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A single 4k (3840 x 2160) display requires ~20 Mbps of download speed to support a 1Hz refresh rate.  This may vary depending on the number of high-definition or rapidly changing UI elements being displayed.  The upload requirements are minimal for control, but may limit speed of file transfers from the client to the host.

Note: MAC Clients must install XCode and XQuartz.You can download XQuartz from https://www.xquartz.org.

Installation

You can download the latest version of the client from www.NoMachine.com. Ubuntu/Mint users should download the Debian version of the NoMachine client.

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You will be prompted to setup a login profile when launching the NoMachine for the first time. Select the following options:

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Protocol: SSH
Host: psnxserv.slac.stanford.edu,  Port: 22
Authentication: Use the System Login (not the "NoMachine Login"). Do not select 'Use an alternate server key'. Use Password authentication
Proxy: Don't use a proxy
Save as: Choose a name such as PSNXSERV. You could select 'Create a link on the desktop'
Select Done to finish the setup

You can hit Connect to start the connection.

You may be asked to verify host authenticity. Hit Continue.

You will be asked to type Username and Password. Use your SLAC UNIX account and password and hit OK.

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Code Block
titleNoMachine crash fix
	- Edit the player.cfg on the Windows computer and change the value of this key:
	  <option key="Switch to software decoding on Windows if resolution is bigger than 1920x1080" value="false" />
	  to:
	  <option key="Switch to software decoding on Windows if resolution is bigger than 1920x1080" value="true" />

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Type "ssh -Y psana" to connect to the interactive pool to do data analysis.
 
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Also see our how-to guide for Diagnosing Network/Connection Problems