Full system backup that runs once a week

system_backup.sh

#!/bin/sh

######################################################
# This script executes a full system backup.
#
# A cron job should run this weekly.
# 0 3 * * 0 sh /home/bcalloway/scripts/system_backup.sh > /dev/null
#
# 2014-04-01 Brandon Calloway
######################################################

# initial GoogleDrive sync
grive

DATE=`date +%Y-%m-%d%n`

#first remove the old timestamp file
/bin/rm -f /var/log/usr.snar

#remove the old backups
/bin/rm -f /mnt/GoogleDrive/backups/*

#create the new full backup
/bin/tar -cvpzf /mnt/GoogleDrive/backups/$DATE.full.tar.gz --exclude=/mnt/GoogleDrive --exclude=/home/bcalloway/_backup --listed-incremental=/var/log/usr.snar --one-file-system /

# final GoogleDrive sync
grive