{"id":136825,"date":"2023-05-21T04:04:04","date_gmt":"2023-05-20T20:04:04","guid":{"rendered":"http:\/\/www.idc.net\/help\/136825\/"},"modified":"2023-05-21T04:04:04","modified_gmt":"2023-05-20T20:04:04","slug":"%e8%bd%bb%e6%9d%be%e5%ae%9e%e7%8e%b0%e6%97%b6%e9%97%b4%e5%90%8c%e6%ad%a5%ef%bc%9a%e4%bd%bf%e7%94%a8linux-sntp%e5%ae%a2%e6%88%b7%e7%ab%af-linux-sntp-%e5%ae%a2%e6%88%b7%e7%ab%af","status":"publish","type":"post","link":"https:\/\/idc.net\/help\/136825\/","title":{"rendered":"\u8f7b\u677e\u5b9e\u73b0\u65f6\u95f4\u540c\u6b65\uff1a\u4f7f\u7528linux sntp\u5ba2\u6237\u7aef (linux sntp \u5ba2\u6237\u7aef)"},"content":{"rendered":"<p>\u65f6\u95f4\u540c\u6b65\u5bf9\u4e8e\u8ba1\u7b97\u673a\u7cfb\u7edf\u6765\u8bf4\u975e\u5e38\u91cd\u8981\uff0c\u5c24\u5176\u662f\u5728\u591a\u53f0\u8ba1\u7b97\u673a\u534f\u540c\u5de5\u4f5c\u7684\u60c5\u51b5\u4e0b\uff0c\u7edf\u4e00\u7684\u65f6\u95f4\u6807\u51c6\u53ef\u4ee5\u786e\u4fdd\u5404\u4e2a\u8ba1\u7b97\u673a\u7cfb\u7edf\u4e4b\u95f4\u7684\u4fe1\u606f\u4ea4\u6d41\u548c\u534f\u4f5c\u6548\u7387\u3002\u5728Linux\u7cfb\u7edf\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528sntp\u5ba2\u6237\u7aef\u8f7b\u677e\u5b9e\u73b0\u65f6\u95f4\u540c\u6b65\uff0c\u672c\u6587\u5c06\u4ecb\u7ecd\u5982\u4f55\u4f7f\u7528sntp\u5ba2\u6237\u7aef\u6765\u540c\u6b65\u65f6\u95f4\u3002<\/p>\n<p>\u4e00\u3001sntp\u5ba2\u6237\u7aef\u4ecb\u7ecd<\/p>\n<p>SNTP\uff08Simple Network Time Protocol\uff09\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u7f51\u7edc\u65f6\u95f4\u534f\u8bae\uff0c\u4e0eNTP\uff08Network Time Protocol\uff09\u76f8\u4f3c\u3002\u5b83\u88ab\u5e7f\u6cdb\u5e94\u7528\u4e8e\u5728\u7f51\u7edc\u73af\u5883\u4e2d\u5bf9\u65f6\u949f\u8fdb\u884c\u7cbe\u786e\u7684\u540c\u6b65\u3002NTP\u662f\u57fa\u4e8eUDP\u534f\u8bae\u7684\uff0c\u5c5e\u4e8e\u4e00\u79cd\u6d88\u606f\u4f20\u9012\u5f0f\u7684\u534f\u8bae\uff0c\u800cSNTP\u5219\u662f\u7b80\u5316\u7248\u672c\u7684NTP\uff0c\u6807\u51c6\u4e3aRFC2023\u3002<\/p>\n<p>sntp\u662f\u4e00\u79cd\u5c0f\u578b\u7684NTP\u5ba2\u6237\u7aef\u7a0b\u5e8f\uff0c\u8fd0\u884c\u5728\u5404\u79cd\u64cd\u4f5c\u7cfb\u7edf\u4e0a\u3002\u4e0e\u5176\u4ed6\u7684sntp\u5ba2\u6237\u7aef\u4e0d\u540c\uff0cLinux