BwUniCluster 2.0 User Access

bwUniCluster is Baden-Württemberg's general purpose tier 3 high performance computing (HPC) cluster co-financed by Baden-Württemberg's ministry of science, research and arts and the shareholders:

• Karlsruhe Institute of Technology (KIT)
• University of Mannheim
• University of Heidelberg
• University of Stuttgart
• University of Tübingen
• University of Ulm
• University of Freiburg
• University of Konstanz

To login on bwUniCluster an user account is required. All members of the shareholder universities can apply for an account.

Registration

Granting access and issueing an user accounts for bwUniCluster requires to fill in the bwUniCluster application form and to sign the terms of usage. Once approved please register for an user account.

Step 1: Application Form / Terms of Usage

Please fill in and sign the application form provided by your university:

• Application form for members of KIT
• Application form for members of the University of Mannheim
• Application form for members of the University of Heidelberg
• Application form for members of the University of Stuttgart
• Application form for members of the University of Tübingen
• Application form for members of the University of Ulm
• Application form for members of the University of Freiburg
• Application form for members of the University of Konstanz

Step 2: Web Registration

Once your application form has been approved please visit:

• https://bwidm.scc.kit.edu/
  • login with your home-organizational user account and user password,
  • select service bwUniCluster (on the left side) and
  • follow the instructions to complete the registration.

Login

After finishing the web registration bwUniCluster is ready for your SSH based login. bwUniCluster has two dedicated login nodes. The selection of the login node is done automatically and is based on load balancing. Logging in another time the session might run on the other login node.

Only the secure shell SSH is allowed to login. Other protocols like telnet or rlogin are not allowed for security reasons.

A connection to bwUniCluster can be established by the command:

$ ssh <UserID>@uc1.scc.kit.edu

If you are using OpenSSH (usually installed on Linux based systems) and you want to use a GUI-based application on bwUniCluster you should use the ssh command with the option -X

$ ssh -X <UserID>@uc1.scc.kit.edu

About <UserID>

<UserID> of the ssh command is a placeholder for your username at your home organization together with a prefix as followed:

• KIT: <UserID> = username (without any prefix)
• Mannheim: <UserID> = ma_username
• Heidelberg: <UserID> = hd_username
• Stuttgart: <UserID> = st_username
• Tübingen: <UserID> = tu_username
• Ulm: <UserID> = ul_username
• Freiburg: <UserID> = fr_username
• Konstanz: <UserID> = kn_username

First steps on bwUniCluster

For setting up your environment to use compilers and installed software please visit:

• bwUniCluster user environment

For guides on how to submit jobs on bwUniCluster please visit:

• bwUniCluster job submission

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