[02095ae] | 1 | <?xml version="1.0" encoding="ISO-8859-1"?> |
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| 2 | <!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.4//EN" |
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| 3 | "http://www.oasis-open.org/docbook/xml/4.4/docbookx.dtd" [ |
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| 4 | <!ENTITY % general-entities SYSTEM "../../general.ent"> |
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| 5 | %general-entities; |
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| 6 | ]> |
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| 7 | |
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| 8 | <sect1 id="ch-system-shadow" role="wrap"> |
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| 9 | <?dbhtml filename="shadow.html"?> |
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| 10 | |
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| 11 | <title>Shadow-&shadow-version;</title> |
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| 12 | |
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| 13 | <indexterm zone="ch-system-shadow"> |
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| 14 | <primary sortas="a-Shadow">Shadow</primary> |
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| 15 | </indexterm> |
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| 16 | |
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| 17 | <sect2 role="package"> |
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| 18 | <title/> |
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| 19 | |
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| 20 | <para>The Shadow package contains programs for handling passwords in a |
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| 21 | secure way.</para> |
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| 22 | |
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| 23 | </sect2> |
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| 24 | |
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| 25 | <sect2 role="installation"> |
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| 26 | <title>Installation of Shadow</title> |
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| 27 | |
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| 28 | <note os="a"> |
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| 29 | <para>If you would like to enforce the use of strong passwords, |
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| 30 | refer to <ulink url="&blfs-root;view/svn/postlfs/cracklib.html"/> |
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| 31 | for installing Cracklib prior to building Shadow. Then add |
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| 32 | <parameter>--with-libcrack</parameter> to the <command>configure</command> |
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| 33 | command below.</para> |
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| 34 | </note> |
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| 35 | |
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[c8e9ef0] | 36 | <para os="p1">The following patch fixes an issue in useradd, where it only |
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| 37 | accepts group names, not group id numbers:</para> |
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[0c263d7] | 38 | |
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| 39 | <screen os="p2"><userinput>patch -Np1 -i ../&shadow-useradd_fix-patch;</userinput></screen> |
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| 40 | |
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[02095ae] | 41 | <para os="b">Create a config.cache containing information about a test that |
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| 42 | cannot be run when cross-compiling:</para> |
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| 43 | |
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| 44 | <screen os="c"><userinput>echo "ac_cv_func_setpgrp_void=yes" > config.cache</userinput></screen> |
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| 45 | |
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| 46 | <para os="d">Prepare Shadow for compilation:</para> |
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| 47 | |
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[cee2ca2] | 48 | <screen os="e"><userinput>./configure --build=${CLFS_HOST} --host=${CLFS_TARGET} \ |
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| 49 | --libdir=/lib --sysconfdir=/etc --enable-shared \ |
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[02095ae] | 50 | --without-libpam --without-audit --without-selinux \ |
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[cee2ca2] | 51 | --cache-file=config.cache</userinput></screen> |
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[02095ae] | 52 | |
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| 53 | <para os="f">The meaning of the configure options:</para> |
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| 54 | |
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| 55 | <variablelist os="g"> |
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[f191b12] | 56 | <varlistentry> |
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| 57 | <term><parameter>--sysconfdir=/etc</parameter></term> |
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| 58 | <listitem><para>Tells Shadow to install its configuration files into |
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| 59 | /etc, rather than /usr/etc.</para></listitem> |
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| 60 | </varlistentry> |
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[02095ae] | 61 | <varlistentry> |
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| 62 | <term><parameter>--without-libpam</parameter></term> |
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| 63 | <listitem><para>Support for Linux-PAM is enabled by default in Shadow, |
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[5590e0d] | 64 | however PAM is not installed on a base CLFS system, so this switch |
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[02095ae] | 65 | disables PAM support in Shadow. For instructions to install PAM and |
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| 66 | link Shadow to it, you can look at |
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| 67 | <ulink url="&blfs-root;view/svn/postlfs/shadow.html"/>.</para></listitem> |
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| 68 | </varlistentry> |
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| 69 | <varlistentry> |
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| 70 | <term><parameter>--without-audit</parameter></term> |
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| 71 | <listitem><para>Support for auditing is enabled by default, but a |
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[5590e0d] | 72 | library that it needs is not installed in a base CLFS system. This |
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[02095ae] | 73 | switch disables auditing support.</para></listitem> |
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| 74 | </varlistentry> |
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| 75 | <varlistentry> |
