{"id":22941,"date":"2025-04-19T06:41:54","date_gmt":"2025-04-18T22:41:54","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/22941.html"},"modified":"2025-04-19T06:41:54","modified_gmt":"2025-04-18T22:41:54","slug":"linux%e7%b3%bb%e7%bb%9f%e6%97%b6%e9%97%b4%e6%9c%8d%e5%8a%a1-chrony%e6%9c%8d%e5%8a%a1%e5%99%a8","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/22941.html","title":{"rendered":"Linux\u7cfb\u7edf\u65f6\u95f4\u670d\u52a1\u2014\u2014Chrony\u670d\u52a1\u5668"},"content":{"rendered":"<\/p>\n<h4>\u6587\u7ae0\u76ee\u5f55<\/h4>\n<ul>\n<li>Linux\u7cfb\u7edf\u65f6\u95f4\u670d\u52a1\u2014\u2014Chrony\u670d\u52a1\u5668<\/li>\n<li>\n<ul>\n<li>\u524d\u8a00<\/li>\n<li>\n<ul>\n<li>\u65f6\u95f4\u540c\u6b65\u7684\u91cd\u8981\u6027<\/li>\n<li>Linux\u7cfb\u7edf\u7684\u4e24\u79cd\u65f6\u949f<\/li>\n<li>\u7cfb\u7edf\u65f6\u949f&#xff08;System Clock&#xff09;<\/li>\n<li>\u76f8\u5173\u547d\u4ee4<\/li>\n<li>\u786c\u4ef6\u65f6\u949f (RTC &#8211; Real Time Clock)<\/li>\n<li>\u76f8\u5173\u547d\u4ee4<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<li>Chrony\u4ecb\u7ecd<\/li>\n<li>\n<ul>\n<li>NTP<\/li>\n<\/ul>\n<\/li>\n<li>Chronyc\u76f8\u5173\u547d\u4ee4<\/li>\n<li>\n<ul>\n<li>\u670d\u52a1\u7ba1\u7406\u76f8\u5173\u547d\u4ee4<\/li>\n<li>chronyc \u57fa\u672c\u547d\u4ee4<\/li>\n<li>\u65f6\u95f4\u6821\u6b63\u548c\u63a7\u5236\u547d\u4ee4<\/li>\n<li>NTP \u65f6\u95f4\u6e90\u7ba1\u7406<\/li>\n<li>\u8c03\u8bd5\u548c\u76d1\u63a7\u547d\u4ee4<\/li>\n<li>\u65e5\u5fd7\u548c\u4e8b\u4ef6<\/li>\n<li>\u4fdd\u5b58\u548c\u91cd\u542f\u76f8\u5173\u64cd\u4f5c<\/li>\n<li>\u5176\u4ed6\u547d\u4ee4<\/li>\n<\/ul>\n<\/li>\n<li>Chrony\u76f8\u5173\u5185\u5bb9\u89e3\u6790<\/li>\n<li>\n<ul>\n<li>chrony.conf\u914d\u7f6e\u6587\u4ef6\u89e3\u6790<\/li>\n<li>\u67e5\u770b\u65f6\u95f4\u6e90\u7684\u72b6\u6001<\/li>\n<li>\n<ul>\n<li>chronyc sources\u8f93\u51fa\u5206\u6790<\/li>\n<li>\u7b26\u53f7\u542b\u4e49<\/li>\n<li>\u5b57\u6bb5\u542b\u4e49<\/li>\n<\/ul>\n<\/li>\n<li>\u67e5\u770b\u65f6\u95f4\u6e90\u7684\u8be6\u7ec6\u72b6\u6001<\/li>\n<li>\n<ul>\n<li>chronyc sourcestats\u8f93\u51fa\u5206\u6790<\/li>\n<li>\u4e3b\u8981\u5b57\u6bb5&#xff1a;<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h2>Linux\u7cfb\u7edf\u65f6\u95f4\u670d\u52a1\u2014\u2014Chrony\u670d\u52a1\u5668<\/h2>\n<h3>\u524d\u8a00<\/h3>\n<h4>\u65f6\u95f4\u540c\u6b65\u7684\u91cd\u8981\u6027<\/h4>\n<ul>\n<li>\u7531\u4e8eIT\u7cfb\u7edf\u4e2d&#xff0c;\u51c6\u786e\u7684\u8ba1\u65f6\u975e\u5e38\u91cd\u8981&#xff0c;\u6709\u5f88\u591a\u79cd\u539f\u56e0\u9700\u8981\u51c6\u786e\u8ba1\u65f6&#xff1a;\n<ul>\n<li>\u5728\u7f51\u7edc\u4f20\u8f93\u4e2d&#xff0c;\u6570\u636e\u5305\u62ec\u548c\u65e5\u5fd7\u9700\u8981\u51c6\u786e\u7684\u65f6\u95f4\u6233<\/li>\n<li>\u5404\u79cd\u5e94\u7528\u7a0b\u5e8f\u4e2d&#xff0c;\u5982\u8ba2\u5355\u4fe1\u606f&#xff0c;\u4ea4\u6613\u4fe1\u606f\u7b49 \u90fd\u9700\u8981\u51c6\u786e\u7684\u65f6\u95f4\u6233<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h4>Linux\u7cfb\u7edf\u7684\u4e24\u79cd\u65f6\u949f<\/h4>\n<h4>\u7cfb\u7edf\u65f6\u949f&#xff08;System Clock&#xff09;<\/h4>\n<ul>\n<li>\u7cfb\u7edf\u65f6\u949f\u662f\u64cd\u4f5c\u7cfb\u7edf\u8fd0\u884c\u65f6\u7ef4\u62a4\u7684\u65f6\u95f4&#xff0c;\u901a\u5e38\u662f\u4ece\u786c\u4ef6\u65f6\u949f\u8bfb\u53d6\u7684&#xff0c;\u5e76\u5728\u8fd0\u884c\u65f6\u4e0d\u65ad\u66f4\u65b0<\/li>\n<li>\u7cfb\u7edf\u65f6\u949f\u7684\u65f6\u95f4\u662f\u7531\u64cd\u4f5c\u7cfb\u7edf\u5185\u6838\u7ba1\u7406\u7684&#xff0c;\u8ba1\u65f6\u57fa\u4e8e CPU \u7684\u65f6\u949f\u5468\u671f\u3002<\/li>\n<li>\u7cfb\u7edf\u65f6\u95f4\u662f\u76f8\u5bf9\u7684&#xff0c;\u7cfb\u7edf\u91cd\u542f\u540e\u5c06\u91cd\u7f6e\u4e3a\u786c\u4ef6\u65f6\u949f\u7684\u65f6\u95f4<\/li>\n<li>\u7cfb\u7edf\u65f6\u949f\u5728\u8ba1\u7b97\u65f6\u533a\u3001\u65f6\u95f4\u540c\u6b65\u548c\u7cfb\u7edf\u8c03\u5ea6\u7b49\u65b9\u9762\u8d77\u7740\u5173\u952e\u4f5c\u7528<\/li>\n<\/ul>\n<h4>\u76f8\u5173\u547d\u4ee4<\/h4>\n<p>date #\u67e5\u770b\u7cfb\u7edf\u65f6\u95f4<br \/>\ndate -s &#034;YYYY-MM-DD HH:MM:SS&#034; #\u8bbe\u7f6e\u7cfb\u7edf\u65f6\u95f4<\/p>\n<h4>\u786c\u4ef6\u65f6\u949f (RTC &#8211; Real Time Clock)<\/h4>\n<ul>\n<li>\u786c\u4ef6\u65f6\u949f\u5199\u5165\u4e3b\u677f\u7684BIOS\u7a0b\u5e8f&#xff0c;\u662f\u4e3b\u677f\u4e0a\u72ec\u7acb\u7684\u65f6\u949f\u82af\u7247&#xff0c;\u7531\u4e3b\u677f\u7684\u7535\u6c60\u4f9b\u7535&#xff08;\u901a\u5e38\u662f CMOS \u7535\u6c60&#xff09;&#xff0c;\u5373\u4f7f\u7cfb\u7edf\u65ad\u7535\u6216\u5173\u673a&#xff0c;\u5b83\u4e5f\u80fd\u4fdd\u6301\u8ba1\u65f6<\/li>\n<li>\u4e3b\u8981\u4f5c\u7528\u662f\u5728\u7cfb\u7edf\u5f00\u673a\u65f6\u63d0\u4f9b\u4e00\u4e2a\u57fa\u7840\u7684\u65f6\u95f4&#xff0c;\u7cfb\u7edf\u542f\u52a8\u540e\u901a\u5e38\u4f1a\u4ece\u786c\u4ef6\u65f6\u949f\u8bfb\u53d6\u5f53\u524d\u65f6\u95f4&#xff0c;\u521d\u59cb\u5316\u7cfb\u7edf\u65f6\u949f<\/li>\n<\/ul>\n<h4>\u76f8\u5173\u547d\u4ee4<\/h4>\n<p>hwclock &#8211;show #\u67e5\u770b\u786c\u4ef6\u65f6\u949f\u65f6\u95f4<br \/>\nhwclock &#8211;set &#8211;date&#061;&#034;YYYY-MM-DD HH:MM:SS&#034; #\u8bbe\u7f6e\u786c\u4ef6\u65f6\u949f<br \/>\nhwclock &#8211;systohc #\u5c06\u7cfb\u7edf\u65f6\u95f4\u5199\u5165\u786c\u4ef6\u65f6\u949f<\/p>\n<h2>Chrony\u4ecb\u7ecd<\/h2>\n<ul>\n<li>chrony\u662f\u4e00\u4e2a\u5f00\u6e90\u7684\u81ea\u7531\u8f6f\u4ef6&#xff0c;\u5b83\u80fd\u5e2e\u52a9\u4f60\u4fdd\u6301\u7cfb\u7edf\u65f6\u949f\u4e0e\u65f6\u949f\u670d\u52a1\u5668&#xff08;NTP&#xff09;\u540c\u6b65&#xff0c;\u56e0\u6b64\u8ba9\u4f60\u7684\u65f6\u95f4\u4fdd\u6301\u7cbe\u786e\u3002<\/li>\n<li>chrony\u7531\u4e24\u4e2a\u7a0b\u5e8f\u7ec4\u6210&#xff0c;\u5206\u522b\u662fchronyd\u548cchronyc\n<ul>\n<li>chronyd&#xff1a;\u662f\u4e00\u4e2a\u540e\u53f0\u8fd0\u884c\u7684\u5b88\u62a4\u8fdb\u7a0b&#xff0c;\u7528\u4e8e\u8c03\u6574\u5185\u6838\u4e2d\u8fd0\u884c\u7684\u7cfb\u7edf\u65f6\u949f\u548c\u65f6\u949f\u670d\u52a1\u5668\u540c\u6b65\u3002\u5b83\u786e\u5b9a\u8ba1\u7b97\u673a\u589e\u51cf\u65f6\u95f4\u7684\u6bd4\u7387&#xff0c;\u5e76\u5bf9\u6b64\u8fdb\u884c\u8865\u507f\u3002<\/li>\n<li>chronyc&#xff1a;\u63d0\u4f9b\u4e86\u4e00\u4e2a\u7528\u6237\u754c\u9762&#xff0c;\u7528\u4e8e\u76d1\u63a7\u6027\u80fd\u5e76\u8fdb\u884c\u591a\u6837\u5316\u7684\u914d\u7f6e\u3002\u5b83\u53ef\u4ee5\u5728chronyd\u5b9e\u4f8b\u63a7\u5236\u7684\u8ba1\u7b97\u673a\u4e0a\u5de5\u4f5c&#xff0c;\u4e5f\u53ef\u4ee5\u5728\u4e00\u53f0\u4e0d\u540c\u7684\u8fdc\u7a0b\u8ba1\u7b97\u673a\u4e0a\u5de5\u4f5c<\/li>\n<\/ul>\n<\/li>\n<li>\u6ce8\u610f&#xff1a;Chrony\u4e0eNTP\u90fd\u662f\u65f6\u95f4\u540c\u6b65\u8f6f\u4ef6&#xff0c;\u4e24\u4e2a\u8f6f\u4ef6\u4e0d\u80fd\u591f\u540c\u65f6\u5f00\u542f&#xff0c;\u4f1a\u51fa\u73b0\u65f6\u95f4\u51b2\u7a81&#xff0c;openeuler\u4e2d\u9ed8\u8ba4\u4f7f\u7528chrony\u4f5c\u4e3a\u65f6\u95f4\u670d\u52a1\u5668&#xff0c;\u4e0d\u518d\u652f\u6301NTP\u8f6f\u4ef6\u5305<\/li>\n<\/ul>\n<h3>NTP<\/h3>\n<ul>\n<li>NTP&#xff1a;&#xff08;Network Time Protocol&#xff0c;\u7f51\u7edc\u65f6\u95f4\u534f\u8bae&#xff09;\u662f\u7531RFC 1305\u5b9a\u4e49\u7684\u65f6\u95f4\u540c\u6b65\u534f\u8bae&#xff0c;\u7528\u6765\u5728\u5206\u5e03\u5f0f\u65f6\u95f4\u670d\u52a1\u5668\u548c\u5ba2\u6237\u7aef\u4e4b\u95f4\u8fdb\u884c\u65f6\u95f4\u540c\u6b65\u3002<\/li>\n<li>NTP\u57fa\u4e8eUDP\u62a5\u6587\u8fdb\u884c\u4f20\u8f93&#xff0c;\u4f7f\u7528\u7684UDP\u7aef\u53e3\u53f7\u4e3a123<\/li>\n<li>NTP\u53ef\u4ee5\u5bf9\u7f51\u7edc\u5185\u6240\u6709\u5177\u6709\u65f6\u949f\u7684\u8bbe\u5907\u8fdb\u884c\u65f6\u949f\u540c\u6b65&#xff0c;\u4f7f\u7f51\u7edc\u5185\u6240\u6709\u8bbe\u5907\u7684\u65f6\u949f\u4fdd\u6301\u4e00\u81f4&#xff0c;\u4ece\u800c\u4f7f\u8bbe\u5907\u80fd\u591f\u63d0\u4f9b\u57fa\u4e8e\u7edf\u4e00\u65f6\u95f4\u7684\u591a\u79cd\u5e94\u7528&#xff0c;\u5bf9\u4e8e\u8fd0\u884cNTP\u7684\u672c\u5730\u7cfb\u7edf&#xff0c;\u65e2\u53ef\u4ee5\u63a5\u53d7\u6765\u81ea\u5176\u4ed6\u65f6\u949f\u6e90\u7684\u540c\u6b65&#xff0c;\u53c8\u53ef\u4ee5\u4f5c\u4e3a\u65f6\u949f\u6e90\u540c\u6b65\u5176\u4ed6\u7684\u65f6\u949f&#xff0c;\u5e76\u4e14\u53ef\u4ee5\u548c\u5176\u4ed6\u8bbe\u5907\u4e92\u76f8\u540c\u6b65\u3002<\/li>\n<li>NTP\u7684\u5176\u7cbe\u5ea6\u5728\u5c40\u57df\u7f51\u5185\u53ef\u8fbe0.1ms&#xff0c;\u5728\u4e92\u8054\u7f51\u4e0a\u7edd\u5927\u591a\u6570\u7684\u5730\u65b9\u5176\u7cbe\u5ea6\u53ef\u4ee5\u8fbe\u52301-50ms<\/li>\n<\/ul>\n<h2>Chronyc\u76f8\u5173\u547d\u4ee4<\/h2>\n<h3>\u670d\u52a1\u7ba1\u7406\u76f8\u5173\u547d\u4ee4<\/h3>\n<p>systemctl