{"id":216055,"date":"2021-04-24T08:31:24","date_gmt":"2021-04-24T00:31:24","guid":{"rendered":"https:\/\/gulass.cn\/?p=216055"},"modified":"2021-04-12T09:32:14","modified_gmt":"2021-04-12T01:32:14","slug":"linux-command-ntpdate","status":"publish","type":"post","link":"https:\/\/gulass.cn\/linux-command-ntpdate.html","title":{"rendered":"Linux\u547d\u4ee4ntpdate"},"content":{"rendered":"<table>\n<tbody>\n<tr>\n<td style=\"padding: 5px 12px; width: 25px; font-size: 22px; text-align: center; background: #E8E8E8; line-height: 30px; color: #999;\">\u5bfc\u8bfb<\/td>\n<td style=\"padding: 10px 10px 12px; line-height: 20px;\"><strong>ntpddate \u547d\u4ee4\u7528\u4e8e\u4f7f\u7528\u7f51\u7edc\u8ba1\u65f6\u534f\u8bae(NTP)\u8bbe\u7f6e\u65e5\u671f\u548c\u65f6\u95f4\u3002\u8fd8\u53ef\u4ee5\u7528\u4e8e\u540c\u6b65\u65f6\u95f4\uff0c\u6b64\u547d\u4ee4\u9700\u8981\u5177\u5907root\u7ba1\u7406\u5458\u6743\u9650\u624d\u53ef\u6267\u884c\u3002<\/strong><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-216062 aligncenter\" src=\"https:\/\/gulass.cn\/wp-content\/uploads\/2021\/04\/1-10.jpg\" alt=\"\" width=\"600\" height=\"256\" srcset=\"https:\/\/gulass.cn\/wp-content\/uploads\/2021\/04\/1-10.jpg 600w, https:\/\/gulass.cn\/wp-content\/uploads\/2021\/04\/1-10-300x128.jpg 300w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/p>\n<div   id="7zif2anh9s"    style=\"font-size: 14pt; color: white; background-color: black; border-left: red 10px solid; padding-left: 14px; margin-bottom: 20px; margin-top: 20px;\"><strong>\u547d\u4ee4\u7b80\u4ecb<\/strong><\/div>\n<p>ntpddate \u547d\u4ee4\u7528\u4e8e\u4f7f\u7528\u7f51\u7edc\u8ba1\u65f6\u534f\u8bae(NTP)\u8bbe\u7f6e\u65e5\u671f\u548c\u65f6\u95f4\u3002\u8fd8\u53ef\u4ee5\u7528\u4e8e\u540c\u6b65\u65f6\u95f4\uff0c\u6b64\u547d\u4ee4\u9700\u8981\u5177\u5907root\u7ba1\u7406\u5458\u6743\u9650\u624d\u53ef\u6267\u884c\u3002<\/p>\n<pre>[root@centos7 ~]# ntpdate \r\n-bash: ntpdate: command not found \r\n[root@centos7 ~]# yum install ntpdate -y \r\n<\/pre>\n<div   id="7zif2anh9s"    style=\"font-size: 14pt; color: white; background-color: black; border-left: red 10px solid; padding-left: 14px; margin-bottom: 20px; margin-top: 20px;\"><strong>\u8bed\u6cd5\u683c\u5f0f<\/strong><\/div>\n<p>ntpdate [ -b] [ -d] [ -s] [ -u] [ -aKeyid] [ -eAuthenticationDelay] [ -kKeyFile] [ -oVersion] [ -pSamples] [ -tTimeOut] Server...<\/p>\n<div   id="7zif2anh9s"    style=\"font-size: 14pt; color: white; background-color: black; border-left: red 10px solid; padding-left: 14px; margin-bottom: 20px; margin-top: 20px;\"><strong>\u9009\u9879\u8bf4\u660e<\/strong><\/div>\n<pre> \r\n-aKeyid  #\u4f7f\u7528 Keyid \u6765\u8ba4\u8bc1\u5168\u90e8\u6570\u636e\u5305 \r\n-b       #\u901a\u8fc7\u8c03\u7528 settimeofday \u5b50\u4f8b\u7a0b\u6765\u589e\u52a0\u65f6\u949f\u7684\u65f6\u95f4 \r\n-d       #\u6307\u5b9a\u8c03\u8bd5\u65b9\u5f0f \r\n-eAuthenticationDelay   #\u6307\u5b9a\u5ef6\u8fdf\u8ba4\u8bc1\u5904\u7406\u7684\u65f6\u95f4\u79d2\u6570\u3002 \r\n-oVersion      #\u6307\u5b9a\u4f7f\u7528\u7684 NTP \u7248\u672c\u5b9e\u73b0 \r\n-pSamples      #\u6307\u5b9a\u4ece\u6bcf\u4e2a\u670d\u52a1\u5668\u83b7\u53d6\u7684\u6837\u672c\u7684\u6570\u76ee \r\n-s          #\u6307\u5b9a\u65e5\u5fd7\u64cd\u4f5c \r\n-tTimeOut   #\u6307\u5b9a\u7b49\u5f85\u54cd\u5e94\u7684\u65f6\u95f4 \r\n-u          #\u6307\u5b9a\u4f7f\u7528\u65e0\u7279\u6743\u7684\u7aef\u53e3\u53d1\u9001\u6570\u636e\u5305 \r\n<\/pre>\n<div   id="7zif2anh9s"    style=\"font-size: 14pt; color: white; background-color: black; border-left: red 10px solid; padding-left: 14px; margin-bottom: 20px; margin-top: 20px;\"><strong>\u5e94\u7528\u4e3e\u4f8b<\/strong><\/div>\n<p>\u540c\u6b65\u65f6\u95f4<\/p>\n<pre>[root@centos7 ~]# date \r\nSun Mar 28 13:09:22 EDT 2021 \r\n[root@centos7 ~]# ntpdate 0.centos.pool.ntp.org \r\n28 Mar 23:11:13 ntpdate[5516]: step time server 182.92.12.11 offset 36090.505486 sec \r\n[root@centos7 ~]# date \r\nSun Mar 28 23:11:21 EDT 2021 \r\n \r\n[root@centos7 ~]# ntpdate 0.centos.pool.ntp.org \r\n28 Mar 23:11:55 ntpdate[5519]: step time server 182.92.12.11 offset -0.722305 sec \r\n[root@centos7 ~]# ntpdate asia.pool.ntp.org;hwclock -w \r\n28 Mar 23:12:28 ntpdate[5520]: adjust time server 133.243.238.163 offset -0.013789 sec\r\n<\/pre>\n","protected":false},"excerpt":{"rendered":"<p>ntpddate \u547d\u4ee4\u7528\u4e8e\u4f7f\u7528\u7f51\u7edc\u8ba1\u65f6\u534f\u8bae(NTP)\u8bbe\u7f6e\u65e5\u671f\u548c\u65f6\u95f4\u3002\u8fd8\u53ef\u4ee5\u7528\u4e8e\u540c\u6b65\u65f6\u95f4\uff0c\u6b64\u547d\u4ee4\u9700\u8981\u5177\u5907root [&hellip;]<\/p>\n","protected":false},"author":1329,"featured_media":216064,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[55],"tags":[],"class_list":["post-216055","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-thread"],"acf":[],"_links":{"self":[{"href":"https:\/\/gulass.cn\/wp-json\/wp\/v2\/posts\/216055","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/gulass.cn\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/gulass.cn\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/gulass.cn\/wp-json\/wp\/v2\/users\/1329"}],"replies":[{"embeddable":true,"href":"https:\/\/gulass.cn\/wp-json\/wp\/v2\/comments?post=216055"}],"version-history":[{"count":1,"href":"https:\/\/gulass.cn\/wp-json\/wp\/v2\/posts\/216055\/revisions"}],"predecessor-version":[{"id":216065,"href":"https:\/\/gulass.cn\/wp-json\/wp\/v2\/posts\/216055\/revisions\/216065"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/gulass.cn\/wp-json\/wp\/v2\/media\/216064"}],"wp:attachment":[{"href":"https:\/\/gulass.cn\/wp-json\/wp\/v2\/media?parent=216055"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/gulass.cn\/wp-json\/wp\/v2\/categories?post=216055"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/gulass.cn\/wp-json\/wp\/v2\/tags?post=216055"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}