Information on Logging into the Cluster

Cluster User Accounts

Lab members of labs that pay for Cluster Access and Support are qualified to use the CNBC Cluster.

In order to log onto the CNBC Cluster, each user must have a personal "SCS user account" (note that this is different from an account on raptor). Although we will NOT support lab accounts, we do support lab and project directories and UNIX groups to share files. An SCS user account will provide you with a Kerberos ID and password that can be used to login to the Cluster.

If you do not have an account on the CNBC Cluster, you can apply for one by returning (fax or email) a new user form.

Please return the SCS user account form to the CNBC's Manager Computing Resources, David Pane. (The CNBC does pay a monthly fee for each SCS user account, so we ask that you only apply for an account if you plan to use the cluster.)

Notes for when you are filling out the account application:

  • If you don't already have a CMU Computer Science Department account, select "Cluster User".
  • The Cluster Name is: Psycho
  • Leave the Sponsor Information and Oracle String/Budge Number Blank.
When David processes the application, he will need to know your PI's name. If you already have an CMU SCS account or had one in the past, please let him know that as well.

Information you may find helpful when logging onto the Cluster.

Users are required to log onto the Cluster's Head Node ( psych-o.hpc1.cs.cmu.edu ) using the SCS user id and password over a secure connection. This method of login is is called SSH. Macs have a built-in application for SSH that can be accessed at the command line. Locate the command line by launching
terminal, located in your /Applications/Utilities folder. Windows users can find many different programs for SSH. One of the most popular of these is PuTTY.

Once you log in with SSH, you will be presented with a standard Linux command prompt.

UNIX Shell:

ssh -Y <userID>@psych-o.hpc1.cs.cmu.edu (where "userID" is your CMU SCS userID)

Windows
  1. Open a secure terminal session using PuTTY, SSH Tectia - Terminal or a similar application. You can us a X-Win 32 session if you wish to do more than command line work.
  2. Click Quick Connect in the toolbar and type the following:
    Host Name: psych-o.hpc1.cs.cmu.edu
    User Name: your SCS userID
  3. Click Connect.
    Note: You may receive a prompt from your terminal application regarding connection keys. Select an option and click OK.
  4. When prompted, enter your CMU SCS password and press Enter.
  5. To end your session, click the Disconnect icon in the toolbar and then click Yes.
Macintosh
  1. Open a Terminal session. (You can use this X Window System software on your Mac, if you wish to do more than command line work. http://xquartz.macosforge.org/landing/)
  2. In the Terminal window, type the following command:
    ssh -Y -C -l userID psych-o.hpc1.cs.cmu.edu
    (where "userID" is your CMU SCS userID) and press Return.
  3. If this is your first time connecting to the Linux timeshare server, you may encounter a message similar to "The authenticity of host 'psych-o.hpc1.cs.cmu.edu' can't be established. Are you sure you want to continue connecting (yes/no)?" Type yes and press Return.
  4. When prompted, enter your password and press Return.
  5. Use UNIX commands to navigate and access the software.
  6. To end your session, type exit.

-- David Pane - 2015-04-29

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Topic revision: r3 - 2015-06-11 - dpane
 
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