{"id":36217,"date":"2025-05-08T09:10:44","date_gmt":"2025-05-08T01:10:44","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/36217.html"},"modified":"2025-05-08T09:10:44","modified_gmt":"2025-05-08T01:10:44","slug":"linux%e4%b8%ad%e6%9c%8d%e5%8a%a1%e5%99%a8%e6%97%b6%e9%97%b4%e5%90%8c%e6%ad%a5","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/36217.html","title":{"rendered":"Linux\u4e2d\u670d\u52a1\u5668\u65f6\u95f4\u540c\u6b65"},"content":{"rendered":"

\u7b80\u5355\u4ecb\u7ecd<\/h3>\n

\u5728 redhat 8 \u4e4b\u524d，\u65f6\u95f4\u540c\u6b65\u670d\u52a1\u662f\u4f7f\u7528 NTP（\u7f51\u7edc\u65f6\u95f4\u534f\u8bae）\u6765\u5b9e\u73b0\u7684，\u5728 redhat 8 \u53ca\u4e4b <\/span> <\/p>\n

\u540e\u4f7f\u7528\u662f NTP \u7684\u5b9e\u73b0\u5de5\u5177 chrony \u6765\u5b9e\u73b0\u65f6\u95f4\u540c\u6b65\u3002 <\/span> <\/p>\n

\u5728 redhat 8 \u53ca\u4e4b\u540e，\u9ed8\u8ba4\u60c5\u51b5\u4e0b\u5df2\u7ecf\u5b89\u88c5\u597d chrony \u8f6f\u4ef6\u5e76\u5df2\u7ecf\u5f00\u673a\u542f\u52a8 chronyd \u670d\u52a1\u3002\u6211 <\/span> <\/p>\n

\u4eec\u53ef\u4ee5\u4f7f\u7528 chronyc \u547d\u4ee4\u6765\u4e34\u65f6\u4fee\u6539\u65f6\u95f4\u540c\u6b65，\u4f46\u66f4\u5efa\u8bae\u53bb\u4fee\u6539 \/etc\/chony.conf \u914d\u7f6e\u6587\u4ef6 <\/span> <\/p>\n

\u6765\u5b9e\u73b0\u6301\u4e45\u5316\u7684\u4fee\u6539\u3002<\/span> <\/p>\n

[root@nfs share]# rpm -ql chrony | grep chrony
\n\/etc\/chrony.conf # \u6838\u5fc3\u914d\u7f6e\u6587\u4ef6
\n\/etc\/chrony.keys
\n\/etc\/dhcp\/dhclient.d\/chrony.sh
\n\/etc\/logrotate.d\/chrony
\n\/etc\/sysconfig\/chronyd # chrony\u7684\u5b88\u62a4\u8fdb\u7a0b\u914d\u7f6e\u6587\u4ef6
\n\/usr\/bin\/chronyc # chrony\u7684\u5ba2\u6237\u7aef
\n\/usr\/lib\/NetworkManager\/dispatcher.d\/20-chrony-dhcp
\n\/usr\/lib\/NetworkManager\/dispatcher.d\/20-chrony-onoffline
\n\/usr\/lib\/systemd\/ntp-units.d\/50-chronyd.list
\n\/usr\/lib\/systemd\/system\/chrony-wait.service
\n\u68c0\u67e5\u540c\u6b65
\n\/usr\/lib\/systemd\/system\/chronyd-restricted.service
\n\/usr\/lib\/systemd\/system\/chronyd.service # \u7528\u6237\u7ba1\u7406chrony\u7684\u670d\u52a1
\n\/usr\/lib\/sysusers.d\/chrony.conf
\n\/usr\/sbin\/chronyd # chrony\u7684\u5b88\u62a4\u8fdb\u7a0b\u6267\u884c\u6587\u4ef6
\n\/usr\/share\/doc\/chrony
\n\/usr\/share\/doc\/chrony\/FAQ
\n\/usr\/share\/doc\/chrony\/NEWS
\n\/usr\/share\/doc\/chrony\/README
\n\/usr\/share\/licenses\/chrony
\n\/usr\/share\/licenses\/chrony\/COPYING
\n\/usr\/share\/man\/man1\/chronyc.1.gz
\n\/usr\/share\/man\/man5\/chrony.conf.5.gz
\n\/usr\/share\/man\/man8\/chronyd.8.gz
\n\/var\/lib\/chrony
\n\/var\/lib\/chrony\/drift
\n\/var\/lib\/chrony\/rtc
\n\/var\/log\/chrony # \u65e5\u5fd7\u6587\u4ef6 <\/p>\n

\u68c0\u67e5\u540c\u6b65<\/span><\/h3>\n

[root@nfs share]# chronyc tracking
\nReference ID : A29FC801 (162.159.200.1)
\nStratum : 4
\nRef time (UTC) : Sat Apr 19 11:39:03 2025
\nSystem time : 0.000000116 seconds slow of NTP time
\nLast offset : -0.001120899 seconds
\nRMS offset : 0.017774450 seconds
\nFrequency : 38.105 ppm fast
\nResidual freq : -0.045 ppm
\nSkew : 45.345 ppm
\nRoot delay : 0.214364186 seconds
\nRoot dispersion : 0.265033543 seconds
\nUpdate interval : 65.2 seconds
\nLeap status : Normal <\/p>\n

\u8be6\u7ec6\u4ecb\u7ecd<\/p>\n

chronyc tracking \u547d\u4ee4\u7528\u4e8e\u67e5\u770b chrony \u5f53\u524d\u7684\u65f6\u949f\u540c\u6b65\u72b6\u6001，\u4ee5\u4e0b\u662f\u5bf9\u8f93\u51fa\u4e2d\u5404\u5b57\u6bb5\u7684\u8be6\u7ec6\u89e3\u91ca：<\/p>\n

Reference ID：\u503c\u4e3a A29FC801 (162.159.200.1) ，\u6307\u7684\u662f\u5f53\u524d\u7cfb\u7edf\u6b63\u5728\u4e0e\u4e4b\u540c\u6b65\u7684\u8fdc\u7a0b NTP \u670d\u52a1\u5668\u7684 IP \u5730\u5740（\u62ec\u53f7\u5185\u5185\u5bb9） ，\u5341\u516d\u8fdb\u5236\u5f62\u5f0f A29FC801 \u4e5f\u662f\u8be5\u670d\u52a1\u5668\u5730\u5740\u7684\u53e6\u4e00\u79cd\u8868\u793a\u65b9\u5f0f\u3002\u5b83\u8868\u660e\u4e86\u5f53\u524d\u7cfb\u7edf\u83b7\u53d6\u65f6\u95f4\u540c\u6b65\u7684\u6765\u6e90\u670d\u52a1\u5668\u3002<\/p>\n

