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Diffstat (limited to 'chapter06/chroot.xml')
| -rw-r--r-- | chapter06/chroot.xml | 40 |
1 files changed, 1 insertions, 39 deletions
diff --git a/chapter06/chroot.xml b/chapter06/chroot.xml index 238dc5381..f3014f3ee 100644 --- a/chapter06/chroot.xml +++ b/chapter06/chroot.xml @@ -7,49 +7,11 @@ <title>Entering the chroot environment</title> <?dbhtml filename="chroot.html"?> -<para>It is time to enter the chroot environment in order to begin building -and installing your final LFS system. Still as <emphasis>root</emphasis> run -the following command to enter the small world that is, at the moment, -populated with only the temporary tools:</para> +<para>Enter the chroot environment:</para> <screen><userinput>chroot "$LFS" /tools/bin/env -i \ HOME=/root TERM="$TERM" PS1='\u:\w\$ ' \ PATH=/bin:/usr/bin:/sbin:/usr/sbin:/tools/bin \ /tools/bin/bash --login +h</userinput></screen> -<para>The <parameter>-i</parameter> option given to the -<command>env</command> command will clear all variables of the chroot -environment. After that, only the HOME, TERM, PS1 and PATH variables are -set again. The <parameter>TERM=$TERM</parameter> construct will set the TERM variable inside chroot -to the same value as outside chroot; this variable is needed for programs -like <command>vim</command> and <command>less</command> to operate -properly. If you need other variables present, such as CFLAGS or CXXFLAGS, -this is a good place to set them again.</para> - -<para>From this point on there's no need to use the LFS variable anymore, -because everything you do will be restricted to the LFS file system -- since -what the shell thinks is <filename class="directory">/</filename> is actually -the value of <filename class="directory">$LFS</filename>, which was passed to -the chroot command.</para> - -<para>Notice that <filename class="directory">/tools/bin</filename> comes -last in the PATH. This means that a temporary tool will not be used any more -as soon as its final version is installed. Well, at least when the shell -doesn't remember the locations of executed binaries -- for this reason hashing -is switched off by passing the <parameter>+h</parameter> option to -<command>bash</command>.</para> - -<para>You have to make sure all the commands in the rest of this chapter and -in the following chapters are run from within the chroot environment. -If you ever leave this environment for any reason (rebooting for example), -you must remember to first mount the <systemitem class="filesystem">proc</systemitem> -and <systemitem class="filesystem">devpts</systemitem> file systems (discussed -in the previous section) <emphasis>and</emphasis> enter chroot again before -continuing with the installations.</para> - -<para>Note that the <command>bash</command> prompt will say -<computeroutput>I have no name!</computeroutput> This is -normal, as the <filename>/etc/passwd</filename> file has not been created yet. -</para> - </sect1> |