{"id":34743,"date":"2025-04-30T17:25:44","date_gmt":"2025-04-30T09:25:44","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/34743.html"},"modified":"2025-04-30T17:25:44","modified_gmt":"2025-04-30T09:25:44","slug":"chrony%e6%9c%8d%e5%8a%a1%e5%99%a8%ef%bc%882%ef%bc%89","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/34743.html","title":{"rendered":"chrony\u670d\u52a1\u5668\uff082\uff09"},"content":{"rendered":"

\u5b89\u88c5\u4e0e\u914d\u7f6e<\/h3>\n

[root@server ~]<\/span># systemctl status ntp # <\/span>\u67e5\u770b<\/span>ntp<\/span>\u72b6\u6001<\/span><\/p>\n<\/p>\n

\u5b89\u88c5<\/p>\n

# <\/span>\u9ed8\u8ba4\u5df2\u5b89\u88c5，\u82e5\u9700\u8981\u5b89\u88c5\u5219\u53ef\u6267\u884c： <\/span><\/p>\n

[root@server ~]<\/span># yum install chrony -y <\/span><\/p>\n

[root@server ~]<\/span># systemctl start chronyd <\/span><\/p>\n

[root@server ~]<\/span># systemctl enable chronyd<\/span><\/p>\n

Chrony<\/span>\u914d\u7f6e\u6587\u4ef6\u5206\u6790<\/span><\/h3>\n

\u4e3b\u914d\u7f6e\u6587\u4ef6： \/etc\/chrony.conf<\/p>\n

[root@server ~]<\/span># vim\u00a0 \/etc\/chrony.conf <\/span><\/p>\n

# <\/span>\u4f7f\u7528 <\/span>pool.ntp.org <\/span>\u9879\u76ee\u4e2d\u7684\u516c\u5171\u670d\u52a1\u5668\u3002 <\/span><\/p>\n

# <\/span>\u6216\u8005\u4f7f\u7528<\/span>server<\/span>\u5f00\u5934\u7684\u670d\u52a1\u5668，\u7406\u8bba\u4e0a\u60f3\u6dfb\u52a0\u591a\u5c11\u65f6\u95f4\u670d\u52a1\u5668\u90fd\u53ef\u4ee5 <\/span><\/p>\n

# iburst<\/span>\u8868\u793a\u7684\u662f\u9996\u6b21\u540c\u6b65\u7684\u65f6\u5019\u5feb\u901f\u540c\u6b65 <\/span><\/p>\n

pool pool.ntp.org iburst <\/span><\/p>\n

# <\/span>\u6839\u636e\u5b9e\u9645\u65f6\u95f4\u8ba1\u7b97\u51fa\u670d\u52a1\u5668\u589e\u51cf\u65f6\u95f4\u7684\u6bd4\u7387，\u7136\u540e\u8bb0\u5f55\u5230\u4e00\u4e2a\u6587\u4ef6\u4e2d，\u5728\u7cfb\u7edf\u91cd\u542f\u540e\u4e3a\u7cfb\u7edf\u505a\u51fa\u6700\u4f73\u65f6\u95f4 <\/span><\/p>\n

\u8865\u507f\u8c03\u6574\u3002 <\/span><\/p>\n

driftfile \/var\/lib\/chrony\/drift <\/span><\/p>\n

# <\/span>\u5982\u679c\u7cfb\u7edf\u65f6\u949f\u7684\u504f\u79fb\u91cf\u5927\u4e8e<\/span>1<\/span>\u79d2，\u5219\u5141\u8bb8\u7cfb\u7edf\u65f6\u949f\u5728\u524d\u4e09\u6b21\u66f4\u65b0\u4e2d\u6b65\u8fdb\u3002 <\/span><\/p>\n

# Allow the system clock to be stepped in the first three updates if its offset <\/span><\/p>\n

is larger than 1 second. <\/span><\/p>\n

makestep <\/span>1<\/span>.0 <\/span>3 <\/span><\/p>\n

# <\/span>\u542f\u7528\u5b9e\u65f6\u65f6\u949f（<\/span>RTC<\/span>）\u7684\u5185\u6838\u540c\u6b65\u3002 <\/span><\/p>\n

# Enable kernel synchronization of the real-time clock (RTC). <\/span><\/p>\n

rtcsync <\/span><\/p>\n

# <\/span>\u901a\u8fc7\u4f7f\u7528 <\/span>hwtimestamp <\/span>\u6307\u4ee4\u542f\u7528\u786c\u4ef6\u65f6\u95f4\u6233 <\/span><\/p>\n

