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Reword explanation of GROUP parameter in /etc/default/useradd

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Tell that 999 comes from the --gid parameter, and that we already have
a group "users" with this gid to prevent messages when first using useradd.
This commit is contained in:
Pierre Labastie 2022-01-04 17:53:09 +01:00
parent 7f13657de1
commit 2b3f5219bc
1 changed files with 12 additions and 6 deletions
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18
chapter08/shadow.xml
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@ -188,6 +188,7 @@ make -C man install-man</userinput></screen>
<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>
@ -198,15 +199,20 @@ useradd -D --gid 999</userinput></screen>
<term><parameter>GROUP=999</parameter></term>
<listitem>
<para>This parameter sets the beginning of the group numbers used in
the /etc/group file. You can modify it to anything you desire. Note
that <command>useradd</command> will never reuse a UID or GID. If the
the <filename>/etc/group</filename> file. The particular value 999
comes from the <parameter>--gid</parameter> parameter above.
You can modify it to anything you desire. Note that
<command>useradd</command> will never reuse a UID or GID. If the
number identified in this parameter is used, it will use the next
available number after this. Note also that if you don't have a group
1000 on your system the first time you use <command>useradd</command>
available number after this. Note also that if you don't have a
group with an ID equal to this number on your system the first
time you use <command>useradd</command>
without the <parameter>-g</parameter> parameter, you'll get a message
displayed on the terminal that says:
<computeroutput>useradd: unknown GID 1000</computeroutput>. You may
disregard this message and group number 1000 will be used.</para>
<computeroutput>useradd: unknown GID 999</computeroutput>, although
the account is correctly created. That is
why we have earlier created the group <parameter>users</parameter>
with this group ID.</para>
</listitem>
</varlistentry>
<varlistentry>