diff options
Diffstat (limited to 'chapter06/chroot.xml')
| -rw-r--r-- | chapter06/chroot.xml | 63 |
1 files changed, 0 insertions, 63 deletions
diff --git a/chapter06/chroot.xml b/chapter06/chroot.xml deleted file mode 100644 index c4a66bf00..000000000 --- a/chapter06/chroot.xml +++ /dev/null @@ -1,63 +0,0 @@ -<?xml version="1.0" encoding="ISO-8859-1"?> -<!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN" - "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [ - <!ENTITY % general-entities SYSTEM "../general.ent"> - %general-entities; -]> - -<sect1 id="ch-system-chroot"> - <?dbhtml filename="chroot.html"?> - - <title>Entering the Chroot Environment</title> - - <para>It is time to enter the chroot environment to begin building and - installing the final LFS system. As user <systemitem - class="username">root</systemitem>, run the following command to enter the - realm that is, at the moment, populated with only the temporary tools:</para> - -<screen role="nodump"><userinput>chroot "$LFS" /tools/bin/env -i \ - HOME=/root \ - TERM="$TERM" \ - PS1='(lfs chroot) \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 <envar>HOME</envar>, <envar>TERM</envar>, <envar>PS1</envar>, and - <envar>PATH</envar> variables are set again. The - <parameter>TERM=$TERM</parameter> construct will set the <envar>TERM</envar> - variable inside chroot to the same value as outside chroot. This variable is - needed for programs like <command>vim</command> and <command>less</command> - to operate properly. If other variables are needed, such as - <envar>CFLAGS</envar> or <envar>CXXFLAGS</envar>, this is a good place to set - them again.</para> - - <para>From this point on, there is no need to use the - <envar>LFS</envar> variable anymore, because all work will be restricted - to the LFS file system. This is because the Bash shell is told that - <filename class="directory">$LFS</filename> is now the root - (<filename class="directory">/</filename>) directory.</para> - - <para>Notice that <filename class="directory">/tools/bin</filename> comes last - in the <envar>PATH</envar>. This means that a temporary tool will no longer be - used once its final version is installed. This occurs when the shell does not - <quote>remember</quote> 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>Note that the <command>bash</command> prompt will say - <computeroutput>I have no name!</computeroutput> This is normal because the - <filename>/etc/passwd</filename> file has not been created yet.</para> - - <note> - <para>It is important that all the commands throughout the remainder of this - chapter and the following chapters are run from within the chroot - environment. If you leave this environment for any reason (rebooting for - example), ensure that the virtual kernel filesystems are mounted as - explained in <xref linkend="ch-system-bindmount"/> and <xref - linkend="ch-system-kernfsmount"/> and enter chroot again before continuing - with the installation.</para> - </note> - -</sect1> |