Stratum：\u503c\u4e3a 4 ，\u8868\u793a\u5f53\u524d\u7cfb\u7edf\u65f6\u949f\u5728 NTP \u5c42\u6b21\u7ed3\u6784\u4e2d\u7684\u7ea7\u522b\u3002Stratum 1 \u670d\u52a1\u5668\u76f4\u63a5\u4e0e\u539f\u5b50\u949f\u6216 GPS \u65f6\u949f\u7b49\u9ad8\u7cbe\u5ea6\u7684\u65f6\u95f4\u6e90\u540c\u6b65；Stratum 2 \u670d\u52a1\u5668\u4e0e Stratum 1 \u670d\u52a1\u5668\u540c\u6b65，\u4f9d\u6b64\u7c7b\u63a8\u3002\u8fd9\u91cc\u7cfb\u7edf\u65f6\u949f\u7684 Stratum \u4e3a 4 ，\u610f\u5473\u7740\u5b83\u662f\u7ecf\u8fc7\u591a\u5c42\u540c\u6b65\u540e\u4e0e\u67d0\u4e2a Stratum \u8f83\u4f4e\u7684\u670d\u52a1\u5668\u5b8c\u6210\u540c\u6b65，\u6570\u5b57\u8d8a\u5c0f\u8bf4\u660e\u8d8a\u63a5\u8fd1 NTP \u670d\u52a1\u5668，\u65f6\u95f4\u540c\u6b65\u7684\u7cbe\u5ea6\u7406\u8bba\u4e0a\u76f8\u5bf9\u8d8a\u9ad8\u3002<\/p>\n

Ref time (UTC)：\u503c\u4e3a Sat Apr 19 11:39:03 2025 ，\u6307\u7684\u662f\u4e0a\u4e00\u6b21\u4ece\u8fdc\u7a0b NTP \u670d\u52a1\u5668\u63a5\u6536\u5230\u65f6\u95f4\u66f4\u65b0\u7684\u65f6\u95f4，\u91c7\u7528\u4e16\u754c\u534f\u8c03\u65f6（UTC）\u8868\u793a\u3002\u8fd9\u4e00\u65f6\u95f4\u8bb0\u5f55\u4e86\u6700\u8fd1\u4e00\u6b21\u7cfb\u7edf\u4ece NTP \u670d\u52a1\u5668\u83b7\u53d6\u51c6\u786e\u65f6\u95f4\u7684\u65f6\u523b\u3002
\nSystem time：\u503c\u4e3a 0.000000116 seconds slow of NTP time ，\u8868\u793a\u5f53\u524d\u7cfb\u7edf\u65f6\u95f4\u4e0e NTP \u670d\u52a1\u5668\u65f6\u95f4\u7684\u5dee\u5f02\u3002\u8fd9\u91cc\u8868\u660e\u7cfb\u7edf\u65f6\u95f4\u6bd4 NTP \u65f6\u95f4\u6162\u4e86 0.000000116 \u79d2 \u3002\u5982\u679c\u663e\u793a\u4e3a \u201cfast\u201d ，\u5219\u8868\u793a\u7cfb\u7edf\u65f6\u95f4\u6bd4 NTP \u65f6\u949f\u5feb\u3002<\/p>\n

Last offset：\u503c\u4e3a -0.001120899 seconds ，\u6307\u7684\u662f\u4e0a\u4e00\u6b21\u65f6\u95f4\u540c\u6b65\u65f6，\u7cfb\u7edf\u65f6\u95f4\u4e0e NTP \u670d\u52a1\u5668\u65f6\u95f4\u7684\u504f\u79fb\u91cf\u3002\u8d1f\u6570\u8868\u793a\u4e0a\u4e00\u6b21\u540c\u6b65\u65f6\u7cfb\u7edf\u65f6\u95f4\u6bd4 NTP \u65f6\u95f4\u5feb\u4e86\u76f8\u5e94\u7684\u79d2\u6570，\u6b63\u6570\u5219\u8868\u793a\u7cfb\u7edf\u65f6\u95f4\u6bd4 NTP \u65f6\u95f4\u6162\u4e86\u76f8\u5e94\u7684\u79d2\u6570\u3002<\/p>\n

RMS offset：\u503c\u4e3a 0.017774450 seconds ，\u5373\u65f6\u95f4\u504f\u79fb\u91cf\u7684\u5747\u65b9\u6839，\u662f\u4e00\u4e2a\u8861\u91cf\u65f6\u95f4\u540c\u6b65\u7cbe\u5ea6\u7684\u6307\u6807\u3002\u5b83\u53cd\u6620\u4e86\u5728\u6700\u8fd1\u4e00\u6bb5\u65f6\u95f4\u5185，\u7cfb\u7edf\u65f6\u95f4\u4e0e NTP \u670d\u52a1\u5668\u65f6\u95f4\u4e4b\u95f4\u504f\u5dee\u7684\u5e73\u5747\u6c34\u5e73，\u6570\u503c\u8d8a\u5c0f\u8bf4\u660e\u65f6\u95f4\u540c\u6b65\u7684\u7cbe\u5ea6\u8d8a\u9ad8\u3002<\/p>\n

Frequency：\u503c\u4e3a 38.105 ppm fast ，\u8868\u793a\u672c\u5730\u7cfb\u7edf\u65f6\u949f\u7684\u9891\u7387\u8bef\u5dee\u3002\u201cppm\u201d \u662f \u201cparts per million\u201d \u7684\u7f29\u5199，\u610f\u4e3a\u6bcf\u767e\u4e07\u90e8\u5206\u3002\u8fd9\u91cc\u8868\u793a\u7cfb\u7edf\u65f6\u949f\u7684\u901f\u5ea6\u76f8\u5bf9\u4e8e\u5b8c\u7f8e\u7684\u65f6\u95f4\u6e90，\u6bcf\u767e\u4e07\u79d2\u4f1a\u5feb 38.105 \u79d2 ，\u5373\u7cfb\u7edf\u65f6\u949f\u8fd0\u884c\u5f97\u6bd4\u7406\u60f3\u4e2d\u7684\u5b8c\u7f8e\u65f6\u949f\u8981\u5feb\u3002\u5982\u679c\u663e\u793a\u4e3a \u201cslow\u201d ，\u5219\u8868\u793a\u7cfb\u7edf\u65f6\u949f\u6bd4\u5b8c\u7f8e\u65f6\u949f\u6162\u3002<\/p>\n