start chronyd #\u542f\u52a8 Chrony \u670d\u52a1<\/p>\n<p>systemctl stop chronyd #\u505c\u6b62 Chrony \u670d\u52a1<\/p>\n<p>systemctl restart chronyd #\u91cd\u542f Chrony \u670d\u52a1<\/p>\n<p>systemctl status chronyd #\u68c0\u67e5 Chrony \u670d\u52a1\u72b6\u6001<\/p>\n<h3>chronyc \u57fa\u672c\u547d\u4ee4<\/h3>\n<p>chronyc sources #\u68c0\u67e5\u65f6\u95f4\u6e90\u7684\u72b6\u6001<br \/>\n  \u663e\u793a NTP \u65f6\u95f4\u6e90\u7684\u57fa\u672c\u4fe1\u606f&#xff08;\u4f8b\u5982&#xff0c;\u9636\u5c42\u3001\u504f\u79fb\u91cf\u548c\u53ef\u8fbe\u6027&#xff09;\u3002<\/p>\n<p>chronyc sourcestats #\u67e5\u770b\u65f6\u95f4\u6e90\u7684\u8be6\u7ec6\u7edf\u8ba1\u4fe1\u606f<br \/>\n  \u63d0\u4f9b\u6bcf\u4e2a\u65f6\u95f4\u6e90\u7684\u8be6\u7ec6\u540c\u6b65\u6027\u80fd\u7edf\u8ba1\u6570\u636e&#xff0c;\u5982\u504f\u79fb\u6807\u51c6\u5dee\u3001\u9891\u7387\u8bef\u5dee\u7b49\u3002<\/p>\n<p>chronyc -a makestep #\u5f3a\u5236\u7cfb\u7edf\u65f6\u95f4\u4e0e NTP \u670d\u52a1\u5668\u540c\u6b65<br \/>\n  \u5982\u679c\u7cfb\u7edf\u65f6\u95f4\u4e0e\u670d\u52a1\u5668\u65f6\u95f4\u504f\u5dee\u8fc7\u5927&#xff0c;\u4f7f\u7528\u6b64\u547d\u4ee4\u53ef\u7acb\u5373\u8fdb\u884c\u65f6\u95f4\u540c\u6b65&#xff08;\u8df3\u6b65\u8c03\u6574&#xff09;\u3002<\/p>\n<p>chronyc tracking #\u663e\u793a\u540c\u6b65\u72b6\u6001<br \/>\n  \u663e\u793a\u7cfb\u7edf\u7684\u5f53\u524d\u65f6\u95f4\u8ddf\u8e2a\u72b6\u6001&#xff0c;\u5305\u62ec\u7cfb\u7edf\u7684\u65f6\u95f4\u504f\u79fb\u3001\u9891\u7387\u6f02\u79fb\u7b49\u3002<\/p>\n<p>chronyc activity -v #\u68c0\u67e5\u65f6\u95f4\u6e90\u6d3b\u52a8\u60c5\u51b5<br \/>\n  \u663e\u793a\u6240\u6709\u65f6\u95f4\u6e90\u7684\u5f53\u524d\u6d3b\u52a8\u72b6\u6001&#xff0c;\u5982\u5728\u7ebf\u3001\u79bb\u7ebf\u3001\u7a81\u53d1\u6a21\u5f0f\u7b49\u3002<\/p>\n<p>chronyc hwclock #\u8bbe\u7f6e\u7cfb\u7edf\u65f6\u949f\u4e0e\u786c\u4ef6\u65f6\u949f\u540c\u6b65<br \/>\n  \u5c06\u5f53\u524d\u7684\u7cfb\u7edf\u65f6\u949f\u65f6\u95f4\u5199\u5165\u786c\u4ef6\u65f6\u949f (RTC)\u3002<\/p>\n<p>chronyc enable &lt;source&gt; #\u542f\u7528\u67d0\u4e2a\u65f6\u95f4\u6e90<\/p>\n<p>chronyc disable &lt;source&gt; #\u7981\u7528\u67d0\u4e2a\u65f6\u95f4\u6e90<\/p>\n<h3>\u65f6\u95f4\u6821\u6b63\u548c\u63a7\u5236\u547d\u4ee4<\/h3>\n<p>chronyc adjtime &lt;time&gt; #\u8c03\u8282\u65f6\u95f4<br \/>\n  \u624b\u52a8\u8c03\u6574\u7cfb\u7edf\u65f6\u949f\u7684\u504f\u79fb&#xff0c;&#096;&lt;time&gt;&#096; \u4e3a\u8c03\u6574\u7684\u65f6\u95f4&#xff08;\u5355\u4f4d\u4e3a\u79d2&#xff09;\u3002<\/p>\n<p>chronyc makestep #\u8df3\u6b65\u8c03\u6574\u65f6\u95f4<br \/>\n  \u4f7f\u7528\u8be5\u547d\u4ee4\u5c06\u7cfb\u7edf\u65f6\u95f4\u7acb\u5373\u4e0e NTP \u670d\u52a1\u5668\u7684\u65f6\u95f4\u540c\u6b65&#xff0c;\u800c\u4e0d\u662f\u901a\u8fc7\u9010\u6e10\u8c03\u6574\u3002<\/p>\n<h3>NTP \u65f6\u95f4\u6e90\u7ba1\u7406<\/h3>\n<p>chronyc add server &lt;server_name&gt; iburst #\u6dfb\u52a0\u65b0\u7684 NTP \u670d\u52a1\u5668<br \/>\n  \u6dfb\u52a0\u4e00\u4e2a\u65b0\u7684 NTP \u670d\u52a1\u5668\u5230 Chrony \u914d\u7f6e\u4e2d&#xff0c;\u5e76\u7acb\u5373\u8fdb\u884c\u65f6\u95f4\u540c\u6b65&#xff08;&#096;iburst&#096; \u9009\u9879\u7528\u4e8e\u5feb\u901f\u540c\u6b65&#xff09;\u3002<\/p>\n<p>chronyc delete server &lt;server_name&gt; #\u5220\u9664 NTP \u670d\u52a1\u5668<\/p>\n<p>chronyc reload sources #\u5237\u65b0 NTP \u670d\u52a1\u5668\u5217\u8868<br \/>\n  \u91cd\u65b0\u52a0\u8f7d\u65f6\u95f4\u6e90\u914d\u7f6e\u6587\u4ef6&#xff0c;\u66f4\u65b0\u65f6\u95f4\u6e90\u5217\u8868\u3002<\/p>\n<h3>\u8c03\u8bd5\u548c\u76d1\u63a7\u547d\u4ee4<\/h3>\n<p>chronyc ntpdata #\u67e5\u770b NTP \u6e90\u7684\u504f\u79fb\u7edf\u8ba1\u6570\u636e<br \/>\n  \u663e\u793a\u6bcf\u4e2a\u65f6\u95f4\u6e90\u7684\u539f\u59cb NTP \u6570\u636e&#xff0c;\u5982\u5ef6\u8fdf\u3001\u504f\u79fb\u3001\u6296\u52a8\u7b49\u3002<\/p>\n<p>chronyc -a tracking #\u67e5\u770b\u7cfb\u7edf\u65f6\u949f\u4e0e NTP \u670d\u52a1\u5668\u7684\u504f\u5dee<\/p>\n<p>chronyc rtcdata #\u68c0\u67e5\u65f6\u95f4\u6e90\u7684\u8ba1\u65f6\u7279\u6027<br \/>\n  \u663e\u793a\u786c\u4ef6\u65f6\u949f\u7684\u76f8\u5173\u4fe1\u606f&#xff08;RTC&#xff09;&#xff0c;\u5305\u62ec\u6f02\u79fb\u548c\u540c\u6b65\u72b6\u6001\u3002<\/p>\n<p>chronyc -a manualcorr &lt;offset_in_seconds&gt; #\u67e5\u770b\u5f53\u524d\u7684\u504f\u79fb\u91cf&#xff08;\u6beb\u79d2\u7ea7&#xff09;<br \/>\n  \u624b\u52a8\u8c03\u6574\u7cfb\u7edf\u65f6\u949f\u7684\u504f\u79fb&#xff0c;\u504f\u79fb\u91cf\u53ef\u4ee5\u662f\u6b63\u8d1f\u7684\u65f6\u95f4\u5dee\u3002<\/p>\n<h3>\u65e5\u5fd7\u548c\u4e8b\u4ef6<\/h3>\n<p>journalctl -u chronyd #\u663e\u793a Chrony \u5b88\u62a4\u8fdb\u7a0b\u7684\u65e5\u5fd7<br \/>\n  \u67e5\u770b Chrony \u670d\u52a1\u7684\u8fd0\u884c\u65e5\u5fd7\u548c\u65f6\u95f4\u540c\u6b65\u60c5\u51b5<\/p>\n<h3>\u4fdd\u5b58\u548c\u91cd\u542f\u76f8\u5173\u64cd\u4f5c<\/h3>\n<p>chronyc hwclock &#8211;systohc #\u5c06\u5f53\u524d\u7cfb\u7edf\u65f6\u95f4\u4fdd\u5b58\u5230\u786c\u4ef6\u65f6\u949f<br \/>\n  \u5c06\u7cfb\u7edf\u65f6\u95f4\u5199\u5165 RTC \u786c\u4ef6\u65f6\u949f&#xff0c;\u786e\u4fdd\u5173\u673a\u540e\u65f6\u95f4\u4fdd\u6301\u6b63\u786e\u3002<\/p>\n<p>chronyc reload #\u91cd\u65b0\u52a0\u8f7d Chrony \u914d\u7f6e<br \/>\n  \u5f53\u914d\u7f6e\u6587\u4ef6&#xff08;\u4f8b\u5982 &#096;\/etc\/chrony.conf&#096;&#xff09;\u66f4\u6539\u540e&#xff0c;\u4f7f\u7528\u6b64\u547d\u4ee4\u4f7f\u4fee\u6539\u751f\u6548\u3002<\/p>\n<h3>\u5176\u4ed6\u547d\u4ee4<\/h3>\n<p>chronyc lastsync #\u67e5\u770b NTP \u6e90\u7684\u6700\u540e\u504f\u79fb\u65f6\u95f4<br \/>\n  \u663e\u793a\u7cfb\u7edf\u6700\u8fd1\u4e00\u6b21\u540c\u6b65\u7684\u65f6\u95f4\u548c\u504f\u79fb\u503c\u3002<\/p>\n<p>chronyc estimate #\u68c0\u67e5\u7cfb\u7edf\u65f6\u95f4\u548c NTP \u6e90\u65f6\u95f4\u7684\u7cbe\u786e\u5ea6<br \/>\n  \u4f30\u8ba1\u7cfb\u7edf\u65f6\u95f4\u548c NTP \u670d\u52a1\u5668\u65f6\u95f4\u4e4b\u95f4\u7684\u504f\u5dee\u3002<\/p>\n<h2>Chrony\u76f8\u5173\u5185\u5bb9\u89e3\u6790<\/h2>\n<h3>chrony.conf\u914d\u7f6e\u6587\u4ef6\u89e3\u6790<\/h3>\n<p># Use public servers from the pool.ntp.org project.<br \/>\n# Please consider joining the pool (https:\/\/www.pool.ntp.org\/join.html).<br \/>\n&#039;pool 2.rhel.pool.ntp.org iburst<\/p>\n<p>&#8211; \u4f7f\u7528 &#096;rhel&#096;&#xff08;Red Hat Enterprise Linux&#xff09;\u7279\u5b9a\u7684 NTP \u670d\u52a1\u5668\u6c60<br \/>\n&#8211; &#096;iburst&#096; \u9009\u9879\u8868\u793a\u5728\u8fde\u63a5\u670d\u52a1\u5668\u5931\u8d25\u65f6&#xff0c;\u5ba2\u6237\u7aef\u4f1a\u5feb\u901f\u53d1\u9001\u4e00\u7ec4\u8bf7\u6c42\u4ee5\u5c3d\u5feb\u83b7\u53d6\u54cd\u5e94\u3002\u8fd9\u6709\u52a9\u4e8e\u52a0\u5feb\u521d\u6b21\u540c\u6b65\u7684\u901f\u5ea6\u3002<\/p>\n<p># Use NTP servers from DHCP.<br \/>\n&#039;sourcedir \/run\/chrony-dhcp<\/p>\n<p>&#8211; \u8be5\u8bbe\u7f6e\u5141\u8bb8 Chrony \u4ece DHCP \u5206\u914d\u7684 NTP \u670d\u52a1\u5668\u5217\u8868\u4e2d\u83b7\u53d6\u65f6\u95f4\u6e90\u3002\u5982\u679c DHCP \u670d\u52a1\u5668\u63d0\u4f9b\u4e86 NTP \u670d\u52a1\u5668\u4fe1\u606f&#xff0c;\u5b83\u4f1a\u88ab\u81ea\u52a8\u4f7f\u7528\u3002<br \/>\n&#8211; &#096;sourcedir&#096; \u9009\u9879\u6307\u793a Chrony \u81ea\u52a8\u52a0\u8f7d\u4ece\u6307\u5b9a\u76ee\u5f55\u4e2d\u627e\u5230\u7684 NTP \u670d\u52a1\u5668\u914d\u7f6e\u3002<\/p>\n<p># Record the rate at which the system clock gains\/losses time.<br \/>\n&#039;driftfile \/var\/lib\/chrony\/drift<\/p>\n<p>&#8211; \u8fd9\u4e2a\u6587\u4ef6\u8bb0\u5f55\u7cfb\u7edf\u65f6\u949f\u7684\u6f02\u79fb\u901f\u7387\u3002Chrony \u4f1a\u6839\u636e\u8fd9\u4e2a\u6587\u4ef6\u7684\u5185\u5bb9\u8c03\u6574\u65f6\u949f&#xff0c;\u4ee5\u63d0\u9ad8\u957f\u671f\u65f6\u95f4\u540c\u6b65\u7684\u51c6\u786e\u6027\u3002<br \/>\n&#8211; \u901a\u8fc7\u8bb0\u5f55\u7cfb\u7edf\u65f6\u949f\u7684\u589e\u51cf\u53d8\u5316&#xff0c;Chrony \u53ef\u4ee5\u66f4\u597d\u5730\u5728\u4e0d\u4f9d\u8d56\u5916\u90e8\u65f6\u95f4\u6e90\u7684\u60c5\u51b5\u4e0b\u7ef4\u6301\u7cfb\u7edf\u65f6\u949f\u7684\u51c6\u786e\u6027\u3002<\/p>\n<p># Allow the system clock to be stepped in the first three updates<br \/>\n# if its offset is larger than 1 second.