sntp\u5ba2\u6237\u7aef\u4e0d\u9700\u8981\u4efb\u4f55\u989d\u5916\u7684\u5b89\u88c5\u6216\u914d\u7f6e\uff0c\u56e0\u4e3a\u5b83\u5df2\u7ecf\u88ab\u6253\u5305\u5728\u4e86Linux\u7cfb\u7edf\u4e2d\u3002<\/p>\n<p>\u4e8c\u3001\u5b89\u88c5sntp\u5ba2\u6237\u7aef<\/p>\n<p>\u7531\u4e8esntp\u5ba2\u6237\u7aef\u5df2\u7ecf\u9884\u5b89\u88c5\u5728\u4e86Linux\u7cfb\u7edf\u4e2d\uff0c\u5982\u679c\u60a8\u7684\u7cfb\u7edf\u4e2d\u6ca1\u6709\u5b89\u88c5\u6b64\u8f6f\u4ef6\u5305\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u8fdb\u884c\u5b89\u88c5\uff1a<\/p>\n<p>\u201c`<\/p>\n<p>sudo apt-get install sntp<\/p>\n<p>\u201c`<\/p>\n<p>\u5982\u679c\u60a8\u4f7f\u7528\u5176\u4ed6\u7684Linux\u7248\u672c\uff0c\u8bf7\u641c\u7d22\u76f8\u5173\u6587\u6863\u67e5\u770b\u60a8\u7684\u7cfb\u7edf\u4e2d\u662f\u5426\u5df2\u7ecf\u5b89\u88c5\u4e86sntp\u3002<\/p>\n<p>\u4e09\u3001\u4f7f\u7528sntp\u5ba2\u6237\u7aef\u540c\u6b65\u65f6\u95f4<\/p>\n<p>1. \u4f7f\u7528\u6307\u4ee4sntp\u547d\u4ee4\u67e5\u770b\u5f53\u524d\u7cfb\u7edf\u7684\u65f6\u95f4\u548c\u540c\u6b65\u670d\u52a1\u5668\u7684\u65f6\u95f4\uff1a<\/p>\n<p>\u201c`<\/p>\n<p>sntp time.windows.com<\/p>\n<p>\u201c`<\/p>\n<p>\u5176\u4e2d\uff0ctime.windows.com\u662f\u5fae\u8f6f\u63d0\u4f9b\u7684NTP\u670d\u52a1\u5668\u4e4b\u4e00\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u5176\u4ed6\u7684NTP\u670d\u52a1\u5668\u5730\u5740\u3002<\/p>\n<p>2. \u5c06\u672c\u5730\u670d\u52a1\u5668\u7684\u65f6\u95f4\u540c\u6b65\u5230\u8fdc\u7a0b\u670d\u52a1\u5668\uff1a<\/p>\n<p>\u201c`<\/p>\n<p>sudo sntp -s time.windows.com<\/p>\n<p>\u201c`<\/p>\n<p>\u5176\u4e2d\uff0c-s\u9009\u9879\u7528\u4e8e\u540c\u65f6\u8fdb\u884c\u683c\u5f0f\u5316\u8f93\u51fa\u548c\u8be2\u95ee\u65f6\u95f4\u540c\u6b65\uff0c\u800ctime.windows.com\u5219\u662fWindows\u670d\u52a1\u5668\u7684\u65f6\u95f4\u670d\u52a1\u5730\u5740\uff0c\u60a8\u53ef\u4ee5\u6839\u636e\u81ea\u5df1\u9700\u8981\u4f7f\u7528\u5176\u4ed6\u670d\u52a1\u5668\u5730\u5740\u3002<\/p>\n<p>3. \u521b\u5efacron\u4efb\u52a1\u5b9a\u671f\u540c\u6b65\u65f6\u95f4<\/p>\n<p>\u4f7f\u7528cron\u4efb\u52a1\u53ef\u4ee5\u5b9a\u671f\u6267\u884c\u4efb\u52a1\uff0c\u56e0\u6b64\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u8bbe\u7f6ecron\u4efb\u52a1\u5b9a\u671f\u540c\u6b65\u65f6\u95f4\u3002\u4f8b\u5982\uff0c\u60a8\u53ef\u4ee5\u8bbe\u7f6e\u6bcf5\u5206\u949f\u540c\u6b65\u4e00\u6b21\u65f6\u95f4:<\/p>\n<p>\u201c`<\/p>\n<p>sudo