[3f8be484] | 1 | <?xml version="1.0" encoding="ISO-8859-1"?> |
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[aa18ac0] | 2 | <!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN" |
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| 3 | "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [ |
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[3f8be484] | 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-final-preps-addinguser"> |
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| 9 | <?dbhtml filename="addinguser.html"?> |
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| 10 | |
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[95112ed] | 11 | <title>Adding the CLFS User</title> |
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[3f8be484] | 12 | |
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| 13 | <para>When logged in as user <systemitem class="username">root</systemitem>, |
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| 14 | making a single mistake can damage or destroy a system. Therefore, we |
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| 15 | recommend building the packages as an unprivileged user. |
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| 16 | You could use your own user name, but to make it easier to set up a clean |
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| 17 | work environment, create a new user called <systemitem |
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[95112ed] | 18 | class="username">clfs</systemitem> as a member of a new group (also named |
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| 19 | <systemitem class="groupname">clfs</systemitem>) and use this user during |
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[3f8be484] | 20 | the installation process. As <systemitem class="username">root</systemitem>, |
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| 21 | issue the following commands to add the new user:</para> |
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| 22 | |
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[95112ed] | 23 | <screen><userinput>groupadd clfs |
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[a4b892f] | 24 | useradd -s /bin/bash -g clfs -d /home/clfs clfs |
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| 25 | mkdir -pv /home/clfs |
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| 26 | chown -v clfs:clfs /home/clfs</userinput></screen> |
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[3f8be484] | 27 | |
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| 28 | <variablelist> |
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| 29 | <title>The meaning of the command line options:</title> |
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| 30 | |
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| 31 | <varlistentry> |
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| 32 | <term><parameter>-s /bin/bash</parameter></term> |
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| 33 | <listitem> |
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| 34 | <para>This makes <command>bash</command> the default shell for |
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[95112ed] | 35 | user <systemitem class="username">clfs</systemitem>.</para> |
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[3f8be484] | 36 | </listitem> |
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| 37 | </varlistentry> |
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| 38 | |
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| 39 | <varlistentry> |
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[95112ed] | 40 | <term><parameter>-g clfs</parameter></term> |
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[3f8be484] | 41 | <listitem> |
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[95112ed] | 42 | <para>This option adds user <systemitem class="username">clfs</systemitem> |
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| 43 | to group <systemitem class="groupname">clfs</systemitem>.</para> |
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[3f8be484] | 44 | </listitem> |
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| 45 | </varlistentry> |
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| 46 | |
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| 47 | <varlistentry> |
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[95112ed] | 48 | <term><parameter>clfs</parameter></term> |
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[3f8be484] | 49 | <listitem> |
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| 50 | <para>This is the actual name for the created group and user.</para> |
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| 51 | </listitem> |
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| 52 | </varlistentry> |
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| 53 | |
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| 54 | </variablelist> |
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| 55 | |
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[95112ed] | 56 | <para>To log in as <systemitem class="username">clfs</systemitem> (as |
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| 57 | opposed to switching to user <systemitem class="username">clfs</systemitem> |
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[3f8be484] | 58 | when logged in as <systemitem class="username">root</systemitem>, which |
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[95112ed] | 59 | does not require the <systemitem class="username">clfs</systemitem> user |
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| 60 | to have a password), give <systemitem class="username">clfs</systemitem> |
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[3f8be484] | 61 | a password:</para> |
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| 62 | |
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[95112ed] | 63 | <screen><userinput>passwd clfs</userinput></screen> |
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[3f8be484] | 64 | |
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[95112ed] | 65 | <para>Grant <systemitem class="username">clfs</systemitem> full access to |
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[040521bc] | 66 | <filename class="directory">${CLFS}/cross-tools</filename> and |
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| 67 | <filename class="directory">${CLFS}/tools</filename> by making <systemitem |
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[95112ed] | 68 | class="username">clfs</systemitem> the directorys' owner:</para> |
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[3f8be484] | 69 | |
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[040521bc] | 70 | <screen><userinput>chown -v clfs ${CLFS}/tools |
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| 71 | chown -v clfs ${CLFS}/cross-tools</userinput></screen> |
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[3f8be484] | 72 | |
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[8659630] | 73 | <para>If a separate working directory was created as suggested, |
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[95112ed] | 74 | give user <systemitem class="username">clfs</systemitem> ownership of this directory:</para> |
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[3f8be484] | 75 | |
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[040521bc] | 76 | <screen><userinput>chown -v clfs ${CLFS}/sources</userinput></screen> |
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[3f8be484] | 77 | |
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[95112ed] | 78 | <para>Next, login as user <systemitem class="username">clfs</systemitem>. |
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[3f8be484] | 79 | This can be done via a virtual console, through a display manager, or |
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| 80 | with the following substitute user command:</para> |
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| 81 | |
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[95112ed] | 82 | <screen><userinput>su - clfs</userinput></screen> |
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[3f8be484] | 83 | |
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| 84 | <para>The <quote><parameter>-</parameter></quote> instructs |
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| 85 | <command>su</command> to start a login shell as opposed to a non-login |
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| 86 | shell. The difference between these two types of shells can be found |
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| 87 | in detail in <filename>bash(1)</filename> and <command>info |
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| 88 | bash</command>.</para> |
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| 89 | |
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| 90 | </sect1> |
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