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<?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-revisedchroot">
<?dbhtml filename="revisedchroot.html"?>
<title>Cleaning Up</title>
<para>Finally, clean up some extra files left around from running tests:</para>
<screen><userinput>rm -rf /tmp/*</userinput></screen>
<para>Now log out and reenter the chroot environment with an updated
chroot command. From now on, use this updated chroot command any time
you need to reenter the chroot environment after exiting:</para>
<screen role="nodump"><userinput>logout
chroot "$LFS" /usr/bin/env -i \
HOME=/root TERM="$TERM" \
PS1='(lfs chroot) \u:\w\$ ' \
PATH=/usr/bin:/usr/sbin \
/bin/bash --login</userinput></screen>
<para>Here the <parameter>+h</parameter> option is not used anymore, since
all the previous programs have been replaced: hashing is therefore
possible.</para>
<para>If the virtual kernel file systems have been unmounted, either manually
or through a reboot, ensure that the virtual kernel file systems are mounted
when reentering the chroot. This process was explained in <xref
linkend="ch-tools-bindmount"/> and <xref
linkend="ch-tools-kernfsmount"/>.</para>
<para>There are also several files installed in the /usr/lib and /usr/libexec
directories with a file name extension of .la. These are "libtool archive"
files. As already said, they are only useful when linking with static
libraries. They are unneeded, and potentially harmful, when using dynamic
shared libraries, specially when using also non-autotools build systems.
To remove them, run:</para>
<screen><userinput>find /usr/lib /usr/libexec -name \*.la -delete</userinput></screen>
<para>For more information about libtool archive files, see the <ulink
url="&blfs-book;/introduction/la-files.html">BLFS section "About Libtool
Archive (.la) files"</ulink>.</para>
<para>The compiler built in <xref linkend="chapter-temporary-tools"/> and
<xref linkend="chapter-chroot-temporary-tools"/> is still partially
installed and not needed anymore. Remove it with:</para>
<screen><userinput>find /usr -depth -name $(uname -m)-lfs-linux-gnu\* | xargs rm -rf</userinput></screen>
<para>Finally, remove the temporary 'tester' user account created at the
beginning of the previous chapter.</para>
<screen><userinput>userdel -r tester</userinput></screen>
</sect1>
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