第 2 章 Using chrony

The chrony suite is installed by default on Red Hat Enterprise Linux. To ensure that it is, run the following command as root:

# dnf install chrony

The default location for the chrony daemon is /usr/sbin/chronyd. The command line utility will be installed to /usr/bin/chronyc.

To check the status of chronyd, issue the following command:

$  systemctl status chronyd
chronyd.service - NTP client/server
   Loaded: loaded (/usr/lib/systemd/system/chronyd.service; enabled)
   Active: active (running) since Wed 2013-06-12 22:23:16 CEST; 11h ago

To start chronyd, issue the following command as root:

# systemctl start chronyd

To ensure chronyd starts automatically at system start, issue the following command as root:

# systemctl enable chronyd

To stop chronyd, issue the following command as root:

# systemctl stop chronyd

To prevent chronyd from starting automatically at system start, issue the following command as root:

# systemctl disable chronyd