# Enable hardware timestamping on all interfaces that support it. <\/span><\/p>\n

#hwtimestamp * <\/span><\/p>\n

# Increase the minimum number of selectable sources required to adjust the system <\/span><\/p>\n

clock. <\/span><\/p>\n

#minsources 2 <\/span><\/p>\n

# <\/span>\u6307\u5b9a <\/span>NTP <\/span>\u5ba2\u6237\u7aef\u5730\u5740，\u4ee5\u5141\u8bb8\u6216\u62d2\u7edd\u8fde\u63a5\u5230\u626e\u6f14\u65f6\u949f\u670d\u52a1\u5668\u7684\u673a\u5668 <\/span><\/p>\n

# Allow NTP client access from local network. <\/span><\/p>\n

#allow 192.168.48.0\/24<\/span><\/p>\n

# Serve time even if not synchronized to a time source. <\/span><\/p>\n

# local stratum 10 <\/span><\/p>\n

# <\/span>\u6307\u5b9a\u5305\u542b <\/span>NTP <\/span>\u8eab\u4efd\u9a8c\u8bc1\u5bc6\u94a5\u7684\u6587\u4ef6\u3002 <\/span><\/p>\n

# Specify file containing keys for NTP authentication. <\/span><\/p>\n

# keyfile \/etc\/chrony.keys <\/span><\/p>\n

# <\/span>\u6307\u5b9a\u65e5\u5fd7\u6587\u4ef6\u7684\u76ee\u5f55\u3002 <\/span><\/p>\n

# Specify directory for log files. <\/span><\/p>\n

logdir \/var\/log\/chrony <\/span><\/p>\n

# <\/span>\u9009\u62e9\u65e5\u5fd7\u6587\u4ef6\u8981\u8bb0\u5f55\u7684\u4fe1\u606f\u3002 <\/span><\/p>\n

# Select which information is logged. <\/span><\/p>\n

# log measurements statistics tracking<\/span><\/p>\n

\u540c\u6b65\u65f6\u95f4\u670d\u52a1\u5668<\/h3>\n

\u6388\u65f6\u4e2d\u5fc3<\/span><\/h4>\n

210<\/span>.72.145.44 <\/span>\u56fd\u5bb6\u6388\u65f6\u4e2d\u5fc3 <\/span><\/p>\n

ntp.aliyun.com <\/span>\u963f\u91cc\u4e91 <\/span><\/p>\n

s1a.time.edu.cn <\/span>\u5317\u4eac\u90ae\u7535\u5927\u5b66 <\/span><\/p>\n

s1b.time.edu.cn <\/span>\u6e05\u534e\u5927\u5b66 <\/span><\/p>\n

s1c.time.edu.cn <\/span>\u5317\u4eac\u5927\u5b66 <\/span><\/p>\n

s1d.time.edu.cn <\/span>\u4e1c\u5357\u5927\u5b66 <\/span><\/p>\n

s1e.time.edu.cn <\/span>\u6e05\u534e\u5927\u5b66 <\/span><\/p>\n

s2a.time.edu.cn <\/span>\u6e05\u534e\u5927\u5b66 <\/span><\/p>\n

s2b.time.edu.cn <\/span>\u6e05\u534e\u5927\u5b66 <\/span><\/p>\n

s2c.time.edu.cn <\/span>\u5317\u4eac\u90ae\u7535\u5927\u5b66 <\/span><\/p>\n

s2d.time.edu.cn <\/span>\u897f\u5357\u5730\u533a\u7f51\u7edc\u4e2d\u5fc3 <\/span><\/p>\n

s2e.time.edu.cn <\/span>\u897f\u5317\u5730\u533a\u7f51\u7edc\u4e2d\u5fc3 <\/span><\/p>\n

s2f.time.edu.cn <\/span>\u4e1c\u5317\u5730\u533a\u7f51\u7edc\u4e2d\u5fc3 <\/span><\/p>\n

s2g.time.edu.cn <\/span>\u534e\u4e1c\u5357\u5730\u533a\u7f51\u7edc\u4e2d\u5fc3 <\/span><\/p>\n

s2h.time.edu.cn <\/span>\u56db\u5ddd\u5927\u5b66\u7f51\u7edc\u7ba1\u7406\u4e2d\u5fc3 <\/span><\/p>\n

