[svn-upgrade] Integrating new upstream version, shadow (4.0.9)
This commit is contained in:
nekral-guest
417
man/useradd.8.xml
Normal file
417
man/useradd.8.xml
Normal file
@@ -0,0 +1,417 @@
|
||||
<?xml version="1.0" encoding="UTF-8"?>
|
||||
<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.3//EN"
|
||||
"http://www.oasis-open.org/docbook/xml/4.3/docbookx.dtd">
|
||||
<refentry id='useradd.8'>
|
||||
<!-- $Id: useradd.8.xml,v 1.6 2005/04/27 18:20:35 kloczek Exp $ -->
|
||||
<refmeta>
|
||||
<refentrytitle>useradd</refentrytitle>
|
||||
<manvolnum>8</manvolnum>
|
||||
</refmeta>
|
||||
<refnamediv id='name'>
|
||||
<refname>useradd</refname>
|
||||
<refpurpose>Create a new user or update default new user information</refpurpose>
|
||||
</refnamediv>
|
||||
<refsynopsisdiv id='synopsis'>
|
||||
<cmdsynopsis>
|
||||
<command>useradd</command>
|
||||
<arg choice='opt'>-c <replaceable>comment</replaceable></arg>
|
||||
<arg choice='opt'>-d <replaceable>home_dir</replaceable></arg>
|
||||
<arg choice='opt'>-e <replaceable>expire_date</replaceable></arg>
|
||||
<arg choice='opt'>-f <replaceable>inactive_days</replaceable></arg>
|
||||
<sbr/>
|
||||
<arg choice='opt'>-g <replaceable>initial_group</replaceable></arg>
|
||||
<arg choice='opt'>
|
||||
<arg choice='plain'>-G <replaceable>group1</replaceable></arg>
|
||||
<arg choice='opt'>
|
||||
<arg choice='plain' rep='repeat'>
|
||||
<replaceable>,group2,</replaceable>
|
||||
</arg>
|
||||
<arg choice='plain'>
|
||||
<replaceable>,</replaceable>
|
||||
</arg>
|
||||
<arg choice='opt'>
|
||||
<replaceable>groupN</replaceable>
|
||||
</arg>
|
||||
</arg>
|
||||
</arg>
|
||||
<sbr/>
|
||||
<arg choice='opt'>
|
||||
<arg choice='opt'>-M </arg><arg choice='plain'>-m </arg>
|
||||
<arg choice='opt'>-k <replaceable>skeleton_dir</replaceable></arg>
|
||||
</arg>
|
||||
<arg choice='opt'>-o </arg>
|
||||
<arg choice='opt'>-p <replaceable>passwd</replaceable></arg>
|
||||
<arg choice='opt'>-s <replaceable>shell</replaceable></arg>
|
||||
<sbr/>
|
||||
<arg choice='opt'>-u <replaceable>uid</replaceable></arg>
|
||||
<arg choice='plain'><replaceable>login</replaceable></arg>
|
||||
<arg choice='plain'><replaceable>useradd</replaceable></arg>
|
||||
<arg choice='plain'>-D </arg>
|
||||
<arg choice='opt'>-g <replaceable>group</replaceable></arg>
|
||||
<arg choice='opt'>-b <replaceable>home_dir</replaceable></arg>
|
||||
<arg choice='opt'>-e <replaceable>expire_date</replaceable></arg>
|
||||
<sbr/>
|
||||
<arg choice='opt'>-f <replaceable>inactive_days</replaceable></arg>
|
||||
<arg choice='opt'>-s <replaceable>shell</replaceable></arg>
|
||||
</cmdsynopsis>
|
||||
</refsynopsisdiv>
|
||||
|
||||
<refsect1 id='description'>
|
||||
<title>DESCRIPTION</title>
|
||||
<refsect2 id='creating_new_users'>
|
||||
<title>Creating New Users</title>
|
||||
<para>
|
||||
When invoked without the <option>-D</option> option, the
|
||||
<command>useradd</command> command creates a new user account using
|
||||
the values specified on the command line and the default values from
|
||||
the system. Depending on command line options, the useradd command
|
||||
will update system files and may also create the new user's home
|
||||
directory and copy initial files.
