https://wiki.archlinux.org/index.php/Full_System_Backup_with_rsync
http://serverfault.com/questions/189574/allow-root-login-from-one-ip-address-only
- Edit sshd_config (usually in /etc/ssh), and add or change the following directives
PermitRootLogin yes
AllowUsers root@thehosttoallow
- Then restart the daemon
service ssh restart
PermitRootLogin without-password
Marche mais il faut rajouter root dans allow user
- Configure the sshd
http://www.faqs.org/docs/securing/chap15sec122.html