<br \/>\n&#039;makestep 1.0 3<br \/>\n&#8211; \u8fd9\u5141\u8bb8\u5728\u7cfb\u7edf\u542f\u52a8\u6216 Chrony \u542f\u52a8\u540e\u7684\u524d\u4e09\u6b21\u65f6\u95f4\u66f4\u65b0\u4e2d&#xff0c;\u5982\u679c\u7cfb\u7edf\u65f6\u949f\u4e0e NTP \u670d\u52a1\u5668\u7684\u65f6\u95f4\u5dee\u8d85\u8fc7 1 \u79d2&#xff0c;\u76f4\u63a5\u201c\u8df3\u6b65\u201d\u540c\u6b65&#xff08;\u5373\u4e00\u6b21\u6027\u7ea0\u6b63\u65f6\u95f4&#xff09;\u3002<br \/>\n&#8211; \u5728\u524d\u4e09\u6b21\u66f4\u65b0\u540e&#xff0c;Chrony \u901a\u5e38\u53ea\u4f1a\u9010\u6e10\u8c03\u6574\u7cfb\u7edf\u65f6\u949f&#xff0c;\u800c\u4e0d\u8fdb\u884c\u5927\u5e45\u5ea6\u7684\u8df3\u6b65\u8c03\u6574\u3002<\/p>\n<p># Enable kernel synchronization of the real-time clock (RTC).<br \/>\n&#039;rtcsync<\/p>\n<p>&#8211; \u542f\u7528\u8fd9\u4e2a\u9009\u9879\u540e&#xff0c;Chrony \u4f1a\u5c06\u7cfb\u7edf\u65f6\u95f4\u540c\u6b65\u5230\u786c\u4ef6\u65f6\u949f&#xff08;RTC&#xff0c;Real-Time Clock&#xff09;&#xff0c;\u786e\u4fdd\u7cfb\u7edf\u91cd\u542f\u65f6\u4ecd\u80fd\u4fdd\u6301\u8f83\u4e3a\u51c6\u786e\u7684\u65f6\u95f4\u3002<\/p>\n<p># Enable hardware timestamping on all interfaces that support it.<br \/>\n#hwtimestamp *<\/p>\n<p>&#8211; \u8fd9\u662f\u4e00\u4e2a\u53ef\u9009\u7684\u914d\u7f6e&#xff0c;\u7528\u4e8e\u542f\u7528\u7f51\u7edc\u63a5\u53e3\u7684\u786c\u4ef6\u65f6\u95f4\u6233\u529f\u80fd&#xff0c;\u4ee5\u63d0\u9ad8\u65f6\u95f4\u540c\u6b65\u7684\u7cbe\u5ea6\u3002\u5982\u679c\u7f51\u7edc\u63a5\u53e3\u652f\u6301\u8be5\u529f\u80fd&#xff0c;\u5f00\u542f\u786c\u4ef6\u65f6\u95f4\u6233\u6709\u52a9\u4e8e\u66f4\u7cbe\u786e\u5730\u8bb0\u5f55\u65f6\u95f4\u3002<br \/>\n&#8211; \u7531\u4e8e\u5b83\u88ab\u6ce8\u91ca\u6389&#xff08;&#096;#&#096;&#xff09;&#xff0c;\u6b64\u65f6\u5b83\u6ca1\u6709\u751f\u6548\u3002\u4f60\u53ef\u4ee5\u53d6\u6d88\u6ce8\u91ca\u6765\u542f\u7528\u5b83\u3002<\/p>\n<p># Increase the minimum number of selectable sources required to adjust<br \/>\n# the system clock.<br \/>\n#minsources 2<\/p>\n<p>&#8211; **\u4f5c\u7528**&#xff1a;\u5982\u679c\u542f\u7528&#xff0c;&#096;minsources&#096; \u6307\u5b9a\u7cfb\u7edf\u9700\u8981\u4ece\u81f3\u5c11 **2** \u4e2a NTP \u670d\u52a1\u5668\u63a5\u6536\u5230\u65f6\u95f4\u6570\u636e\u540e&#xff0c;\u624d\u4f1a\u8c03\u6574\u7cfb\u7edf\u65f6\u949f\u3002<br \/>\n&#8211; **\u6ce8\u91ca\u6389\u8868\u793a**&#xff1a;\u6ca1\u6709\u5f3a\u5236\u8981\u6c42\u591a\u4e2a NTP \u670d\u52a1\u5668\u3002<\/p>\n<p># Allow NTP client access from local network.<br \/>\n#allow 192.168.0.0\/16<\/p>\n<p>&#8211; **\u4f5c\u7528**&#xff1a;\u5141\u8bb8 IP \u8303\u56f4 &#096;192.168.0.0\/16&#096; \u7684\u5ba2\u6237\u7aef\u8fde\u63a5\u5230\u6b64 Chrony \u670d\u52a1\u5668\u8fdb\u884c\u65f6\u95f4\u540c\u6b65\u3002\u5982\u679c\u53d6\u6d88\u6ce8\u91ca&#xff0c;\u5b83\u5c06\u5141\u8bb8\u6765\u81ea\u8be5 IP \u5730\u5740\u8303\u56f4\u7684\u8bbe\u5907\u8fde\u63a5\u3002<br \/>\n&#8211; **\u6ce8\u91ca\u6389\u8868\u793a**&#xff1a;\u9ed8\u8ba4\u60c5\u51b5\u4e0b&#xff0c;\u4e0d\u5141\u8bb8\u672c\u5730\u7f51\u7edc\u7684\u5ba2\u6237\u7aef\u8bbf\u95ee NTP \u670d\u52a1\u3002<\/p>\n<p># Serve time even if not synchronized to a time source.<br \/>\n#local stratum 10<\/p>\n<p>&#8211; **\u4f5c\u7528**&#xff1a;\u5982\u679c\u542f\u7528&#xff0c;\u5f53 Chrony \u6ca1\u6709\u540c\u6b65\u5230\u4efb\u4f55\u5916\u90e8\u65f6\u95f4\u6e90\u65f6&#xff0c;\u5b83\u4f1a\u6839\u636e\u81ea\u8eab\u7684\u7cfb\u7edf\u65f6\u949f\u63d0\u4f9b\u65f6\u95f4&#xff0c;\u6210\u4e3a\u4e00\u4e2a **\u672c\u5730\u65f6\u95f4\u6e90**&#xff0c;\u5176\u9636\u5c42&#xff08;Stratum&#xff09;\u503c\u8bbe\u4e3a 10\u3002\u9636\u5c42\u503c\u8f83\u9ad8\u8868\u793a\u8be5\u65f6\u95f4\u6e90\u4e0d\u592a\u53ef\u9760\u3002<br \/>\n&#8211; **\u6ce8\u91ca\u6389\u8868\u793a**&#xff1a;Chrony \u4e0d\u4f1a\u5728\u672a\u540c\u6b65\u5230\u5916\u90e8\u65f6\u95f4\u6e90\u65f6\u63d0\u4f9b\u65f6\u95f4\u3002<\/p>\n<p># Require authentication (nts or key option) for all NTP sources.