|
||||
</para>
|
||||
</refsect2>
|
||||
</refsect1>
|
||||
|
||||
<refsect1 id='options'>
|
||||
<title>OPTIONS</title>
|
||||
<para>The options which apply to the <command>useradd</command> command are:
|
||||
</para>
|
||||
<variablelist remap='IP'>
|
||||
<varlistentry>
|
||||
<term>
|
||||
<option>-c</option> <replaceable>comment</replaceable>
|
||||
</term>
|
||||
<listitem>
|
||||
<para>The new user's password file comment field.</para>
|
||||
</listitem>
|
||||
</varlistentry>
|
||||
<varlistentry>
|
||||
<term>
|
||||
<option>-d</option> <replaceable>home_dir</replaceable>
|
||||
</term>
|
||||
<listitem>
|
||||
<para>
|
||||
The new user will be created using <emphasis remap='I'> home_dir
|
||||
</emphasis>as the value for the user's login directory. The
|
||||
default is to append the <emphasis remap='I'>login</emphasis>
|
||||
name to <emphasis remap='I'>home</emphasis> and use that as the
|
||||
login directory name.
|
||||
</para>
|
||||
</listitem>
|
||||
</varlistentry>
|
||||
<varlistentry>
|
||||
<term>
|
||||
<option>-e</option> <replaceable>expire_date</replaceable>
|
||||
</term>
|
||||
<listitem>
|
||||
<para>The date on which the user account will be disabled. The
|
||||
date is specified in the format <emphasis
|
||||
remap='I'>YYYY-MM-DD</emphasis>.
|
||||
</para>
|
||||
</listitem>
|
||||
</varlistentry>
|
||||
<varlistentry>
|
||||
<term>
|
||||
<option>-f</option> <replaceable>inactive_days</replaceable>
|
||||
</term>
|
||||
<listitem>
|
||||
<para>The number of days after a password expires until the
|
||||
account is permanently disabled. A value of 0 disables the
|
||||
account as soon as the password has expired, and a value of -1
|
||||
disables the feature. The default value is -1.
|
||||
</para>
|
||||
</listitem>
|
||||
</varlistentry>
|
||||
<varlistentry>
|
||||
<term>
|
||||
<option>-g</option> <replaceable>initial_group</replaceable>
|
||||
</term>
|
||||
<listitem>
|
||||
<para>The group name or number of the user's initial login group.
|
||||
The group name must exist. A group number must refer to an
|
||||
already existing group. The default group number is 1 or
|
||||
whatever is specified in
|
||||
<filename>/etc/default/useradd</filename>.
|
||||
</para>
|
||||
</listitem>
|
||||
</varlistentry>
|
||||
<varlistentry>
|
||||
<term>
|
||||
<option>-G</option> <replaceable>group1</replaceable>[<emphasis remap='I'>
|
||||
,group2,...,
|
||||
</emphasis>
|
||||
[<emphasis remap='I'>groupN</emphasis>]]]
|
||||
</term>
|
||||
<listitem>
|
||||
<para>A list of supplementary groups which the user is also a
|
||||
member of. Each group is separated from the next by a comma,
|
||||
with no intervening whitespace. The groups are subject to the
|
||||
same restrictions as the group given with the
|
||||
<option>-g</option> option. The default is for the user to
|
||||
belong only to the initial group.
|
||||
</para>
|
||||
</listitem>
|
||||
</varlistentry>
|
||||
<varlistentry>
|
||||
<term>
|
||||
<option>-M</option>
|
||||
</term>
|
||||
<listitem>
|
||||
<para>RedHat added the CREATE_HOME option in login.defs in their
|
||||
version of shadow-utils (which makes -m the default, with new -M
|
||||
option to turn it off). Unfortunately, this changes the way
|
||||
useradd works (it can be run by scripts expecting some standard
|
||||
behaviour), compared to other Unices and other Linux
|
||||
distributions, and also adds a lot of confusion.
|
||||
</para>
|
||||
</listitem>
|
||||
</varlistentry>
|
||||
<varlistentry>
|
||||
<term>
|
||||
<option>-m</option>
|
||||
</term>
|
||||
<listitem>
|
||||
<para>The user's home directory will be created if it does not
|
||||
exist. The files contained in <emphasis
|
||||
remap='I'>skeleton_dir</emphasis> will be copied to the home
|
||||
directory if the <option>-k</option> option is used, otherwise
|
||||
the files contained in <filename>/etc/skel</filename> will be
|
||||
used instead. Any directories contained in <emphasis remap='I'>
|
||||
skeleton_dir</emphasis> or <filename>/etc/skel</filename> will
|
||||
be created in the user's home directory as well. The
|
||||
<option>-k</option> option is only valid in conjunction with the
|
||||
<option>-m</option> option. The default is to not create the
|
||||
directory and to not copy any files.
