install backup pc ubuntu
sudo apt-get install backuppc
=>save the user name and password.
then you set up the config by cgi:
if your appache is started correctly.
if backup linux, we use rsync for ssh tunnel. We need to setup a ssh tunnel to establish the connection. So it's a common exchange public key process. see this;
also, backup pc suggest to use mod_perl for apache. Which will greatly increase the execution speed.