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Q: How to scroll up/down in Xterm using keyboard?

A: Shift+Page up/page down


Q: module 'tools' not found

A: All tools should be loaded directly, there is no need to go through the additional step.

Q: Software XYZ is missing, it is available on ComputerOME HPC as a module

A: Contact us, we'll gladly install it for you.

Q: I would like XYZ installed / I need access to XYZ database.

A: Contact us and we'll see what we can do :)


Q: Citrix is downloading some weird files.

A: Those *.ica files are encrypted definitions of the connection to the secure cluster. They have expiration date and will be automatically removed once used by the receiver application.


Q: R does not support PNG

A: Use R/3.2.2 (module load R/3.2.2)

Q: Any tips?

A: If you frequently use a module, it might be a good idea to have it load automatically in your .bashrc file.

Q: I'm using Linux and have problem accessing the Secure Cloud.

A: There are few additional steps required to run the client on Linux systems. The following procedure has been tested with Ubuntu 14.04LTS and Firefox browser: 

  1. Install the receiver from https://www.citrix.com/downloads/citrix-receiver/linux/receiver-for-linux-1321.html 

  2. In Firefox settings go to Add-ons -> Plugins -> Citrix Receiver for Ubuntu -> Set to always activate 

  3. Visit https://support.comodo.com/index.php?/Default/Knowledgebase/Article/View/854/75/root-addtrustexternalcaroot and download the file 

  4. $ sudo mv addtrustexternalcaroot.crt /opt/Citrix/ICAClient/keystore/cacerts 



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