{"id":42672,"date":"2024-10-03T23:02:45","date_gmt":"2024-10-03T15:02:45","guid":{"rendered":"https:\/\/server.hk\/cnblog\/42672\/"},"modified":"2024-10-03T23:02:45","modified_gmt":"2024-10-03T15:02:45","slug":"centos-6-9-%e4%b8%8b-ntp-%e6%99%82%e9%96%93%e4%bc%ba%e6%9c%8d%e5%99%a8%e6%90%ad%e5%bb%ba","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/42672\/","title":{"rendered":"CentOS 6.9 \u4e0b NTP \u6642\u9593\u4f3a\u670d\u5668\u642d\u5efa"},"content":{"rendered":"<h1 id=\"centos-6-9-%e4%b8%8b-ntp-%e6%99%82%e9%96%93%e4%bc%ba%e6%9c%8d%e5%99%a8%e6%90%ad%e5%bb%ba-XFbjthhKPH\">CentOS 6.9 \u4e0b NTP \u6642\u9593\u4f3a\u670d\u5668\u642d\u5efa<\/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\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 6.9 \u4e0a\u642d\u5efa NTP\uff08Network Time Protocol\uff09\u6642\u9593\u4f3a\u670d\u5668\uff0c\u4ee5\u78ba\u4fdd\u7cfb\u7d71\u6642\u9593\u7684\u6e96\u78ba\u6027\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af-ntp%ef%bc%9f-XFbjthhKPH\">\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\u53ef\u4ee5\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\u4e26\u4e14\u80fd\u5920\u5728\u4e0d\u540c\u7684\u7db2\u7d61\u74b0\u5883\u4e2d\u904b\u884c\u3002<\/p>\n<h2 id=\"%e6%90%ad%e5%bb%ba-ntp-%e4%bc%ba%e6%9c%8d%e5%99%a8%e7%9a%84%e6%ad%a5%e9%a9%9f-XFbjthhKPH\">\u642d\u5efa NTP \u4f3a\u670d\u5668\u7684\u6b65\u9a5f<\/h2>\n<h3 id=\"1-%e5%ae%89%e8%a3%9d-ntp-%e8%bb%9f%e4%bb%b6-XFbjthhKPH\">1. \u5b89\u88dd NTP \u8edf\u4ef6<\/h3>\n<p>\u9996\u5148\uff0c\u60a8\u9700\u8981\u5728 CentOS 6.9 \u4e0a\u5b89\u88dd NTP \u8edf\u4ef6\u5305\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u9032\u884c\u5b89\u88dd\uff1a<\/p>\n<pre><code>sudo yum install ntp<\/code><\/pre>\n<h3 id=\"2-%e9%85%8d%e7%bd%ae-ntp-%e4%bc%ba%e6%9c%8d%e5%99%a8-XFbjthhKPH\">2. \u914d\u7f6e NTP \u4f3a\u670d\u5668<\/h3>\n<p>\u5b89\u88dd\u5b8c\u6210\u5f8c\uff0c\u60a8\u9700\u8981\u7de8\u8f2f NTP \u7684\u914d\u7f6e\u6587\u4ef6\u3002\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u6253\u958b\u914d\u7f6e\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\u6dfb\u52a0\u6216\u4fee\u6539 NTP \u4f3a\u670d\u5668\u7684\u5730\u5740\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u793a\u4f8b\u914d\u7f6e\uff1a<\/p>\n<pre><code>server 0.centos.pool.ntp.org iburst\nserver 1.centos.pool.ntp.org iburst\nserver 2.centos.pool.ntp.org iburst\nserver 3.centos.pool.ntp.org iburst<\/code><\/pre>\n<p>\u9019\u4e9b\u4f3a\u670d\u5668\u662f CentOS \u63d0\u4f9b\u7684\u516c\u5171 NTP \u4f3a\u670d\u5668\uff0c\u60a8\u4e5f\u53ef\u4ee5\u6839\u64da\u9700\u8981\u6dfb\u52a0\u5176\u4ed6\u4f3a\u670d\u5668\u3002<\/p>\n<h3 id=\"3-%e5%95%9f%e5%8b%95-ntp-%e6%9c%8d%e5%8b%99-XFbjthhKPH\">3. \u555f\u52d5 NTP \u670d\u52d9<\/h3>\n<p>\u914d\u7f6e\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 