Changeset 7f13657d for chapter08/shadow.xml

Timestamp:

01/04/2022 11:38:18 AM (2 years ago)

Author:

Pierre Labastie <pierre.labastie@…>

Branches:

11.1, 11.1-rc1, 11.2, 11.2-rc1, 11.3, 11.3-rc1, 12.0, 12.0-rc1, 12.1, 12.1-rc1, arm, bdubbs/gcc13, multilib, renodr/libudev-from-systemd, s6-init, trunk, xry111/arm64, xry111/arm64-12.0, xry111/clfs-ng, xry111/lfs-next, xry111/loongarch, xry111/loongarch-12.0, xry111/loongarch-12.1, xry111/mips64el, xry111/pip3, xry111/rust-wip-20221008, xry111/update-glibc

Children:

2b3f5219

Parents:

d21ec2f

git-author:

Pierre Labastie <pierre.labastie@…> (01/04/2022 11:34:59 AM)

git-committer:

Pierre Labastie <pierre.labastie@…> (01/04/2022 11:38:18 AM)

Message:

shadow: move /etc/default/useradd creation to "Configuration"

This is needed so that /etc/default/useradd is not removed by package
managers when rebuilding shadow in BLFS. Change the explanations in
the text accordingly.

File:

• chapter08/shadow.xml (modified) (5 diffs)

chapter08/shadow.xml

@@ -144 +144 @@
 
     <screen><userinput remap="install">make exec_prefix=/usr install
-make -C man install-man
-mkdir -p /etc/default
-useradd -D --gid 999</userinput></screen>
+make -C man install-man</userinput></screen>
 
   </sect2>
@@ -175 +173 @@
 <screen><userinput>grpconv</userinput></screen>
 
-    <para>Shadow's stock configuration for the <command>useradd</command>
+    <para>Shadow's default configuration for the <command>useradd</command>
     utility has a few caveats that need some explanation. First, the default
     action for the <command>useradd</command> utility is to create the user and
@@ -182 +180 @@
     parameters to <command>useradd</command>, each user will be a member of a
     unique group on the system. If this behavior is undesirable, you'll need
-    to pass the <parameter>-g</parameter> parameter to
-    <command>useradd</command>. The default parameters are stored in the
-    <filename>/etc/default/useradd</filename> file. You may need to modify two
-    parameters in this file to suit your particular needs.</para>
+    to pass one of the <parameter>-g</parameter> or <parameter>-N</parameter>
+    parameter to <command>useradd</command> or to change the setting of
+    <parameter>USERGROUPS_ENAB</parameter> in
+    <filename>/etc/login.defs</filename>. See <filename>useradd(8)</filename>
+    for more information.</para>
+
+    <para>Second, to change the default parameters, the file
+    <filename>/etc/default/useradd</filename> needs to be created and taylored
+    to suit your particular needs. Create it with:</para>
+<screen><userinput>mkdir -p /etc/default
+useradd -D --gid 999</userinput></screen>
 
     <variablelist>
@@ -191 +196 @@
 
       <varlistentry>
-        <term><parameter>GROUP=1000</parameter></term>
+        <term><parameter>GROUP=999</parameter></term>
         <listitem>
           <para>This parameter sets the beginning of the group numbers used in
@@ -216 +221 @@
           command:</para>
 
-<screen><userinput>sed -i 's/yes/no/' /etc/default/useradd</userinput></screen>
+<screen><userinput>sed -i '/MAIL/s/yes/no/' /etc/default/useradd</userinput></screen>
         </listitem>
       </varlistentry>
 
     </variablelist>
-
 
   </sect2>