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| 76 | <term><parameter>--without-selinux</parameter></term> |
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| 77 | <listitem><para>Support for selinux is enabled by default, but selinux |
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[5590e0d] | 78 | is not built in a base CLFS system and configure will fail without this |
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[02095ae] | 79 | switch.</para></listitem> |
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| 80 | </varlistentry> |
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| 81 | </variablelist> |
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| 82 | |
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| 83 | <para os="h">Disable the installation of the <command>groups</command> |
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| 84 | program and its man pages, as Coreutils provides a better version:</para> |
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| 85 | |
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[3349a3a] | 86 | <screen os="i"><userinput>cp src/Makefile{,.orig} |
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| 87 | sed 's/groups$(EXEEXT) //' src/Makefile.orig > src/Makefile |
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| 88 | cp man/Makefile{,.orig} |
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[b9b48cc] | 89 | sed -e '/groups1.xml/d' \ |
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| 90 | -e 's/groups.1//' man/Makefile.orig > man/Makefile</userinput></screen> |
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[02095ae] | 91 | |
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| 92 | <para os="j">Compile the package:</para> |
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| 93 | |
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| 94 | <screen os="k"><userinput>make</userinput></screen> |
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| 95 | |
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| 96 | <para os="l">Install the package:</para> |
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| 97 | |
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[586feb7] | 98 | <screen os="m"><userinput>make DESTDIR=${CLFS} install</userinput></screen> |
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[02095ae] | 99 | |
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| 100 | <para id="shadow-login_defs" os="r">Instead of using the default |
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| 101 | <emphasis>crypt</emphasis> method, use the more secure |
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| 102 | <emphasis>MD5</emphasis> method of password encryption, which also allows |
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| 103 | passwords longer than 8 characters. It is also necessary to change the |
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| 104 | obsolete <filename class="directory">/var/spool/mail</filename> location |
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| 105 | for user mailboxes that Shadow uses by default to the <filename |
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[5590e0d] | 106 | class="directory">/var/mail</filename> location used currently. Use the |
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| 107 | following sed command to make these changes to the appropriate |
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| 108 | configuration file:</para> |
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[02095ae] | 109 | |
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| 110 | <indexterm zone="shadow-login_defs" os="s"> |
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| 111 | <primary sortas="e-/etc/login.defs">/etc/login.defs</primary> |
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| 112 | </indexterm> |
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| 113 | |
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[586feb7] | 114 | <screen os="t"><userinput>cp ${CLFS}/etc/login.defs login.defs.orig |
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[82b662d] | 115 | sed -e's@#MD5_CRYPT_ENAB.no@MD5_CRYPT_ENAB yes@' \ |
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[02095ae] | 116 | -e 's@/var/spool/mail@/var/mail@' \ |
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[586feb7] | 117 | login.defs.orig > ${CLFS}/etc/login.defs</userinput></screen> |
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[02095ae] | 118 | |
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| 119 | <note os="u"> |
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| 120 | <para>If you built Shadow with Cracklib support, execute |
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| 121 | this <command>sed</command> to correct the path to the Cracklib |
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| 122 | dictionary:</para> |
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| 123 | |
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[1a09536] | 124 | <screen role="nodump"><userinput>cp ${CLFS}/etc/login.defs login.defs.orig |
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[586feb7] | 125 | sed 's@DICTPATH.*@DICTPATH\t/lib/cracklib/pw_dict@' login.defs.orig > ${CLFS}/etc/login.defs</userinput></screen> |
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[02095ae] | 126 | </note> |
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| 127 | |
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| 128 | <para os="v">Move a misplaced program to its proper location:</para> |
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| 129 | |
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[586feb7] | 130 | <screen os="w"><userinput>mv -v ${CLFS}/usr/bin/passwd ${CLFS}/bin</userinput></screen> |
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[02095ae] | 131 | |
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| 132 | <para os="x">Move Shadow's dynamic libraries to a more appropriate |
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| 133 | location:</para> |
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| 134 | |
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[586feb7] | 135 | <screen os="y"><userinput>mv -v ${CLFS}/lib/libshadow.*a ${CLFS}/usr/lib |
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| 136 | rm -v ${CLFS}/lib/libshadow.so |
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| 137 | ln -svf ../../lib/libshadow.so.0 ${CLFS}/usr/lib/libshadow.so</userinput></screen> |
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[02095ae] | 138 | |
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| 139 | </sect2> |
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| 140 | |
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| 141 | <sect2 id="conf-shadow" role="configuration"> |
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| 142 | <title>Configuring Shadow</title> |
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| 143 | |
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| 144 | <indexterm zone="conf-shadow"> |
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| 145 | <primary sortas="a-Shadow">Shadow</primary> |
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| 146 | <secondary>configuring</secondary> |
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| 147 | </indexterm> |