service ntpd start\nsudo chkconfig ntpd on<\/code><\/pre>\n<h3 id=\"4-%e9%a9%97%e8%ad%89-ntp-%e4%bc%ba%e6%9c%8d%e5%99%a8%e7%9a%84%e9%81%8b%e8%a1%8c%e7%8b%80%e6%85%8b-XFbjthhKPH\">4. \u9a57\u8b49 NTP \u4f3a\u670d\u5668\u7684\u904b\u884c\u72c0\u614b<\/h3>\n<p>\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u6aa2\u67e5 NTP \u4f3a\u670d\u5668\u7684\u904b\u884c\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\u72c0\u614b\uff0c\u5305\u62ec\u5df2\u540c\u6b65\u7684\u4f3a\u670d\u5668\u5217\u8868\u53ca\u5176\u5ef6\u9072\u6642\u9593\u3002<\/p>\n<h2 id=\"%e9%98%b2%e7%81%ab%e7%89%86%e8%a8%ad%e7%bd%ae-XFbjthhKPH\">\u9632\u706b\u7246\u8a2d\u7f6e<\/h2>\n<p>\u5982\u679c\u60a8\u7684\u4f3a\u670d\u5668\u555f\u7528\u4e86\u9632\u706b\u7246\uff0c\u60a8\u9700\u8981\u5141\u8a31 NTP \u7684 UDP 123 \u7aef\u53e3\u901a\u904e\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u9032\u884c\u8a2d\u7f6e\uff1a<\/p>\n<pre><code>sudo iptables -A INPUT -p udp --dport 123 -j ACCEPT\nsudo service iptables save<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-XFbjthhKPH\">\u7e3d\u7d50<\/h2>\n<p>\u642d\u5efa NTP \u6642\u9593\u4f3a\u670d\u5668\u662f\u4e00\u500b\u76f8\u5c0d\u7c21\u55ae\u7684\u904e\u7a0b\uff0c\u80fd\u5920\u6709\u6548\u5730\u63d0\u9ad8\u7cfb\u7d71\u7684\u6642\u9593\u6e96\u78ba\u6027\u3002\u901a\u904e\u4e0a\u8ff0\u6b65\u9a5f\uff0c\u60a8\u53ef\u4ee5\u5728 CentOS 6.9 \u4e0a\u6210\u529f\u642d\u5efa NTP \u4f3a\u670d\u5668\uff0c\u4e26\u78ba\u4fdd\u60a8\u7684\u4f3a\u670d\u5668\u5728\u904b\u884c\u904e\u7a0b\u4e2d\u4fdd\u6301\u6e96\u78ba\u7684\u6642\u9593\u3002\u5982\u679c\u60a8\u9700\u8981\u66f4\u9ad8\u6548\u7684\u4f3a\u670d\u5668\u89e3\u6c7a\u65b9\u6848\uff0c\u8acb\u8003\u616e\u6211\u5011\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u670d\u52d9\uff0c\u70ba\u60a8\u7684\u696d\u52d9\u63d0\u4f9b\u7a69\u5b9a\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b78\u7fd2\u5982\u4f55\u5728 CentOS 6.9 \u4e0a\u642d\u5efa NTP \u6642\u9593\u4f3a\u670d\u5668\uff0c\u78ba\u4fdd\u7cfb\u7d71\u6642\u9593\u6e96\u78ba\u540c\u6b65\uff0c\u63d0\u5347\u4f3a\u670d\u5668\u7a69\u5b9a\u6027\u8207\u53ef\u9760\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-42672","post","type-post","status-publish","format-standard","hentry","category-setup-tutorials"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/42672","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=42672"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/42672\/revisions"}],"predecessor-version":[{"id":42673,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/42672\/revisions\/42673"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=42672"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=42672"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=42672"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}