243 lines
5.0 KiB
Groff
243 lines
5.0 KiB
Groff
.\" $Id: kinit.1,v 1.20 2002/08/28 16:09:36 joda Exp $
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.\"
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.Dd May 29, 1998
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.Dt KINIT 1
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.Os HEIMDAL
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.Sh NAME
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.Nm kinit
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.Nm kauth
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.Nd acquire initial tickets
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.Sh SYNOPSIS
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.Nm kinit
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.Op Fl 4 | Fl -524init
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.Op Fl 9 | Fl -524convert
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.Op Fl -afslog
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.Oo Fl c Ar cachename \*(Ba Xo
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.Fl -cache= Ns Ar cachename
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.Xc
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.Oc
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.Op Fl f | Fl -forwardable
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.Oo Fl t Ar keytabname \*(Ba Xo
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.Fl -keytab= Ns Ar keytabname
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.Xc
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.Oc
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.Oo Fl l Ar time \*(Ba Xo
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.Fl -lifetime= Ns Ar time
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.Xc
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.Oc
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.Op Fl p | Fl -proxiable
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.Op Fl R | Fl -renew
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.Op Fl -renewable
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.Oo Fl r Ar time \*(Ba Xo
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.Fl -renewable-life= Ns Ar time
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.Xc
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.Oc
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.Oo Fl S Ar principal \*(Ba Xo
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.Fl -server= Ns Ar principal
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.Xc
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.Oc
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.Oo Fl s Ar time \*(Ba Xo
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.Fl -start-time= Ns Ar time
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.Xc
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.Oc
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.Op Fl k | Fl -use-keytab
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.Op Fl v | Fl -validate
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.Oo Fl e Ar enctypes \*(Ba Xo
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.Fl -enctypes= Ns Ar enctypes
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.Xc
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.Oc
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.Oo Fl a Ar addresses \*(Ba Xo
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.Fl -extra-addresses= Ns Ar addresses
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.Xc
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.Oc
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.Op Fl -fcache-version= Ns Ar integer
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.Op Fl -no-addresses
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.Op Fl -anonymous
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.Op Fl -version
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.Op Fl -help
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.Op Ar principal Op Ar command
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.Sh DESCRIPTION
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.Nm
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is used to authenticate to the kerberos server as
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.Ar principal ,
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or if none is given, a system generated default (typically your login
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name at the default realm), and acquire a ticket granting ticket that
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can later be used to obtain tickets for other services.
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.Pp
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If you have compiled
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.Nm kinit
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with Kerberos 4 support and you have a
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Kerberos 4 server,
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.Nm
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will detect this and get you Kerberos 4 tickets.
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.Pp
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Supported options:
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.Bl -tag -width Ds
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.It Xo
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.Fl c Ar cachename
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.Fl -cache= Ns Ar cachename
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.Xc
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The credentials cache to put the acquired ticket in, if other than
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default.
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.It Xo
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.Fl f ,
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.Fl -forwardable
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.Xc
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Get ticket that can be forwarded to another host.
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.It Xo
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.Fl t Ar keytabname ,
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.Fl -keytab= Ns Ar keytabname
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.Xc
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Don't ask for a password, but instead get the key from the specified
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keytab.
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.It Xo
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.Fl l Ar time Ns ,
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.Fl -lifetime= Ns Ar time
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.Xc
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Specifies the lifetime of the ticket. The argument can either be in
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seconds, or a more human readable string like
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.Sq 1h .
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.It Xo
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.Fl p ,
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.Fl -proxiable
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.Xc
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Request tickets with the proxiable flag set.
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.It Xo
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.Fl R ,
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.Fl -renew
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.Xc
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Try to renew ticket. The ticket must have the
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.Sq renewable
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flag set, and must not be expired.
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.It Fl -renewable
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The same as
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.Fl -renewable-life ,
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with an infinite time.