Residual freq：\u503c\u4e3a -0.045 ppm ，\u6307\u7684\u662f\u5728\u6700\u540e\u4e00\u6b21\u540c\u6b65\u4e4b\u540e，\u5df2\u7ecf\u89c2\u5bdf\u5230\u7684\u672c\u5730\u65f6\u949f\u9891\u7387\u7684\u6539\u53d8\u3002\u5b83\u53cd\u6620\u4e86\u65f6\u949f\u9891\u7387\u5728\u4e00\u6bb5\u65f6\u95f4\u5185\u7684\u53d8\u5316\u8d8b\u52bf，\u8fd9\u91cc\u8d1f\u53f7\u8868\u793a\u9891\u7387\u6709\u964d\u4f4e\u7684\u8d8b\u52bf\u3002<\/p>\n

Skew：\u503c\u4e3a 45.345 ppm ，\u8868\u793a\u672c\u5730\u65f6\u949f\u9891\u7387\u4f30\u8ba1\u7684\u4e0d\u786e\u5b9a\u6027，\u5373\u7cfb\u7edf\u65f6\u949f\u9891\u7387\u7684\u7a33\u5b9a\u6027\u3002\u8be5\u503c\u8d8a\u5927，\u8bf4\u660e\u65f6\u949f\u9891\u7387\u7684\u7a33\u5b9a\u6027\u8d8a\u5dee，\u4e5f\u5c31\u662f\u7cfb\u7edf\u65f6\u949f\u7684\u51c6\u786e\u6027\u53ef\u80fd\u4f1a\u53d7\u5230\u4e00\u5b9a\u5f71\u54cd\u3002<\/p>\n

Root delay：\u503c\u4e3a 0.214364186 seconds ，\u6307\u7684\u662f\u4ece\u672c\u5730\u7cfb\u7edf\u5230 NTP \u670d\u52a1\u5668\u7684\u5f80\u8fd4\u65f6\u95f4\u5ef6\u8fdf\u3002\u5b83\u53cd\u6620\u4e86\u7f51\u7edc\u4f20\u8f93\u7b49\u56e0\u7d20\u5bf9\u65f6\u95f4\u540c\u6b65\u7684\u5f71\u54cd，\u6570\u503c\u8d8a\u5c0f\u8bf4\u660e\u672c\u5730\u7cfb\u7edf\u4e0e NTP \u670d\u52a1\u5668\u4e4b\u95f4\u7684\u901a\u4fe1\u5ef6\u8fdf\u8d8a\u4f4e\u3002<\/p>\n

Root dispersion：\u503c\u4e3a 0.265033543 seconds ，\u8868\u793a\u672c\u5730\u65f6\u949f\u548c NTP \u670d\u52a1\u5668\u65f6\u949f\u4e4b\u95f4\u7684\u6700\u5927\u53ef\u80fd\u8bef\u5dee\u3002\u5b83\u7efc\u5408\u8003\u8651\u4e86\u5404\u79cd\u56e0\u7d20\u5bfc\u81f4\u7684\u65f6\u95f4\u504f\u5dee，\u53cd\u6620\u4e86\u65f6\u95f4\u540c\u6b65\u7684\u6700\u5927\u4e0d\u786e\u5b9a\u8303\u56f4\u3002<\/p>\n

Update interval：\u503c\u4e3a 65.2 seconds ，\u6307\u7684\u662f\u7cfb\u7edf\u65f6\u949f\u4e0e NTP \u670d\u52a1\u5668\u65f6\u949f\u4e4b\u95f4\u8fdb\u884c\u8fde\u7eed\u4e24\u6b21\u540c\u6b65\u66f4\u65b0\u7684\u65f6\u95f4\u95f4\u9694\u3002\u8be5\u65f6\u95f4\u95f4\u9694\u7684\u8bbe\u7f6e\u4f1a\u5f71\u54cd\u7cfb\u7edf\u65f6\u95f4\u4e0e NTP \u65f6\u95f4\u4fdd\u6301\u540c\u6b65\u7684\u53ca\u65f6\u6027\u548c\u7a33\u5b9a\u6027\u3002<\/p>\n

Leap status：\u503c\u4e3a Normal ，\u8868\u793a NTP \u670d\u52a1\u5668\u7684\u95f0\u79d2\u72b6\u6001\u3002\u201cNormal\u201d \u8bf4\u660e\u5f53\u524d\u4e0d\u5904\u4e8e\u95f0\u79d2\u8c03\u6574\u671f\u95f4；\u5982\u679c\u51fa\u73b0 \u201cInsert second\u201d ，\u5219\u8868\u793a\u9700\u8981\u63d2\u5165\u95f0\u79d2（\u5373\u589e\u52a0\u4e00\u79d2）\u6765\u4fdd\u6301\u65f6\u95f4\u7684\u51c6\u786e\u6027；\u201cDelete second\u201d \u5219\u8868\u793a\u9700\u8981\u5220\u9664\u95f0\u79d2（\u5373\u51cf\u5c11\u4e00\u79d2） \u3002\u95f0\u79d2\u8c03\u6574\u662f\u4e3a\u4e86\u534f\u8c03\u539f\u5b50\u65f6\u4e0e\u4e16\u754c\u65f6\u4e4b\u95f4\u7684\u5dee\u5f02\u3002<\/p>\n

\u603b\u4f53\u800c\u8a00，\u5982\u679c\u7cfb\u7edf\u65f6\u95f4\u4e0e NTP \u65f6\u95f4\u7684\u5dee\u5f02\u63a5\u8fd1\u4e8e 0 ，\u5e76\u4e14 \u201cLeap status\u201d \u663e\u793a\u4e3a \u201cNormal\u201d ，\u901a\u5e38\u53ef\u4ee5\u8ba4\u4e3a\u65f6\u95f4\u540c\u6b65\u72b6\u6001\u662f\u6b63\u5e38\u7684\u3002\u4f46\u8fd8\u9700\u8981\u7ed3\u5408\u5176\u4ed6\u6307\u6807，\u5982 RMS offset\u3001Frequency \u7b49\u6765\u7efc\u5408\u5224\u65ad\u65f6\u95f4\u540c\u6b65\u7684\u8d28\u91cf\u548c\u7a33\u5b9a\u6027\u3002 <\/p>\n

\u67e5\u770b\u5f53\u524d\u65f6\u95f4\u7684\u540c\u6b65\u6e90<\/span><\/h3>\n

[root@nginx ~]# chronyc sources
\nMS Name\/IP address Stratum Poll Reach LastRx Last sample
\n===============================================================================
\n^- ntp.wdc2.us.leaseweb.net 3 8 317 77 -2185us[-2185us] +\/- 164ms
\n^- time.cloudflare.com 3 8 377 75 +37ms[ +37ms] +\/- 158ms
\n^* time.neu.edu.cn 2 8 377 146 -6428us[-7654us] +\/- 35ms
\n^- ntp6.flashdance.cx 2 8 377 205 -1828us[-3013us] +\/- 136ms<\/p>\n

