[root@CENTOS72 user]# systemctl start chronyd [root@CENTOS72 user]# systemctl status chronyd ● chronyd.service - NTP client/server Loaded: loaded (/usr/lib/systemd/system/chronyd.service; enabled; vendor preset: enabled) Active: active (running) since 木 2018-03-08 19:03:36 JST; 8s ago Docs: man:chronyd(8) man:chrony.conf(5) Process: 2450 ExecStartPost=/usr/libexec/chrony-helper update-daemon (code