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BL14.2 Specific Information

Further information for remote access of BL14.2


Find detailed beamline information here  

Startup the NoMachine connection

A prerequisite to connect to our experimental infrastructure is a successful connection to our NoMachine server foris.helmholtz-berlin.de using the rex_account credentials via the NoMachine client software.
After a successful login, you should be able to select one of the possible machine connections :


BL142 Foris Login

NoMachine screen with available BL14.2 computers

Connection setup

You can reach this menu either when creating a new connection or at any time during your session by pressing the keyboard combination Ctrl+Al+0 (Fn+Ctrl+0 on a Mac). Alternatively, during your session, you can reach out to the upper-right edge of your connection screen and click on the "rolling corner." In the menu, you need to select the display button. Please never select the check-box: "change the server resolution..." Select the "Fit to display" display option to map the remote screen to your local screen size and resolution.

NoMachine settings menu

NoMachine display settings

NoMachine settings menu

NoMachine display settings

Select the "Change settings" icon in the bottom right screen and turn the "Quality" and "Resolution" slider to the right to maximize the quality of the remote connection. 
These settings are important to enable a good video quality of the zoom microscope to center your samples properly.

BL14.2 available video streams

At BL14.2 several high-definition video cameras provide live streams. You can only connect during your session to the following streams:


BL14.2 computing environment

At BL14.2, you can connect to these machines:

BL142 MXCuBE control:
MXCuBE control machine, dual monitor, login/out using your px-credentials

BL142 Processing:
Multi-core, data processing machine, xdsapp evaluations, login/out using your px-credentials

BL142 Data Backup:
terminal machine to be used at users' requirements, login/out using your px-credentials. 

Always log out from these machines after your data collection time! 


BL14.2 MXCuBE Control

Startup sequence:

  1. Login to mxcube142b with your px-credentials
  2. Add the appropriate keyboard layout in case you are not connected with an English layout keyboard.
  3. Right-click open terminal windows
  4. Launch the control environment with <run_mxcube> to start mxcube and run_adxv  (alternative launch commands: <run_142> to launch both at once)
  5. In another terminal window, start <firefox> and connect to http://cam8.psf.bessy.de
  6. You may also connect to video streams http://cam2.psf.bessy.de and http://cam5.psf.bessy.de if necessary.

Stop sequence:

  1. Close MXCuBE application
  2. Close ADXV application
  3. Close Firefox
  4. Logout of mxcube141
  5. Disconnect from the respective NoMachine session

BL14.2 Processing Server

Startup sequence:

  1. Login to "14.2 Processing" via a new NX session
  2. Use your px-credentials to log in
  3. Add the appropriate keyboard layout in case you are not connected with an English layout keyboard.
  4. Right-click open terminal windows and type "hkl7"
  5. You might be asked to confirm the login: Type "YES"
  6. If a password is requested, use the pX-account password
  7. Launch xdsapp with <xdsapp3> to start the processing GUI

Stop sequence:

  1. Close all application
  2. Logout from the "14.2 Processing" machine
  3. Then disconnect from the NoMachine session