centos8 时钟同步

• 加入开启启动
  systemctl enable chronyd

• 启动chronyd
  systemctl start chronyd

• 设置时区
  cp /usr/share/zoneinfo/Asia/Shanghai /etc/localtime #

• 设置NTP同步时间
  timedatectl set-ntp true #

• 修改时间
  date -s “18:00” #
  date -R

• 重启服务
  systemctl restart chronyd

• 同步时间
  chronyc sources -v #
  date -R # 查看是否是当前时间
  

• 加入定时任务
  echo “*/10 * * * * systemctl restart chronyd && chronyc sources -v” >> /var/spool/cron/root

参考：

https://blog.csdn.net/qq_42769013/article/details/105900383?utm_medium=distribute.pc_relevant.none-task-blog-BlogCommendFromMachineLearnPai2-3.channel_param&depth_1-utm_source=distribute.pc_relevant.none-task-blog-BlogCommendFromMachineLearnPai2-3.channel_param