Full backup site for linux

backup.sh

#!/bin/sh
now=$(date +"%d%m%y")
backupdir=/usr/backup/$now
mkdir $backupdir
mkdir $backupdir/db

tar -czvf $backupdir/files.tar.gz /var/www

dbuser='XXX'
dbpw='YYY'
mysqldump -u $dbuser -p$dbpw ZZZ | gzip > $backupdir/db/ZZZ.sql.gz

find /usr/backup -type d -mtime +6 -exec rm -rf {} \;