s2j.time.edu.cn <\/span>\u5927\u8fde\u7406\u5de5\u5927\u5b66\u7f51\u7edc\u4e2d\u5fc3 <\/span><\/p>\n

s2k.time.edu.cn CERNET<\/span>\u6842\u6797\u4e3b\u8282\u70b9 <\/span><\/p>\n

s2m.time.edu.cn <\/span>\u5317\u4eac\u5927\u5b66 <\/span><\/p>\n

ntp.sjtu.edu.cn <\/span>202<\/span>.120.2.101 <\/span>\u4e0a\u6d77\u4ea4\u901a\u5927\u5b66<\/span><\/p>\n

\u5b9e\u9a8c<\/span>1<\/span><\/h4>\n

\u540c\u6b65\u65f6\u95f4 <\/span><\/p>\n

\u7b2c\u4e00\u6b65：\u5148\u4fee\u6539\u6210\u9519\u8bef\u65f6\u95f4<\/span><\/p>\n

[root@server ~]<\/span>
\n # date -s 10:30 <\/span> <\/p>\n

2023<\/span>
\n \u5e74 <\/span>
\n 05<\/span>
\n \u6708 <\/span>
\n 30<\/span>
\n \u65e5 \u661f\u671f\u4e8c <\/span>
\n 10<\/span>
\n :30:00 CST<\/span> <\/p>\n

\u7b2c\u4e8c\u6b65：\u7f16\u5236<\/span>
\n chrony<\/span>
\n \u7684\u914d\u7f6e\u6587\u4ef6<\/span> <\/p>\n

[root@server ~]<\/span># vim \/etc\/chrony.conf <\/span><\/p>\n

# <\/span>\u5b9a\u4f4d\u7b2c<\/span>3<\/span>\u884c，\u5220\u9664\u540e\u6dfb\u52a0\u963f\u91cc\u7684\u65f6\u95f4\u540c\u6b65\u670d\u52a1\u5730\u5740 <\/span><\/p>\n

server ntp.aliyun.com iburst <\/span><\/p>\n

# <\/span>\u6ce8\u610f：\u4e5f\u53ef\u4ee5\u5148\u6e05\u7a7a<\/span>chrony.conf<\/span>\u5185\u5bb9，\u5c06\u963f\u91cc\u5f00\u6e90\u63d0\u4f9b\u7684\u65f6\u95f4\u670d\u52a1\u5668\u63a8\u8350\u914d\u7f6e\u590d\u5236\u7c98\u8d34\u5230\u8be5\u6587\u4ef6\u4e2d<\/span><\/p>\n<\/p>\n

server ntp.aliyun.com iburst <\/span><\/p>\n

stratumweight <\/span>0 <\/span><\/p>\n

driftfile \/var\/lib\/chrony\/drift <\/span><\/p>\n

rtcsync <\/span><\/p>\n

makestep <\/span>10 3 <\/span><\/p>\n

bindcmdaddress <\/span>127<\/span>.0.0.1 <\/span><\/p>\n

bindcmdaddress ::1 <\/span><\/p>\n

keyfile \/etc\/chrony.keys <\/span><\/p>\n

commandkey <\/span>1 <\/span><\/p>\n

generatecommandkey <\/span><\/p>\n

logchange <\/span>0<\/span>.5 <\/span><\/p>\n

logdir \/var\/log\/chrony<\/span><\/p>\n

\u7b2c\u4e09\u6b65：\u91cd\u542f\u670d\u52a1<\/span><\/p>\n

[root@server ~]<\/span># systemctl\u00a0 \u00a0restart\u00a0 \u00a0chronyd<\/span><\/p>\n

\u7b2c\u56db\u6b65：\u65f6\u95f4\u540c\u6b65<\/span><\/p>\n

[root@server ~]<\/span># chronyc\u00a0 sources\u00a0 -v <\/span><\/p>\n

.– Source mode <\/span>'^' <\/span>= <\/span>server, <\/span>'=' <\/span>= <\/span>peer, <\/span>'#' <\/span>= <\/span>local clock. <\/span><\/p>\n