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| 148 | |
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| 149 | <para>This package contains utilities to add, modify, and delete users and |
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| 150 | groups; set and change their passwords; and perform other administrative |
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| 151 | tasks. For a full explanation of what <emphasis>password shadowing</emphasis> |
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| 152 | means, see the <filename>doc/HOWTO</filename> file within the unpacked source |
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| 153 | tree. If using Shadow support, keep in mind that programs which need to |
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| 154 | verify passwords (display managers, FTP programs, pop3 daemons, etc.) must |
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| 155 | be Shadow-compliant. That is, they need to be able to work with shadowed |
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| 156 | passwords.</para> |
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| 157 | |
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| 158 | <para>To enable shadowed passwords, run the following command:</para> |
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| 159 | |
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[f5dc8de] | 160 | <screen role="nodump"><userinput>pwconv</userinput></screen> |
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[02095ae] | 161 | |
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| 162 | <para>To enable shadowed group passwords, run:</para> |
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| 163 | |
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| 164 | <screen role="nodump"><userinput>grpconv</userinput></screen> |
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| 165 | |
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[5590e0d] | 166 | <para>To view or change the default settings for new user accounts that |
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[32a0631] | 167 | you create, you can edit <filename>/etc/default/useradd</filename>. See |
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[5590e0d] | 168 | <command>man useradd</command> or |
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| 169 | <ulink url="&blfs-root;view/svn/postlfs/skel.html"/> for more |
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| 170 | information.</para> |
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| 171 | |
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[02095ae] | 172 | </sect2> |
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| 173 | |
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| 174 | <sect2 id="root-password" role="configuration"> |
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| 175 | <title>Setting the root password</title> |
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| 176 | |
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| 177 | <para>Choose a password for user <systemitem |
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| 178 | class="username">root</systemitem> and set it by running:</para> |
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| 179 | |
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| 180 | <screen role="nodump"><userinput>passwd root</userinput></screen> |
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| 181 | |
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| 182 | </sect2> |
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| 183 | |
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| 184 | <sect2 id="contents-shadow" role="content"> |
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| 185 | <title>Contents of Shadow</title> |
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| 186 | |
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| 187 | <segmentedlist> |
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| 188 | <segtitle>Installed programs</segtitle> |
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| 189 | <segtitle>Installed libraries</segtitle> |
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| 190 | |
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| 191 | <seglistitem> |
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[59fb197] | 192 | <seg>chage, chfn, chpasswd, chgpasswd, chsh, expiry, faillog, gpasswd, |
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| 193 | groupadd, groupdel, groupmod, grpck, grpconv, grpunconv, lastlog, |
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[82b662d] | 194 | login, logoutd, newgrp, newusers, nologin, passwd, pwck, pwconv, |
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| 195 | pwunconv, sg (link to newgrp), useradd, userdel, usermod, |
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| 196 | vigr (link to vipw), and vipw</seg> |
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[02095ae] | 197 | <seg>libshadow.[a,so]</seg> |
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| 198 | </seglistitem> |
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| 199 | </segmentedlist> |
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| 200 | |
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| 201 | <variablelist> |
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| 202 | <bridgehead renderas="sect3">Short Descriptions</bridgehead> |
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| 203 | <?dbfo list-presentation="list"?> |
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| 204 | <?dbhtml list-presentation="table"?> |
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| 205 | |
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| 206 | <varlistentry id="chage"> |
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| 207 | <term><command>chage</command></term> |
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| 208 | <listitem> |
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| 209 | <para>Used to change the maximum number of days between obligatory |
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| 210 | password changes</para> |
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| 211 | <indexterm zone="ch-system-shadow chage"> |
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| 212 | <primary sortas="b-chage">chage</primary> |
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| 213 | </indexterm> |
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| 214 | </listitem> |
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| 215 | </varlistentry> |
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| 216 | |
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| 217 | <varlistentry id="chfn"> |
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| 218 | <term><command>chfn</command></term> |
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| 219 | <listitem> |
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| 220 | <para>Used to change a user's full name and other information</para> |
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| 221 | <indexterm zone="ch-system-shadow chfn"> |
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| 222 | <primary sortas="b-chfn">chfn</primary> |
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| 223 | </indexterm> |
