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This instructions cover ONLY the connections from a centre ECMWF desktop or laptop connected to the LAN or the VPN.

If you're outside the LAN and can't use the VPN client (for instance, because you're using a personally owned device), then follow these instructions instead: Remote access Suse 13.1 linux desktops

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Info
titleIMPORTANT
  • You will be accessing the desktop layout currently running in your physical desktop, so:
    • For a more comfortable user experience, the native resolution of the NX client should match as better as possible with the resolution of the workstation being accessed to
    • Everything that was left running (documents, folders, browser windows, etc) will be shown in the NX session
    • When the NX session is closed, everything that was left running (documents, folders, browser windows, etc) will be shown in the physical desktop or further NX sessions
  • For Due to security reasons, when you access your desktop remotely, the physical screen of your desktop will be turned off
  • So, if the remote session is not closed in the remote end, the physical screen of the desktop will remain black. To work around this, take before a reset of the workstation, which will get the output back but might result in loss of unsaved work, the following steps can be tried as a recommended approach:
    • Start another NX session, for instance from any other workstation of the ECMWF
    • This session will take the ownership of the screen
    • The previously running session will should be terminated automatically as soon as the display is shown in the new one
    • Close the newly opened resumed session
    • The screen output will should be sent back to the physical screen
  • A quickest way to bring the display back to the local monitor would be:
    • Open a SSH session from a different workstation to the affected one, using the same user account that was used to stablish the NX connection
    • Copy the following command and paste it into the console: pkill -f "nxnode.bin -H"
    • Please be aware that, although this method has been tested and will produce the expected result flawlessly most of the times, in some particular scenarios the aforementioned command might result in a reset of the running session and should be used only as the last resource before a reset of the workstation if the first method explained above can't be used for some reason and / or an eventual log-off wouldn't matter to the user
  • If the Linux workstation has two monitors attached, the screen layout may appear incorrectly after disconnecting an NX session. To fix this:
    • Click in the KDE start button
    • Type "display" in the search box
    • Select "display configuration"
    • Drag the secondary monitor and drop it back in its intended position
    • Click "apply"

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