centos 8.x系统配置chrony时间同步服务测试错误时间

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服务端配置

客户端配置

客户端相关指令

查看当前的同步源

[root@localhost ~]# chronyc sources -v
210 Number of sources = 1.-- Source mode  '^' = server, '=' = peer, '#' = local clock./ .- Source state '*' = current synced, '+' = combined , '-' = not combined,
| /   '?' = unreachable, 'x' = time may be in error, '~' = time too variable.
||                                                 .- xxxx [ yyyy ] +/- zzzz
||      Reachability register (octal) -.           |  xxxx = adjusted offset,
||      Log2(Polling interval) --.      |          |  yyyy = measured offset,
||                                \     |          |  zzzz = estimated error.
||                                 |    |           \
MS Name/IP address         Stratum Poll Reach LastRx Last sample               
===============================================================================
^~ 192.168.0.22                 11   6   377    41   -25.6s[ -25.6s] +/-   11ms

查看当前的同步状态

[root@localhost ~]# chronyc sourcestats -v
210 Number of sources = 1.- Number of sample points in measurement set./    .- Number of residual runs with same sign.|    /    .- Length of measurement set (time).|   |    /      .- Est. clock freq error (ppm).|   |   |      /           .- Est. error in freq.|   |   |     |           /         .- Est. offset.|   |   |     |          |          |   On the -.|   |   |     |          |          |   samples. \|   |   |     |          |          |             |
Name/IP Address            NP  NR  Span  Frequency  Freq Skew  Offset  Std Dev
==============================================================================
192.168.0.22                9   5   489    -156879  35285.461   -39.4s  1436ms

手动同步一次时间

[root@localhost ~]# chronyc -a makestep
200 OK

 

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