{"id":79411,"date":"2026-03-02T01:25:00","date_gmt":"2026-03-01T17:25:00","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/79411.html"},"modified":"2026-03-02T01:25:00","modified_gmt":"2026-03-01T17:25:00","slug":"centos-7%e4%b8%8bchrony%e4%b8%8entpd%e5%ae%9e%e6%88%98%e5%af%b9%e6%af%94%ef%bc%9a%e5%93%aa%e4%b8%aa%e6%9b%b4%e9%80%82%e5%90%88%e4%bd%a0%e7%9a%84%e6%9c%8d%e5%8a%a1%e5%99%a8%e6%97%b6%e9%97%b4%e5%90%8c","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/79411.html","title":{"rendered":"CentOS 7\u4e0bChrony\u4e0eNTPd\u5b9e\u6218\u5bf9\u6bd4\uff1a\u54ea\u4e2a\u66f4\u9002\u5408\u4f60\u7684\u670d\u52a1\u5668\u65f6\u95f4\u540c\u6b65\uff1f"},"content":{"rendered":"<h2>CentOS 7\u670d\u52a1\u5668\u65f6\u95f4\u540c\u6b65\u6df1\u5ea6\u6289\u62e9&#xff1a;Chrony\u4e0eNTPd\u7684\u5b9e\u6218\u5256\u6790\u4e0e\u9009\u578b\u6307\u5357<\/h2>\n<p>\u5728\u670d\u52a1\u5668\u8fd0\u7ef4\u7684\u65e5\u5e38\u4e2d&#xff0c;\u65f6\u95f4\u540c\u6b65\u662f\u4e00\u4e2a\u770b\u4f3c\u57fa\u7840\u5374\u81f3\u5173\u91cd\u8981\u7684\u73af\u8282\u3002\u65e0\u8bba\u662f\u5206\u5e03\u5f0f\u6570\u636e\u5e93\u7684\u4e8b\u52a1\u4e00\u81f4\u6027\u3001\u65e5\u5fd7\u65f6\u95f4\u6233\u7684\u7cbe\u786e\u6392\u5e8f&#xff0c;\u8fd8\u662f\u5b89\u5168\u8bc1\u4e66\u7684\u6709\u6548\u6027\u9a8c\u8bc1&#xff0c;\u6beb\u79d2\u751a\u81f3\u5fae\u79d2\u7ea7\u7684\u65f6\u95f4\u504f\u5dee\u90fd\u53ef\u80fd\u5bfc\u81f4\u96be\u4ee5\u6392\u67e5\u7684\u6545\u969c\u3002\u5bf9\u4e8eCentOS 7\u7684\u7cfb\u7edf\u7ba1\u7406\u5458\u800c\u8a00&#xff0c;\u9762\u5bf9Chrony\u548cNTPd\u8fd9\u4e24\u4e2a\u4e3b\u6d41\u7684\u65f6\u95f4\u540c\u6b65\u670d\u52a1&#xff0c;\u5982\u4f55\u505a\u51fa\u6700\u9002\u5408\u81ea\u8eab\u73af\u5883\u7684\u9009\u62e9&#xff0c;\u5f80\u5f80\u9700\u8981\u8d85\u8d8a\u7b80\u5355\u7684\u5b89\u88c5\u547d\u4ee4&#xff0c;\u6df1\u5165\u5230\u6027\u80fd\u3001\u7cbe\u5ea6\u3001\u8d44\u6e90\u6d88\u8017\u548c\u8fd0\u7ef4\u590d\u6742\u5ea6\u7684\u5b9e\u6218\u5c42\u9762\u8fdb\u884c\u8003\u91cf\u3002\u672c\u6587\u5c06\u4ece\u4e00\u4f4d\u8d44\u6df1\u8fd0\u7ef4\u5de5\u7a0b\u5e08\u7684\u89c6\u89d2\u51fa\u53d1&#xff0c;\u7ed3\u5408\u771f\u5b9e\u7684\u670d\u52a1\u5668\u7ba1\u7406\u573a\u666f&#xff0c;\u4e3a\u4f60\u62c6\u89e3\u4e24\u8005\u7684\u6838\u5fc3\u5dee\u5f02&#xff0c;\u5e76\u63d0\u4f9b\u57fa\u4e8e\u4e0d\u540c\u7f51\u7edc\u6761\u4ef6\u4e0e\u670d\u52a1\u5668\u8d1f\u8f7d\u7684\u6e05\u6670\u9009\u578b\u8def\u5f84\u3002<\/p>\n<h3>1. \u6838\u5fc3\u8bbe\u8ba1\u54f2\u5b66\u4e0e\u67b6\u6784\u5dee\u5f02&#xff1a;\u7406\u89e3\u9009\u62e9\u7684\u8d77\u70b9<\/h3>\n<p>\u8981\u505a\u51fa\u660e\u667a\u7684\u9009\u62e9&#xff0c;\u9996\u5148\u5f97\u7406\u89e3\u4e24\u8005\u80cc\u540e\u7684\u8bbe\u8ba1\u7406\u5ff5\u3002\u8fd9\u4e0d\u4ec5\u4ec5\u662f\u4e24\u4e2a\u8f6f\u4ef6\u7684\u6bd4\u8f83&#xff0c;\u66f4\u662f\u4e24\u79cd\u89e3\u51b3\u65f6\u95f4\u540c\u6b65\u95ee\u9898\u601d\u8def\u7684\u78b0\u649e\u3002<\/p>\n<p>NTPd \u582a\u79f0\u65f6\u95f4\u540c\u6b65\u9886\u57df\u7684\u201c\u8001\u5c06\u201d&#xff0c;\u5176\u8bbe\u8ba1\u9075\u5faa\u4e86\u7ecf\u5178NTP\u534f\u8bae\u7684\u5b8c\u6574\u5b9e\u73b0\u3002\u5b83\u7684\u67b6\u6784\u590d\u6742\u800c\u4e25\u8c28&#xff0c;\u5185\u7f6e\u4e86\u591a\u5c42\u7684\u65f6\u949f\u7b5b\u9009\u3001\u8fc7\u6ee4\u548c\u7ec4\u5408\u7b97\u6cd5\u3002\u4f60\u53ef\u4ee5\u628a\u5b83\u60f3\u8c61\u6210\u4e00\u4e2a\u7ecf\u9a8c\u4e30\u5bcc\u7684\u949f\u8868\u5320&#xff0c;\u62e5\u6709\u5168\u5957\u7cbe\u5bc6\u5de5\u5177&#xff0c;\u901a\u8fc7\u590d\u6742\u7684\u8ba1\u7b97\u6765\u6821\u51c6\u65f6\u949f\u3002\u8fd9\u79cd\u8bbe\u8ba1\u7684\u4f18\u52bf\u5728\u4e8e\u6781\u7aef\u60c5\u51b5\u4e0b\u7684\u9c81\u68d2\u6027&#xff0c;\u4f46\u5176\u4ee3\u4ef7\u662f\u521d\u59cb\u5316\u540c\u6b65\u8f83\u6162&#xff0c;\u4e14\u5728\u7f51\u7edc\u6ce2\u52a8\u65f6&#xff0c;\u5176\u590d\u6742\u7684\u7b97\u6cd5\u53ef\u80fd\u9700\u8981\u66f4\u957f\u65f6\u95f4\u6765\u6536\u655b\u5230\u4e00\u4e2a\u7a33\u5b9a\u72b6\u6001\u3002<\/p>\n<p>\u6ce8\u610f&#xff1a;NTPd\u7684\u201c\u590d\u6742\u201d\u5e76\u975e\u8d2c\u4e49&#xff0c;\u5728\u62e5\u6709\u7a33\u5b9a\u3001\u9ad8\u8d28\u91cf\u4e0a\u6e38\u65f6\u95f4\u6e90\u7684\u5927\u578b\u57fa\u7840\u8bbe\u65bd\u4e2d&#xff0c;\u8fd9\u79cd\u590d\u6742\u6027\u662f\u5176\u9ad8\u53ef\u9760\u6027\u7684\u57fa\u77f3\u3002<\/p>\n<p>\u76f8\u6bd4\u4e4b\u4e0b&#xff0c;Chrony \u66f4\u50cf\u662f\u4e00\u4f4d\u201c\u654f\u6377\u7684\u73b0\u4ee3\u5de5\u7a0b\u5e08\u201d\u3002\u5b83\u8bde\u751f\u4e8e\u5bf9\u4e92\u8054\u7f51\u73af\u5883&#xff08;\u5c24\u5176\u662f\u79fb\u52a8\u548c\u865a\u62df\u5316\u73af\u5883&#xff09;\u4e2d\u7f51\u7edc\u5ef6\u8fdf\u4e0d\u5bf9\u79f0\u3001\u95f4\u6b47\u6027\u4e2d\u65ad\u7b49\u95ee\u9898\u7684\u76f4\u63a5\u56de\u5e94\u3002Chrony\u7684\u8bbe\u8ba1\u76ee\u6807\u975e\u5e38\u660e\u786e&#xff1a;\u66f4\u5feb\u5730\u5b8c\u6210\u521d\u59cb\u540c\u6b65&#xff0c;\u5e76\u5728\u7f51\u7edc\u6761\u4ef6\u4e0d\u4f73\u65f6\u4fdd\u6301\u66f4\u597d\u7684\u7a33\u5b9a\u6027\u3002\u5b83\u91c7\u7528\u4e86\u4e00\u79cd\u66f4\u6fc0\u8fdb\u7684\u7b56\u7565&#xff0c;\u4f8b\u5982&#xff1a;<\/p>\n<ul>\n<li>\u66f4\u79ef\u6781\u7684\u6ee4\u6ce2\u7b97\u6cd5&#xff1a;\u80fd\u66f4\u5feb\u5730\u8bc6\u522b\u5e76\u4e22\u5f03\u5f02\u5e38\u7684\u65f6\u95f4\u6837\u672c\u3002<\/li>\n<li>\u5bf9\u865a\u62df\u5316\u73af\u5883\u7684\u539f\u751f\u4f18\u5316&#xff1a;\u4e13\u95e8\u5904\u7406\u865a\u62df\u673a\u4e2d\u65f6\u949f\u53ef\u80fd\u51fa\u73b0\u7684\u8df3\u53d8\u95ee\u9898\u3002<\/li>\n<li>\u66f4\u7b80\u5316\u7684\u5ba2\u6237\u7aef-\u670d\u52a1\u5668\u6a21\u578b&#xff1a;\u5728\u5e38\u89c1\u573a\u666f\u4e0b&#xff0c;\u914d\u7f6e\u548c\u7ba1\u7406\u7684\u5fc3\u667a\u8d1f\u62c5\u66f4\u5c0f\u3002<\/li>\n<\/ul>\n<p>\u6211\u4eec\u53ef\u4ee5\u7528\u4e00\u4e2a\u7b80\u5355\u7684\u8868\u683c\u6765\u6982\u62ec\u4e24\u8005\u5728\u8bbe\u8ba1\u521d\u671f\u7684\u4fa7\u91cd\u70b9&#xff1a;<\/p>\n<table>\n<tr>\u7279\u6027\u7ef4\u5ea6NTPd (ntpd)Chrony (chronyd)<\/tr>\n<tbody>\n<tr>\n<td style=\"text-align:left\">\u8bbe\u8ba1\u5e74\u4ee3\u4e0e\u80cc\u666f<\/td>\n<td style=\"text-align:left\">\u4f20\u7edf&#xff0c;\u9762\u5411\u7a33\u5b9a\u6709\u7ebf\u7f51\u7edc<\/td>\n<td style=\"text-align:left\">\u8f83\u65b0&#xff0c;\u9762\u5411\u73b0\u4ee3\u4e92\u8054\u7f51\u53ca\u865a\u62df\u5316\u73af\u5883<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align:left\">\u6838\u5fc3\u76ee\u6807<\/td>\n<td style=\"text-align:left\">\u9ad8\u7cbe\u5ea6\u3001\u9ad8\u53ef\u9760\u6027&#xff0c;\u9075\u5faaRFC<\/td>\n<td style=\"text-align:left\">\u5feb\u901f\u6536\u655b\u3001\u9ad8\u7a33\u5b9a\u6027&#xff0c;\u5c24\u5176\u5728\u6076\u52a3\u7f51\u7edc\u4e0b<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align:left\">\u7b97\u6cd5\u590d\u6742\u5ea6<\/td>\n<td style=\"text-align:left\">\u9ad8&#xff0c;\u5305\u542b\u5b8c\u6574NTP\u72b6\u6001\u673a<\/td>\n<td style=\"text-align:left\">\u76f8\u5bf9\u7b80\u5316&#xff0c;\u4f18\u5316\u4e86\u5e38\u89c1\u8def\u5f84<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align:left\">\u5bf9\u65f6\u949f\u8df3\u53d8\u7684\u5904\u7406<\/td>\n<td style=\"text-align:left\">\u76f8\u5bf9\u4fdd\u5b88&#xff0c;\u503e\u5411\u4e8e\u5e73\u6ed1\u8c03\u6574<\/td>\n<td style=\"text-align:left\">\u66f4\u4e3b\u52a8&#xff0c;\u53ef\u914d\u7f6e\u4e3a\u5141\u8bb8\u66f4\u5927\u7684\u6b65\u8fdb\u8c03\u6574<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u8fd9\u79cd\u6839\u672c\u6027\u7684\u5dee\u5f02&#xff0c;\u76f4\u63a5\u5f71\u54cd\u4e86\u5b83\u4eec\u5728\u540e\u7eed\u6240\u6709\u65b9\u9762\u7684\u8868\u73b0\u3002<\/p>\n<h3>2. \u5b9e\u6218\u5b89\u88c5\u3001\u914d\u7f6e\u4e0e\u57fa\u7840\u7ba1\u7406<\/h3>\n<p>\u7406\u8bba\u4e4b\u540e&#xff0c;\u6211\u4eec\u8fdb\u5165\u52a8\u624b\u73af\u8282\u3002\u5728CentOS 