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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 12:50:00 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 12:50:00 +0000
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Adding upstream version 1:4.8.1.upstream/1%4.8.1upstream
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+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+ Copyright (c) 1991 - 1994, Julianne Frances Haugh
+ Copyright (c) 2007 - 2011, Nicolas François
+ All rights reserved.
+
+ Redistribution and use in source and binary forms, with or without
+ modification, are permitted provided that the following conditions
+ are met:
+ 1. Redistributions of source code must retain the above copyright
+ notice, this list of conditions and the following disclaimer.
+ 2. Redistributions in binary form must reproduce the above copyright
+ notice, this list of conditions and the following disclaimer in the
+ documentation and/or other materials provided with the distribution.
+ 3. The name of the copyright holders or contributors may not be used to
+ endorse or promote products derived from this software without
+ specific prior written permission.
+
+ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
+ PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+-->
+<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook V4.5//EN"
+ "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
+<!ENTITY MAIL_DIR SYSTEM "login.defs.d/MAIL_DIR.xml">
+<!ENTITY MAX_MEMBERS_PER_GROUP SYSTEM "login.defs.d/MAX_MEMBERS_PER_GROUP.xml">
+<!ENTITY TCB_SYMLINKS SYSTEM "login.defs.d/TCB_SYMLINKS.xml">
+<!ENTITY USE_TCB SYSTEM "login.defs.d/USE_TCB.xml">
+<!ENTITY USERDEL_CMD SYSTEM "login.defs.d/USERDEL_CMD.xml">
+<!ENTITY USERGROUPS_ENAB SYSTEM "login.defs.d/USERGROUPS_ENAB.xml">
+<!-- SHADOW-CONFIG-HERE -->
+]>
+<refentry id='userdel.8'>
+ <!-- $Id$ -->
+ <refentryinfo>
+ <author>
+ <firstname>Julianne Frances</firstname>
+ <surname>Haugh</surname>
+ <contrib>Creation, 1991</contrib>
+ </author>
+ <author>
+ <firstname>Thomas</firstname>
+ <surname>Kłoczko</surname>
+ <email>kloczek@pld.org.pl</email>
+ <contrib>shadow-utils maintainer, 2000 - 2007</contrib>
+ </author>
+ <author>
+ <firstname>Nicolas</firstname>
+ <surname>François</surname>
+ <email>nicolas.francois@centraliens.net</email>
+ <contrib>shadow-utils maintainer, 2007 - now</contrib>
+ </author>
+ </refentryinfo>
+ <refmeta>
+ <refentrytitle>userdel</refentrytitle>
+ <manvolnum>8</manvolnum>
+ <refmiscinfo class="sectdesc">System Management Commands</refmiscinfo>
+ <refmiscinfo class="source">shadow-utils</refmiscinfo>
+ <refmiscinfo class="version">&SHADOW_UTILS_VERSION;</refmiscinfo>
+ </refmeta>
+ <refnamediv id='name'>
+ <refname>userdel</refname>
+ <refpurpose>delete a user account and related files</refpurpose>
+ </refnamediv>
+ <refsynopsisdiv id='synopsis'>
+ <cmdsynopsis>
+ <command>userdel</command>
+ <arg choice='opt'>options</arg>
+ <arg choice='plain'>
+ <replaceable>LOGIN</replaceable>
+ </arg>
+ </cmdsynopsis>
+ </refsynopsisdiv>
+
+ <refsect1 id='description'>
+ <title>DESCRIPTION</title>
+ <para>
+ The <command>userdel</command> command modifies the system account
+ files, deleting all entries that refer to the user name <emphasis
+ remap='I'>LOGIN</emphasis>. The named user must exist.