<br \/>\n#authselectmode require<\/p>\n<p>&#8211; **\u4f5c\u7528**&#xff1a;\u5982\u679c\u542f\u7528&#xff0c;Chrony \u5c06\u8981\u6c42\u5bf9\u6240\u6709 NTP \u6e90\u8fdb\u884c\u8eab\u4efd\u9a8c\u8bc1\u3002&#096;nts&#096;&#xff08;Network Time Security&#xff09;\u6216 &#096;key&#096; \u9009\u9879\u53ef\u4ee5\u7528\u6765\u9a8c\u8bc1 NTP \u670d\u52a1\u5668\u7684\u8eab\u4efd&#xff0c;\u4ee5\u786e\u4fdd\u65f6\u95f4\u6765\u6e90\u7684\u53ef\u9760\u6027\u3002<br \/>\n&#8211; **\u6ce8\u91ca\u6389\u8868\u793a**&#xff1a;\u6ca1\u6709\u5f3a\u5236\u8eab\u4efd\u9a8c\u8bc1\u3002<\/p>\n<p># Specify file containing keys for NTP authentication.<br \/>\n&#039;keyfile \/etc\/chrony.keys<\/p>\n<p>&#8211; **\u4f5c\u7528**&#xff1a;\u6307\u5b9a\u7528\u4e8e NTP \u8eab\u4efd\u9a8c\u8bc1\u7684\u5bc6\u94a5\u6587\u4ef6\u7684\u8def\u5f84\u3002Chrony \u4f7f\u7528\u6b64\u6587\u4ef6\u4e2d\u7684\u5bc6\u94a5\u6765\u9a8c\u8bc1\u548c\u52a0\u5bc6 NTP \u670d\u52a1\u5668\u4e4b\u95f4\u7684\u901a\u4fe1\u3002<br \/>\n&#8211; **\u9ed8\u8ba4\u542f\u7528**&#xff1a;\u9700\u8981\u8eab\u4efd\u9a8c\u8bc1\u65f6&#xff0c;\u8be5\u6587\u4ef6\u5b58\u50a8\u4e86 NTP \u5ba2\u6237\u7aef\u548c\u670d\u52a1\u5668\u4e4b\u95f4\u5171\u4eab\u7684\u5bc6\u94a5\u3002<\/p>\n<p># Save NTS keys and cookies.<br \/>\n&#039;ntsdumpdir \/var\/lib\/chrony<\/p>\n<p>&#8211; **\u4f5c\u7528**&#xff1a;\u6307\u5b9a\u4fdd\u5b58 NTS&#xff08;Network Time Security&#xff09;\u5bc6\u94a5\u548c cookies \u7684\u76ee\u5f55\u8def\u5f84\u3002NTS \u662f\u4e00\u79cd\u589e\u5f3a NTP \u5b89\u5168\u6027\u7684\u534f\u8bae&#xff0c;\u9632\u6b62\u653b\u51fb\u8005\u4f2a\u9020\u65f6\u95f4\u6e90\u3002<br \/>\n&#8211; **\u9ed8\u8ba4\u542f\u7528**&#xff1a;\u5b58\u50a8 NTS \u7684\u4e34\u65f6\u6587\u4ef6\u3002<\/p>\n<p># Insert\/delete leap seconds by slewing instead of stepping.<br \/>\n#leapsecmode slew<\/p>\n<p>&#8211; **\u4f5c\u7528**&#xff1a;\u542f\u7528\u540e&#xff0c;Chrony \u4f1a\u901a\u8fc7**\u8c03\u8282&#xff08;slew&#xff09;**\u7684\u65b9\u5f0f\u63d2\u5165\u6216\u5220\u9664\u95f0\u79d2&#xff0c;\u800c\u4e0d\u662f\u7a81\u7136\u8c03\u6574\u65f6\u95f4&#xff08;\u5373\u6b65\u8fdb&#xff09;\u3002\u8c03\u8282\u662f\u9010\u6e10\u8c03\u6574\u65f6\u949f\u901f\u5ea6&#xff0c;\u800c\u4e0d\u662f\u4e00\u6b21\u6027\u8df3\u8dc3\u3002<br \/>\n&#8211; **\u6ce8\u91ca\u6389\u8868\u793a**&#xff1a;Chrony \u9ed8\u8ba4\u4e3a**\u6b65\u8fdb**\u6a21\u5f0f\u6765\u5904\u7406\u95f0\u79d2\u3002<\/p>\n<p># Get TAI-UTC offset and leap seconds from the system tz database.<br \/>\n&#039;leapsectz right\/UTC<\/p>\n<p>&#8211; **\u4f5c\u7528**&#xff1a;Chrony \u4f7f\u7528\u7cfb\u7edf\u7684 &#096;tz&#096;&#xff08;\u65f6\u533a&#xff09;\u6570\u636e\u5e93\u6765\u83b7\u53d6 TAI-UTC \u504f\u79fb\u548c\u95f0\u79d2\u4fe1\u606f&#xff0c;\u786e\u4fdd\u7cfb\u7edf\u65f6\u949f\u4e0e\u5168\u7403\u6807\u51c6\u65f6\u95f4\u4fdd\u6301\u540c\u6b65\u3002&#096;right\/UTC&#096; \u662f\u4e00\u79cd\u66f4\u7cbe\u786e\u7684\u65f6\u533a\u5904\u7406\u65b9\u6cd5&#xff0c;\u8ddf\u8e2a\u95f0\u79d2\u3002<br \/>\n&#8211; **\u542f\u7528\u72b6\u6001**&#xff1a;Chrony \u5c06\u4ece\u65f6\u533a\u6570\u636e\u5e93\u4e2d\u83b7\u53d6\u76f8\u5173\u4fe1\u606f\u3002<\/p>\n<p># Specify directory for log files.<br \/>\n&#039;logdir \/var\/log\/chrony<\/p>\n<p>&#8211; **\u4f5c\u7528**&#xff1a;\u6307\u5b9a Chrony \u7684\u65e5\u5fd7\u6587\u4ef6\u4fdd\u5b58\u8def\u5f84&#xff0c;\u9ed8\u8ba4\u8def\u5f84\u4e3a &#096;\/var\/log\/chrony&#096;\u3002<br \/>\n&#8211; **\u542f\u7528\u72b6\u6001**&#xff1a;\u65e5\u5fd7\u6587\u4ef6\u5b58\u50a8\u5728 &#096;\/var\/log\/chrony&#096; \u76ee\u5f55\u4e2d\u3002<\/p>\n<p># Select which information is logged.<br \/>\n#log measurements statistics tracking<\/p>\n<p>&#8211; **\u4f5c\u7528**&#xff1a;\u542f\u7528\u540e&#xff0c;Chrony \u4f1a\u8bb0\u5f55\u6709\u5173\u65f6\u95f4\u540c\u6b65\u7684\u5404\u79cd\u8be6\u7ec6\u4fe1\u606f&#xff0c;\u5982\u6d4b\u91cf\u503c\u3001\u7edf\u8ba1\u6570\u636e\u3001\u8ddf\u8e2a\u4fe1\u606f\u7b49\u3002<br \/>\n&#8211; **\u6ce8\u91ca\u6389\u8868\u793a**&#xff1a;\u4e0d\u4f1a\u8bb0\u5f55\u8fd9\u4e9b\u8be6\u7ec6\u7684\u65e5\u5fd7\u4fe1\u606f\u3002<\/p>\n<h3>\u67e5\u770b\u65f6\u95f4\u6e90\u7684\u72b6\u6001<\/h3>\n<p>[root&#064;localhost ~]#  chronyc  sources  -v<\/p>\n<p>  .&#8211; Source mode  &#039;^&#039; &#061; server, &#039;&#061;&#039; &#061; peer, &#039;#&#039; &#061; local clock.<br \/>\n \/ .