how to Change Backup time

My backup always start at 1 AM, can i change it?, yes u can :

1 . open your cron at with
# vi /var/spool/cron/root

2. Change this cron
0 1 * * * /scripts/cpbackup into 0 0 * * * /scripts/cpbackup , it mean will backup at 00.00

thats how it is