标签(空格分隔): centos7 系统 1. 查看ntp服务命令: [root@node1 ~]# systemctl status ntpd * ntpd.service - Network Time Service Loaded: loaded (/usr/lib/systemd/system/ntpd.service; disabled; vendor preset: disabled) Active: inactive (dead) 可以看到状态为:inactive,也就是没有启动nt…