Generates a key that I store on the backup server which allows me to copy files over without asking for a password
ssh-keygen -t rsa
# hit return three times
This copies the newly generated key to the backup server
ssh-copy-id -i ~/.ssh/id_rsa.pub root@192.168.3.253
# enter your password for username on remote_host
This will be the cron commands that we run each week. This will backup freepbx and the phone config files
rsync -ave ssh /var/lib/asterisk/backups/ 192.168.3.253:/var/lib/asterisk/backups/
rsync -ave ssh /tftpboot/ 192.168.3.253:/tftpboot/
for Elastix run
rsync -ave ssh /var/www/backup/ 192.168.3.253:/var/www/backup/