Difference between revisions of "Registration/Login"

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= Login to the Clusters =
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All members of universities and colleges in Baden-Württemberg can use the bwHPC resources.
  
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Prefixes are used to ensure that the usernames assigned by the home organization are unique within the state.
  
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The username for the bwHPC clusters is the same as the one assigned by the university or college, but it is prefixed with two letters for the home institution.
  
   
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{|style="background:#deffee; width:100%;"
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The following list contains all prefixes currently in use.
  
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|style="padding:5px; background:#cef2e0; text-align:left"|
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[[Image:Attention.svg|center|25px]]
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{| style="border:3px solid darkgray; margin: 5em auto 5em auto;"
  
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|style="padding:5px; background:#cef2e0; text-align:left"|
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|-
 
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Access to the clusters (bwUniCluster/bwForCluster) is restricted to IP addresses of universities/colleges from Baden-Württemberg [https://bgpview.io/asn/553#prefixes-v4 (BelWü network)].
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!style="width:200px; background-color:darkgray"| University
  
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If you are outside the BelWü network (e.g. at home), you must first establish a VPN connection to your home university or a connection to an SSH jump host at your home university.
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!style="width:60px; background-color:darkgray"| Prefix
  
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!style="width:120px; background-color:darkgray"| Username bwUniCluster
  
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!style="width:120px; background-color:darkgray"| Username bwForCluster
  
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| Karlsruhe Institute of Technology (KIT)
  
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| ka
  
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| style="color:red;" align="center"| ''<username>''
  
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| style="color:red;" align="center"| ka_''<username>''
  
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|-
  
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| Universität Freiburg
  
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| fr
  
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| colspan="2" align="center"| fr_''<username>''
  
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|-
  
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| Universität Heidelberg
  
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| hd
  
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| colspan="2" align="center"| hd_''<username>''
  
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|-
  
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| Universität Hohenheim
  
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| ho
  
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| colspan="2" align="center"| ho_''<username>''
  
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|-
  
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| Universität Konstanz
  
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| kn
  
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| colspan="2" align="center"| kn_''<username>''
  
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|-
  
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| Universität Mannheim
  
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| ma
  
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| colspan="2" align="center"| ma_''<username>''
  
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|-
  
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| Universität Stuttgart
  
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| st
  
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| colspan="2" align="center"| st_''<username>''
  
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|-
  
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| Universität Tübingen
  
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| tu
  
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| colspan="2" align="center"| tu_''<username>''
  
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|-
  
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| Universität Ulm
  
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| ul
  
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| colspan="2" align="center"| ul_''<username>''
  
 
|}
  
|}
   
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After completing the [[Registration|web registration]] and [[Registration/Password|setting a service password]] the HPC cluster is ready for your '''SSH''' based login.
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{| style="border:3px solid darkgray; margin: 5em auto 5em auto;"
  
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The following options for SSH connections are recommended:
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|-
 
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!style="width:200px; background-color:darkgray"| [[HAW BW e.V.]]
  
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!style="width:60px; background-color:darkgray"| Prefix
  
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!style="width:240px; background-color:darkgray"| Username bwUniCluster/bwForCluster
  
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|-
  
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| Hochschule Aalen
  
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| aa
  
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| align="center"| aa_''<username>''
  
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|-
  
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| Hochschule Albstadt-Sigmaringen
  
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| as
  
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| align="center"| as_''<username>''
  
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|-
  
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| Hochschule Esslingen
  
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| es
  
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| align="center"| es_''<username>''
  
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|-
  
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| Hochschule Heilbronn
  
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| hn
  
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| align="center"| hn_''<username>''
  
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|-
  
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| Hochschule Karlsruhe
  
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| hk
  
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| align="center"| hk_''<username>''
  
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|-
  
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| HTWG Konstanz
  
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| ht
  
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| align="center"| ht_''<username>''
  
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|-
  
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| Hochschule Mannheim
  
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| mn
  
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| align="center"| mn_''<username>''
  
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|-
  
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| Hochschule Offenburg
  
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| of
  
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| align="center"| of_''<username>''
  
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|-
  
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| Hochschule Reutlingen
  
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| hr
  
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| align="center"| hr_''<username>''
  
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|-
  
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| Hochschule Rottenburg
  
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| ro
  
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| align="center"| ro_''<username>''
  
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|-
  
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| Hochschule für Technik Stuttgart
  
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| hs
  
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| align="center"| hs_''<username>''
  
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|-
  
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| Hochschule Ulm
  
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| hu
  
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| align="center"| hu_''<username>''
  
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|}
  
   
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* '''Linux/MacOS:''' Use the <code>ssh</code> command (OpenSSH) in a terminal application.
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* '''Windows:''' Use the [http://mobaxterm.mobatek.net/ MobaXterm] application. Alternatively, you can use virtual machines to run native Linux applications such as SSH. An easy way to use Linux on Windows is to install the "[https://docs.microsoft.com/en-us/windows/wsl/install Windows Subsystem for Linux]".
   
