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.\" A man page for ipa-rmkeytab
.\" Copyright (C) 2009 Red Hat, Inc.
.\"
.\" This is free software; you can redistribute it and/or modify it under
.\" the terms of the GNU Library General Public License as published by
.\" the Free Software Foundation; version 2 only
.\"
.\" This program is distributed in the hope that it will be useful, but
.\" WITHOUT ANY WARRANTY; without even the implied warranty of
.\" MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
.\" General Public License for more details.
.\"
.\" You should have received a copy of the GNU Library General Public
.\" License along with this program; if not, write to the Free Software
.\" Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
.\"
.\" Author: Rob Crittenden <rcritten@redhat.com>
.\"
.\"
.TH "ipa-rmkeytab" "1" "Oct 30 2009" "freeipa" ""
.SH "NAME"
ipa\-rmkeytab \- Remove a kerberos principal from a keytab
.SH "SYNOPSIS"
ipa\-rmkeytab [ \fB\-p\fR principal\-name ] [ \fB\-k\fR keytab\-file ] [ \fB\-r\fR realm ] [ \fB\-d\fR ]
.SH "DESCRIPTION"
Removes a kerberos principal from a \fIkeytab\fR.
Kerberos keytabs are used for services (like sshd) to
perform kerberos authentication. A keytab is a file
with one or more secrets (or keys) for a kerberos
principal.
A kerberos service principal is a kerberos identity
that can be used for authentication. Service principals
contain the name of the service, the hostname of the
server, and the realm name.
ipa\-rmkeytab provides two ways to remove principals.
A specific principal can be removed or all principals for all
principals for a given realm can be removed.
All encryption types and versions of a principal are removed.
The realm may be included when removing a specific principal but
it is not required.
\fBNOTE:\fR removing a principal from the keytab does not affect
the Kerberos principal stored in the IPA server. It merely removes
the entry from the local keytab.
.SH "OPTIONS"
.TP
\fB\-p principal\-name\fR
The non\-realm part of the full principal name.
.TP
\fB\-k keytab\-file\fR
The keytab file where to append the new key (will be
created if it does not exist).
.TP
\fB\-r realm\fR
A realm to remove all principals for.
.TP
\fB\-d\fR
Debug mode. Additional information is displayed.
.SH "EXAMPLES"
Remove the NFS service principal on the host foo.example.com from /tmp/nfs.keytab.
# ipa\-rmkeytab \-p nfs/foo.example.com \-k /tmp/nfs.keytab
Remove the ldap service principal onthe host foo.example.com from /etc/krb5.keytab.
# ipa\-rmkeytab \-p ldap/foo.example.com \-k /tmp/ldap.keytab
Remove all principals for the realm EXAMPLE.COM.
# ipa\-rmkeytab \-r EXAMPLE.COM \-k /tmp/ldap.keytab
.SH "EXIT STATUS"
The exit status is 0 on success, nonzero on error.
1 Kerberos initialization failed
2 Memory allocation error
3 Unable to open keytab
4 Unable to parse the principal name
5 Principal name not found in keytab
6 Unable to remove principal from keytab
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