\u8be6\u7ec6\u89e3\u91ca：
\nchronyc sources\u547d\u4ee4\u7528\u4e8e\u663e\u793a\u4e0e\u672c\u5730\u7cfb\u7edf\u8fde\u63a5\u7684 NTP（\u7f51\u7edc\u65f6\u95f4\u534f\u8bae）\u6e90\u7684\u76f8\u5173\u4fe1\u606f\u3002\u5b83\u63d0\u4f9b\u4e86\u4ee5\u4e0b\u6709\u7528\u7684\u4fe1\u606f：
\nNTP \u670d\u52a1\u5668\u5217\u8868：\u663e\u793a\u4e86\u5f53\u524d\u7cfb\u7edf\u6b63\u5728\u4f7f\u7528\u7684 NTP \u670d\u52a1\u5668\u7684\u540d\u79f0\u6216 IP \u5730\u5740，\u5982ntp.wdc2.us.leaseweb.net\u3001time.cloudflare.com\u3001time.neu.edu.cn\u548cntp6.flashdance.cx\u3002\u8fd9\u6709\u52a9\u4e8e\u786e\u8ba4\u7cfb\u7edf\u4ece\u54ea\u4e9b\u670d\u52a1\u5668\u83b7\u53d6\u65f6\u95f4\u540c\u6b65\u3002
\nStratum（\u5c42\u7ea7）：\u8868\u793a\u6bcf\u4e2a NTP \u670d\u52a1\u5668\u5728 NTP \u5c42\u6b21\u7ed3\u6784\u4e2d\u7684\u7ea7\u522b\u3002\u8f83\u4f4e\u7684 Stratum \u503c\u901a\u5e38\u610f\u5473\u7740\u66f4\u63a5\u8fd1\u6743\u5a01\u65f6\u95f4\u6e90，\u65f6\u95f4\u540c\u6b65\u7684\u7cbe\u5ea6\u53ef\u80fd\u66f4\u9ad8\u3002\u4f8b\u5982，time.neu.edu.cn\u548cntp6.flashdance.cx\u7684 Stratum \u4e3a 2，\u76f8\u5bf9\u66f4\u63a5\u8fd1\u65f6\u95f4\u6e90，\u800cntp.wdc2.us.leaseweb.net\u548ctime.cloudflare.com\u7684 Stratum \u4e3a 3\u3002
\nPoll（\u8f6e\u8be2\u95f4\u9694）：\u663e\u793a\u4e86\u7cfb\u7edf\u4e0e NTP \u670d\u52a1\u5668\u4e4b\u95f4\u7684\u8f6e\u8be2\u95f4\u9694\u3002\u8f6e\u8be2\u95f4\u9694\u51b3\u5b9a\u4e86\u7cfb\u7edf\u591a\u4e45\u5411 NTP \u670d\u52a1\u5668\u8bf7\u6c42\u4e00\u6b21\u65f6\u95f4\u66f4\u65b0\u3002\u8fd9\u91cc\u7684\u8f6e\u8be2\u95f4\u9694\u90fd\u662f 8，\u8bf4\u660e\u7cfb\u7edf\u6309\u7167\u4e00\u5b9a\u7684\u65f6\u95f4\u5468\u671f\u4e0e\u8fd9\u4e9b\u670d\u52a1\u5668\u8fdb\u884c\u65f6\u95f4\u540c\u6b65\u8bf7\u6c42\u3002
\nReach（\u53ef\u8fbe\u6027）：\u8868\u793a\u7cfb\u7edf\u4e0e NTP \u670d\u52a1\u5668\u4e4b\u95f4\u7684\u8fde\u63a5\u72b6\u6001\u3002\u8fd9\u4e2a\u503c\u53cd\u6620\u4e86\u7cfb\u7edf\u6210\u529f\u8fde\u63a5\u5230 NTP \u670d\u52a1\u5668\u7684\u6b21\u6570\u3002\u6570\u503c\u8d8a\u9ad8，\u8868\u793a\u8fde\u63a5\u8d8a\u7a33\u5b9a\u3002\u4f8b\u5982，time.cloudflare.com\u3001time.neu.edu.cn\u548cntp6.flashdance.cx\u7684 Reach \u503c\u90fd\u4e3a 377，\u8bf4\u660e\u4e0e\u8fd9\u4e9b\u670d\u52a1\u5668\u7684\u8fde\u63a5\u8f83\u4e3a\u7a33\u5b9a，\u800cntp.wdc2.us.leaseweb.net\u7684 Reach \u503c\u4e3a 317，\u76f8\u5bf9\u6765\u8bf4\u8fde\u63a5\u7a33\u5b9a\u6027\u7a0d\u5dee\u4e00\u4e9b\u3002
\nLastRx（\u4e0a\u6b21\u63a5\u6536\u65f6\u95f4）：\u663e\u793a\u4e86\u4ece NTP \u670d\u52a1\u5668\u63a5\u6536\u5230\u6700\u540e\u4e00\u6b21\u65f6\u95f4\u66f4\u65b0\u7684\u65f6\u95f4\u95f4\u9694（\u4ee5\u79d2\u4e3a\u5355\u4f4d）\u3002\u8fd9\u4e2a\u4fe1\u606f\u53ef\u4ee5\u5e2e\u52a9\u5224\u65ad\u670d\u52a1\u5668\u7684\u54cd\u5e94\u53ca\u65f6\u6027\u3002\u4f8b\u5982，ntp.wdc2.us.leaseweb.net\u7684 LastRx \u4e3a 77 \u79d2，time.cloudflare.com\u7684 LastRx \u4e3a 75 \u79d2，\u8bf4\u660e\u7cfb\u7edf\u5728\u4e0d\u4e45\u524d\u4ece\u8fd9\u4e9b\u670d\u52a1\u5668\u63a5\u6536\u5230\u4e86\u65f6\u95f4\u66f4\u65b0\u3002
\nLast sample（\u4e0a\u6b21\u6837\u672c）：\u63d0\u4f9b\u4e86\u4e0a\u6b21\u4ece NTP \u670d\u52a1\u5668\u83b7\u53d6\u7684\u65f6\u95f4\u6837\u672c\u4e0e\u672c\u5730\u7cfb\u7edf\u65f6\u95f4\u7684\u5dee\u5f02\u3002\u65b9\u62ec\u53f7\u5185\u7684\u503c\u662f\u5b9e\u9645\u7684\u65f6\u95f4\u504f\u79fb\u91cf，\u800c\u540e\u9762\u7684+\/-\u503c\u8868\u793a\u4f30\u8ba1\u7684\u8bef\u5dee\u8303\u56f4\u3002\u4f8b\u5982，time.neu.edu.cn\u7684\u65f6\u95f4\u504f\u79fb\u91cf\u4e3a-7654us（\u5fae\u79d2），\u8bef\u5dee\u8303\u56f4\u4e3a+\/- 35ms（\u6beb\u79d2），\u8bf4\u660e\u672c\u5730\u7cfb\u7edf\u65f6\u95f4\u6bd4time.neu.edu.cn\u670d\u52a1\u5668\u7684\u65f6\u95f4\u5feb\u4e86\u7ea6 7654 \u5fae\u79d2，\u4e14\u8bef\u5dee\u5728 35 \u6beb\u79d2\u5de6\u53f3\u3002
\n\u901a\u8fc7\u67e5\u770bchronyc sources\u7684\u8f93\u51fa，\u7cfb\u7edf\u7ba1\u7406\u5458\u53ef\u4ee5\u4e86\u89e3\u5f53\u524d\u7cfb\u7edf\u7684\u65f6\u95f4\u540c\u6b65\u6765\u6e90\u3001\u670d\u52a1\u5668\u7684\u72b6\u6001\u4ee5\u53ca\u65f6\u95f4\u540c\u6b65\u7684\u51c6\u786e\u6027\u548c\u7a33\u5b9a\u6027，\u4ee5\u4fbf\u53ca\u65f6\u53d1\u73b0\u548c\u89e3\u51b3\u65f6\u95f4\u540c\u6b65\u65b9\u9762\u7684\u95ee\u9898\u3002 <\/p>\n