|
||||
</para>
|
||||
</listitem>
|
||||
</varlistentry>
|
||||
<varlistentry>
|
||||
<term>
|
||||
<option>-o</option>
|
||||
</term>
|
||||
<listitem>
|
||||
<para>Allow create user with duplicate (non-unique) UID.</para>
|
||||
</listitem>
|
||||
</varlistentry>
|
||||
<varlistentry>
|
||||
<term>
|
||||
<option>-p</option> <replaceable>passwd</replaceable>
|
||||
</term>
|
||||
<listitem>
|
||||
<para>
|
||||
The encrypted password, as returned by <citerefentry>
|
||||
<refentrytitle>crypt</refentrytitle><manvolnum>3</manvolnum>
|
||||
</citerefentry>. The default is to disable the account.
|
||||
</para>
|
||||
</listitem>
|
||||
</varlistentry>
|
||||
<varlistentry>
|
||||
<term>
|
||||
<option>-s</option> <replaceable>shell</replaceable>
|
||||
</term>
|
||||
<listitem>
|
||||
<para>The name of the user's login shell. The default is to
|
||||
leave this field
|
||||
blank, which causes the system to select the default
|
||||
login shell.
|
||||
</para>
|
||||
</listitem>
|
||||
</varlistentry>
|
||||
<varlistentry>
|
||||
<term>
|
||||
<option>-u</option> <replaceable>uid</replaceable>
|
||||
</term>
|
||||
<listitem>
|
||||
<para>The numerical value of the user's ID. This value must be
|
||||
unique, unless the <option>-o</option> option is used. The value
|
||||
must be non-negative. The default is to use the smallest ID
|
||||
value greater than 999 and greater than every other user.
|
||||
Values between 0 and 999 are typically reserved for system
|
||||
accounts.
|
||||
</para>
|
||||
</listitem>
|
||||
</varlistentry>
|
||||
</variablelist>
|
||||
|
||||
<refsect2 id='changing_the_default_values'>
|
||||
<title>Changing the default values</title>
|
||||
<para>
|
||||
When invoked with the <option>-D</option> option,
|
||||
<command>useradd</command> will either display the current default
|
||||
values, or update the default values from the command line. The
|
||||
valid options are
|
||||
</para>
|
||||
<variablelist remap='IP'>
|
||||
<varlistentry>
|
||||
<term>
|
||||
<option>-b</option> <replaceable>home_dir</replaceable>
|
||||
</term>
|
||||
<listitem>
|
||||
<para>The initial path prefix for a new user's home directory.
|
||||
The user's name will be affixed to the end of <emphasis
|
||||
remap='I'>home</emphasis> to create the new directory name if
|
||||
the <option>-d</option> option is not used when creating a new
|
||||
account.
|
||||
</para>
|
||||
</listitem>
|
||||
</varlistentry>
|
||||
<varlistentry>
|
||||
<term>
|
||||
<option>-e</option> <replaceable>expire_date</replaceable>
|
||||
</term>
|
||||
<listitem>
|
||||
<para>The date on which the user account is disabled.</para>
|
||||
</listitem>
|
||||
</varlistentry>
|
||||
<varlistentry>
|
||||
<term>
|
||||
<option>-f</option> <replaceable>inactive</replaceable>
|
||||
</term>
|
||||
<listitem>
|
||||
<para>The number of days after a password has expired before the
|
||||
account will be disabled.
|
||||
</para>
|
||||
</listitem>
|
||||
</varlistentry>
|
||||
<varlistentry>
|
||||
<term>
|
||||
<option>-g</option> <replaceable>group</replaceable>
|
||||
</term>
|
||||
<listitem>
|
||||
<para>The group name or ID for a new user's initial group. The
|
||||
named group must exist, and a numerical group ID must have an
|
||||
existing entry .
