Backup, check space and delete old file backup

1.Backup file

------------------------script backup.sh---------------------------------------------------------
###mount -o username=administrator,password=xxxx //IP address/Path /mnt/backup

LISTS="/home"
BACKUPLAST=2
BACKUP_PATH="/media/Backup"

DAY_DELETE=`date -d "+%Y%m%d"`
DAY_BACKUP=`date "+%Y%m%d"`
DELETE="${BACKUP_PATH}/${DAY_DELETE}.tar.bz2"
BACKUP="${BACKUP_PATH}/${DAY_BACKUP}.tar.bz2"

if [ -s ${DELETE} ]
then
   rm -rf ${DELETE}
fi
if [ -s ${BACKUP} ]
then
   rm -rf ${BACKUP}
fi
#tar cfvz ${BACKUP} ${LISTS}
tar -jPcf ${BACKUP} ${LISTS}

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2. Check space and send mail every day
-------------------------checkspace.sh----------------------------------------------------------
df -H >checkspace.txt
echo "Check disk space complete" | mutt -a "checkspace.txt" -s "Check disk space complete" -- email@domain.com
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3. delete old file backp
------------------------script removeoldfilebackup.sh--------------------------------------------
find /media/Backup/ -type f -mtime +7 -name '*.bz2' -execdir rm -- {} +
ls -lt /media/Backup > listbackup.txt
echo "Delete old file backup complete" | mutt -a "listbackup.txt" -s "Delete old file backup complete" -- email@domain.com
-----------------------------------------------------------------------------------------------

* find /location/* -type f -mtime +7 -exec rm -rf {} \;

* find /location/findname.log -type f -mtime +7 -exec rm -rf {} \;

4.crontab -l
0 */3 * * * /sbin/service dovecot reload
0 0 * * * /root/./backup.sh
0 4 * * * /root/./checkspace.sh
0 5 * * * /root/./removeoldfilebackup.sh

Reference
removing-files-older-than-7-day