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    Command:

    ThisCell

    
    
    

    DESCRIPTION

           The ThisCell file defines the local cell name.  There are two versions
           of this file, one for a AFS client and one for an AFS server.
    
       Client ThisCell
           The client version of the ThisCell file defines the complete Internet
           domain-style name (for example, "abc.com") of the cell to which the
           local client machine belongs. It must reside in the /etc/openafs
           directory on every AFS client machine. To change a client machine's
           cell membership, edit the file and reboot the machine.
    
           The file is in ASCII format and contains a character string on a single
           line. The OpenAFS Quick Start Guide instructs the administrator to
           create it during the installation of each client machine.
    
           The client machine's cell membership determines three defaults
           important to its functioning:
    
           ?   The cell in which the machine's users authenticate by default.  The
               effect is two-fold:
    
               ?   The AFS-modified login utilities and the klog command
                   interpreter contact an Authentication Server in the cell named
                   in the ThisCell file (unless -cell argument to the klog command
                   specifies an alternate cell).
    
               ?   The command interpreters combine the cell name with the
                   password that the user provides, generating an encryption key
                   from the combination. For authentication to succeed, both the
                   cell name and password must match the ones used to generate the
                   user's encryption key stored in the Authentication Database.
    
           ?   The cell the Cache Manager considers its local, or home, cell. By
               default, the Cache Manager allows programs that reside in its home
               cell to run with setuid permission, but not programs from foreign
               cells. For more details, see the fs getcellstatus and fs setcell
               reference pages.
    
           ?   Which AFS server processes the local AFS command interpreters
               contact by default as they execute commands issued on the machine.
    
           The client version of the ThisCell file is distinct from the server
           version, which resides in the /etc/openafs/server directory on each AFS
           server machine. If a server machine also runs as a client, it is
           acceptable for the server and client versions of the file on the same
           machine to name different cells. However, the behavior that results
           from this configuration can be more confusing than useful.
    
       Server ThisCell
           The server version of the ThisCell file defines the complete Internet
           domain-style name (for example, "abc.com") of the cell to which the
           server machine belongs. It must reside in the /etc/openafs/server
           each user and server password and converts the combination into an
           encryption key before recording it in the Database.
    
    
    

    SEE ALSO

           bos_setcellname(8), fs_getcellstatus(1), fs_setcell(1)
    
    
    

    COPYRIGHT

           IBM Corporation 2000. <http://www.ibm.com/> All Rights Reserved.
    
           This documentation is covered by the IBM Public License Version 1.0.
           It was converted from HTML to POD by software written by Chas Williams
           and Russ Allbery, based on work by Alf Wachsmann and Elizabeth Cassell.
    
    
    

    OpenAFS 2012-03-26 THISCELL(5)

    
    
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