u72c0\u614b\u548c\u540c\u6b65\u7684\u4f3a\u670d\u5668\u5217\u8868\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-oMklMbDglN\">\u7e3d\u7d50<\/h2>\n<p>\u5728 CentOS 7 \u4e0a\u90e8\u7f72 NTP \u6642\u9593\u4f3a\u670d\u5668\u662f\u4e00\u500b\u76f8\u5c0d\u7c21\u55ae\u7684\u904e\u7a0b\uff0c\u901a\u904e\u5b89\u88dd NTP \u8edf\u4ef6\u5305\u3001\u914d\u7f6e\u4f3a\u670d\u5668\u548c\u8a2d\u7f6e\u9632\u706b\u7246\uff0c\u60a8\u53ef\u4ee5\u78ba\u4fdd\u7db2\u7d61\u4e2d\u6240\u6709\u8a2d\u5099\u7684\u6642\u9593\u4e00\u81f4\u3002\u9019\u5c0d\u65bc\u7dad\u8b77\u7cfb\u7d71\u7684\u7a69\u5b9a\u6027\u548c\u5b89\u5168\u6027\u81f3\u95dc\u91cd\u8981\u3002\u5982\u679c\u60a8\u9700\u8981\u66f4\u9ad8\u6548\u7684\u89e3\u6c7a\u65b9\u6848\uff0c\u8003\u616e\u4f7f\u7528 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u4f86\u904b\u884c\u60a8\u7684 NTP \u4f3a\u670d\u5668\uff0c\u9019\u5c07\u70ba\u60a8\u7684\u696d\u52d9\u63d0\u4f9b\u66f4\u597d\u7684\u652f\u6301\u548c\u6027\u80fd\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b78\u7fd2\u5982\u4f55\u5728 CentOS 7 \u4e0a\u90e8\u7f72 NTP \u6642\u9593\u4f3a\u670d\u5668\uff0c\u78ba\u4fdd\u7cfb\u7d71\u6642\u9593\u6e96\u78ba\u540c\u6b65\uff0c\u63d0\u5347\u7db2\u7d61\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-43106","post","type-post","status-publish","format-standard","hentry","category-setup-tutorials"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/43106","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=43106"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/43106\/revisions"}],"predecessor-version":[{"id":43107,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/43106\/revisions\/43107"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=43106"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=43106"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=43106"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}