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| 224 | </listitem> |
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| 225 | </varlistentry> |
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| 226 | |
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[59fb197] | 227 | <varlistentry id="chgpasswd"> |
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| 228 | <term><command>chgpasswd</command></term> |
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| 229 | <listitem> |
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| 230 | <para>Used to update group passwords in batch mode</para> |
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| 231 | <indexterm zone="ch-system-shadow chgpasswd"> |
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| 232 | <primary sortas="b-chgpasswd">chgpasswd</primary> |
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| 233 | </indexterm> |
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| 234 | </listitem> |
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| 235 | </varlistentry> |
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| 236 | |
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[02095ae] | 237 | <varlistentry id="chpasswd"> |
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| 238 | <term><command>chpasswd</command></term> |
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| 239 | <listitem> |
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| 240 | <para>Used to update the passwords of an entire series of user |
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| 241 | accounts</para> |
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| 242 | <indexterm zone="ch-system-shadow chpasswd"> |
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| 243 | <primary sortas="b-chpasswd">chpasswd</primary> |
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| 244 | </indexterm> |
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| 245 | </listitem> |
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| 246 | </varlistentry> |
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| 247 | |
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| 248 | <varlistentry id="chsh"> |
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| 249 | <term><command>chsh</command></term> |
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| 250 | <listitem> |
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| 251 | <para>Used to change a user's default login shell</para> |
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| 252 | <indexterm zone="ch-system-shadow chsh"> |
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| 253 | <primary sortas="b-chsh">chsh</primary> |
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| 254 | </indexterm> |
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| 255 | </listitem> |
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| 256 | </varlistentry> |
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| 257 | |
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| 258 | <varlistentry id="expiry"> |
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| 259 | <term><command>expiry</command></term> |
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| 260 | <listitem> |
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| 261 | <para>Checks and enforces the current password expiration policy</para> |
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| 262 | <indexterm zone="ch-system-shadow expiry"> |
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| 263 | <primary sortas="b-expiry">expiry</primary> |
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| 264 | </indexterm> |
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| 265 | </listitem> |
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| 266 | </varlistentry> |
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| 267 | |
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| 268 | <varlistentry id="faillog"> |
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| 269 | <term><command>faillog</command></term> |
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| 270 | <listitem> |
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| 271 | <para>Is used to examine the log of login failures, to set a maximum |
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| 272 | number of failures before an account is blocked, or to reset the |
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| 273 | failure count</para> |
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| 274 | <indexterm zone="ch-system-shadow faillog"> |
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| 275 | <primary sortas="b-faillog">faillog</primary> |
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| 276 | </indexterm> |
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| 277 | </listitem> |
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| 278 | </varlistentry> |
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| 279 | |
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| 280 | <varlistentry id="gpasswd"> |
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| 281 | <term><command>gpasswd</command></term> |
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| 282 | <listitem> |
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| 283 | <para>Is used to add and delete members and administrators to |
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| 284 | groups</para> |
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| 285 | <indexterm zone="ch-system-shadow gpasswd"> |
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| 286 | <primary sortas="b-gpasswd">gpasswd</primary> |
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| 287 | </indexterm> |
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| 288 | </listitem> |
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| 289 | </varlistentry> |
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| 290 | |
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| 291 | <varlistentry id="groupadd"> |
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| 292 | <term><command>groupadd</command></term> |
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| 293 | <listitem> |
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| 294 | <para>Creates a group with the given name</para> |
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| 295 | <indexterm zone="ch-system-shadow groupadd"> |
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| 296 | <primary sortas="b-groupadd">groupadd</primary> |
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| 297 | </indexterm> |
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| 298 | </listitem> |
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| 299 | </varlistentry> |
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| 300 | |
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| 301 | <varlistentry id="groupdel"> |
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| 302 | <term><command>groupdel</command></term> |
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| 303 | <listitem> |
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| 304 | <para>Deletes the group with the given name</para> |
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| 305 | <indexterm zone="ch-system-shadow groupdel"> |
