install ntpd
yum install ntpdate ntp
systemctl start ntpd
systemctl enable ntpd
timedatectl set-ntp true
force resync ntp
service ntpd stop
ntpd -gq
timedatectl status
service ntpd start
sync status
ntpq -p
ntpstat
yum install ntpdate ntp
systemctl start ntpd
systemctl enable ntpd
timedatectl set-ntp true
service ntpd stop
ntpd -gq
timedatectl status
service ntpd start
ntpq -p
ntpstat