crontab -e<\/p>\n<p>\u201c`<\/p>\n<p>\u7136\u540e\uff0c\u5728\u6587\u4ef6\u4e2d\u6dfb\u52a0\u4ee5\u4e0b\u884c\uff1a<\/p>\n<p>\u201c`<\/p>\n<p>*\/5 * * * * sntp -s time.windows.com<\/p>\n<p>\u201c`<\/p>\n<p>\u4fdd\u5b58\u8be5\u6587\u4ef6\u540e\uff0ccron\u5c06\u6bcf5\u5206\u949f\u6267\u884c\u8be5\u547d\u4ee4\uff0c\u60a8\u4e5f\u53ef\u4ee5\u6839\u636e\u9700\u8981\u66f4\u6539\u65f6\u95f4\u95f4\u9694\u3002<\/p>\n<p>\u56db\u3001<\/p>\n<p>\u672c\u6587\u4ecb\u7ecd\u4e86\u5982\u4f55\u4f7f\u7528Linux sntp\u5ba2\u6237\u7aef\u6765\u5b9e\u73b0\u65f6\u95f4\u540c\u6b65\u3002\u901a\u8fc7sntp\u547d\u4ee4\uff0c\u60a8\u53ef\u4ee5\u8f7b\u677e\u5730\u540c\u6b65\u672c\u5730\u670d\u52a1\u5668\u7684\u65f6\u95f4\u5230\u5176\u4ed6NTP\u670d\u52a1\u5668\uff0c\u786e\u4fdd\u5404\u4e2a\u670d\u52a1\u5668\u4e4b\u95f4\u7684\u4fe1\u606f\u4ea4\u6d41\u548c\u534f\u4f5c\u6548\u7387\u7684\u51c6\u786e\u6027\u3002\u540c\u65f6\uff0c\u901a\u8fc7\u8bbe\u7f6ecron\u4efb\u52a1\u5b9a\u671f\u540c\u6b65\u65f6\u95f4\uff0c\u53ef\u4ee5\u786e\u4fdd\u7cfb\u7edf\u4e2d\u7684\u65f6\u95f4\u59cb\u7ec8\u4fdd\u6301\u540c\u6b65\u3002\u5e0c\u671b\u8fd9\u7bc7\u6587\u7ae0\u5bf9\u60a8\u6709\u6240\u5e2e\u52a9\u3002<\/p>\n<p><strong>\u76f8\u5173\u95ee\u9898\u62d3\u5c55\u9605\u8bfb\uff1a<\/strong><\/p>\n<ul>\n<li>\u3010ntp\u3011NTP\u670d\u52a1\u5668\u65f6\u95f4\u540c\u6b65\u4e09\u90e8\u66f2<\/li>\n<\/ul>\n<h3>\u3010ntp\u3011NTP\u670d\u52a1\u5668\u65f6\u95f4\u540c\u6b65\u4e09\u90e8\u66f2<\/h3>\n<p>\u5728\u4e00\u53f0\u8ba1\u7b97\u673a\u4e0a\u6211\u4eec\u6709\u4e24\u4e2a\u65f6\u949f:\u4e00\u4e2a\u79f0\u4e4b\u4e3a\u786c\u4ef6\u65f6\u95f4\u65f6\u949f(RTC),\u8fd8\u6709\u4e00\u4e2a\u79f0\u4e4b\u4e3a\u7cfb\u7edf\u65f6\u949f(System Clock)\u3002<\/p>\n<p>\u7cfb\u7edf\u65f6\u949f\u5c31\u662f\u64cd\u4f5c\u7cfb\u7edf\u7684kernel\u6240\u7528\u6765\u8ba1\u7b97\u65f6\u95f4\u7684\u65f6\u949f. \u5b83\u4ece1970\u5e741\u67081\u65e500:00:00 UTC\u65f6\u95f4\u5230\u76ee\u524d\u4e3a\u6b62\u79d2\u6570\u603b\u548c\u7684\u503c\u3002<\/p>\n<p> \u5728Linux\u4e0b\uff0c\u7cfb\u7edf\u65f6\u95f4\u5728\u5f00\u673a\u7684\u65f6\u5019\u4f1a\u548cRTC\u786c\u4ef6\u65f6\u949f\u540c\u6b65(synchronization),\u4e4b\u540e\u4e5f\u5c31 \u5404\u81ea\u72ec\u7acb\u8fd0\u884c \u4e86\u3002<\/p>\n<p> \u7cfb\u7edf\u8fd0\u884c\u671f\u95f4\uff0c\u5219\u901a\u8fc7\u626e\u65c5\u5176\u4ed6\u786c\u4ef6\u65f6\u949f\u6e90\u8fdb\u884ctick\u8ba1\u7b97\uff08tsc\u3001hpet\u3001acpi_pm\uff09\u3002<\/p>\n<p> RTC\uff08real&nbsp;time&nbsp;clock\uff09\u901a\u8fc7\u4e3b\u677f\uff08CMOS\uff09\u7684\u7535\u78c1\u4f9b\u7535\uff0c\u7cbe\u786e\u5230\u79d2\u3002\u7528\u6237\u53ef\u624b\u5de5\u8bbe\u7f6eRTC\u65f6\u95f4\u3002 <\/p>\n<\/p>\n<p> 1. \u5f3a\u5236\u8dc3\u8fc1\u540c\u6b65<\/p>\n<p> ntpdate -u xx.xx.xx.xx<\/p>\n<p> xx.xx.xx.xx \u4e3antpServer\u5730\u5740\uff0c\u5982 ntp.aliyun.com<\/p>\n<p> \u6ce8\u610f\uff1a\u6b64\u65f6\u672c\u673a\u7684ntpd\u4e0d\u5385\u88e4\u51f3\u80fd\u542f\u52a8\uff0c\u5426\u5219\u6267\u884c ntpdate\u4f1a\u62a5socket\u5360\u7528 <\/p>\n<p>2. \u5c06\u7cfb\u7edf\u65f6\u95f4\u540c\u6b65\u5230\u786c\u4ef6\u65f6\u949f<\/p>\n<p> hwclock -w&nbsp;<\/p>\n<p>3. \u542f\u52a8ntpd\uff0c\u540e\u7eed\u5e73\u6ed1\u540c\u6b65<\/p>\n<p> systemctl start ntpd<\/p>\n<p> \u6ce8\u610f\uff1a\u6b64\u65f6\u672c\u673a\u7684\u4e0d\u80fd\u5728ntpd\u8fd0\u884c\u671f\u95f4\u6267\u884cntpdate\uff0c\u5426\u5219\u4f1a\u62a5socket\u5360\u7528<\/p>\n<p>NTP\u670d\u52a1\u5668\u65f6\u95f4\u76d1\u63a7\u811a\u672c <\/p>\n<\/p>\n<p> \u4f7f\u7528Prometheus\u76d1\u63a7\u65f6\u95f4\u6307\u6807 <\/p>\n<\/p>\n<p> Linux\u65f6\u95f4\u5b50\u7cfb\u7edf\u53canode-exporter\u5bf9\u65f6\u949f\u7684\u76d1\u63a7 <\/p>\n<\/p>\n<p> \u771f\u6b63\u8ba9\u4f60\u660e\u767dLinux NTP\uff08\u5305\u62ec\u5386\u7eaf\u6089\u53f2\u3001\u53c2\u6570\u89e3\u91ca\u3001\u5b89\u88c5\u914d\u7f6e\uff09 <\/p>\n<\/p>\n<p> GaussDB(DWS)NTP\u53d8\u66f4\u6307\u5357 <\/p>\n<\/p>\n<p> NTP\u65f6\u949f\u540c\u6b65\u5f02\u5e38\u544a\u8b66\u5904\u7406 <\/p>\n<\/p>\n<p> chrony\u670d\u52a1\u65f6\u95f4\u540c\u6b65\u5b9e\u9a8c <\/p>\n<\/p>\n<p> NTP \u670d\u52a1\u6982\u8ff0 <\/p>\n<\/p>\n<p> Linux \u5b9e\u4f8b\uff1a\u914d\u7f6e NTP \u670d\u52a1 <\/p>\n<\/p>\n<p> Linux \u5b9e\u4f8b\uff1a\u5c06 ntpdate \u8f6c\u6362\u4e3a ntpd <\/p>\n<\/p>\n<p> Redis 3.2.8\u96c6\u7fa4\u90e8\u7f72\u5b9e\u9a8c <\/p>\n<\/p>\n<p> Linux dns\u670d\u52a1 bind\u5b89\u88c5\u914d\u7f6e <\/p>\n<\/p>\n<p> printf\u683c\u5f0f\u5316\u8f93\u51fa <\/p>\n<\/p>\n<p> NTP\u534f\u8bae\u4e0eSNTP\u534f\u8bae\u7684\u533a\u522b <\/p>\n<\/p>\n<p> SNTP- Simple Network Time Protocol\u7b80\u5355\u7f51\u7edc\u65f6\u95f4\u534f\u8bae <\/p>\n<p>\u5173\u4e8elinux sntp \u5ba2\u6237\u7aef\u7684\u4ecb\u7ecd\u5230\u6b64\u5c31\u7ed3\u675f\u4e86\uff0c\u4e0d\u77e5\u9053\u4f60\u4ece\u4e2d\u627e\u5230\u4f60\u9700\u8981\u7684\u4fe1\u606f\u4e86\u5417 \uff1f\u5982\u679c\u4f60\u8fd8\u60f3\u4e86\u89e3\u66f4\u591a\u8fd9\u65b9\u9762\u7684\u4fe1\u606f\uff0c\u8bb0\u5f97\u6536\u85cf\u5173\u6ce8\u672c\u7ad9\u3002<\/p>\n<p><a href=\"http:https:\/\/idc.net\/\">\u9999\u6e2f\u670d\u52a1\u5668<\/a>\u9996\u9009\u540e\u6d6a\u4e91\uff0c2H2G\u9996\u670810\u5143\u5f00\u901a\u3002<br \/>\u540e\u6d6a\u4e91\uff08www.IDC.Net\uff09\u63d0\u4f9b\u7b80\u5355\u597d\u7528\uff0c\u4ef7\u683c\u539a\u9053\u7684\u9999\u6e2f\/\u7f8e\u56fd\u4e91\u670d\u52a1\u5668\u548c\u72ec\u7acb\u670d\u52a1\u5668\u3002IDC+ISP+ICP\u8d44\u8d28\u3002ARIN\u548cAPNIC\u4f1a\u5458\u3002\u6210\u719f\u6280\u672f\u56e2\u961f15\u5e74\u884c\u4e1a\u7ecf\u9a8c\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u65f6\u95f4\u540c\u6b65\u5bf9\u4e8e\u8ba1\u7b97\u673a\u7cfb\u7edf\u6765\u8bf4\u975e\u5e38\u91cd\u8981\uff0c\u5c24\u5176\u662f\u5728\u591a\u53f0\u8ba1\u7b97\u673a\u534f\u540c\u5de5\u4f5c\u7684\u60c5\u51b5\u4e0b\uff0c\u7edf\u4e00\u7684\u65f6\u95f4\u6807\u51c6\u53ef\u4ee5\u786e\u4fdd\u5404\u4e2a\u8ba1\u7b97\u673a\u7cfb\u7edf\u4e4b [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[34],"tags":[],"class_list":["post-136825","post","type-post","status-publish","format-standard","hentry","category-linux"],"_links":{"self":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/136825","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/comments?post=136825"}],"version-history":[{"count":0,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/136825\/revisions"}],"wp:attachment":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/media?parent=136825"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/categories?post=136825"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/tags?post=136825"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}