|
||||
</para>
|
||||
</listitem>
|
||||
</varlistentry>
|
||||
<varlistentry>
|
||||
<term>
|
||||
<option>-s</option> <replaceable>shell</replaceable>
|
||||
</term>
|
||||
<listitem>
|
||||
<para>The name of the new user's login shell. The named program
|
||||
will be used for all future new user accounts.
|
||||
</para>
|
||||
</listitem>
|
||||
</varlistentry>
|
||||
</variablelist>
|
||||
|
||||
<para>If no options are specified, <command>useradd</command>
|
||||
displays the current default values.
|
||||
</para>
|
||||
</refsect2>
|
||||
</refsect1>
|
||||
|
||||
<refsect1 id='notes'>
|
||||
<title>NOTES</title>
|
||||
<para>The system administrator is responsible for placing the default
|
||||
user files in the <filename>/etc/skel/</filename> directory.
|
||||
</para>
|
||||
</refsect1>
|
||||
|
||||
<refsect1 id='caveats'>
|
||||
<title>CAVEATS</title>
|
||||
<para>You may not add a user to an NIS group. This must be performed on
|
||||
the NIS server.
|
||||
</para>
|
||||
</refsect1>
|
||||
|
||||
<refsect1 id='files'>
|
||||
<title>FILES</title>
|
||||
<variablelist>
|
||||
<varlistentry>
|
||||
<term><filename>/etc/passwd</filename></term>
|
||||
<listitem>user account information</listitem>
|
||||
</varlistentry>
|
||||
<varlistentry>
|
||||
<term><filename>/etc/shadow</filename></term>
|
||||
<listitem>secure user account information</listitem>
|
||||
</varlistentry>
|
||||
<varlistentry>
|
||||
<term><filename>/etc/group</filename></term>
|
||||
<listitem>group account information</listitem>
|
||||
</varlistentry>
|
||||
<varlistentry>
|
||||
<term><filename>/etc/default/useradd</filename></term>
|
||||
<listitem>default information</listitem>
|
||||
</varlistentry>
|
||||
<varlistentry>
|
||||
<term><filename>/etc/skel/</filename></term>
|
||||
<listitem>directory containing default files</listitem>
|
||||
</varlistentry>
|
||||
</variablelist>
|
||||
</refsect1>
|
||||
|
||||
<refsect1 id='exit_values'>
|
||||
<title>EXIT VALUES</title>
|
||||
<variablelist remap='TP'>
|
||||
<varlistentry>
|
||||
<term>
|
||||
The <command>useadd</coamand> command exits with the following
|
||||
values:
|
||||
</term>
|
||||
<listitem>
|
||||
<!-- .br -->
|
||||
<para>
|
||||
<literal>0</literal> - success
|
||||
<!-- .br -->
|
||||
<literal>1</literal> - can't update password file
|
||||
<!-- .br -->
|
||||
<literal>2</literal> - invalid command syntax
|
||||
<!-- .br -->
|
||||
<literal>3</literal> - invalid argument to option
|
||||
<!-- .br -->
|
||||
<literal>4</literal> - uid already in use (and no -o)
|
||||
<!-- .br -->
|
||||
<literal>6</literal> - specified group doesn't exist
|
||||
<!-- .br -->
|
||||
<literal>9</literal> - username already in use
|
||||
<!-- .br -->
|
||||
<literal>10</literal> - can't update group file
|
||||
<!-- .br -->
|
||||
<literal>12</literal> - can't create home directory
|
||||
<!-- .br -->
|
||||
<literal>13</literal> - can't create mail spool
|
||||
</para>
|
||||
</listitem>
|
||||
</varlistentry>
|
||||
</variablelist>
|
||||
</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>crypt</refentrytitle><manvolnum>3</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>,
|
||||
<citerefentry>
|
||||
<refentrytitle>userdel</refentrytitle><manvolnum>8</manvolnum>
|
||||
</citerefentry>,
|
||||
<citerefentry>
|
||||
<refentrytitle>usermod</refentrytitle><manvolnum>8</manvolnum>
|
||||
</citerefentry>
|
||||
</para>
|
||||
</refsect1>
|
||||
|
||||
<refsect1 id='author'>
|
||||
<title>AUTHOR</title>
|
||||
<para>Julianne Frances Haugh (jockgrrl@ix.netcom.com)</para>
|
||||
</refsect1>
|
||||
</refentry>
|
||||
Reference in New Issue
Block a user