Rehl7 设置ntp服务，同步指定服务器时间。Ntp改为chrony
vim /etc/chrony.conf
server classroom.example.com iburst
systemctl restart chronyd.service
[root@desktop0 ~]# 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
|| / xxxx = adjusted offset,
|| Log2(Polling interval) -. | yyyy = measured offset,
|| \ | zzzz = estimated error.
|| | |
MS Name/IP address Stratum Poll Reach LastRx Last sample
===============================================================================
^* classroom.example.com 8 6 177 98 -1722ns[-5693us] +/- 1191us
[root@desktop0 ~]#
Rehl7 设置ntp服务，同步指定服务器时间。Ntp改为chrony
原文：http://4708948.blog.51cto.com/4698948/1701889