[673b0d8] | 1 | <?xml version="1.0" encoding="ISO-8859-1"?>
|
---|
| 2 | <!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.3//EN" "http://www.oasis-open.org/docbook/xml/4.3/docbookx.dtd" [
|
---|
| 3 | <!ENTITY % general-entities SYSTEM "../general.ent">
|
---|
| 4 | %general-entities;
|
---|
| 5 | ]>
|
---|
| 6 | <sect1 id="ch-tools-addinguser">
|
---|
| 7 | <title>Adding the user lfs</title>
|
---|
| 8 | <?dbhtml filename="addinguser.html"?>
|
---|
| 9 |
|
---|
| 10 | <para>When logged in as <emphasis>root</emphasis>, making a single mistake
|
---|
| 11 | can damage or even wreck your system. Therefore we recommend that you
|
---|
| 12 | build the packages in this chapter as an unprivileged user. You could
|
---|
| 13 | of course use your own user name, but to make it easier to set up a clean
|
---|
| 14 | work environment we'll create a new user <emphasis>lfs</emphasis> and
|
---|
| 15 | use this one during the installation process. As <emphasis>root</emphasis>,
|
---|
| 16 | issue the following command to add the new user:</para>
|
---|
| 17 |
|
---|
| 18 | <screen><userinput>useradd -s /bin/bash -m -k /dev/null lfs</userinput></screen>
|
---|
| 19 |
|
---|
| 20 | <para>The meaning of the switches:</para>
|
---|
| 21 |
|
---|
[55851d6] | 22 | <variablelist>
|
---|
| 23 | <varlistentry>
|
---|
| 24 | <term><parameter>-s /bin/bash</parameter></term>
|
---|
| 25 | <listitem><para>This makes
|
---|
| 26 | <command>bash</command> the default shell for user
|
---|
[673b0d8] | 27 | <emphasis>lfs</emphasis>.</para></listitem>
|
---|
[55851d6] | 28 | </varlistentry>
|
---|
[673b0d8] | 29 |
|
---|
[55851d6] | 30 | <varlistentry>
|
---|
| 31 | <term><parameter>-m</parameter></term>
|
---|
| 32 | <listitem><para>This creates a home
|
---|
[673b0d8] | 33 | directory for <emphasis>lfs</emphasis>.</para></listitem>
|
---|
[55851d6] | 34 | </varlistentry>
|
---|
[673b0d8] | 35 |
|
---|
[55851d6] | 36 | <varlistentry>
|
---|
| 37 | <term><parameter>-k /dev/null</parameter></term>
|
---|
| 38 | <listitem><para>This parameter
|
---|
[673b0d8] | 39 | prevents possible copying of files from a skeleton directory (default
|
---|
[55851d6] | 40 | is <filename class="directory">/etc/skel</filename>) by changing the input location to
|
---|
[673b0d8] | 41 | the special null device.</para></listitem>
|
---|
[55851d6] | 42 | </varlistentry>
|
---|
| 43 | </variablelist>
|
---|
[673b0d8] | 44 |
|
---|
| 45 | <para>If you want to be able to log in as <emphasis>lfs</emphasis>, then give
|
---|
| 46 | <emphasis>lfs</emphasis> a password:</para>
|
---|
| 47 |
|
---|
| 48 | <screen><userinput>passwd lfs</userinput></screen>
|
---|
| 49 |
|
---|
| 50 | <para>and grant <emphasis>lfs</emphasis> full access to
|
---|
| 51 | <filename class="directory">$LFS/tools</filename> by making
|
---|
| 52 | <emphasis>lfs</emphasis> the directory owner:</para>
|
---|
| 53 |
|
---|
| 54 | <screen><userinput>chown lfs $LFS/tools</userinput></screen>
|
---|
| 55 |
|
---|
| 56 | <para>If you made a separate working directory as suggested, give user
|
---|
| 57 | <emphasis>lfs</emphasis> ownership of this directory too:</para>
|
---|
| 58 |
|
---|
| 59 | <screen><userinput>chown lfs $LFS/sources</userinput></screen>
|
---|
| 60 |
|
---|
| 61 | <para>Next, login as user <emphasis>lfs</emphasis>. This can be done via a
|
---|
| 62 | virtual console, through a display manager, or with the following substitute
|
---|
| 63 | user command:</para>
|
---|
| 64 |
|
---|
| 65 | <screen><userinput>su - lfs</userinput></screen>
|
---|
| 66 |
|
---|
[55851d6] | 67 | <para>The <quote><parameter>-</parameter></quote> instructs <command>su</command> to
|
---|
[673b0d8] | 68 | start a <emphasis>login</emphasis> shell.</para>
|
---|
| 69 |
|
---|
| 70 | </sect1>
|
---|