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KINIT(1)		    General Commands Manual		      KINIT(1)

       kinit - Kerberos	login utility

       kinit [ -irvlp ]

       The  kinit  command is used to login to the Kerberos authentication and
       authorization system.  Note that	only registered	Kerberos users can use
       the  Kerberos  system.  For information about registering as a Kerberos
       user, see the kerberos(1) manual	page.

       If you are using	a replaced login that already fetches tickets for you,
       you do not have to use kinit.  You will need to use kinit only in those
       situations in which your	original tickets have expired.	 (Tickets  ex-
       pire  in	about a	day.)  Note as well that the modified login will auto-
       matically destroy your tickets when you logout from the workstation.

       When you	use kinit without options, the utility prompts for your	 user-
       name  and  Kerberos password, and tries to authenticate your login with
       the local Kerberos server.

       If Kerberos authenticates the login attempt, kinit retrieves your  ini-
       tial  ticket and	puts it	in the ticket file specified by	your KRBTKFILE
       environment variable.  If this variable is undefined, your ticket  will
       be  stored in the /tmp directory, in the	file tktuid , where uid	speci-
       fies your user identification number.

       If you have logged in to	Kerberos without the benefit of	 the  modified
       login  program,	make  sure you use the kdestroy	command	to destroy any
       active tickets before you end your login	session.  You may want to  put
       the  kdestroy command in	your .logout file so that your tickets will be
       destroyed automatically when you	logout.

       The options to kinit are	as follows:

       -i     kinit prompts you	for a Kerberos instance.

       -r     kinit prompts you	for a Kerberos realm.  This  option  lets  you
	      authenticate yourself with a remote Kerberos server.

       -v     Verbose  mode.   kinit  prints the name of the ticket file used,
	      and a status message indicating the success or failure  of  your
	      login attempt.

       -l     kinit prompts you	for a ticket lifetime in minutes.  Due to pro-
	      tocol restrictions in Kerberos Version 4,	this value must	be be-
	      tween 5 and 1275 minutes.

       -p     kinit will acquires a ticket for changepw.kerberos.

       kerberos(1), kdestroy(1), klist(1), login(1)

       The -r option has not been fully	implemented.

       Steve Miller, MIT Project Athena/Digital	Equipment Corporation
       Clifford	Neuman,	MIT Project Athena

MIT Project Athena	     Kerberos Version 4.0		      KINIT(1)


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