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| 306 | <primary sortas="b-groupdel">groupdel</primary> |
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| 307 | </indexterm> |
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| 308 | </listitem> |
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| 309 | </varlistentry> |
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| 310 | |
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| 311 | <varlistentry id="groupmod"> |
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| 312 | <term><command>groupmod</command></term> |
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| 313 | <listitem> |
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| 314 | <para>Is used to modify the given group's name or GID</para> |
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| 315 | <indexterm zone="ch-system-shadow groupmod"> |
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| 316 | <primary sortas="b-groupmod">groupmod</primary> |
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| 317 | </indexterm> |
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| 318 | </listitem> |
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| 319 | </varlistentry> |
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| 320 | |
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| 321 | <varlistentry id="grpck"> |
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| 322 | <term><command>grpck</command></term> |
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| 323 | <listitem> |
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| 324 | <para>Verifies the integrity of the group files |
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| 325 | <filename>/etc/group</filename> and |
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| 326 | <filename>/etc/gshadow</filename></para> |
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| 327 | <indexterm zone="ch-system-shadow grpck"> |
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| 328 | <primary sortas="b-grpck">grpck</primary> |
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| 329 | </indexterm> |
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| 330 | </listitem> |
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| 331 | </varlistentry> |
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| 332 | |
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| 333 | <varlistentry id="grpconv"> |
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| 334 | <term><command>grpconv</command></term> |
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| 335 | <listitem> |
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| 336 | <para>Creates or updates the shadow group file from the normal |
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| 337 | group file</para> |
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| 338 | <indexterm zone="ch-system-shadow grpconv"> |
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| 339 | <primary sortas="b-grpconv">grpconv</primary> |
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| 340 | </indexterm> |
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| 341 | </listitem> |
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| 342 | </varlistentry> |
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| 343 | |
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| 344 | <varlistentry id="grpunconv"> |
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| 345 | <term><command>grpunconv</command></term> |
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| 346 | <listitem> |
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| 347 | <para>Updates <filename>/etc/group</filename> from |
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| 348 | <filename>/etc/gshadow</filename> and then deletes the latter</para> |
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| 349 | <indexterm zone="ch-system-shadow grpunconv"> |
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| 350 | <primary sortas="b-grpunconv">grpunconv</primary> |
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| 351 | </indexterm> |
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| 352 | </listitem> |
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| 353 | </varlistentry> |
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| 354 | |
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| 355 | <varlistentry id="lastlog"> |
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| 356 | <term><command>lastlog</command></term> |
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| 357 | <listitem> |
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| 358 | <para>Reports the most recent login of all users or of a |
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| 359 | given user</para> |
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| 360 | <indexterm zone="ch-system-shadow lastlog"> |
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| 361 | <primary sortas="b-lastlog">lastlog</primary> |
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| 362 | </indexterm> |
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| 363 | </listitem> |
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| 364 | </varlistentry> |
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| 365 | |
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| 366 | <varlistentry id="login"> |
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| 367 | <term><command>login</command></term> |
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| 368 | <listitem> |
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| 369 | <para>Is used by the system to let users sign on</para> |
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| 370 | <indexterm zone="ch-system-shadow login"> |
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| 371 | <primary sortas="b-login">login</primary> |
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| 372 | </indexterm> |
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| 373 | </listitem> |
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| 374 | </varlistentry> |
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| 375 | |
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| 376 | <varlistentry id="logoutd"> |
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| 377 | <term><command>logoutd</command></term> |
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| 378 | <listitem> |
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| 379 | <para>Is a daemon used to enforce restrictions on log-on time |
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| 380 | and ports</para> |
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| 381 | <indexterm zone="ch-system-shadow logoutd"> |
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| 382 | <primary sortas="b-logoutd">logoutd</primary> |
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| 383 | </indexterm> |
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| 384 | </listitem> |
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| 385 | </varlistentry> |
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| 386 | |
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| 387 | <varlistentry id="newgrp"> |
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| 388 | <term><command>newgrp</command></term> |