7\u4e0a&#xff0c;\u4e24\u8005\u7684\u5b89\u88c5\u90fd\u6781\u4e3a\u7b80\u5355&#xff0c;\u4f46\u914d\u7f6e\u6587\u4ef6\u7684\u98ce\u683c\u548c\u65e5\u5e38\u7ba1\u7406\u547d\u4ee4\u5374\u4f53\u73b0\u4e86\u4e0d\u540c\u7684\u54f2\u5b66\u3002<\/p>\n<h4>2.1 \u5b89\u88c5\u4e0e\u670d\u52a1\u7ba1\u7406<\/h4>\n<p>\u5b89\u88c5\u8fc7\u7a0b\u901a\u8fc7YUM\u5305\u7ba1\u7406\u5668\u4e00\u952e\u5b8c\u6210&#xff1a;<\/p>\n<p># \u5b89\u88c5 Chrony<br \/>\nsudo yum install -y chrony<\/p>\n<p># \u5b89\u88c5 NTPd<br \/>\nsudo yum install -y ntp<\/p>\n<p>\u5b89\u88c5\u540e&#xff0c;\u670d\u52a1\u7ba1\u7406\u662f\u65e5\u5e38\u63a5\u89e6\u6700\u591a\u7684\u90e8\u5206\u3002\u4e24\u8005\u90fd\u4f7f\u7528systemd\u8fdb\u884c\u7ba1\u7406&#xff0c;\u4f46\u670d\u52a1\u540d\u4e0d\u540c&#xff1a;<\/p>\n<p># Chrony \u670d\u52a1\u7ba1\u7406<br \/>\nsudo systemctl start chronyd    # \u542f\u52a8<br \/>\nsudo systemctl enable chronyd   # \u8bbe\u7f6e\u5f00\u673a\u81ea\u542f<br \/>\nsudo systemctl status chronyd   # \u67e5\u770b\u72b6\u6001<br \/>\nsudo systemctl restart chronyd  # \u91cd\u542f<\/p>\n<p># NTPd \u670d\u52a1\u7ba1\u7406<br \/>\nsudo systemctl start ntpd<br \/>\nsudo systemctl enable ntpd<br \/>\nsudo systemctl status ntpd<br \/>\nsudo systemctl restart ntpd<\/p>\n<p>\u4e00\u4e2a\u5173\u952e\u7684\u5b9e\u6218\u63d0\u9192&#xff1a;\u5728CentOS 7\u53ca\u66f4\u9ad8\u7248\u672c\u4e2d&#xff0c;\u7edd\u5bf9\u4e0d\u8981\u540c\u65f6\u542f\u7528\u5e76\u8fd0\u884c\u4e24\u8005\u3002\u5b83\u4eec\u4f1a\u7ade\u4e89\u4fee\u6539\u7cfb\u7edf\u65f6\u949f&#xff0c;\u5bfc\u81f4\u4e0d\u53ef\u9884\u6d4b\u7684\u7ed3\u679c\u3002\u64cd\u4f5c\u7cfb\u7edf\u901a\u5e38\u9ed8\u8ba4\u5b89\u88c5\u4e86Chrony&#xff0c;\u5982\u679c\u4f60\u51b3\u5b9a\u4f7f\u7528NTPd&#xff0c;\u52a1\u5fc5\u5148\u505c\u6b62\u5e76\u7981\u7528Chrony&#xff1a;<\/p>\n<p>sudo systemctl stop chronyd<br \/>\nsudo systemctl disable chronyd<\/p>\n<h4>2.2 \u914d\u7f6e\u6587\u4ef6\u89e3\u6790\u4e0e\u5173\u952e\u8c03\u4f18<\/h4>\n<p>\u914d\u7f6e\u6587\u4ef6\u7684\u5dee\u5f02\u662f\u4e24\u8005\u6613\u7528\u6027\u5bf9\u6bd4\u7684\u6838\u5fc3\u3002\u6211\u4eec\u901a\u8fc7\u5173\u952e\u914d\u7f6e\u7247\u6bb5\u6765\u611f\u53d7\u4e00\u4e0b\u3002<\/p>\n<p>NTPd\u7684\u914d\u7f6e (\/etc\/ntp.conf) \u663e\u5f97\u66f4\u4e3a\u201c\u5b66\u9662\u6d3e\u201d\u548c\u8be6\u7ec6\u3002\u4e00\u4e2a\u5178\u578b\u7684\u751f\u4ea7\u914d\u7f6e\u53ef\u80fd\u5305\u542b\u4ee5\u4e0b\u90e8\u5206&#xff1a;<\/p>\n<p># 1. \u5b9a\u4e49\u65f6\u949f\u6f02\u79fb\u8bb0\u5f55\u6587\u4ef6<br \/>\ndriftfile \/var\/lib\/ntp\/drift<\/p>\n<p># 2. \u8bbf\u95ee\u63a7\u5236&#xff08;\u5b89\u5168\u81f3\u5173\u91cd\u8981&#xff09;<br \/>\nrestrict default kod nomodify notrap nopeer noquery<br \/>\nrestrict -6 default kod nomodify notrap nopeer noquery<br \/>\nrestrict 127.0.0.1<br \/>\nrestrict ::1<br \/>\n# \u5141\u8bb8\u5185\u7f51\u7279\u5b9a\u7f51\u6bb5\u67e5\u8be2<br \/>\nrestrict 10.0.0.0 mask 255.255.255.0 nomodify notrap<\/p>\n<p># 3. \u6307\u5b9a\u4e0a\u6e38\u65f6\u95f4\u670d\u52a1\u5668&#xff08;\u4ee5\u963f\u91cc\u4e91NTP\u4e3a\u4f8b&#xff09;<br \/>\nserver ntp1.aliyun.com iburst<br \/>\nserver ntp2.aliyun.com iburst<br \/>\nserver ntp3.aliyun.com iburst<\/p>\n<p># 4. \u5982\u679c\u65e0\u6cd5\u8fde\u63a5\u5916\u7f51&#xff0c;\u5219\u4f7f\u7528\u672c\u5730\u65f6\u949f\u4f5c\u4e3a\u964d\u7ea7\u6e90&#xff08;\u5c42\u7ea716&#xff09;<br \/>\nserver 127.127.1.0<br \/>\nfudge 127.127.1.0 stratum 10<\/p>\n<p># 5. \u65e5\u5fd7\u914d\u7f6e<br \/>\nlogfile \/var\/log\/ntp.log<\/p>\n<p>\u63d0\u793a&#xff1a;iburst\u9009\u9879\u4f1a\u5728\u670d\u52a1\u542f\u52a8\u65f6\u53d1\u9001\u4e00\u7ec4\u6570\u636e\u5305&#xff0c;\u52a0\u901f\u521d\u59cb\u540c\u6b65\u8fc7\u7a0b&#xff0c;\u5efa\u8bae\u59cb\u7ec8\u52a0\u4e0a\u3002<\/p>\n<p>Chrony\u7684\u914d\u7f6e (\/etc\/chrony.conf) \u5219\u66f4\u52a0\u7b80\u6d01\u548c\u201c\u58f0\u660e\u5f0f\u201d\u3002\u540c\u6837\u7684\u529f\u80fd&#xff0c;\u914d\u7f6e\u770b\u8d77\u6765\u66f4\u6e05\u723d&#xff1a;<\/p>\n<p># 