Rsync

SSH Rsync
A backup file to B

on B
ssh-keygen
scp ~/.ssh/id_rsa.pub dmtsai@A:~

on A
mkdir .ssh; chmod 700 .ssh
cat id_rsa.pub >> .ssh/authorized_keys
chmod 644 .ssh/authorized_keys


Bakcup Command
sudo rsync -av -e ssh dmtsai@A:/web/* /var/web/ > /var/log/rsync.log 2>&1