[Oracle DataBase Server 12.1 installation on Oracle Linux 6.7]: Setup actual time
In the file you should setup right ntp server
# vi /etc/ntp.conf
For example:
server 0.rhel.pool.ntp.org
server 1.rhel.pool.ntp.org
server 2.rhel.pool.ntp.org
An additional
# vi /etc/sysconfig/ntpd
replace
# Drop root to id 'ntp:ntp' by default.
OPTIONS="-u ntp:ntp -p /var/run/ntpd.pid"
on
# Drop root to id 'ntp:ntp' by default.
# OPTIONS="-u ntp:ntp -p /var/run/ntpd.pid"
OPTIONS="-x -u ntp:ntp -p /var/run/ntpd.pid"
# service ntpd restart