Since June 2019, all beamline computers have been upgraded to Linux Redhat 7.
The default graphical interface has changed from KDE to Gnome3 and will look slightly different from the previous one.
Starting your session requires the usual FedID/password authentication or, for remote users, to set up a connection to Diamond via NoMachine.
Once the Desktop is visible, you should be able to find the usual folders:
- DLS_Launchers for the commonly used software programs
- iXX_Launchers for running GDA
Should these icons not appear on the screen, simply open a terminal (right click on the desktop – Open Terminal). A new set of icons will be created on the desktop.
Please note, this will only create the iXX_Launchers icon for the current beamline you are logged into.
Beamline launchers are showing the same functionalities
Click on the GDA icon to start GDA client (and begin data collection).
To avoid confusion, “restart GDA server” and “Log Display” are still present but associated to blank icons.
Obsolete icons are not available anymore and new ones give access to new features.
The new desktop environment comes with a top bar with added functionalities. We have embedded quick launchers here.
To open the DLS_launchers right click on the green MX icon at the top right of the screen. The launchers will be displayed in a dropdown menu.
The GDA icon in the same area of the screen can be used to launch the client or restart the server if needed (right click to select the options).
Other applications (Office tools, accessories, utilities) can be launched by left-clicking on the Applications dropdown menu at the top left-hand side of the desktop.
Multiple workspaces can be selected from the numbers next to the applications menu at the top left of the desktop.
Further customization is possible by typing “gnome-tweaks” on a terminal.
Outside of beamtime or if you wish to use the cluster the NX -NoMachine connection will be directed to a random node within Diamond when you choose the option "Automatically select a node" when logging in via NX. This allows data processing using our cluster facilities and customized software.
As it is not associated to a specific beamline, launching GDA client will be prevented (an error message will appear if you click on the icon). If you intend to control a beamline experiment within your data collection visit time, simply restart your NoMachine client and selet the appropriate node (e.g. "_i03_ Workstation 1" if your are collecting on I03)
When logging into any other node, the desktop might appear different. You will not see the MX and GDA launcher icons on the top right of the screen. Desktop icons might be missing.
To rectify this, you will need to open the "tweaks tool" following this procedure;
Note that some of the cluster nodes are still be running Redhat 6. As selecting -any other node- picks a random available node, you might still be presented with the old system. Upgrade of all machines is ongoing and should be completed soon.
In case your node is running Redhat 7, the configuration will be different from that of a beamline computer. To reveal the launchers:
Please ensure you close your GDA client and log out of your NoMachine session after collecting data. This ensures beamline workstations are fully available for users wanting to collect data and for staff to support them.
Sometimes logging into a workstation takes a bit longer than usual. If the desktop does not appear within 1 minute or the icons are not responsive, simply disconnect and try again.
If you notice and wish to report any other issue, please share this information with your Local Contact. We appreciate your patience and cooperation in this transition phase.
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