{"id":43918,"date":"2024-10-06T11:29:12","date_gmt":"2024-10-06T03:29:12","guid":{"rendered":"https:\/\/server.hk\/cnblog\/43918\/"},"modified":"2024-10-06T11:29:12","modified_gmt":"2024-10-06T03:29:12","slug":"centos-7-%e4%b8%ad%e5%ae%89%e8%a3%9d-ntp-%e7%b6%b2%e7%b5%a1%e6%99%82%e9%96%93%e5%8d%94%e8%ad%b0","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/43918\/","title":{"rendered":"CentOS 7 \u4e2d\u5b89\u88dd NTP \u7db2\u7d61\u6642\u9593\u5354\u8b70"},"content":{"rendered":"<h1 id=\"centos-7-%e4%b8%ad%e5%ae%89%e8%a3%9d-ntp-%e7%b6%b2%e7%b5%a1%e6%99%82%e9%96%93%e5%8d%94%e8%ad%b0-XzfgFkEndQ\">CentOS 7 \u4e2d\u5b89\u88dd NTP \u7db2\u7d61\u6642\u9593\u5354\u8b70<\/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\u6578\u64da\u5eab\u7684\u6642\u9593\u6233\u3001\u65e5\u8a8c\u6587\u4ef6\u7684\u8a18\u9304\uff0c\u9084\u662f\u7db2\u7d61\u5b89\u5168\u7684\u9a57\u8b49\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\u7684\u6642\u9593\u8207\u4e92\u806f\u7db2\u4e0a\u7684\u6642\u9593\u4f3a\u670d\u5668\u4fdd\u6301\u4e00\u81f4\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u5982\u4f55\u5728 CentOS 7 \u7cfb\u7d71\u4e2d\u5b89\u88dd\u548c\u914d\u7f6e NTP\u3002<\/p>\n<h2 id=\"%e5%ae%89%e8%a3%9d-ntp-XzfgFkEndQ\">\u5b89\u88dd NTP<\/h2>\n<p>\u9996\u5148\uff0c\u60a8\u9700\u8981\u78ba\u4fdd\u60a8\u7684 CentOS 7 \u7cfb\u7d71\u5df2\u7d93\u66f4\u65b0\u5230\u6700\u65b0\u7248\u672c\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u4f86\u66f4\u65b0\u7cfb\u7d71\uff1a<\/p>\n<pre><code>sudo yum update<\/code><\/pre>\n<p>\u63a5\u4e0b\u4f86\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u5b89\u88dd NTP \u670d\u52d9\uff1a<\/p>\n<pre><code>sudo yum install ntp<\/code><\/pre>\n<p>\u5b89\u88dd\u5b8c\u6210\u5f8c\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u555f\u52d5 NTP \u670d\u52d9\uff1a<\/p>\n<pre><code>sudo systemctl start ntpd<\/code><\/pre>\n<p>\u70ba\u4e86\u78ba\u4fdd NTP \u670d\u52d9\u5728\u7cfb\u7d71\u555f\u52d5\u6642\u81ea\u52d5\u555f\u52d5\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<pre><code>sudo systemctl enable ntpd<\/code><\/pre>\n<h2 id=\"%e9%85%8d%e7%bd%ae-ntp-XzfgFkEndQ\">\u914d\u7f6e NTP<\/h2>\n<p>\u5b89\u88dd\u548c\u555f\u52d5 NTP \u670d\u52d9\u5f8c\uff0c\u60a8\u53ef\u80fd\u9700\u8981\u6839\u64da\u60a8\u7684\u9700\u6c42\u9032\u884c\u914d\u7f6e\u3002NTP \u7684\u914d\u7f6e\u6587\u4ef6\u4f4d\u65bc \/etc\/ntp.conf\u3002\u60a8\u53ef\u4ee5\u4f7f\u7528\u6587\u672c\u7de8\u8f2f\u5668\uff08\u5982 vi \u6216 nano\uff09\u4f86\u7de8\u8f2f\u6b64\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 NTP \u4f3a\u670d\u5668\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\u4e9b\u4f3a\u670d\u5668\u662f\u4f86\u81ea\u9999\u6e2f\u7684 NTP \u4f3a\u670d\u5668\uff0c\u80fd\u5920\u63d0\u4f9b\u66f4\u5feb\u7684\u6642\u9593\u540c\u6b65\u3002<\/p>\n<h2 id=\"%e6%aa%a2%e6%9f%a5-ntp-%e7%8b%80%e6%85%8b-XzfgFkEndQ\">\u6aa2\u67e5 NTP \u72c0\u614b<\/h2>\n<p>\u914d\u7f6e\u5b8c\u6210\u5f8c\uff0c\u60a8\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\u5c07\u986f\u793a\u7576\u524d NTP \u4f3a\u670d\u5668\u7684\u72c0\u614b\uff0c\u5305\u62ec\u4f3a\u670d\u5668\u7684\u5ef6\u9072\u3001\u504f\u5dee\u548c\u5176\u4ed6\u4fe1\u606f\u3002\u5982\u679c\u4e00\u5207\u6b63\u5e38\uff0c\u60a8\u61c9\u8a72\u80fd\u5920\u770b\u5230\u5df2\u7d93\u540c\u6b65\u7684\u4f3a\u670d\u5668\u5217\u8868\u3002<\/p>\n<h2 id=\"%e9%98%b2%e7%81%ab%e7%89%86%e8%a8%ad%e7%bd%ae-XzfgFkEndQ\">\u9632\u706b\u7246\u8a2d\u7f6e<\/h2>\n<p>\u5982\u679c\u60a8\u7684 CentOS 7 \u7cfb\u7d71\u555f\u7528\u4e86\u9632\u706b\u7246\uff0c\u60a8\u9700\u8981\u78ba\u4fdd NTP \u7684\u7aef\u53e3\uff08UDP 123\uff09\u662f\u958b\u653e\u7684\u3002\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u4f86\u958b\u653e\u6b64\u7aef\u53e3\uff1a<\/p>\n<pre><code>sudo firewall-cmd --permanent --add-port=123\/udp\nsudo firewall-cmd --reload<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-XzfgFkEndQ\">\u7e3d\u7d50<\/h2>\n<p>\u5728 CentOS 7 \u4e2d\u5b89\u88dd\u548c\u914d\u7f6e NTP \u662f\u4e00\u500b\u76f8\u5c0d\u7c21\u55ae\u7684\u904e\u7a0b\uff0c\u80fd\u5920\u78ba\u4fdd\u60a8\u7684\u4f3a\u670d\u5668\u6642\u9593\u7684\u6e96\u78ba\u6027\u3002\u901a\u904e\u4f7f\u7528 NTP\uff0c\u60a8\u53ef\u4ee5\u907f\u514d\u56e0\u6642\u9593\u4e0d\u540c\u6b65\u800c\u5c0e\u81f4\u7684\u5404\u7a2e\u554f\u984c\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u53ef\u7528\u6027\u548c\u6e96\u78ba\u6027\u7684\u61c9\u7528\uff0c\u9019\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u53ef\u9760\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u80fd\u5920\u6eff\u8db3\u60a8\u7684\u9700\u6c42\u3002\u7121\u8ad6\u662f\u4f01\u696d\u7d1a\u61c9\u7528\u9084\u662f\u500b\u4eba\u9805\u76ee\uff0c\u6211\u5011\u7684 <a href=\"https:\/\/server.hk\">\u4f3a\u670d\u5668<\/a> \u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u7a69\u5b9a\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b78\u7fd2\u5982\u4f55\u5728 CentOS 7 \u4e0a\u5b89\u88dd\u548c\u914d\u7f6e NTP \u7db2\u7d61\u6642\u9593\u5354\u8b70\uff0c\u4ee5\u78ba\u4fdd\u7cfb\u7d71\u6642\u9593\u7684\u6e96\u78ba\u6027\u548c\u540c\u6b65\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-43918","post","type-post","status-publish","format-standard","hentry","category-setup-tutorials"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/43918","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=43918"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/43918\/revisions"}],"predecessor-version":[{"id":43919,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/43918\/revisions\/43919"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=43918"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=43918"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=43918"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}