\/ .- Source state <\/span>'*' <\/span>= <\/span>current best, <\/span>'+' <\/span>= <\/span>combined, <\/span>'-' <\/span>= <\/span>not combined, <\/span><\/p>\n

| \/\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span>'x' <\/span>= <\/span>may be <\/span>in <\/span>error, <\/span>'~' <\/span>= <\/span>too variable, <\/span>'?' <\/span>= <\/span>unusable. <\/span><\/p>\n

||\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0.\u00a0– xxxx [ yyyy ] <\/span>+<\/span>\/- zzzz <\/span><\/p>\n

|| \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0Reachability register (octal) <\/span>–<\/span>. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0| xxxx <\/span>= <\/span>adjusted offset, <\/span><\/p>\n

|| \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0Log2(Polling interval) <\/span>—<\/span>. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0|\u00a0 \u00a0 \u00a0 \u00a0 \u00a0| yyyy <\/span>= <\/span>measured offset, <\/span><\/p>\n

||\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \\\\\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0| \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0| zzzz <\/span>= <\/span>estimated error. <\/span><\/p>\n

||\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 | \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0| \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\\\\ <\/span><\/p>\n

MS Name\/IP address Stratum Poll Reach LastRx Last sample <\/span><\/p>\n

========================================================================== <\/span><\/p>\n

^* <\/span>203<\/span>.107.6.88 <\/span>2 6 17 56 <\/span>+<\/span>493us[ <\/span>-335us<\/span>] <\/span>+<\/span>\/- 34ms<\/span><\/p>\n

\u7b2c\u4e94\u6b65：\u67e5\u770b\u65f6\u95f4\u662f\u5426\u540c\u6b65<\/p>\n

[root@server ~]<\/span># timedatectl\u00a0 status <\/span><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0Local time: \u4e8c <\/span>2024<\/span>-05-30 <\/span>10<\/span>:24:39 CST <\/span><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0Universal time: \u4e8c <\/span>2024<\/span>-05-30 <\/span>02<\/span>:24:39 UTC <\/span><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0RTC time: \u4e8c <\/span>2024<\/span>-05-30 <\/span>02<\/span>:24:40 <\/span><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0Time zone: Asia\/Shanghai (CST, <\/span>+<\/span>0800<\/span>) <\/span><\/p>\n

System clock synchronized: <\/span>yes <\/span># yes <\/span>\u8868\u540d\u5df2\u540c\u6b65 <\/span><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0NTP <\/span>service<\/span>: active <\/span><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0RTC <\/span>in <\/span>local TZ: no <\/span><\/p>\n

[root@server ~]<\/span># date <\/span><\/p>\n

2024<\/span>\u5e74 <\/span>05<\/span>\u6708 <\/span>30<\/span>\u65e5 \u661f\u671f\u4e8c <\/span>10<\/span>:26:14 CST<\/span><\/p>\n

chronyc<\/span>\u547d\u4ee4<\/span><\/h3>\n

\u67e5\u770b\u65f6\u95f4\u670d\u52a1\u5668：<\/span><\/h4>\n

[root@server ~]<\/span># chronyc\u00a0 sources\u00a0 -v <\/span><\/p>\n

.– Source mode <\/span>'^' <\/span>= <\/span>server, <\/span>'=' <\/span>= <\/span>peer, <\/span>'#' <\/span>= <\/span>local clock. <\/span><\/p>\n

\/ .- Source state <\/span>'*' <\/span>= <\/span>current best, <\/span>'+' <\/span>= <\/span>combined, <\/span>'-' <\/span>= <\/span>not combined, <\/span><\/p>\n

| \/\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span>'x' <\/span>= <\/span>may be <\/span>in <\/span>error, <\/span>'~' <\/span>= <\/span>too variable, <\/span>'?' <\/span>= <\/span>unusable. <\/span><\/p>\n

||\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0.\u00a0– xxxx [ yyyy ] <\/span>+<\/span>\/- zzzz <\/span><\/p>\n

|| \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0Reachability register (octal) <\/span>–<\/span>. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0| xxxx <\/span>= <\/span>adjusted offset, <\/span><\/p>\n

|| \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0Log2(Polling interval) <\/span>—<\/span>. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0|\u00a0 \u00a0 \u00a0 \u00a0 \u00a0| yyyy <\/span>= <\/span>measured offset, <\/span><\/p>\n

||\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \\\\\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0| \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0| zzzz <\/span>= <\/span>estimated error. <\/span><\/p>\n

||\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 | \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0| \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\\\\ <\/span><\/p>\n

