yum -y install rdate
mv /etc/localtime /etc/localtime.old
ln -sf /usr/share/zoneinfo/Asia/Ho_Chi_Minh /etc/localtime
rdate -s rdate.cpanel.net
ln -sf /usr/share/zoneinfo/Asia/Ho_Chi_Minh /etc/localtime
rdate -s rdate.cpanel.net
Open port 37 in csf