CentOS8系统同步时间

一、安装chrony

 

安装chrony
yum install -y chrony

启动 chrony
systemctl start chronyd

设为系统自动启动
systemctl enable chronyd

 

二、编辑配置etc/chrony.conf

 

[root@zabbix ~]# cat /etc/chrony.conf
# Use public servers from the pool.ntp.org project.
# Please consider joining the pool (http://www.pool.ntp.org/join.html).
#pool 2.centos.pool.ntp.org iburst
server ntp.aliyun.com iburst
server cn.ntp.org.cn iburst

 三、重新加载配置并测试

[root@zabbix ~]# systemctl restart chronyd.service
[root@zabbix ~]# chronyc sources -v

  .-- Source mode  '^' = server, '=' = peer, '#' = local clock.
 / .- Source state '*' = current best, '+' = combined, '-' = not combined,
| /             'x' = may be in error, '~' = too variable, '?' = unusable.
||                                                 .- 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               
===============================================================================
^* 203.107.6.88                  2   6     7     1   -669us[ +144us] +/-   48ms
^- 114.67.237.130                2   6     7     2  -1577us[ -764us] +/-  226ms