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Overview

When users are off-site or have slow internet connections, displaying graphics can be cumbersome.  PCDS has explored two solutions for this problem:

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This page is about the usage of NoMachine for providing NX technology to users involved in LCLS experiments or operations.

NX Technology

NoMachine NX is supported on Windows, MAC and Linux computers. 

Minimum System Requirements

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.

Installation

You . 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.

Configuration

LCLS is currently making two servers available for remote connections:

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If Ctrl-C (Ctrl-break) does not work on the Linux client, hit the Alt-Ctrl-C (Use it in proper sequence so hold down the key one at a time). WindowsKey-Ctrl-C, or turn on Caps Lock and hit Ctrl-C will also work.

Also see our how-to guide for Diagnosing Network/Connection Problems