\u4e5f\u53ef\u4ee5\u4f7f\u7528 -v \u9009\u9879\u6765\u67e5\u770b\u66f4\u8be6\u7ec6\u7684\u4fe1\u606f<\/span> <\/p>\n

[root@nfs share]# chronyc sources -v
\n.– Source mode '^' = server, '=' = peer, '#' = local clock.
\n\/ .- Source state '*' = current best, '+' = combined, '-' = not
\ncombined,
\n| \/ 'x' = may be in error, '~' = too variable, '?' =
\nunusable.
\n|| .- xxxx [ yyyy ]
\n+\/- zzzz
\n|| Reachability register (octal) -. | xxxx = adjusted
\noffset,
\n|| Log2(Polling interval) –. | | yyyy = measured
\noffset,
\n|| \\\\ | | zzzz = estimated
\nerror.
\n|| | | \\\\
\nMS Name\/IP address Stratum Poll Reach LastRx Last sample
\n======================================================================
\n=========
\n^? 193.182.111.143 2 6 0 96m -22ms[ -22ms]
\n+\/- 150ms
\n^? 162.159.200.1 3 6 0 96m -10ms[ -11ms]
\n+\/- 108ms
\n^? 193.182.111.142 2 6 0 96m +8917us[+8917us]
\n+\/- 113ms
\n^? 193.182.111.12 2 6 0 96m -10ms[ -10ms]
\n+\/- 132ms
\n[root@nfs share]# <\/p>\n

sourcestats \u547d\u4ee4\u663e\u793a\u76ee\u524d\u88ab chronyd \u68c0\u67e5\u7684\u6bcf\u4e2a\u6e90\u7684\u504f\u79fb\u7387\u548c\u8bef\u5dee\u4f30\u7b97\u8fc7\u7a0b\u7684\u4fe1\u606f\u3002<\/p>\n

[root@nginx ~]# chronyc sourcestats
\nName\/IP Address NP NR Span Frequency Freq Skew Offset Std Dev
\n==============================================================================
\nntp.wdc2.us.leaseweb.net 24 15 40m -1.812 7.011 +1676us 6100us
\ntime.cloudflare.com 27 14 40m -2.573 14.953 -1417us 14ms
\ntime.neu.edu.cn 25 18 36m +0.114 5.950 +28us 5104us
\nntp6.flashdance.cx 27 14 42m -3.281 14.473 +5709us 13ms<\/p>\n

[root@nginx ~]# chronyc sourcestats -v
\n .- Number of sample points in measurement set.
\n \/ .- Number of residual runs with same sign.
\n | \/ .- Length of measurement set (time).
\n | | \/ .- Est. clock freq error (ppm).
\n | | | \/ .- Est. error in freq.
\n | | | | \/ .- Est. offset.
\n | | | | | | On the -.
\n | | | | | | samples. \\\\
\n | | | | | | |
\nName\/IP Address NP NR Span Frequency Freq Skew Offset Std Dev
\n==============================================================================
\nntp.wdc2.us.leaseweb.net 24 15 40m -2.014 7.011 +1309us 6100us
\ntime.cloudflare.com 27 14 40m -2.775 14.953 -1827us 14ms
\ntime.neu.edu.cn 26 18 41m +0.046 5.404 +1906ns 5029us
\nntp6.flashdance.cx 27 14 42m -3.483 14.473 +5261us 13ms<\/p>\n

\u914d\u7f6e\u65f6\u95f4\u540c\u6b65\u670d\u52a1*<\/span><\/h3>\n

1\u3001\u7f16\u5199\/etc\/chrony.conf\u6587\u4ef6<\/span><\/h4>\n

[root@nfs share]# vim \/etc\/chrony.conf
\n2 # Please consider joining the pool
\n(https:\/\/www.pool.ntp.org\/join.ht ml).
\n3 server ntp.aliyun.com iburst
\n25 # Allow NTP client access from local network.
\n26 allow 192.168.0.0\/16
\n28 # Serve time even if not synchronized to a time source.
\n29 local stratum 10<\/p>\n

\u7b2c 2 \u884c：\u662f\u4e00\u6761\u6ce8\u91ca，\u63d0\u793a\u7528\u6237\u8003\u8651\u52a0\u5165 NTP \u6c60（https:\/\/www.pool.ntp.org\/join.html），\u8fd9\u91cc\u63d0\u4f9b\u4e86\u52a0\u5165 NTP \u6c60\u7684\u76f8\u5173\u94fe\u63a5\u4fe1\u606f，NTP \u6c60\u662f\u7531\u8bb8\u591a\u5fd7\u613f\u8005\u7ef4\u62a4\u7684 NTP \u670d\u52a1\u5668\u96c6\u5408，\u53ef\u7528\u4e8e\u83b7\u53d6\u51c6\u786e\u7684\u65f6\u95f4\u540c\u6b65\u3002<\/p>\n