1. \u6307\u5b9a\u4e0a\u6e38\u65f6\u95f4\u670d\u52a1\u5668<br \/>\nserver ntp.aliyun.com iburst<br \/>\nserver time.cloudflare.com iburst<br \/>\npool 2.centos.pool.ntp.org iburst<\/p>\n<p># 2. \u5141\u8bb8\u54ea\u4e2a\u7f51\u7edc\u6765\u540c\u6b65\u672c\u673a&#xff08;\u5982\u679c\u672c\u673a\u4f5c\u4e3a\u670d\u52a1\u5668&#xff09;<br \/>\nallow 10.0.0.0\/24<br \/>\n# \u6216\u8005\u62d2\u7edd\u6240\u6709&#xff0c;\u4ec5\u4f5c\u4e3a\u5ba2\u6237\u7aef<br \/>\n# deny all<\/p>\n<p># 3. \u4e00\u4e2a\u6307\u4ee4\u641e\u5b9aRTC&#xff08;\u786c\u4ef6\u65f6\u949f&#xff09;\u540c\u6b65<br \/>\nrtcsync<\/p>\n<p># 4. \u5b9a\u4e49\u65f6\u949f\u6b65\u8fdb\u7b56\u7565&#xff1a;\u5982\u679c\u504f\u79fb\u5927\u4e8e1\u79d2&#xff0c;\u524d3\u6b21\u6821\u6b63\u91c7\u7528\u6b65\u8fdb&#xff08;\u77ac\u95f4\u8df3\u53d8&#xff09;&#xff0c;\u4e4b\u540e\u91c7\u7528\u5e73\u6ed1\u8c03\u6574<br \/>\nmakestep 1.0 3<\/p>\n<p># 5. \u8bb0\u5f55\u76ee\u5f55<br \/>\nlogdir \/var\/log\/chrony<\/p>\n<p>\u4ece\u914d\u7f6e\u5bf9\u6bd4\u53ef\u4ee5\u770b\u51fa&#xff0c;Chrony\u901a\u8fc7\u66f4\u5c11\u7684\u6307\u4ee4\u548c\u66f4\u5408\u7406\u7684\u9ed8\u8ba4\u503c&#xff0c;\u964d\u4f4e\u4e86\u914d\u7f6e\u95e8\u69db\u3002\u4f8b\u5982&#xff0c;rtcsync\u4e00\u4e2a\u6307\u4ee4\u5c31\u66ff\u4ee3\u4e86NTPd\u4e2d\u53ef\u80fd\u9700\u8981\u989d\u5916\u811a\u672c\u624d\u80fd\u5b8c\u6210\u7684\u786c\u4ef6\u65f6\u949f\u540c\u6b65\u5de5\u4f5c\u3002makestep\u6307\u4ee4\u8ba9\u4f60\u53ef\u4ee5\u6e05\u6670\u5730\u63a7\u5236\u65f6\u95f4\u6821\u6b63\u7684\u6fc0\u8fdb\u7a0b\u5ea6&#xff0c;\u8fd9\u5728\u4fee\u590d\u4e00\u4e2a\u65f6\u95f4\u504f\u5dee\u5f88\u5927\u7684\u65b0\u670d\u52a1\u5668\u65f6\u975e\u5e38\u6709\u7528\u3002<\/p>\n<h3>3. \u6027\u80fd\u4e0e\u7cbe\u5ea6\u5b9e\u6d4b&#xff1a;\u6570\u636e\u4e0b\u7684\u771f\u76f8<\/h3>\n<p>\u5bf9\u4e8e\u8fd0\u7ef4\u4eba\u5458\u6765\u8bf4&#xff0c;\u914d\u7f6e\u7b80\u6d01\u56fa\u7136\u597d&#xff0c;\u4f46\u6700\u7ec8\u8fd8\u662f\u8981\u770b\u201c\u7597\u6548\u201d\u3002\u6211\u4eec\u4e3b\u8981\u4ece\u4e09\u4e2a\u7ef4\u5ea6\u6765\u8bc4\u4f30&#xff1a;\u521d\u59cb\u540c\u6b65\u901f\u5ea6\u3001\u957f\u671f\u540c\u6b65\u7cbe\u5ea6\u548c\u7cfb\u7edf\u8d44\u6e90\u6d88\u8017\u3002<\/p>\n<h4>3.1 \u521d\u59cb\u540c\u6b65\u901f\u5ea6<\/h4>\n<p>\u8fd9\u662fChrony\u8bbe\u8ba1\u4e0a\u5c31\u5360\u4f18\u7684\u9886\u57df\u3002\u5728\u4e00\u4e2a\u6a21\u62df\u7684\u6d4b\u8bd5\u4e2d&#xff0c;\u6211\u4eec\u542f\u52a8\u4e00\u53f0\u65f6\u95f4\u504f\u5dee\u7ea630\u79d2\u7684\u65b0\u865a\u62df\u673a&#xff0c;\u5e76\u540c\u65f6\u914d\u7f6eChrony\u548cNTPd\u8fde\u63a5\u5230\u76f8\u540c\u7684\u4e00\u7ec4\u4e0a\u6e38\u670d\u52a1\u5668\u3002<\/p>\n<ul>\n<li>Chrony&#xff1a;\u901a\u5e38\u5728\u542f\u52a8\u670d\u52a1\u540e\u768410-30\u79d2\u5185&#xff0c;\u901a\u8fc7chronyc tracking\u547d\u4ee4\u5c31\u80fd\u770b\u5230\u65f6\u949f\u5df2\u7ecf\u540c\u6b65&#xff0c;\u5e76\u4e14\u72b6\u6001\u663e\u793a\u4e3a\u201c\u6b63\u5e38\u201d\u3002\u5b83\u5feb\u901f\u5229\u7528\u4e86iburst\u673a\u5236\u5e76\u5e94\u7528\u4e86makestep\u89c4\u5219\u3002<\/li>\n<li>NTPd&#xff1a;\u53ef\u80fd\u9700\u8981\u6570\u5206\u949f\u624d\u80fd\u5c06\u72b6\u6001\u4ece\u201c\u672a\u540c\u6b65\u201d\u53d8\u4e3a\u201c\u5df2\u540c\u6b65\u201d\u3002NTPd\u503e\u5411\u4e8e\u91c7\u7528\u66f4\u7f13\u6162\u7684\u5e73\u6ed1\u8c03\u6574&#xff08;slewing&#xff09;&#xff0c;\u9664\u975e\u504f\u5dee\u8d85\u8fc7128ms&#xff08;\u9ed8\u8ba4\u503c&#xff09;&#xff0c;\u5b83\u624d\u4f1a\u8003\u8651\u6b65\u8fdb\u3002\u867d\u7136\u53ef\u4ee5\u901a\u8fc7\u8c03\u6574tinker panic\u7b49\u53c2\u6570\u6765\u6539\u53d8\u884c\u4e3a&#xff0c;\u4f46\u8fd9\u589e\u52a0\u4e86\u590d\u6742\u6027\u3002<\/li>\n<\/ul>\n<p>\u5b9e\u6218\u573a\u666f&#xff1a;\u5f53\u4f60\u9700\u8981\u5feb\u901f\u90e8\u7f72\u4e00\u6279\u65b0\u670d\u52a1\u5668\u5e76\u5e0c\u671b\u5b83\u4eec\u7acb\u5373\u6295\u5165\u751f\u4ea7&#xff08;\u4f8b\u5982\u52a0\u5165Kubernetes\u96c6\u7fa4&#xff09;&#xff0c;Chrony\u7684\u5feb\u901f\u540c\u6b65\u80fd\u529b\u80fd\u663e\u8457\u7f29\u77ed\u90e8\u7f72\u5468\u671f\u3002<\/p>\n<h4>3.2 \u957f\u671f\u540c\u6b65\u7cbe\u5ea6\u4e0e\u7a33\u5b9a\u6027<\/h4>\n<p>\u5728\u6301\u7eed\u8fd0\u884c\u4e14\u7f51\u7edc\u7a33\u5b9a\u7684\u73af\u5883\u4e2d&#xff0c;\u4e24\u8005\u90fd\u80fd\u8fbe\u5230\u4e9a\u6beb\u79d2\u7ea7\u7684\u540c\u6b65\u7cbe\u5ea6&#xff0c;\u8fd9\u5bf9\u4e8e\u7edd\u5927\u591a\u6570\u5e94\u7528\u5df2\u7ecf\u7ef0\u7ef0\u6709\u4f59\u3002\u771f\u6b63\u7684\u5dee\u5f02\u4f53\u73b0\u5728\u7f51\u7edc\u6ce2\u52a8\u65f6\u3002<\/p>\n<ul>\n<li>Chrony&#xff1a;\u5176\u6ee4\u6ce2\u7b97\u6cd5\u5bf9\u7f51\u7edc\u5ef6\u8fdf\u7684\u7a81\u53d8\u548c\u4e22\u5305\u66f4\u5177\u5f39\u6027\u3002\u5f53\u67d0\u4e2a\u4e0a\u6e38\u670d\u52a1\u5668\u6682\u65f6\u4e0d\u53ef\u8fbe\u6216\u5ef6\u8fdf\u6fc0\u589e\u65f6&#xff0c;Chrony\u80fd\u66f4\u5feb\u5730\u964d\u4f4e\u5176\u6743\u91cd\u6216\u5c06\u5176\u4e22\u5f03&#xff0c;\u907f\u514d\u5f71\u54cd\u6574\u4f53\u540c\u6b65\u8d28\u91cf\u3002\u4f7f\u7528chronyc sources -v\u547d\u4ee4\u53ef\u4ee5\u6e05\u6670\u5730\u770b\u5230\u6bcf\u4e2a\u6e90\u7684\u72b6\u6001\u3001\u504f\u5dee\u548c\u6743\u91cd\u53d8\u5316\u3002<\/li>\n<li>NTPd&#xff1a;\u5176\u7b97\u6cd5\u66f4\u4e3a\u4fdd\u5b88\u548c\u4e25\u8c28\u3002\u5728\u7f51\u7edc\u51fa\u73b0\u77ed\u6682\u95ee\u9898\u65f6&#xff0c;\u5b83\u53ef\u80fd\u66f4\u503e\u5411\u4e8e\u201c\u7b49\u5f85\u201d\u800c\u4e0d\u662f\u201c\u5207\u6362\u201d&#xff0c;\u8fd9\u6709\u65f6\u4f1a\u5bfc\u81f4\u540c\u6b65\u7cbe\u5ea6\u51fa\u73b0\u66f4\u957f\u65f6\u95f4\u7684\u6ce2\u52a8&#xff0c;\u4f46\u4e5f\u80fd\u907f\u514d\u56e0\u7f51\u7edc\u95ea\u65ad\u800c\u8bef\u5224\u4e00\u4e2a\u597d\u7684\u65f6\u95f4\u6e90\u3002<\/li>\n<\/ul>\n<p>\u76d1\u63a7\u6280\u5de7&#xff1a;\u65e0\u8bba\u4f7f\u7528\u54ea\u4e2a&#xff0c;\u90fd\u5e94\u5efa\u7acb\u76d1\u63a7\u3002\u53ef\u4ee5\u5b9a\u671f\u91c7\u96c6ntpq -pn&#xff08;NTPd&#xff09;\u6216chronyc tracking&#xff08;Chrony&#xff09;\u7684\u8f93\u51fa&#xff0c;\u5173\u6ce8offset&#xff08;\u65f6\u95f4\u504f\u79fb&#xff09;\u548cjitter&#xff08;\u6296\u52a8&#xff09;\u7684\u503c\u3002\u4e00\u4e2a\u5065\u5eb7\u7684\u7cfb\u7edf&#xff0c;offset\u5e94\u5728\u51e0\u6beb\u79d2\u4ee5\u5185&#xff0c;jitter\u5e94\u4fdd\u6301\u4f4e\u4f4d\u7a33\u5b9a\u3002<\/p>\n<h4>3.3 \u7cfb\u7edf\u8d44\u6e90\u6d88\u8017<\/h4>\n<p>\u5728\u8d44\u6e90\u53d7\u9650\u7684\u73af\u5883&#xff08;\u5982\u8f7b\u91cf\u7ea7\u5bb9\u5668\u6216\u5c0f\u578b\u865a\u62df\u673a&#xff09;\u4e2d&#xff0c;\u8fd9\u4e00\u70b9\u503c\u5f97\u5173\u6ce8\u3002<\/p>\n<ul>\n<li>CPU\u4e0e\u5185\u5b58&#xff1a;\u4e24\u8005\u5728\u7a7a\u95f2\u65f6\u7684\u8d44\u6e90\u5360\u7528\u90fd\u6781\u4f4e&#xff08;\u51e0\u4e4e\u4e3a0% CPU&#xff0c;\u5185\u5b58\u5360\u7528\u5728\u51e0MB\u5230\u5341\u51e0MB&#xff09;\u3002\u5728\u540c\u6b65\u6d3b\u52a8\u671f\u95f4&#xff0c;Chrony\u901a\u5e38\u56e0\u5176\u66f4\u7b80\u5355\u7684\u7b97\u6cd5\u800c\u6d88\u8017\u7565\u5c11\u7684CPU\u5468\u671f\u3002<\/li>\n<li>\u7f51\u7edc\u6d41\u91cf&#xff1a;\u8fd9\u662f\u66f4\u5173\u952e\u7684\u6307\u6807\u3002\u4e24\u8005\u90fd\u4f7f\u7528UDP 123\u7aef\u53e3\u8fdb\u884c\u901a\u4fe1\u3002Chrony\u7684\u9ed8\u8ba4\u8f6e\u8be2\u95f4\u9694\u7b56\u7565\u53ef\u80fd\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\u6bd4NTPd\u66f4\u4fdd\u5b88&#xff0c;\u4ece\u800c\u4ea7\u751f\u66f4\u5c11\u7684\u7f51\u7edc\u6570\u636e\u5305\u3002\u4f60\u53ef\u4ee5\u901a\u8fc7\u914d\u7f6e\u4e2d\u7684minpoll\u548cmaxpoll\u53c2\u6570&#xff08;\u4e24\u8005\u90fd\u652f\u6301&#xff09;\u6765\u63a7\u5236\u8f6e\u8be2\u95f4\u9694&#xff0c;\u5e73\u8861\u7cbe\u5ea6\u4e0e\u7f51\u7edc\u5f00\u9500\u3002<\/li>\n<\/ul>\n<p>\u4e00\u4e2a\u7b80\u5355\u7684\u8d44\u6e90\u5360\u7528\u5bf9\u6bd4\u6982\u89c8&#xff1a;<\/p>\n<table>\n<tr>\u8d44\u6e90\u7c7b\u578bNTPdChrony\u8bf4\u660e<\/tr>\n<tbody>\n<tr>\n<td style=\"text-align:left\">\u5e38\u9a7b\u5185\u5b58<\/td>\n<td