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.It Xo
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.Fl r Ar time ,
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.Fl -renewable-life= Ns Ar time
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.Xc
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The max renewable ticket life.
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.It Xo
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.Fl S Ar principal ,
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.Fl -server= Ns Ar principal
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.Xc
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Get a ticket for a service other than krbtgt/LOCAL.REALM.
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.It Xo
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.Fl s Ar time ,
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.Fl -start-time= Ns Ar time
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.Xc
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Obtain a ticket that starts to be valid
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.Ar time
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(which can really be a generic time specification, like
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.Sq 1h )
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seconds into the future.
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.It Xo
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.Fl k ,
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.Fl -use-keytab
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.Xc
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The same as
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.Fl -keytab ,
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but with the default keytab name (normally
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.Ar FILE:/etc/krb5.keytab ) .
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.It Xo
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.Fl v ,
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.Fl -validate
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.Xc
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Try to validate an invalid ticket.
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.It Xo
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.Fl e ,
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.Fl -enctypes= Ns Ar enctypes
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.Xc
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Request tickets with this particular enctype.
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.It Xo
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.Fl -fcache-version= Ns Ar version
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.Xc
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Create a credentials cache of version
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.Nm version .
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.It Xo
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.Fl a ,
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.Fl -extra-addresses= Ns Ar enctypes
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.Xc
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Adds a set of addresses that will, in addition to the systems local
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addresses, be put in the ticket. This can be useful if all addresses a
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client can use can't be automatically figured out. One such example is
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if the client is behind a firewall. Also settable via
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.Li libdefaults/extra_addresses
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in
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.Xr krb5.conf 5 .
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.It Xo
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.Fl -no-addresses
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.Xc
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Request a ticket with no addresses.
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.It Xo
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.Fl -anonymous
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.Xc
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Request an anonymous ticket (which means that the ticket will be
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issued to an anonymous principal, typically
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.Dq anonymous@REALM ) .
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.El
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.Pp
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The following options are only available if
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.Nm
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has been compiled with support for Kerberos 4.
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.Bl -tag -width Ds
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.It Xo
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.Fl 4 ,
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.Fl -524init
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.Xc
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Try to convert the obtained Kerberos 5 krbtgt to a version 4
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compatible ticket. It will store this ticket in the default Kerberos 4
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ticket file.
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.It Xo
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.Fl 9 ,
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.Fl -524convert
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.Xc
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only convert ticket to version 4
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.It Fl -afslog
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Gets AFS tickets, converts them to version 4 format, and stores them
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in the kernel. Only useful if you have AFS.
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.El
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.Pp
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The
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.Ar forwardable ,
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.Ar proxiable ,
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.Ar ticket_life ,
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and
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.Ar renewable_life
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options can be set to a default value from the
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.Dv appdefaults
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section in krb5.conf, see
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.Xr krb5_appdefault 3 .
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.Pp
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If a
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.Ar command
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is given,
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.Nm kinit
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will setup new credentials caches, and AFS PAG, and then run the given
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command. When it finishes the credentials will be removed.
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.Sh ENVIRONMENT
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.Bl -tag -width Ds
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.It Ev KRB5CCNAME
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Specifies the default credentials cache.
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.It Ev KRB5_CONFIG
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The file name of
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.Pa krb5.conf
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, the default being
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.Pa /etc/krb5.conf .
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.It Ev KRBTKFILE
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Specifies the Kerberos 4 ticket file to store version 4 tickets in.
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.El
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.\".Sh FILES
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.\".Sh EXAMPLES
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.\".Sh DIAGNOSTICS
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.Sh SEE ALSO
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.Xr kdestroy 1 ,
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.Xr klist 1 ,
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.Xr krb5_appdefault 3 ,
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.Xr krb5.conf 5
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.\".Sh STANDARDS
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.\".Sh HISTORY
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.\".Sh AUTHORS
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.\".Sh BUGS
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