MS Name\/IP address Stratum Poll Reach LastRx Last sample <\/span><\/p>\n

========================================================================== <\/span><\/p>\n

^* <\/span>203<\/span>.107.6.88 <\/span>2 6 17 56 <\/span>+<\/span>493us[ <\/span>-335us<\/span>] <\/span>+<\/span>\/- 34ms<\/span><\/p>\n

chronyc sources<\/span>\u8f93\u51fa\u5206\u6790<\/span><\/h4>\n

M<\/span>：\u8fd9\u8868\u793a\u4fe1\u53f7\u6e90\u7684\u6a21\u5f0f\u3002<\/span>^<\/span>\u8868\u793a\u670d\u52a1\u5668，<\/span>=<\/span>\u8868\u793a\u5bf9\u7b49\u65b9，＃\u8868\u793a\u672c\u5730\u8fde\u63a5\u7684\u53c2\u8003\u65f6\u949f\u3002 <\/span><\/p>\n

S<\/span>：\u6b64\u5217\u6307\u793a\u6e90\u7684\u72b6\u6001<\/span><\/p>\n

\"\"<\/p>\n

Name\/IP address<\/span>：\u663e\u793a\u670d\u52a1\u5668\u6e90\u7684\u540d\u79f0\u6216<\/span>IP<\/span>\u5730\u5740 <\/span><\/p>\n

Stratum<\/span>：\u8868\u793a\u6e90\u7684\u5c42\u7ea7，\u5c42\u7ea7<\/span>1<\/span>\u8868\u793a\u672c\u5730\u8fde\u63a5\u7684\u53c2\u8003\u65f6\u949f，\u7b2c<\/span>2<\/span>\u5c42\u8868\u793a\u901a\u8fc7\u7b2c<\/span>1<\/span>\u5c42\u7ea7\u8ba1\u7b97\u673a\u7684\u65f6\u949f <\/span><\/p>\n

\u5b9e\u73b0\u540c\u6b65，\u4f9d\u6b64\u7c7b\u63a8 <\/span><\/p>\n

Poll<\/span>：\u8868\u793a\u6e90\u8f6e\u8be2\u9891\u7387，\u4ee5\u79d2\u4e3a\u5355\u4f4d，\u503c\u662f\u57fa\u6570<\/span>2<\/span>\u7684\u5bf9\u6570，\u4f8b\u5982\u503c<\/span>6<\/span>\u8868\u793a\u6bcf<\/span>64<\/span>\u79d2\u8fdb\u884c\u4e00\u6b21\u6d4b\u91cf， <\/span><\/p>\n

chronyd<\/span>\u4f1a\u6839\u636e\u5f53\u65f6\u7684\u60c5\u51b5\u81ea\u52a8\u6539\u53d8\u8f6e\u8be2\u9891\u7387 <\/span><\/p>\n

Reach<\/span>：\u8868\u793a\u6e90\u7684\u53ef\u8fbe\u6027\u7684\u9501\u5b58\u503c（\u516b\u8fdb\u5236\u6570\u503c），\u8be5\u9501\u5b58\u503c\u6709<\/span>8<\/span>\u4f4d，\u5e76\u5728\u5f53\u63a5\u6536\u6216\u4e22\u5931\u4e00\u6b21\u65f6\u8fdb <\/span><\/p>\n

\u884c\u4e00\u6b21\u66f4\u65b0，\u503c<\/span>377<\/span>\u8868\u793a\u6700\u540e\u516b\u6b21\u4f20\u8f93\u90fd\u6536\u5230\u4e86\u6709\u6548\u7684\u56de\u590d <\/span><\/p>\n

LastRx<\/span>：\u8868\u793a\u4ece\u6e90\u6536\u5230\u6700\u8fd1\u7684\u4e00\u6b21\u7684\u65f6\u95f4，\u901a\u5e38\u662f\u51e0\u79d2\u949f，\u5b57\u6bcd<\/span>m<\/span>，<\/span>h<\/span>，<\/span>d<\/span>\u6216<\/span>y<\/span>\u5206\u522b\u8868\u793a\u5206\u949f，\u5c0f <\/span><\/p>\n

\u65f6，\u5929\u6216\u5e74 <\/span><\/p>\n

Last sample<\/span>：\u8868\u793a\u672c\u5730\u65f6\u949f\u4e0e\u4e0a\u6b21\u6d4b\u91cf\u65f6\u6e90\u7684\u504f\u79fb\u91cf，\u65b9\u62ec\u53f7\u5de6\u4fa7\u7684\u6570\u5b57\u8868\u793a\u539f\u59cb\u6d4b\u91cf\u503c，\u65b9\u62ec <\/span><\/p>\n