style=\"text-align:left\">~10-15 MB<\/td>\n<td style=\"text-align:left\">~5-10 MB<\/td>\n<td style=\"text-align:left\">Chrony\u901a\u5e38\u66f4\u8f7b\u91cf<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align:left\">\u540c\u6b65\u65f6CPU<\/td>\n<td style=\"text-align:left\">\u8f83\u4f4e&#xff0c;\u7b97\u6cd5\u590d\u6742\u53ef\u80fd\u77ed\u6682\u7565\u9ad8<\/td>\n<td style=\"text-align:left\">\u8f83\u4f4e<\/td>\n<td style=\"text-align:left\">\u5dee\u5f02\u5728\u666e\u901a\u670d\u52a1\u5668\u4e0a\u53ef\u5ffd\u7565<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align:left\">\u7f51\u7edc\u5305\u9891\u7387<\/td>\n<td style=\"text-align:left\">\u53ef\u914d\u7f6e&#xff0c;\u9ed8\u8ba4\u4e2d\u7b49<\/td>\n<td style=\"text-align:left\">\u53ef\u914d\u7f6e&#xff0c;\u9ed8\u8ba4\u53ef\u80fd\u7565\u4f4e<\/td>\n<td style=\"text-align:left\">\u53d6\u51b3\u4e8epoll\u53c2\u6570\u8bbe\u7f6e<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>4. \u9ad8\u7ea7\u7279\u6027\u4e0e\u6545\u969c\u6392\u67e5\u573a\u666f<\/h3>\n<p>\u9664\u4e86\u57fa\u7840\u529f\u80fd&#xff0c;\u4e00\u4e9b\u9ad8\u7ea7\u7279\u6027\u548c\u5728\u7279\u5b9a\u6545\u969c\u4e0b\u7684\u8868\u73b0&#xff0c;\u53ef\u80fd\u6210\u4e3a\u4f60\u9009\u578b\u7684\u51b3\u5b9a\u6027\u56e0\u7d20\u3002<\/p>\n<h4>4.1 \u5bf9\u865a\u62df\u5316\u73af\u5883\u7684\u652f\u6301<\/h4>\n<p>\u8fd9\u662fChrony\u7684\u201c\u6740\u624b\u950f\u201d\u4e4b\u4e00\u3002\u5728VMware\u3001KVM\u6216Hyper-V\u7b49\u865a\u62df\u5316\u5e73\u53f0\u4e0a&#xff0c;\u865a\u62df\u673a\u7684\u65f6\u949f\u53ef\u80fd\u56e0\u5bbf\u4e3b\u673a\u7684\u8c03\u5ea6\u3001\u8fc1\u79fb\u7b49\u539f\u56e0\u53d1\u751f\u975e\u8fde\u7eed\u7684\u8df3\u53d8\u3002<\/p>\n<ul>\n<li>Chrony&#xff1a;\u63d0\u4f9b\u4e86refclock\u6307\u4ee4&#xff0c;\u53ef\u4ee5\u76f4\u63a5\u4e0e\u865a\u62df\u5316\u5e73\u53f0\u63d0\u4f9b\u7684\u51c6\u865a\u62df\u5316\u65f6\u949f&#xff08;\u5982PHC&#xff09;\u5bf9\u63a5&#xff0c;\u7ed5\u8fc7\u6709\u95ee\u9898\u7684\u7cfb\u7edf\u65f6\u949f\u3002\u6b64\u5916&#xff0c;\u5b83\u7684makestep\u7b56\u7565\u80fd\u66f4\u597d\u5730\u5904\u7406\u865a\u62df\u673a\u6062\u590d\u5feb\u7167\u540e\u4ea7\u751f\u7684\u5de8\u5927\u65f6\u95f4\u5dee\u3002<\/li>\n<li>NTPd&#xff1a;\u867d\u7136\u4e5f\u80fd\u5de5\u4f5c&#xff0c;\u4f46\u53ef\u80fd\u9700\u8981\u66f4\u7cbe\u7ec6\u5730\u8c03\u6574tinker\u53c2\u6570&#xff08;\u5982stepout\u3001panic&#xff09;\u6765\u9002\u5e94\u865a\u62df\u73af\u5883&#xff0c;\u5426\u5219\u5bb9\u6613\u51fa\u73b0\u670d\u52a1\u8fdb\u5165\u201c\u6050\u614c\u201d\u6a21\u5f0f\u800c\u505c\u6b62\u540c\u6b65\u7684\u60c5\u51b5\u3002<\/li>\n<\/ul>\n<p>\u5982\u679c\u4f60\u7684\u670d\u52a1\u5668\u5168\u90e8\u6216\u5927\u90e8\u5206\u8fd0\u884c\u5728\u4e91\u5e73\u53f0\u6216\u865a\u62df\u5316\u73af\u5883\u4e2d&#xff0c;Chrony\u7684\u9002\u5e94\u6027\u65e0\u7591\u66f4\u5f3a\u3002<\/p>\n<h4>4.2 \u79bb\u7ebf\u6216\u9694\u79bb\u7f51\u7edc\u73af\u5883<\/h4>\n<p>\u5728\u5185\u7f51\u9694\u79bb\u3001\u65e0\u6cd5\u8bbf\u95ee\u4e92\u8054\u7f51\u7684\u73af\u5883\u4e2d&#xff0c;\u4f60\u9700\u8981\u6784\u5efa\u81ea\u5df1\u7684\u65f6\u95f4\u540c\u6b65\u5c42\u7ea7\u3002<\/p>\n<ul>\n<li>NTPd&#xff1a;\u4f5c\u4e3a\u65f6\u95f4\u670d\u52a1\u5668\u7684\u5386\u53f2\u66f4\u60a0\u4e45&#xff0c;\u6587\u6863\u548c\u6848\u4f8b\u975e\u5e38\u4e30\u5bcc\u3002\u914d\u7f6e\u4e00\u53f0\u5185\u7f51\u7684Stratum 1\u670d\u52a1\u5668&#xff08;\u901a\u8fc7GPS\u6216\u65e0\u7ebf\u7535\u63a5\u6536\u5668&#xff09;\u6216Stratum 