sudo apt-get install libpam-radius-auth edit $ sudo vim /etc/pam_radius_auth.conf find other-server    other-secret       3 change to 192.168.x.x secretkey 3 Edit your /etc/pam.d/sshd file and add the line: auth       sufficient  pam_radius_auth.so Just above: # Standard Un*x authentication. @include common-auth had to update firewall config and configure radius to accept auths from this IP using this to upload […]