\u53f7\u53f3\u4fa7\u8868\u793a\u504f\u5dee\u503c，<\/span>+\/-<\/span>\u6307\u793a\u5668\u540e\u9762\u7684\u6570\u5b57\u8868\u793a\u6d4b\u91cf\u4e2d\u7684\u8bef\u5dee\u8303\u56f4\u3002\u6b63\u504f\u79fb\u8868\u793a\u672c\u5730\u65f6\u949f\u4f4d\u4e8e\u6e90\u65f6\u949f\u4e4b\u524d<\/span><\/p>\n

\u5176\u5b83\u547d\u4ee4<\/span><\/h4>\n

\u67e5\u770b\u65f6\u95f4\u670d\u52a1\u5668\u7684\u72b6\u6001 <\/span><\/p>\n

[root@server ~]<\/span># chronyc\u00a0 sourcestats\u00a0 -v<\/span><\/p>\n

\u67e5\u770b\u65f6\u95f4\u670d\u52a1\u5668\u662f\u5426\u5728\u7ebf <\/span><\/p>\n

[root@server ~]<\/span># chronyc\u00a0 activity\u00a0 -v<\/span><\/p>\n

\u540c\u6b65\u7cfb\u7edf\u65f6\u949f <\/span><\/p>\n

[root@server ~]<\/span># chronyc\u00a0 \u00a0-a\u00a0 \u00a0makestep<\/span><\/p>\n

\u5e38\u89c1\u65f6\u533a <\/span><\/h4>\n

UTC <\/span>\u6574\u4e2a\u5730\u7403\u5206\u4e3a\u4e8c\u5341\u56db\u65f6\u533a，\u6bcf\u4e2a\u65f6\u533a\u90fd\u6709\u81ea\u5df1\u7684\u672c\u5730\u65f6\u95f4\u3002\u5728\u56fd\u9645\u65e0\u7ebf\u7535\u901a\u4fe1\u573a\u5408，\u4e3a\u4e86\u7edf\u4e00 <\/span><\/p>\n

\u8d77\u89c1，\u4f7f\u7528\u4e00\u4e2a\u7edf\u4e00\u7684\u65f6\u95f4，\u79f0\u4e3a\u901a\u7528\u534f\u8c03\u65f6<\/span>(UTC, Universal Time Coordinated)<\/span>\u3002 <\/span><\/p>\n

GMT <\/span>\u683c\u6797\u5a01\u6cbb\u6807\u51c6\u65f6\u95f4<\/span> (Greenwich Mean Time)<\/span>\u6307\u4f4d\u4e8e\u82f1\u56fd\u4f26\u6566\u90ca\u533a\u7684\u683c\u6797\u5c3c\u6cbb\u5929\u6587\u53f0\u7684\u6807\u51c6 <\/span><\/p>\n

\u65f6\u95f4，\u56e0\u4e3a\u672c\u521d\u5b50\u5348\u7ebf\u88ab\u5b9a\u4e49\u5728\u901a\u8fc7\u90a3\u91cc\u7684\u7ecf\u7ebf\u3002<\/span>(UTC<\/span>\u4e0e<\/span>GMT<\/span>\u65f6\u95f4\u57fa\u672c\u76f8\u540c，\u672c\u6587\u4e2d\u4e0d\u505a\u533a\u5206<\/span>) <\/span><\/p>\n

CST <\/span>\u4e2d\u56fd\u6807\u51c6\u65f6\u95f4<\/span> (China Standard Time)GMT + 8 = UTC + 8 = CST <\/span><\/p>\n

DST<\/span>\u590f\u4ee4\u65f6<\/span>(Daylight Saving Time) <\/span>\u6307\u5728\u590f\u5929\u592a\u9633\u5347\u8d77\u7684\u6bd4\u8f83\u65e9\u65f6，\u5c06\u65f6\u95f4\u62e8\u5feb\u4e00\u5c0f\u65f6，\u4ee5\u63d0\u65e9\u65e5 <\/span><\/p>\n

\u5149\u7684\u4f7f\u7528\u3002（\u4e2d\u56fd\u4e0d\u4f7f\u7528）<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"

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