To Stop NTP
systemctl stop ntpd
To configure NTP
more /etc/sysconfig/ntpd
Option 1
# Command line options for ntpd
OPTIONS="-u ntp:ntp -p /var/run/ntpd.pid -g"
Option 2 # for default on Oracle Linux
# Command line options for ntpd
OPTIONS="-g"
Option 3 # maybe you have to add -x in your configuration
OPTIONS="-u ntp -x -p /var/run/ntpd.pid"
Information
The -g option enables ntpd to ignore the offset limit of 1000s and attempt to synchronize the time even if the offset is larger than 1000s
The -p option sets the path to the pid file and
The -u sets the user and group to which the daemon should drop the root privileges.
The -x option to be used as indicated
in the "ntpd" manpage
To enable NTP
systemctl enable ntpd
Created symlink from /etc/systemd/system/multi-user.target.wants/ntpd.service to /usr/lib/systemd/system/ntpd.service.
To Restart NTP
systemctl restart ntpd
