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KDESTROY(1)                                                        KDESTROY(1)



NAME
       kdestroy - destroy Kerberos tickets

SYNOPSIS
       kdestroy [-A] [-q] [-c cache_name]

DESCRIPTION
       The  kdestroy  utility destroys the user's active Kerberos authorization tickets by writing zeros to the speci-
       fied credentials cache that contains them.  If the credentials cache is not specified, the default  credentials
       cache is destroyed.

OPTIONS
       -A     Destroys  all  caches  in the collection, if a cache collection is available.  -q Run quietly.  Normally
              kdestroy beeps if it fails to destroy the user's tickets.  The -q flag suppresses this behavior.

       -c cache_name
              use cache_name as the credentials (ticket) cache name and location; if this  option  is  not  used,  the
              default cache name and location are used.

              The  default credentials cache may vary between systems.  If the KRB5CCNAME environment variable is set,
              its value is used to name the default ticket cache.

       Most installations recommend that you place the kdestroy command in your .logout file, so that your tickets are
       destroyed automatically when you log out.

ENVIRONMENT
       Kdestroy uses the following environment variables:

       KRB5CCNAME      Location  of  the default Kerberos 5 credentials (ticket) cache, in the form type:residual.  If
                       no type prefix is present, the FILE type is assumed.  The type of the default cache may  deter-
                       mine  the  availability of a cache collection; for instance, a default cache of type DIR causes
                       caches within the directory to be present in the collection.

FILES
       /tmp/krb5cc_[uid]  default location of Kerberos 5 credentials cache ([uid] is the decimal UID of the user).

SEE ALSO
       kinit(1), klist(1), krb5(3)

BUGS
       Only the tickets in the specified credentials cache are destroyed.  Separate ticket caches  are  used  to  hold
       root  instance and password changing tickets.  These should probably be destroyed too, or all of a user's tick-
       ets kept in a single credentials cache.



                                                                   KDESTROY(1)