now i will expalin how you can get (daily , weekly, monthly) auto backup (by server)
first use this command at shell

Code:
mkdir backup 
cd backup 
mkdir cpbackup 
cd cpbackup 
mkdir daily 
mkdir weekly 
mkdir monthly
then change permission to folders to 711 by using this coomands at shell

Code:
chmod 711 /backup 
chmod 711 /backup/cpbackup 
chmod 711 /backup/cpbackup/daily 
chmod 711 /backup/cpbackup/weekly 
chmod 711 /backup/cpbackup/monthly
then go to
Whm>>>main>>backup>>configure backup
to configure backup setting