\u7b2c 3 \u884c：\u6307\u5b9a\u4e86\u4e00\u4e2a NTP \u670d\u52a1\u5668\u4e3antp.aliyun.com，\u5e76\u4f7f\u7528\u4e86iburst\u9009\u9879\u3002iburst\u7684\u4f5c\u7528\u662f\u5728\u521d\u59cb\u540c\u6b65\u65f6，\u4ee5\u8f83\u5feb\u7684\u901f\u7387\u53d1\u9001 NTP \u8bf7\u6c42，\u4ee5\u4fbf\u66f4\u5feb\u5730\u4e0e\u670d\u52a1\u5668\u8fdb\u884c\u65f6\u95f4\u540c\u6b65\u3002\u8fd9\u884c\u914d\u7f6e\u8868\u793a\u5c06\u963f\u91cc\u4e91\u7684 NTP \u670d\u52a1\u5668ntp.aliyun.com\u4f5c\u4e3a\u65f6\u95f4\u6e90，\u5e76\u4e14\u91c7\u7528iburst\u65b9\u5f0f\u8fdb\u884c\u540c\u6b65\u3002<\/p>\n

\u7b2c 25 – 26 \u884c：\u914d\u7f6e\u4e86\u5141\u8bb8\u4ece\u672c\u5730\u7f51\u7edc192.168.0.0\/16\u4e2d\u7684 NTP \u5ba2\u6237\u7aef\u8bbf\u95ee\u8be5\u670d\u52a1\u5668\u3002192.168.0.0\/16\u662f\u4e00\u4e2a CIDR \u8868\u793a\u6cd5\u7684\u7f51\u7edc\u5730\u5740，\u5b83\u8868\u793a\u4e00\u4e2a\u5305\u542b192.168.0.0\u5230192.168.255.255\u8303\u56f4\u5185\u6240\u6709 IP \u5730\u5740\u7684\u7f51\u7edc\u3002\u8fd9\u610f\u5473\u7740\u5728\u8fd9\u4e2a\u7f51\u7edc\u4e2d\u7684\u8bbe\u5907\u53ef\u4ee5\u5411\u8be5chrony\u670d\u52a1\u5668\u53d1\u8d77 NTP \u8bf7\u6c42\u4ee5\u83b7\u53d6\u65f6\u95f4\u540c\u6b65\u670d\u52a1\u3002<\/p>\n

\u7b2c 28 – 29 \u884c：\u914d\u7f6e\u4e86\u5373\u4f7f\u6ca1\u6709\u4e0e\u65f6\u95f4\u6e90\u540c\u6b65，\u4e5f\u63d0\u4f9b\u65f6\u95f4\u670d\u52a1，\u5e76\u4e14\u5c06\u672c\u5730\u5c42（stratum）\u8bbe\u7f6e\u4e3a 10\u3002\u901a\u5e38，stratum\u7528\u4e8e\u8868\u793a\u8bbe\u5907\u5728 NTP \u5c42\u6b21\u7ed3\u6784\u4e2d\u7684\u4f4d\u7f6e，\u6570\u503c\u8d8a\u5927\u8868\u793a\u79bb\u6743\u5a01\u65f6\u95f4\u6e90\u8d8a\u8fdc\u3002\u8fd9\u91cc\u5c06\u672c\u5730stratum\u8bbe\u7f6e\u4e3a 10，\u8868\u660e\u5373\u4f7f\u5728\u672a\u4e0e\u5916\u90e8\u7cbe\u786e\u65f6\u95f4\u6e90\u540c\u6b65\u7684\u60c5\u51b5\u4e0b，\u8be5\u670d\u52a1\u5668\u4e5f\u53ef\u4ee5\u4e3a\u5176\u4ed6\u8bbe\u5907\u63d0\u4f9b\u76f8\u5bf9\u4e0d\u592a\u7cbe\u786e\u7684\u65f6\u95f4\u670d\u52a1\u3002 <\/p>\n

2\u3001\u91cd\u542fchronyd\u670d\u52a1<\/span><\/h4>\n

[root@nfs share]# systemctl restart chronyd <\/p>\n

3\u3001\u9a8c\u8bc1\u662f\u5426\u540c\u6b65<\/span><\/h4>\n

[root@nginx ~]# chronyc sources -v<\/p>\n

.– Source mode '^' = server, '=' = peer, '#' = local clock.
\n \/ .- Source state '*' = current best, '+' = combined, '-' = not combined,
\n| \/ 'x' = may be in error, '~' = too variable, '?' = unusable.
\n|| .- xxxx [ yyyy ] +\/- zzzz
\n|| Reachability register (octal) -. | xxxx = adjusted offset,
\n|| Log2(Polling interval) –. | | yyyy = measured offset,
\n|| \\\\ | | zzzz = estimated error.
\n|| | | \\\\
\nMS Name\/IP address Stratum Poll Reach LastRx Last sample
\n===============================================================================
\n^* 203.107.6.88 2 6 37 8 -301us[-4829us] +\/- 46ms <\/p>\n

4\u3001\u5176\u4ed6\u670d\u52a1\u540c\u6b65<\/h4>\n

[root@nginx www]# vim \/etc\/chrony.conf
\n# Please consider joining the pool
\n(https:\/\/www.pool.ntp.org\/join.html).
\nserver 192.168.72.133 iburs <\/p>\n

5\u3001\u4f60\u9009\u62e9\u7684\u8fd9\u4e2a\u865a\u62df\u673aip\u9700\u8981\u8fdb\u884c\u4e00\u5b9a\u7684\u914d\u7f6e，\u914d\u7f6e\u4e3antp\u670d\u52a1\u5668<\/h4>\n

vim \/etc\/chrony.conf<\/p>\n

# \u6ce8\u91ca\u6389\u9ed8\u8ba4\u7684\u670d\u52a1\u5668\u914d\u7f6e，\u6dfb\u52a0\u53ef\u9760\u7684\u5916\u90e8\u65f6\u95f4\u6e90
\n# pool 2.debian.pool.ntp.org offline iburst
\nserver ntp.aliyun.com iburst
\nserver time.google.com iburst<\/p>\n

# \u5141\u8bb8\u54ea\u4e9b\u5ba2\u6237\u7aef\u53ef\u4ee5\u8bbf\u95ee\u8be5 NTP \u670d\u52a1\u5668
\n# \u5141\u8bb8 192.168.0.0\/16 \u7f51\u6bb5\u7684\u5ba2\u6237\u7aef\u8bbf\u95ee \u770b\u4f60\u81ea\u5df1\u7684\u7f51\u6bb5
\nallow 192.168.0.0\/16<\/p>\n

