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Scope

This document provides information about accounts on the Unified Linux Systems managed by the School of Informatics and Computing. There are many other standalone Linux systems in the school that are not part of the unified configuration and, therefore, this document does not apply to accounts on those systems. If you have any questions about Linux systems within the school, please contact us.

Research File System (RFS) Access

The IU Research File System (RFS) storage space is accessible from Linux using various methods. Here are some basic instructions for accessing RFS on the SoIC Unified Linux machines.

  1. Using SSH/SFTP - You can use sftp to connect to RFS by running:

    sftp username@rfs.iu.edu 
    

    Just replace username with your IU username. This provides a very quick and simple way to access your RFS space.

  2. Using RFSWeb - You can access RFS using a web browser via the URL https://rfs.iu.edu/. Please see the UITS RS KB article for more details.
  3. Using OpenAFS - You can use OpenAFS to access RFS like any other mounted filesystem. In order for this to work, the system must have the openafs kernel module loaded and the openafs daemon must be running. We have this enabled on a limited number of the SoIC unified Linux systems and can enable it on other systems upon request. In order to access RFS via AFS, you first authenticate with:

    % kinit
    % aklog
    

    If you find the the aklog command is not available, then openafs is not installed and you will have to request that it be installed

    You can verify that this worked by running klist which should list two tickets, krbtgt/ADS.IU.EDU@ADS.IU.EDU and afs@ADS.IU.EDU. Note that no arguments are required when using kinit and aklog on the SoIC Linux systems as long as you are logged in using the same username as your IU Network ID. If you are using a different username (which might be the case if you are using a project or class account) or if you are trying to access an AFS cell other than the default ADS.IU.EDU then you may have to provide additional arguments. For example, here is how you can explicitly specify the kerberos realm and AFS Cell for IU:

    kinit username@ADS.IU.EDU
    aklog -c IU.EDU -k ADS.IU.EDU
    

    Once authenticated, your RFS directory will be accessible using a directory path like this:

    /afs/iu.edu/home/u/s/username



    The two directory components after /home are the first and second letters in your username. So, if your username was janedoe, you would find your files residing in /afs/iu.edu/home/j/a/janedoe.

    More information about using OpenAFS to access RFS is available in the UITS Knowledge Base at http://kb.iu.edu/data/arxs.html.