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KVNO(1)				 MIT Kerberos			       KVNO(1)

NAME
       kvno - print key version numbers of Kerberos principals

SYNOPSIS
       kvno  [-c  ccache]  [-e	etype] [-q] [-h] [-P] [-S sname] [-U for_user]
       service1 service2 ...

DESCRIPTION
       kvno acquires a service ticket for the  specified  Kerberos  principals
       and prints out the key version numbers of each.

OPTIONS
       -c ccache
	      Specifies	 the  name  of	a credentials cache to use (if not the
	      default)

       -e etype
	      Specifies the enctype which will be requested  for  the  session
	      key of all the services named on the command line.  This is use‐
	      ful in certain backward compatibility situations.

       -q     Suppress printing output when successful.	 If a  service	ticket
	      cannot  be  obtained, an error message will still be printed and
	      kvno will exit with nonzero status.

       -h     Prints a usage statement and exits.

       -P     Specifies that the service1 service2 ...	arguments  are	to  be
	      treated  as  services  for  which credentials should be acquired
	      using constrained delegation.  This option is  only  valid  when
	      used in conjunction with protocol transition.

       -S sname
	      Specifies	 that  the  service1 service2 ... arguments are inter‐
	      preted as hostnames, and the service principals are to  be  con‐
	      structed	from  those hostnames and the service name sname.  The
	      service hostnames will be canonicalized according to  the	 usual
	      rules for constructing service principals.

       -U for_user
	      Specifies	 that  protocol transition (S4U2Self) is to be used to
	      acquire a ticket on behalf of for_user.  If constrained  delega‐
	      tion  is	not requested, the service name must match the creden‐
	      tials cache client principal.

ENVIRONMENT
       kvno uses the following environment variable:

       KRB5CCNAME
	      Location of the credentials (ticket) cache.

FILES
       FILE:/tmp/krb5cc_%{uid}
	      Default location of the credentials cache

SEE ALSO
       kinit(1), kdestroy(1)

AUTHOR
       MIT

COPYRIGHT
       1985-2013, MIT

1.12.1								       KVNO(1)

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