# \u5373\u4f7f\u6ca1\u6709\u4e0e\u5916\u90e8\u65f6\u95f4\u6e90\u540c\u6b65，\u4e5f\u53ef\u4ee5\u63d0\u4f9b\u65f6\u95f4\u670d\u52a1
\nlocal stratum 10<\/p>\n

\u4fee\u6539\u5b8c\u914d\u7f6e\u6587\u4ef6\u8981\u91cd\u542f\u670d\u52a1 <\/p>\n

6\u3001\u539f\u672c\u865a\u62df\u673a\u91cd\u542f\u670d\u52a1\u7136\u540e\u9a8c\u8bc1\u670d\u52a1\u662f\u5426\u540c\u6b65<\/h4>\n

[root@nginx www]# chronyc sources -v
\n.– Source mode '^' = server, '=' = peer, '#' = local clock.
\n\/ .- Source state '*' = current best, '+' = combined, '-' = not
\ncombined,
\n| \/ 'x' = may be in error, '~' = too variable, '?' =
\nunusable.
\n|| .- xxxx [ yyyy ]
\n+\/- zzzz
\n|| Reachability register (octal) -. | xxxx = adjusted
\noffset,
\n|| Log2(Polling interval) –. | | yyyy = measured
\noffset,
\n|| \\\\ | | zzzz = estimated
\nerror.
\n|| | | \\\\
\nMS Name\/IP address Stratum Poll Reach LastRx Last sample
\n======================================================================
\n=========
\n^* 192.168.72.133 10 6 17 7 -7921ns[ -14us]
\n+\/- 467us <\/p>\n

7\u3001\u7ed3\u679c\u5206\u6790<\/h4>\n

^* 192.168.72.133 10 6 17 7 -7921ns[ -14us]
\nMS \u5217\u7b26\u53f7
\nSource mode \u7b26\u53f7
\n^：\u8868\u793a\u8be5\u65f6\u95f4\u6e90\u662f\u4e00\u4e2a NTP \u670d\u52a1\u5668\u3002
\n=：\u8868\u793a\u8be5\u65f6\u95f4\u6e90\u662f\u4e00\u4e2a\u5bf9\u7b49\u4f53（peer），\u5bf9\u7b49\u4f53\u4e4b\u95f4\u53ef\u4ee5\u76f8\u4e92\u540c\u6b65\u65f6\u95f4\u3002
\n#：\u8868\u793a\u8be5\u65f6\u95f4\u6e90\u662f\u672c\u5730\u65f6\u949f，\u5373\u4f7f\u7528\u672c\u5730\u7cfb\u7edf\u7684\u65f6\u949f\u4f5c\u4e3a\u65f6\u95f4\u53c2\u8003\u3002
\nSource state \u7b26\u53f7
\n*：\u8868\u793a\u8be5\u65f6\u95f4\u6e90\u662f\u5f53\u524d\u6700\u4f73\u7684\u65f6\u95f4\u6e90，chrony \u4f1a\u4f18\u5148\u4f7f\u7528\u5b83\u8fdb\u884c\u65f6\u95f4\u540c\u6b65\u3002
\n+：\u8868\u793a\u8be5\u65f6\u95f4\u6e90\u4e0e\u5176\u4ed6\u65f6\u95f4\u6e90\u7ec4\u5408\u4f7f\u7528，\u7528\u4e8e\u63d0\u9ad8\u65f6\u95f4\u540c\u6b65\u7684\u51c6\u786e\u6027\u3002
\n-：\u8868\u793a\u8be5\u65f6\u95f4\u6e90\u672a\u88ab\u7528\u4e8e\u7ec4\u5408，\u53ef\u80fd\u662f\u56e0\u4e3a\u5176\u8d28\u91cf\u4e0d\u591f\u597d\u6216\u8005\u5176\u4ed6\u539f\u56e0\u3002
\nx：\u8868\u793a\u8be5\u65f6\u95f4\u6e90\u53ef\u80fd\u5b58\u5728\u9519\u8bef，\u53ef\u80fd\u662f\u670d\u52a1\u5668\u6545\u969c\u3001\u7f51\u7edc\u95ee\u9898\u6216\u65f6\u95f4\u6570\u636e\u4e0d\u5408\u7406\u7b49\u3002
\n~：\u8868\u793a\u8be5\u65f6\u95f4\u6e90\u7684\u65f6\u95f4\u6570\u636e\u53d8\u5316\u8fc7\u5927，\u4e0d\u7a33\u5b9a，\u4e0d\u9002\u5408\u7528\u4e8e\u7cbe\u786e\u7684\u65f6\u95f4\u540c\u6b65\u3002
\n?：\u8868\u793a\u8be5\u65f6\u95f4\u6e90\u4e0d\u53ef\u7528，\u5982\u524d\u9762\u5206\u6790\u7684\u90a3\u6837，\u53ef\u80fd\u662f\u7f51\u7edc\u8fde\u63a5\u3001\u670d\u52a1\u5668\u914d\u7f6e\u7b49\u95ee\u9898\u5bfc\u81f4\u3002<\/p>\n

\u7ed3\u679c\u540e\u9762\u5168\u90e8\u4e3a0\u8bf4\u660e\u6839\u672c\u6ca1\u6709\u540c\u6b65\u4e0a，\u4e00\u822c\u524d\u9762\u7684\u7b26\u53f7\u4e3a？，\u8fd9\u91cc\u8bbe\u7f6e\u591a\u4e2antp\u53ef\u80fd\u4f1a\u51fa\u4e00\u4e9b\u95ee\u9898，\u5efa\u8bae\u7528\u4e00\u4e2a\u68c0\u6d4b\u5c31\u884c，\u53ef\u80fd\u4f60\u521a\u5f00\u59cb\u662f？，\u53ef\u4ee5\u591a\u5237\u65b0\u51e0\u6b21，\u770b\u7ed3\u679c\u662f\u5426\u53d8\u5316\u3002 <\/p>\n","protected":false},"excerpt":{"rendered":"