- Source state &#039;*&#039; &#061; current best, &#039;&#043;&#039; &#061; combined, &#039;-&#039; &#061; not combined,<br \/>\n| \/             &#039;x&#039; &#061; may be in error, &#039;~&#039; &#061; too variable, &#039;?&#039; &#061; unusable.<br \/>\n||                                                 .- xxxx [ yyyy ] &#043;\/- zzzz<br \/>\n||      Reachability register (octal) -.           |  xxxx &#061; adjusted offset,<br \/>\n||      Log2(Polling interval) &#8211;.      |          |  yyyy &#061; measured offset,<br \/>\n||                                \\\\     |          |  zzzz &#061; estimated error.<br \/>\n||                                 |    |           \\\\<br \/>\nMS Name\/IP address         Stratum Poll Reach LastRx Last sample<br \/>\n&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;<br \/>\n^- makaki.miuku.net              3   9   157   295    &#043;18ms[  &#043;19ms] &#043;\/-   75ms<br \/>\n^- ntp.wdc2.us.leaseweb.net      2   9   377   235  &#043;2844us[&#043;3923us] &#043;\/-  238ms<br \/>\n^&#043; ntp5.flashdance.cx            2   9   377   744    &#043;27ms[  &#043;28ms] &#043;\/-  164ms<br \/>\n^* tock.ntp.infomaniak.ch        1   9   377    36  &#043;1574us[&#043;2677us] &#043;\/-   90ms<\/p>\n<h4>chronyc sources\u8f93\u51fa\u5206\u6790<\/h4>\n<h4>\u7b26\u53f7\u542b\u4e49<\/h4>\n<ul>\n<li>M&#xff1a;\u670d\u52a1\u5668\u6a21\u5f0f<\/li>\n<li>S&#xff1a;\u670d\u52a1\u5668\u72b6\u6001<\/li>\n<\/ul>\n<table>\n<tr>\u7b26\u53f7\u542b\u4e49<\/tr>\n<tbody>\n<tr>\n<td>^<\/td>\n<td>\u670d\u52a1\u5668<\/td>\n<\/tr>\n<tr>\n<td>&#061;<\/td>\n<td>\u5bf9\u7b49\u4f53<\/td>\n<\/tr>\n<tr>\n<td>#<\/td>\n<td>\u672c\u5730\u65f6\u949f<\/td>\n<\/tr>\n<tr>\n<td>*<\/td>\n<td>\u5f53\u524d\u6700\u4f73\u7684\u65f6\u95f4\u6e90<\/td>\n<\/tr>\n<tr>\n<td>&#043;<\/td>\n<td>\u6b21\u7ea7\u6700\u4f73&#xff0c;\u4e0e\u6700\u4f73\u7ec4\u5408\u4f7f\u7528&#xff0c;\u4f46\u4e0d\u662f\u4e3b\u8981\u65f6\u95f4\u6e90<\/td>\n<\/tr>\n<tr>\n<td>&#8211;<\/td>\n<td>\u80fd\u4f7f\u7528\u4f46\u672a\u7ec4\u5408\u4f7f\u7528\u7684\u65f6\u95f4\u6e90<\/td>\n<\/tr>\n<tr>\n<td>x<\/td>\n<td>\u53ef\u80fd\u51fa\u73b0\u9519\u8bef&#xff08;\u4e0e\u5927\u591a\u6570\u6709\u8f83\u5927\u5dee\u5f02&#xff09;\u7684\u65f6\u95f4\u6e90<\/td>\n<\/tr>\n<tr>\n<td>~<\/td>\n<td>\u6ce2\u52a8\u8f83\u5927\u7684\u65f6\u95f4\u6e90<\/td>\n<\/tr>\n<tr>\n<td>?<\/td>\n<td>\u65ad\u5f00\u94fe\u63a5&#xff0c;\u65e0\u6cd5\u4f7f\u7528\u7684\u65f6\u95f4\u6e90<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h4>\u5b57\u6bb5\u542b\u4e49<\/h4>\n<ul>\n<li>Name\/IP address&#xff1a;\u8be5\u5b57\u6bb5\u663e\u793a\u65f6\u95f4\u6e90\u7684\u57df\u540d\u6216 IP \u5730\u5740<\/li>\n<li>Stratum&#xff1a; NTP \u65f6\u95f4\u670d\u52a1\u5668\u7684\u9636\u5c42&#xff08;Stratum&#xff09;\u8868\u793a\u65f6\u95f4\u6e90\u79bb\u771f\u5b9e\u65f6\u95f4\u6e90\u7684\u8ddd\u79bb&#xff0c;\u6570\u5b57\u8d8a\u5c0f\u8d8a\u63a5\u8fd1\u65f6\u95f4\u6e90\u3002 Stratum 1&#xff1a;\u76f4\u63a5\u4ece\u4e00\u4e2a\u7cbe\u786e\u7684\u786c\u4ef6\u65f6\u949f&#xff08;\u5982 GPS\u3001\u539f\u5b50\u949f&#xff09;\u83b7\u53d6\u65f6\u95f4\u3002 Stratum 2&#xff1a;\u4ece Stratum 1 \u7684\u670d\u52a1\u5668\u83b7\u53d6\u65f6\u95f4&#xff0c;\u4ee5\u6b64\u7c7b\u63a8<\/li>\n<li>Poll&#xff1a; \u8fd9\u662f\u65f6\u95f4\u6e90\u7684\u8f6e\u8be2\u95f4\u9694&#xff0c;\u4ee5 2 \u7684\u5e42\u6b21\u8868\u793a&#xff08;\u5355\u4f4d\u4e3a\u79d2&#xff09;\u3002\u4f8b\u5982&#xff0c;Poll \u503c\u4e3a 9&#xff0c;\u8868\u793a\u8f6e\u8be2\u95f4\u9694\u4e3a 2^9&#061;512 \u79d2\u3002 \u6240\u6709\u670d\u52a1\u5668\u7684\u8f6e\u8be2\u95f4\u9694\u90fd\u662f 9&#xff0c;\u5373\u6bcf 512 \u79d2\u8f6e\u8be2\u4e00\u6b21\u3002chronyd\u4f1a\u6839\u636e\u5f53\u65f6\u7684\u60c5\u51b5\u81ea\u52a8\u6539\u53d8\u8f6e\u8be2\u9891\u7387\u3002<\/li>\n<li>Reach &#xff1a; \u8fd9\u662f\u4e00\u4e2a\u516b\u8fdb\u5236\u503c&#xff0c;\u8868\u793a\u6700\u8fd1\u5bf9\u8be5\u65f6\u95f4\u6e90\u7684\u8fde\u63a5\u72b6\u6001\u3002\u8be5\u503c\u8303\u56f4\u662f 0 \u5230 377&#xff08;\u516b\u8fdb\u5236&#xff09;&#xff0c;\u5176\u4e2d 377 \u8868\u793a\u6700\u8fd1\u516b\u6b21\u5c1d\u8bd5\u90fd\u6210\u529f\u8fde\u63a5\u5230\u8be5\u6e90\u3002<\/li>\n<li>LastRx &#xff1a; \u8868\u793a\u4e0a\u4e00\u6b21\u4ece\u8be5\u65f6\u95f4\u6e90\u6210\u529f\u63a5\u6536\u5230\u65f6\u95f4\u6837\u672c\u7684\u65f6\u95f4&#xff0c;\u5355\u4f4d\u662f\u79d2\u3002\u4f8b\u5982&#xff1a; tock.ntp.infomaniak.ch \u7684 LastRx \u503c\u4e3a 36&#xff0c;\u8868\u793a 36 \u79d2\u524d\u63a5\u6536\u5230\u65f6\u95f4\u6837\u672c\u3002 makaki.miuku.net \u7684 LastRx \u503c\u4e3a 295&#xff0c;\u63a5\u6536\u5230\u6837\u672c\u7684\u65f6\u95f4\u7a0d\u957f\u3002<\/li>\n<li>Last sample&#xff1a; Last Sample \u5217\u663e\u793a\u6700\u8fd1\u4e00\u6b21\u4ece\u65f6\u95f4\u6e90\u63a5\u6536\u5230\u7684\u65f6\u95f4\u6837\u672c\u7684\u504f\u79fb\u91cf\u3001\u6d4b\u91cf\u7684\u504f\u79fb\u91cf\u548c\u4f30\u7b97\u8bef\u5dee&#xff1a;\u7ecf\u8fc7chroncy\u8c03\u6574\u8fc7\u7684\u504f\u5dee[\u5b9e\u9645\u7cfb\u7edf\u65f6\u949f\u4e0e\u65f6\u95f4\u6e90\u4e4b\u95f4\u6d4b\u5f97\u7684\u504f\u79fb\u91cf]\u3002&#xff08;&#043;\/- zzzz&#xff09;&#xff1a;\u8868\u793a\u504f\u79fb\u4f30\u8ba1\u7684\u8bef\u5dee\u8303\u56f4\u3002\u6570\u503c\u8d8a\u5c0f&#xff0c;\u65f6\u95f4\u540c\u6b65\u8d8a\u51c6\u786e&#xff0c;&#043;\u4fbf\u5b9c\u8868\u793a\u7cfb\u7edf\u65f6\u949f\u6bd4\u65f6\u95f4\u6e90\u5feb<\/li>\n<\/ul>\n<h3>\u67e5\u770b\u65f6\u95f4\u6e90\u7684\u8be6\u7ec6\u72b6\u6001<\/h3>\n<h4>chronyc sourcestats\u8f93\u51fa\u5206\u6790<\/h4>\n<p>[root&#064;localhost ~]#  chronyc  sourcestats  -v<br \/>\n                             .- Number of sample points in measurement set.<br \/>\n                            \/    .- Number of residual runs with same sign.<br \/>\n                           |    \/    .- Length of measurement set (time).<br \/>\n                           |   |    \/      .- Est. clock freq error (ppm).<br \/>\n                           |   |   |      \/           .- Est. error in freq.<br \/>\n                           |   |   |     |           \/         .- Est. offset.<br \/>\n                           |   |   |     |          |          |   On the -.<br \/>\n                           |   |   |     |          |          |   samples. \\\\<br \/>\n                           |   |   |     |          |          |             |<br \/>\nName\/IP Address            NP  NR  Span  Frequency  Freq Skew  Offset  Std Dev<br \/>\n&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;<br \/>\nmakaki.miuku.net            3   3   130   -159.586  95588.516    -17ms    14ms<br \/>\nntp.wdc2.us.leaseweb.net    4   3   195    &#043;22.966    457.776  &#043;5844us  2219us<br \/>\nntp5.flashdance.cx          3   3   194    &#043;14.040   3093.718   &#043;113us   659us<br \/>\ntock.ntp.infomaniak.ch      4   4   195    -49.956    969.404    -13ms  3592us<\/p>\n<h4>\u4e3b\u8981\u5b57\u6bb5&#xff1a;<\/h4>\n<ul>\n<li>NP&#xff1a;\u6d4b\u91cf\u96c6\u4e2d\u6837\u672c\u70b9\u7684\u6570\u91cf&#xff0c;\u8868\u793a\u4ece\u8be5\u65f6\u95f4\u6e90\u6536\u96c6\u5230\u7684\u65f6\u95f4\u6837\u672c\u6570\u3002<\/li>\n<li>NR&#xff1a;\u6b8b\u5dee\u7684\u6570\u91cf&#xff0c;\u8868\u793a\u5177\u6709\u76f8\u540c\u7b26\u53f7\u7684\u8fde\u7eed\u6d4b\u91cf\u70b9\u7684\u6570\u91cf&#xff0c;\u6570\u5b57\u8d8a\u9ad8\u8868\u793a\u6ce2\u52a8\u8d8a\u5c0f<\/li>\n<li>Span&#xff1a;\u6d4b\u91cf\u96c6\u7684\u65f6\u95f4\u8de8\u5ea6&#xff0c;\u663e\u793a\u4ece\u8be5\u65f6\u95f4\u6e90\u6536\u96c6\u6570\u636e\u7684\u603b\u65f6\u95f4\u3002<\/li>\n<li>Frequency&#xff1a;\u4f30\u7b97\u7684\u65f6\u949f\u9891\u7387\u8bef\u5dee&#xff08;ppm&#xff09;&#xff0c;\u53cd\u6620\u7cfb\u7edf\u65f6\u949f\u7684\u6f02\u79fb&#xff0c;&#043;\u8868\u793a\u7cfb\u7edf\u5b9e\u8df5\u6bd4\u65f6\u95f4\u6e90\u5feb<\/li>\n<li>Freq Skew&#xff1a;\u9891\u7387\u504f\u5dee&#xff0c;\u8868\u660e\u9891\u7387\u6d4b\u91cf\u7684\u4e0d\u786e\u5b9a\u6027&#xff0c;\u6570\u5b57\u8d8a\u5c0f\u7a33\u5b9a\u6027\u8d8a\u9ad8<\/li>\n<li>Offset&#xff1a;\u65f6\u95f4\u504f\u79fb\u91cf&#xff0c;\u8868\u793a\u7cfb\u7edf\u65f6\u95f4\u4e0e\u8be5\u65f6\u95f4\u6e90\u7684\u65f6\u95f4\u5dee&#xff0c;&#043;\u8868\u793a\u7cfb\u7edf\u5b9e\u8df5\u6bd4\u65f6\u95f4\u6e90\u5feb<\/li>\n<li>Std 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