Under Address > Name the connection something like 'Connection to NERSC'.Open the NoMachine client and click on the green Add icon in the upper left corner.Note that you must do this once every day to generate a new key. Install sshproxy on your laptop and generate an SSH key.First exit the NoMachine program and then edit $HOME/.nx/config/player.cfg and change the following key from library to native: You must edit this file while NoMachine is closed/not running. Not shown in video but required: To enable sshproxy in NoMachine, you will need to edit one of the NoMachine config files on your local machine.Authenticate via sshproxy (Mac or Linux)Ĭheck out this video (note the Client version is old but the general settings remain the same) which shows you how to install NoMachine from scratch and configure using sshproxy. To set up your first NoMachine connection, select your desired authentication method below and follow the instructions. You will need to regenerate your ssh key pair with sshproxy once a day, but once your key is generated the NoMachine Client will automatically connect. If you don't want to reauthenticate with your password and a new one-time code every time the NoMachine Client is disconnected, using sshproxy is strongly recommended. This means either using your NERSC password and one-time-code every time you connect to NoMachine, or configuring sshproxy to generate a daily SSH key pair. NoMachine at NERSC is hosted via the SSH protocol, so you must configure your connection to NERSC to authenticate via SSH. To use NoMachine at NERSC, you will first need to download and install the appropriate version of the NoMachine Enterprise Client for the operating system on your laptop or workstation. Getting Started with NoMachine ¶ Install the NoMachine Client ¶ If you would prefer to use the lighter-weight Xfce desktop, please see Use Xfce instead of GNOME further down this page. Most of the instructions on this page assume the use of the GNOME desktop environment. The current default environment on NERSC NoMachine nodes is GNOME desktop running on CentOS linux. NoMachine also allows a user to disconnect from a session and reconnect to it at a later time while keeping the state of all running applications inside the session. NoMachine can greatly improve the response time of X Windows and is the recommended method of interacting with GUIs and visualization tools running on NERSC resources. NoMachine (formerly NX) is a computer program that handles remote X Window System connections and offers several performance improvements over traditional X11 forwarding.

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