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Every cluster has its own documentation for login.
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=== Examples ===
  
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* If you want to '''login''' to the bwUniCluster, please refer to <br /> &rarr; '''[[bwUniCluster2.0/Login|bwUniCluster 2.0]]'''
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* If you want to '''login''' to one of the bwForClusters, please refer to <br /> &rarr; '''[[BinAC/Login|BINAC]]''' <br /> &rarr; '''[[JUSTUS2/Login|JUSTUS 2]]''' <br /> &rarr; '''[[Helix/Login|Helix]]''' <br /> &rarr; '''[[NEMO/Login|NEMO]]'''
   
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= General Login Information =
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* If you are a member of the University of Konstanz and your local username is <code>ab1234</code>, your username on any bwHPC cluster is <code>kn_ab1234</code>.
  
   
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Following sub-pages go into deeper detail about the following topics:
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* If your local username for the university is <code>vwxyz1234</code> and you are a user from the University of Freiburg this would combine to the following SSH command:
  
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* [[Registration/Login/Username|How do I find out my cluster username?]]
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ssh -l fr_vwxyz1234 ''<login>''
  
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* [[Registration/Login/Hostname|What are the hostnames of the login nodes of a cluster?]]
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* [[Registration/Login/Client|Which client should I use to connect to the cluster?]]
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These pages are also referenced in the cluster-specific login documentations.
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= Allowed Activities on Login Nodes =
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{|style="background:#deffee; width:100%;"
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|style="padding:5px; background:#cef2e0; text-align:left"|
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[[Image:Attention.svg|center|25px]]
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|style="padding:5px; background:#cef2e0; text-align:left"|
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To guarantee usability for all the users of clusters you must not run your compute jobs on the login nodes.
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Compute jobs must be submitted to the queuing system.
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Any compute job running on the login nodes will be terminated without any notice.
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Any long-running compilation or any long-running pre- or post-processing of batch jobs must also be submitted to the queuing system.
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|}
   
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The login nodes of the bwHPC clusters are the access point to the compute system, your <code>$HOME</code> directory and your workspaces.
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* KIT users logging into bwUniCluster do not need to use a prefix, but if they are using a bwForCluster. If you are a KIT user and your username is <code>pxd27239</code>, your login names would be for the clusters:
  
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These nodes are shared with all the users therefore, your activities on the login nodes are limited to primarily set up your batch jobs.
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** bwUniCluster: <code>pxd27239</code>
  
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Your activities may also be:
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** bwForCluster: <code>ka_pxd27239</code>
  
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* '''short''' compilation of your program code and
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* '''short''' pre- and post-processing of your batch jobs.

Revision as of 11:11, 31 January 2023

1 Login to the Clusters

Attention.svg

Access to the clusters (bwUniCluster/bwForCluster) is restricted to IP addresses of universities/colleges from Baden-Württemberg (BelWü network). If you are outside the BelWü network (e.g. at home), you must first establish a VPN connection to your home university or a connection to an SSH jump host at your home university.

After completing the web registration and setting a service password the HPC cluster is ready for your SSH based login. The following options for SSH connections are recommended:

  • Linux/MacOS: Use the ssh command (OpenSSH) in a terminal application.
  • Windows: Use the MobaXterm application. Alternatively, you can use virtual machines to run native Linux applications such as SSH. An easy way to use Linux on Windows is to install the "Windows Subsystem for Linux".

Every cluster has its own documentation for login.

2 General Login Information

Following sub-pages go into deeper detail about the following topics:

These pages are also referenced in the cluster-specific login documentations.

3 Allowed Activities on Login Nodes

Attention.svg

To guarantee usability for all the users of clusters you must not run your compute jobs on the login nodes. Compute jobs must be submitted to the queuing system. Any compute job running on the login nodes will be terminated without any notice. Any long-running compilation or any long-running pre- or post-processing of batch jobs must also be submitted to the queuing system.

The login nodes of the bwHPC clusters are the access point to the compute system, your $HOME directory and your workspaces. These nodes are shared with all the users therefore, your activities on the login nodes are limited to primarily set up your batch jobs. Your activities may also be:

  • short compilation of your program code and
  • short pre- and post-processing of your batch jobs.
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