\u6587\u7ae0\u6d4f\u89c8\u9605\u8bfb633\u6b21\uff0c\u70b9\u8d5e7\u6b21\uff0c\u6536\u85cf5\u6b21\u3002\u5728 redhat 8 \u4e4b\u524d\uff0c\u65f6\u95f4\u540c\u6b65\u670d\u52a1\u662f\u4f7f\u7528 NTP\uff08\u7f51\u7edc\u65f6\u95f4\u534f\u8bae\uff09\u6765\u5b9e\u73b0\u7684\uff0c\u5728 redhat 8 \u53ca\u4e4b\u540e\u4f7f\u7528\u662f NTP \u7684\u5b9e\u73b0\u5de5\u5177 chrony \u6765\u5b9e\u73b0\u65f6\u95f4\u540c\u6b65\u3002\u5728 redhat 8 \u53ca\u4e4b\u540e\uff0c\u9ed8\u8ba4\u60c5\u51b5\u4e0b\u5df2\u7ecf\u5b89\u88c5\u597d chrony \u8f6f\u4ef6\u5e76\u5df2\u7ecf\u5f00\u673a\u542f\u52a8 chronyd \u670d\u52a1\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528 chronyc \u547d\u4ee4\u6765\u4e34\u65f6\u4fee\u6539\u65f6\u95f4\u540c\u6b65\uff0c\u4f46\u66f4\u5efa\u8bae\u53bb\u4fee\u6539 \/etc\/chony.conf \u914d\u7f6e\u6587\u4ef6\u6765\u5b9e\u73b0\u6301\u4e45\u5316\u7684\u4fee\u6539\u3002\/etc\/chrony.conf # \u6838\u5fc3\u914d\u7f6e\u6587\u4ef6\u3002_linux\u540c\u6b65\u670d\u52a1\u5668\u65f6\u95f4<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[58,43,44],"topic":[],"class_list":["post-36217","post","type-post","status-publish","format-standard","hentry","category-server","tag-linux","tag-43","tag-44"],"yoast_head":"\nLinux\u4e2d\u670d\u52a1\u5668\u65f6\u95f4\u540c\u6b65 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.wsisp.com\/helps\/36217.html\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Linux\u4e2d\u670d\u52a1\u5668\u65f6\u95f4\u540c\u6b65 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"og:description\" content=\"\u6587\u7ae0\u6d4f\u89c8\u9605\u8bfb633\u6b21\uff0c\u70b9\u8d5e7\u6b21\uff0c\u6536\u85cf5\u6b21\u3002\u5728 redhat 8 \u4e4b\u524d\uff0c\u65f6\u95f4\u540c\u6b65\u670d\u52a1\u662f\u4f7f\u7528 NTP\uff08\u7f51\u7edc\u65f6\u95f4\u534f\u8bae\uff09\u6765\u5b9e\u73b0\u7684\uff0c\u5728 redhat 8 \u53ca\u4e4b\u540e\u4f7f\u7528\u662f NTP \u7684\u5b9e\u73b0\u5de5\u5177 chrony \u6765\u5b9e\u73b0\u65f6\u95f4\u540c\u6b65\u3002\u5728 redhat 8 \u53ca\u4e4b\u540e\uff0c\u9ed8\u8ba4\u60c5\u51b5\u4e0b\u5df2\u7ecf\u5b89\u88c5\u597d chrony \u8f6f\u4ef6\u5e76\u5df2\u7ecf\u5f00\u673a\u542f\u52a8 chronyd \u670d\u52a1\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528 chronyc \u547d\u4ee4\u6765\u4e34\u65f6\u4fee\u6539\u65f6\u95f4\u540c\u6b65\uff0c\u4f46\u66f4\u5efa\u8bae\u53bb\u4fee\u6539 \/etc\/chony.conf \u914d\u7f6e\u6587\u4ef6\u6765\u5b9e\u73b0\u6301\u4e45\u5316\u7684\u4fee\u6539\u3002\/etc\/chrony.conf # \u6838\u5fc3\u914d\u7f6e\u6587\u4ef6\u3002_linux\u540c\u6b65\u670d\u52a1\u5668\u65f6\u95f4\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.wsisp.com\/helps\/36217.html\" \/>\n<meta property=\"og:site_name\" content=\"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"article:published_time\" content=\"2025-05-08T01:10:44+00:00\" \/>\n<meta name=\"author\" content=\"admin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"admin\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4\" \/>\n\t<meta name=\"twitter:data2\" content=\"6 \u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/36217.html\",\"url\":\"https:\/\/www.wsisp.com\/helps\/36217.html\",\"name\":\"Linux\u4e2d\u670d\u52a1\u5668\u65f6\u95f4\u540c\u6b65 - 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\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.wsisp.com\/helps\/36217.html","og_locale":"zh_CN","og_type":"article","og_title":"Linux\u4e2d\u670d\u52a1\u5668\u65f6\u95f4\u540c\u6b65 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","og_description":"\u6587\u7ae0\u6d4f\u89c8\u9605\u8bfb633\u6b21\uff0c\u70b9\u8d5e7\u6b21\uff0c\u6536\u85cf5\u6b21\u3002\u5728 redhat 8 \u4e4b\u524d\uff0c\u65f6\u95f4\u540c\u6b65\u670d\u52a1\u662f\u4f7f\u7528 NTP\uff08\u7f51\u7edc\u65f6\u95f4\u534f\u8bae\uff09\u6765\u5b9e\u73b0\u7684\uff0c\u5728 redhat 8 \u53ca\u4e4b\u540e\u4f7f\u7528\u662f NTP \u7684\u5b9e\u73b0\u5de5\u5177 chrony \u6765\u5b9e\u73b0\u65f6\u95f4\u540c\u6b65\u3002\u5728 redhat 8 \u53ca\u4e4b\u540e\uff0c\u9ed8\u8ba4\u60c5\u51b5\u4e0b\u5df2\u7ecf\u5b89\u88c5\u597d chrony \u8f6f\u4ef6\u5e76\u5df2\u7ecf\u5f00\u673a\u542f\u52a8 chronyd \u670d\u52a1\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528 chronyc \u547d\u4ee4\u6765\u4e34\u65f6\u4fee\u6539\u65f6\u95f4\u540c\u6b65\uff0c\u4f46\u66f4\u5efa\u8bae\u53bb\u4fee\u6539 \/etc\/chony.conf \u914d\u7f6e\u6587\u4ef6\u6765\u5b9e\u73b0\u6301\u4e45\u5316\u7684\u4fee\u6539\u3002\/etc\/chrony.conf # \u6838\u5fc3\u914d\u7f6e\u6587\u4ef6\u3002_linux\u540c\u6b65\u670d\u52a1\u5668\u65f6\u95f4","og_url":"https:\/\/www.wsisp.com\/helps\/36217.html","og_site_name":"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","article_published_time":"2025-05-08T01:10:44+00:00","author":"admin","twitter_card":"summary_large_image","twitter_misc":{"\u4f5c\u8005":"admin","\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4":"6 \u5206"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.wsisp.com\/helps\/36217.html","url":"https:\/\/www.wsisp.com\/helps\/36217.html","name":"Linux\u4e2d\u670d\u52a1\u5668\u65f6\u95f4\u540c\u6b65 - 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