Firstly, You will need to edit the SSH daemon configuration file to enable this like so..
vi /etc/ssh/sshd_config
ChallengeResponseAuthentication no PasswordAuthentication no UsePAM no PermitRootLogin yes
Restart SSH daemon
/etc/rc.d/sshd restart
IT
Firstly, You will need to edit the SSH daemon configuration file to enable this like so..
vi /etc/ssh/sshd_config
ChallengeResponseAuthentication no PasswordAuthentication no UsePAM no PermitRootLogin yes
Restart SSH daemon
/etc/rc.d/sshd restart