+ </para>
+ </refsect1>
+
+ <refsect1 id='options'>
+ <title>OPTIONS</title>
+ <para>
+ The options which apply to the <command>userdel</command> command are:
+ </para>
+ <variablelist remap='IP'>
+ <varlistentry>
+ <term>
+ <option>-f</option>, <option>--force</option>
+ </term>
+ <listitem>
+ <para>
+ This option forces the removal of the user account, even if the
+ user is still
+ logged in. It also forces <command>userdel</command> to remove
+ the user's home directory and mail spool, even if another
+ user uses the same home directory or if the mail spool is not
+ owned by the specified user. If
+ <option>USERGROUPS_ENAB</option> is defined to <emphasis
+ remap='I'>yes</emphasis> in <filename>/etc/login.defs</filename>
+ and if a group exists with the same name as the deleted user,
+ then this group will be removed, even if it is still the primary
+ group of another user.
+ </para>
+ <para>
+ <emphasis>Note:</emphasis> This option is dangerous and may leave
+ your system in an inconsistent state.
+ </para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term><option>-h</option>, <option>--help</option></term>
+ <listitem>
+ <para>Display help message and exit.</para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term>
+ <option>-r</option>, <option>--remove</option>
+ </term>
+ <listitem>
+ <para>
+ Files in the user's home directory will be removed along with
+ the home directory itself and the user's mail spool. Files
+ located in other file systems will have to be searched for and
+ deleted manually.
+ </para>
+ <para>
+ The mail spool is defined by the <option>MAIL_DIR</option>
+ variable in the <filename>login.defs</filename> file.
+ </para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term>
+ <option>-R</option>, <option>--root</option>&nbsp;<replaceable>CHROOT_DIR</replaceable>
+ </term>
+ <listitem>
+ <para>
+ Apply changes in the <replaceable>CHROOT_DIR</replaceable>
+ directory and use the configuration files from the
+ <replaceable>CHROOT_DIR</replaceable> directory.
+ </para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term>
+ <option>-P</option>, <option>--prefix</option>&nbsp;<replaceable>PREFIX_DIR</replaceable>
+ </term>
+ <listitem>
+ <para>
+ Apply changes in the <replaceable>PREFIX_DIR</replaceable>
+ directory and use the configuration files from the
+ <replaceable>PREFIX_DIR</replaceable> directory.
+ This option does not chroot and is intended for preparing
+ a cross-compilation target.
+ Some limitations: NIS and LDAP users/groups are not verified.
+ PAM authentication is using the host files.
+ No SELINUX support.
+ </para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term>
+ <option>-Z</option>, <option>--selinux-user</option>
+ </term>
+ <listitem>
+ <para>
+ Remove any SELinux user mapping for the user's login.
+ </para>
+ </listitem>
+ </varlistentry>
+ </variablelist>
+ </refsect1>
+
+ <refsect1 id='configuration'>
+ <title>CONFIGURATION</title>
+ <para>
+ The following configuration variables in
+ <filename>/etc/login.defs</filename> change the behavior of this
+ tool:
+ </para>
+ <variablelist>
+ &MAIL_DIR; <!-- documents also MAIL_FILE -->
+ &MAX_MEMBERS_PER_GROUP;
+ &TCB_SYMLINKS;
+ &USE_TCB;
+ &USERDEL_CMD;
+ &USERGROUPS_ENAB;
+ </variablelist>
+ </refsect1>
+
+ <refsect1 id='files'>
+ <title>FILES</title>
+ <variablelist>
+ <varlistentry>
+ <term><filename>/etc/group</filename></term>
+ <listitem>
+ <para>Group account information.</para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term><filename>/etc/login.defs</filename></term>
+ <listitem>
+ <para>Shadow password suite configuration.</para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term><filename>/etc/passwd</filename></term>
+ <listitem>
+ <para>User account information.</para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term><filename>/etc/shadow</filename></term>
+ <listitem>
+ <para>Secure user account information.</para>
+ </listitem>
+ </varlistentry>
+ <varlistentry condition="subids">
+ <term><filename>/etc/subgid</filename></term>
