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    Sunday, March 02, 2014

    Script to take backup of any critical directory in Unix/Linux

    This is a script which can be used to backup of  your home directory on a day basis where a compressed backup of your home directory /home will be saved inside /backup directory.

    You can put this script in the cron file to take backup regularly as per your requirements.(Replace the parameters in blue as per your requirement)
    #!/bin/bash
    BACKUPDIR=~/backup
    HOMEDIR="/home"
    BACKUPFILE=scripts.backup.`date +%F`.tar.gz
    THRESHOLD=7
    if [ ! -e $BACKUPDIR ];
    then
    echo Creating backup directory it does not exist
    mkdir /backup
    exit 0
    else
    COUNT=`ls $BACKUPDIR/home.* | wc -l`
    fi
    if [ $COUNT -le $THRESHOLD ];
    then
    tar -czvf $BACKUPDIR/$BACKUPFILE $HOMEDIR
    if [ $? != 0 ]; then echo Problems creating backup file; fi
    fi


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