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| author | Alex Gronenwoud <alex@linuxfromscratch.org> | 2003-11-13 22:31:27 +0000 |
|---|---|---|
| committer | Alex Gronenwoud <alex@linuxfromscratch.org> | 2003-11-13 22:31:27 +0000 |
| commit | d32239446ba4bfb4f259cf7cef7626cae2283c34 (patch) | |
| tree | 6857e1b0b2a81e27305f34ab5fae04d298ad5331 /chapter06/chroot.xml | |
| parent | cfabeeda7b517f8b7a202113d4c3c645c81579af (diff) | |
Moving most of chapter 6 intermezzos into a single file.
git-svn-id: http://svn.linuxfromscratch.org/LFS/trunk/BOOK@3081 4aa44e1e-78dd-0310-a6d2-fbcd4c07a689
Diffstat (limited to 'chapter06/chroot.xml')
| -rw-r--r-- | chapter06/chroot.xml | 56 |
1 files changed, 0 insertions, 56 deletions
diff --git a/chapter06/chroot.xml b/chapter06/chroot.xml deleted file mode 100644 index f733efda3..000000000 --- a/chapter06/chroot.xml +++ /dev/null @@ -1,56 +0,0 @@ -<sect1 id="ch06-chroot"> -<title>Entering the chroot environment</title> -<?dbhtml filename="chroot.html" dir="chapter06"?> - -<para>It is time to enter the chroot environment in order to begin installing -the packages we need. Before you can chroot, however, you need to become -<emphasis>root</emphasis>, since only <emphasis>root</emphasis> -can execute the <userinput>chroot</userinput> command.</para> - -<para>Just like earlier, ensure the LFS environment variable is set up properly -by running <userinput>echo $LFS</userinput> and ensuring it shows the path to -your LFS partition's mount point, which is -<filename class="directory">/mnt/lfs</filename> if you followed our -example.</para> - -<para>Become <emphasis>root</emphasis> and run the following command -to 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</userinput></screen> - -<para>The <userinput>-i</userinput> option given to the -<userinput>env</userinput> command will clear all variables of the chroot -environment. After that, only the HOME, TERM, PS1 and PATH variables are -set again. The TERM=$TERM construct will set the TERM variable inside chroot -to the same value as outside chroot; this variable is needed for programs -like <userinput>vim</userinput> and <userinput>less</userinput> to operate -properly. If you need other variables present, such as CFLAGS or CXXFLAGS, -this is a good place to set them again.</para> - -<para>From this point on there's no need to use the LFS variable anymore, -because everything you do will be restricted to the LFS file system -- since -what the shell thinks is <filename class="directory">/</filename> is actually -the value of <filename class="directory">$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 a bit further on.</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 again enter chroot and mount the proc and devpts -filesystems (discussed later) before continuing with the installations.</para> - -<para>Note that the bash prompt will say "I have no name!" This is -normal, as the <filename>/etc/passwd</filename> file has not been -created yet.</para> - -</sect1> - |