Install FreeNX on Debian 7.1 wheezy

• Download and run the script
• Secure ssh:
  • Create a group nxusers and add all the users require remote NX access to the group:e.g.

    sudo groupadd nxusers
    sudo usermod -a -G nxusers wilson

  • Edit /etc/ssh/sshd_config as root:
    1. Enable PubkeyAuthentication for all:

       PubkeyAuthentication yes

    2. Disable PasswordAuthentication for all:

       PasswordAuthentication no

    3. Allows PasswordAuthentication only for the FreeNX users by appending the following line to sshd_config:

       Match Group nxusers 
           PasswordAuthentication yes

       or if you want to allow individual users:

       Match User john alex
           PasswordAuthentication yes

  • Restart ssh server:

    sudo /etc/init.d/ssh reload