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| 389 | <listitem> |
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| 390 | <para>Is used to change the current GID during a login session</para> |
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| 391 | <indexterm zone="ch-system-shadow newgrp"> |
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| 392 | <primary sortas="b-newgrp">newgrp</primary> |
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| 393 | </indexterm> |
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| 394 | </listitem> |
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| 395 | </varlistentry> |
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| 396 | |
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| 397 | <varlistentry id="newusers"> |
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| 398 | <term><command>newusers</command></term> |
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| 399 | <listitem> |
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| 400 | <para>Is used to create or update an entire series of user |
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| 401 | accounts</para> |
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| 402 | <indexterm zone="ch-system-shadow newusers"> |
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| 403 | <primary sortas="b-newusers">newusers</primary> |
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| 404 | </indexterm> |
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| 405 | </listitem> |
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| 406 | </varlistentry> |
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| 407 | |
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[82b662d] | 408 | <varlistentry id="nologin"> |
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| 409 | <term><command>nologin</command></term> |
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| 410 | <listitem> |
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| 411 | <para>Displays a message that an account is not available. Designed |
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| 412 | to be used as the default shell for accounts that have been |
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| 413 | disabled</para> |
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| 414 | <indexterm zone="ch-system-shadow nologin"> |
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| 415 | <primary sortas="b-nologin">nologin</primary> |
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| 416 | </indexterm> |
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| 417 | </listitem> |
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| 418 | </varlistentry> |
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| 419 | |
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[02095ae] | 420 | <varlistentry id="passwd"> |
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| 421 | <term><command>passwd</command></term> |
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| 422 | <listitem> |
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| 423 | <para>Is used to change the password for a user or group account</para> |
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| 424 | <indexterm zone="ch-system-shadow passwd"> |
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| 425 | <primary sortas="b-passwd">passwd</primary> |
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| 426 | </indexterm> |
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| 427 | </listitem> |
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| 428 | </varlistentry> |
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| 429 | |
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| 430 | <varlistentry id="pwck"> |
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| 431 | <term><command>pwck</command></term> |
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| 432 | <listitem> |
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| 433 | <para>Verifies the integrity of the password files |
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| 434 | <filename>/etc/passwd</filename> and |
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| 435 | <filename>/etc/shadow</filename></para> |
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| 436 | <indexterm zone="ch-system-shadow pwck"> |
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| 437 | <primary sortas="b-pwck">pwck</primary> |
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| 438 | </indexterm> |
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| 439 | </listitem> |
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| 440 | </varlistentry> |
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| 441 | |
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| 442 | <varlistentry id="pwconv"> |
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| 443 | <term><command>pwconv</command></term> |
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| 444 | <listitem> |
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| 445 | <para>Creates or updates the shadow password file from the normal |
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| 446 | password file</para> |
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| 447 | <indexterm zone="ch-system-shadow pwconv"> |
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| 448 | <primary sortas="b-pwconv">pwconv</primary> |
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| 449 | </indexterm> |
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| 450 | </listitem> |
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| 451 | </varlistentry> |
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| 452 | |
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| 453 | <varlistentry id="pwunconv"> |
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| 454 | <term><command>pwunconv</command></term> |
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| 455 | <listitem> |
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| 456 | <para>Updates <filename>/etc/passwd</filename> from |
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| 457 | <filename>/etc/shadow</filename> and then deletes the latter</para> |
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| 458 | <indexterm zone="ch-system-shadow pwunconv"> |
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| 459 | <primary sortas="b-pwunconv">pwunconv</primary> |
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| 460 | </indexterm> |
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| 461 | </listitem> |
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| 462 | </varlistentry> |
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| 463 | |
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| 464 | <varlistentry id="sg"> |
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| 465 | <term><command>sg</command></term> |
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| 466 | <listitem> |
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| 467 | <para>Executes a given command while the user's GID |
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| 468 | is set to that of the given group</para> |
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| 469 | <indexterm zone="ch-system-shadow sg"> |