2\u670d\u52a1\u5668&#xff0c;\u5176\u7a33\u5b9a\u6027\u548c\u53ef\u9760\u6027\u4e45\u7ecf\u8003\u9a8c\u3002<\/li>\n<li>Chrony&#xff1a;\u540c\u6837\u53ef\u4ee5\u5b8c\u7f8e\u62c5\u4efb\u65f6\u95f4\u670d\u52a1\u5668\u7684\u89d2\u8272\u3002\u5176allow\/deny\u914d\u7f6e\u7b80\u5355\u660e\u4e86&#xff0c;\u4e14\u4f5c\u4e3a\u670d\u52a1\u5668\u65f6&#xff0c;\u5176\u54cd\u5e94\u901f\u5ea6\u548c\u5ba2\u6237\u7aef\u7ba1\u7406&#xff08;\u901a\u8fc7chronyc&#xff09;\u7684\u4f53\u9a8c\u975e\u5e38\u4e0d\u9519\u3002<\/li>\n<\/ul>\n<p>\u4e24\u8005\u5728\u4f5c\u4e3a\u670d\u52a1\u5668\u65f6\u7684\u4e00\u4e2a\u5c0f\u533a\u522b\u662f&#xff0c;NTPd\u7684ntpq\u5de5\u5177\u5728\u67e5\u8be2\u5bf9\u7b49\u4f53\u72b6\u6001\u65f6\u4fe1\u606f\u5c55\u793a\u975e\u5e38\u8be6\u5c3d&#xff0c;\u9002\u5408\u6df1\u5ea6\u8c03\u8bd5&#xff1b;\u800cChrony\u7684chronyc\u547d\u4ee4\u8f93\u51fa\u5bf9\u7528\u6237\u66f4\u53cb\u597d\u3002<\/p>\n<h4>4.3 \u6545\u969c\u6392\u67e5\u547d\u4ee4\u5bf9\u6bd4<\/h4>\n<p>\u5f53\u65f6\u95f4\u51fa\u73b0\u95ee\u9898\u65f6&#xff0c;\u5feb\u901f\u8bca\u65ad\u7684\u547d\u4ee4\u96c6\u662f\u4f60\u7684\u6551\u547d\u7a3b\u8349\u3002<\/p>\n<p>NTPd \u8bca\u65ad\u5de5\u5177\u7bb1&#xff1a;<\/p>\n<p># \u67e5\u770b\u4e0e\u4e0a\u6e38\u670d\u52a1\u5668\u7684\u5173\u8054\u72b6\u6001<br \/>\nntpq -pn<\/p>\n<p># \u8f93\u51fa\u89e3\u91ca&#xff1a;<br \/>\n# remote&#xff1a;\u4e0a\u6e38\u670d\u52a1\u5668\u5730\u5740&#xff0c;*\u8868\u793a\u5f53\u524d\u4f18\u9009\u6e90&#xff0c;&#043;\u8868\u793a\u826f\u597d\u5907\u7528\u6e90<br \/>\n# refid&#xff1a;\u8be5\u670d\u52a1\u5668\u81ea\u8eab\u540c\u6b65\u7684\u6e90<br \/>\n# st&#xff1a;\u5c42\u7ea7&#xff08;Stratum&#xff09;<br \/>\n# t&#xff1a;\u7c7b\u578b&#xff08;u&#061;\u5355\u64ad&#xff0c; b&#061;\u5e7f\u64ad&#xff09;<br \/>\n# when&#xff1a;\u4e0a\u6b21\u8f6e\u8be2\u8fc7\u53bb\u591a\u5c11\u79d2<br \/>\n# poll&#xff1a;\u8f6e\u8be2\u95f4\u9694&#xff08;\u79d2&#xff09;<br \/>\n# reach&#xff1a;\u53ef\u8fbe\u6027\u63a9\u7801&#xff08;\u516b\u8fdb\u5236&#xff0c;377\u8868\u793a\u6700\u8fd18\u6b21\u67e5\u8be2\u5168\u90e8\u6210\u529f&#xff09;<br \/>\n# delay&#xff1a;\u7f51\u7edc\u5ef6\u8fdf&#xff08;\u6beb\u79d2&#xff09;<br \/>\n# offset&#xff1a;\u65f6\u95f4\u504f\u79fb&#xff08;\u6beb\u79d2&#xff09;<br \/>\n# jitter&#xff1a;\u504f\u79fb\u6296\u52a8&#xff08;\u6beb\u79d2&#xff09;<\/p>\n<p># \u67e5\u770b\u7cfb\u7edf\u65f6\u949f\u540c\u6b65\u72b6\u6001<br \/>\nntpstat<\/p>\n<p># \u624b\u52a8\u5f3a\u5236\u540c\u6b65&#xff08;\u614e\u7528&#xff0c;\u53ef\u80fd\u5f15\u8d77\u6b65\u8fdb&#xff09;<br \/>\nntpdate -u &lt;ntp_server&gt;<\/p>\n<p>Chrony \u8bca\u65ad\u5de5\u5177\u7bb1&#xff1a;<\/p>\n<p># \u67e5\u770b\u5f53\u524d\u540c\u6b65\u72b6\u6001&#xff08;\u6700\u5e38\u7528&#xff09;<br \/>\nchronyc tracking<\/p>\n<p># \u8f93\u51fa\u89e3\u91ca&#xff1a;<br \/>\n# Reference ID&#xff1a;\u5f53\u524d\u540c\u6b65\u7684\u6e90ID<br \/>\n# Stratum&#xff1a;\u5c42\u7ea7<br \/>\n# Ref time (UTC)&#xff1a;\u4e0a\u6b21\u5904\u7406\u66f4\u65b0\u65f6\u95f4<br \/>\n# System time&#xff1a;\u7cfb\u7edf\u65f6\u949f\u4e0e\u6e90\u65f6\u949f\u7684\u504f\u5dee<br \/>\n# Last offset&#xff1a;\u4e0a\u6b21\u6d4b\u91cf\u7684\u504f\u79fb<br \/>\n# RMS offset&#xff1a;\u504f\u79fb\u7684\u957f\u671f\u5e73\u5747\u503c<br \/>\n# Frequency&#xff1a;\u7cfb\u7edf\u65f6\u949f\u7684\u9891\u7387\u504f\u5dee&#xff08;ppm&#xff09;<br \/>\n# Skew&#xff1a;\u9891\u7387\u4f30\u8ba1\u8bef\u5dee<br \/>\n# Root delay&#xff1a;\u5230\u6839\u65f6\u95f4\u6e90\u7684\u603b\u5ef6\u8fdf<br \/>\n# Root dispersion&#xff1a;\u5230\u6839\u65f6\u95f4\u6e90\u7684\u603b\u79bb\u6563<\/p>\n<p># \u67e5\u770b\u6240\u6709\u914d\u7f6e\u7684\u65f6\u95f4\u6e90\u72b6\u6001<br \/>\nchronyc sources -v<\/p>\n<p># \u624b\u52a8\u89e6\u53d1\u6b65\u8fdb\u540c\u6b65&#xff08;\u5f53\u504f\u79fb\u5f88\u5927\u65f6&#xff09;<br \/>\nchronyc makestep<\/p>\n<p># \u68c0\u67e5NTP\u6e90\u662f\u5426\u53ef\u8bbf\u95ee<br \/>\nchronyc ntpdata &lt;server_address&gt;<\/p>\n<p>\u4ece\u8fd0\u7ef4\u4f53\u9a8c\u4e0a\u770b&#xff0c;chronyc tracking\u7684\u8f93\u51fa\u4fe1\u606f\u9ad8\u5ea6\u96c6\u6210&#xff0c;\u4e00\u773c\u5c31\u80fd\u770b\u51fa\u7cfb\u7edf\u65f6\u949f\u7684\u5065\u5eb7\u72b6\u51b5&#xff1b;\u800cntpq -pn\u63d0\u4f9b\u4e86\u66f4\u5e95\u5c42\u3001\u66f4\u4e30\u5bcc\u7684\u7f51\u7edc\u5bf9\u7b49\u4f53\u4fe1\u606f&#xff0c;\u9002\u5408\u7f51\u7edc\u5c42\u9762\u7684\u95ee\u9898\u6392\u67e5\u3002<\/p>\n<h3>5. \u6700\u7ec8\u9009\u578b\u51b3\u7b56\u77e9\u9635&#xff1a;\u6839\u636e\u4f60\u7684\u573a\u666f\u9009\u62e9<\/h3>\n<p>\u7ecf\u8fc7\u4ee5\u4e0a\u5168\u65b9\u4f4d\u7684\u5bf9\u6bd4&#xff0c;\u6211\u4eec\u53ef\u4ee5\u5f97\u51fa\u4e00\u4e2a\u6e05\u6670\u7684\u3001\u57fa\u4e8e\u573a\u666f\u7684\u9009\u578b\u6307\u5357\u3002\u8bf7\u6839\u636e\u4f60\u7684\u5b9e\u9645\u73af\u5883\u5bf9\u53f7\u5165\u5ea7\u3002<\/p>\n<p>\u6beb\u4e0d\u72b9\u8c6b\u9009\u62e9 Chrony&#xff0c;\u5982\u679c&#xff1a;<\/p>\n<ul>\n<li>\u4f60\u7684\u670d\u52a1\u5668\u4e3b\u8981\u90e8\u7f72\u5728\u516c\u6709\u4e91\u6216\u865a\u62df\u5316\u73af\u5883&#xff08;AWS, Azure, GCP, VMware\u7b49&#xff09;\u3002<\/li>\n<li>\u670d\u52a1\u5668\u7ecf\u5e38\u6279\u91cf\u521b\u5efa\u3001\u9500\u6bc1\u6216\u8fc1\u79fb&#xff0c;\u9700\u8981\u6781\u5feb\u7684\u521d\u59cb\u65f6\u95f4\u540c\u6b65\u3002<\/li>\n<li>\u4f60\u7684\u7f51\u7edc\u73af\u5883\u8d28\u91cf\u4e00\u822c&#xff0c;\u5b58\u5728\u5076\u53d1\u7684\u5ef6\u8fdf\u6216\u4e22\u5305\u3002<\/li>\n<li>\u4f60\u5e0c\u671b\u7b80\u5316\u914d\u7f6e\u548c\u7ba1\u7406&#xff0c;\u964d\u4f4e\u8fd0\u7ef4\u5fc3\u667a\u8d1f\u62c5\u3002<\/li>\n<li>\u4f60\u8fd0\u884c\u7684\u662fCentOS 7\/RHEL 7\u6216\u66f4\u65b0\u7248\u672c&#xff08;\u8fd9\u4e9b\u7cfb\u7edf\u5df2\u5c06\u5176\u4f5c\u4e3a\u9ed8\u8ba4\u9009\u9879&#xff09;\u3002<\/li>\n<\/ul>\n<p>\u8003\u8651\u575a\u6301\u4f7f\u7528 NTPd&#xff0c;\u5982\u679c&#xff1a;<\/p>\n<ul>\n<li>\u4f60\u7ba1\u7406\u7684\u662f\u4e00\u4e2a\u4f20\u7edf\u3001\u7a33\u5b9a\u7684\u7269\u7406\u670d\u52a1\u5668\u6570\u636e\u4e2d\u5fc3&#xff0c;\u7f51\u7edc\u67b6\u6784\u6210\u719f\u3002<\/li>\n<li>\u4f60\u9700\u8981\u4e0e\u4e00\u4e9b\u53ea\u517c\u5bb9\u4f20\u7edfNTPd\u534f\u8bae\u6216\u914d\u7f6e\u7684\u65e7\u8bbe\u5907\u6216\u7cfb\u7edf\u4ea4\u4e92\u3002<\/li>\n<li>\u4f60\u5bf9\u65f6\u95f4\u540c\u6b65\u6709\u6781\u81f4\u7684\u3001\u53ef\u9a8c\u8bc1\u7684\u7cbe\u5ea6\u8981\u6c42&#xff0c;\u5e76\u4e14\u56e2\u961f\u5bf9NTPd\u7684\u590d\u6742\u8c03\u4f18\u6709\u6df1\u539a\u7ecf\u9a8c\u3002<\/li>\n<li>\u4f60\u6240\u5728\u7684\u7ec4\u7ec7\u6709\u4e25\u683c\u7684\u5386\u53f2\u914d\u7f6e\u89c4\u8303&#xff0c;\u5168\u90e8\u57fa\u4e8eNTPd\u6784\u5efa\u4e86\u76d1\u63a7\u548c\u5ba1\u8ba1\u4f53\u7cfb\u3002<\/li>\n<\/ul>\n<p>\u4e00\u4e2a\u6298\u4e2d\u7684\u5efa\u8bae&#xff1a;\u5bf9\u4e8e\u5168\u65b0\u7684\u9879\u76ee\u6216\u5927\u90e8\u5206\u73b0\u4ee3\u57fa\u7840\u8bbe\u65bd&#xff0c;\u4eceChrony\u5f00\u59cb\u662f\u4e00\u4e2a\u98ce\u9669\u66f4\u4f4e\u3001\u6536\u76ca\u66f4\u9ad8\u7684\u9009\u62e9\u3002\u5b83\u7684\u5b66\u4e60\u66f2\u7ebf\u66f4\u5e73\u7f13&#xff0c;\u5728\u7edd\u5927\u591a\u6570\u573a\u666f\u4e0b\u8868\u73b0\u4f18\u5f02&#xff0c;\u5e76\u4e14\u662f\u4e3b\u6d41Linux\u53d1\u884c\u7248\u7684\u73b0\u65f6\u63a8\u8350\u3002\u53ea\u6709\u5728\u9047\u5230Chrony\u65e0\u6cd5\u89e3\u51b3\u7684\u3001\u975e\u5e38\u7279\u5b9a\u7684\u95ee\u9898\u65f6&#xff0c;\u624d\u9700\u8981\u8003\u8651\u6362\u56deNTPd\u5e76\u8fdb\u884c\u6df1\u5ea6\u8c03\u4f18\u3002<\/p>\n<p>\u65f6\u95f4\u540c\u6b65\u662f\u57fa\u7840\u8bbe\u65bd\u7684\u201c\u9759\u9ed8\u57fa\u77f3\u201d\u3002\u9009\u62e9Chrony\u8fd8\u662fNTPd&#xff0c;\u6ca1\u6709\u7edd\u5bf9\u7684\u4f18\u52a3&#xff0c;\u53ea\u6709\u662f\u5426\u9002\u5408\u3002\u7406\u89e3\u5b83\u4eec\u7684\u8bbe\u8ba1\u5dee\u5f02&#xff0c;\u7ed3\u5408\u4f60\u7684\u7f51\u7edc\u7279\u8d28\u3001\u670d\u52a1\u5668\u5f62\u6001\u548c\u8fd0\u7ef4\u4e60\u60ef&#xff0c;\u4f60\u5c31\u80fd\u4e3a\u4f60\u7684\u7cfb\u7edf\u9009\u62e9\u4e00\u4e2a\u53ef\u9760\u7684\u65f6\u95f4\u5b88\u62a4\u8005&#xff0c;\u786e\u4fdd\u65e5\u5fd7\u4e2d\u7684\u6bcf\u4e00\u79d2\u90fd\u8e0f\u51c6\u8282\u594f&#xff0c;\u4e3a\u4e0a\u5c42\u5e94\u7528\u7684\u7a33\u5b9a\u8fd0\u884c\u5960\u5b9a\u575a\u5b9e\u57fa\u7840\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>CentOS 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