+ <listitem>
+ <para>Per user subordinate group IDs.</para>
+ </listitem>
+ </varlistentry>
+ <varlistentry condition="subids">
+ <term><filename>/etc/subuid</filename></term>
+ <listitem>
+ <para>Per user subordinate user IDs.</para>
+ </listitem>
+ </varlistentry>
+ </variablelist>
+ </refsect1>
+
+ <refsect1 id='exit_values'>
+ <title>EXIT VALUES</title>
+ <para>
+ The <command>userdel</command> command exits with the following values:
+ <variablelist>
+ <varlistentry>
+ <term><replaceable>0</replaceable></term>
+ <listitem>
+ <para>success</para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term><replaceable>1</replaceable></term>
+ <listitem>
+ <para>can't update password file</para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term><replaceable>2</replaceable></term>
+ <listitem>
+ <para>invalid command syntax</para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term><replaceable>6</replaceable></term>
+ <listitem>
+ <para>specified user doesn't exist</para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term><replaceable>8</replaceable></term>
+ <listitem>
+ <para>user currently logged in</para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term><replaceable>10</replaceable></term>
+ <listitem>
+ <para>can't update group file</para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term><replaceable>12</replaceable></term>
+ <listitem>
+ <para>can't remove home directory</para>
+ </listitem>
+ </varlistentry>
+ </variablelist>
+ </para>
+ </refsect1>
+
+ <refsect1 id='caveats'>
+ <title>CAVEATS</title>
+ <para>
+ <command>userdel</command> will not allow you to remove an account if
+ there are running processes which belong to this account. In that
+ case, you may have to kill those processes or lock the user's
+ password or account and remove the account later. The
+ <option>-f</option> option can force the deletion of this account.
+ </para>
+ <para>
+ You should manually check all file systems to ensure that no files
+ remain owned by this user.
+ </para>
+ <para>You may not remove any NIS attributes on a NIS client. This must
+ be performed on the NIS server.
+ </para>
+ <para>If <option>USERGROUPS_ENAB</option> is defined to <emphasis
+ remap='I'>yes</emphasis> in <filename>/etc/login.defs</filename>,
+ <command>userdel</command> will delete the group with the same name
+ as the user. To avoid inconsistencies in the passwd and group
+ databases, <command>userdel</command> will check that this group is
+ not used as a primary group for another user, and will just warn
+ without deleting the group otherwise. The <option>-f</option> option
+ can force the deletion of this group.
+ </para>
+ </refsect1>
+
+ <refsect1 id='see_also'>
+ <title>SEE ALSO</title>
+ <para><citerefentry>
+ <refentrytitle>chfn</refentrytitle><manvolnum>1</manvolnum>
+ </citerefentry>,
+ <citerefentry>
+ <refentrytitle>chsh</refentrytitle><manvolnum>1</manvolnum>
+ </citerefentry>,
+ <citerefentry>
+ <refentrytitle>passwd</refentrytitle><manvolnum>1</manvolnum>
+ </citerefentry>,
+ <citerefentry>
+ <refentrytitle>login.defs</refentrytitle><manvolnum>5</manvolnum>
+ </citerefentry>,
+ <citerefentry>
+ <refentrytitle>gpasswd</refentrytitle><manvolnum>8</manvolnum>
+ </citerefentry>,
+ <citerefentry>
+ <refentrytitle>groupadd</refentrytitle><manvolnum>8</manvolnum>
+ </citerefentry>,
+ <citerefentry>
+ <refentrytitle>groupdel</refentrytitle><manvolnum>8</manvolnum>
+ </citerefentry>,
+ <citerefentry>
+ <refentrytitle>groupmod</refentrytitle><manvolnum>8</manvolnum>
+ </citerefentry>,
+ <phrase condition="subids">
+ <citerefentry>
+ <refentrytitle>subgid</refentrytitle><manvolnum>5</manvolnum>
+ </citerefentry>,
+ <citerefentry>
+ <refentrytitle>subuid</refentrytitle><manvolnum>5</manvolnum>
+ </citerefentry>,
+ </phrase>
+ <citerefentry>
+ <refentrytitle>useradd</refentrytitle><manvolnum>8</manvolnum>
+ </citerefentry>,
+ <citerefentry>
+ <refentrytitle>usermod</refentrytitle><manvolnum>8</manvolnum>
+ </citerefentry>.
+ </para>
+ </refsect1>
+</refentry>