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| 470 | <primary sortas="b-sg">sg</primary> |
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| 471 | </indexterm> |
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| 472 | </listitem> |
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| 473 | </varlistentry> |
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| 474 | |
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| 475 | <varlistentry id="su"> |
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| 476 | <term><command>su</command></term> |
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| 477 | <listitem> |
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| 478 | <para>Runs a shell with substitute user and group IDs</para> |
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| 479 | <indexterm zone="ch-system-shadow su"> |
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| 480 | <primary sortas="b-su">su</primary> |
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| 481 | </indexterm> |
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| 482 | </listitem> |
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| 483 | </varlistentry> |
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| 484 | |
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| 485 | <varlistentry id="useradd"> |
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| 486 | <term><command>useradd</command></term> |
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| 487 | <listitem> |
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| 488 | <para>Creates a new user with the given name, or updates the default |
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| 489 | new-user information</para> |
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| 490 | <indexterm zone="ch-system-shadow useradd"> |
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| 491 | <primary sortas="b-useradd">useradd</primary> |
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| 492 | </indexterm> |
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| 493 | </listitem> |
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| 494 | </varlistentry> |
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| 495 | |
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| 496 | <varlistentry id="userdel"> |
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| 497 | <term><command>userdel</command></term> |
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| 498 | <listitem> |
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| 499 | <para>Deletes the given user account</para> |
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| 500 | <indexterm zone="ch-system-shadow userdel"> |
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| 501 | <primary sortas="b-userdel">userdel</primary> |
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| 502 | </indexterm> |
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| 503 | </listitem> |
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| 504 | </varlistentry> |
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| 505 | |
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| 506 | <varlistentry id="usermod"> |
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| 507 | <term><command>usermod</command></term> |
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| 508 | <listitem> |
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| 509 | <para>Is used to modify the given user's login name, User |
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| 510 | Identification (UID), shell, initial group, home directory, etc.</para> |
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| 511 | <indexterm zone="ch-system-shadow usermod"> |
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| 512 | <primary sortas="b-usermod">usermod</primary> |
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| 513 | </indexterm> |
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| 514 | </listitem> |
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| 515 | </varlistentry> |
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| 516 | |
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| 517 | <varlistentry id="vigr"> |
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| 518 | <term><command>vigr</command></term> |
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| 519 | <listitem> |
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| 520 | <para>Edits the <filename>/etc/group</filename> or |
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| 521 | <filename>/etc/gshadow</filename> files</para> |
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| 522 | <indexterm zone="ch-system-shadow vigr"> |
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| 523 | <primary sortas="b-vigr">vigr</primary> |
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| 524 | </indexterm> |
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| 525 | </listitem> |
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| 526 | </varlistentry> |
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| 527 | |
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| 528 | <varlistentry id="vipw"> |
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| 529 | <term><command>vipw</command></term> |
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| 530 | <listitem> |
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| 531 | <para>Edits the <filename>/etc/passwd</filename> or |
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| 532 | <filename>/etc/shadow</filename> files</para> |
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| 533 | <indexterm zone="ch-system-shadow vipw"> |
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| 534 | <primary sortas="b-vipw">vipw</primary> |
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| 535 | </indexterm> |
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| 536 | </listitem> |
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| 537 | </varlistentry> |
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| 538 | |
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| 539 | <varlistentry id="libshadow"> |
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| 540 | <term><filename class="libraryfile">libshadow</filename></term> |
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| 541 | <listitem> |
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| 542 | <para>Contains functions used by most programs in this package</para> |
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| 543 | <indexterm zone="ch-system-shadow libshadow"> |
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| 544 | <primary sortas="c-libshadow">libshadow</primary> |
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| 545 | </indexterm> |
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| 546 | </listitem> |
---|
| 547 | </varlistentry> |
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| 548 | |
---|
| 549 | </variablelist> |
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| 550 | |
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| 551 | </sect2> |
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| 552 | |
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| 553 | </sect1> |
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