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Cleaning up and Saving the Temporary System
Cleaning
First, remove the currently installed documentation files to prevent them from ending up in the final system, and to save about 35 MB:
<userinput>rm -rf /usr/share/{info,man,doc}/*</userinput>
Second, on a modern Linux system, the libtool .la files are only useful for libltdl. No libraries in LFS are loaded by libltdl, and it's known that some .la files can cause BLFS package failures. Remove those files now:
<userinput>find /usr/{lib,libexec} -name \*.la -delete</userinput>
The current system size is now about 3 GB, however the /tools directory is no longer needed. It uses about 1 GB of disk space. Delete it now:
<userinput>rm -rf /tools</userinput>
Backup
At this point the essential programs and libraries have been created and your current LFS system is in a good state. Your system can now be backed up for later reuse. In case of fatal failures in the subsequent chapters, it often turns out that removing everything and starting over (more carefully) is the best way to recover. Unfortunately, all the temporary files will be removed, too. To avoid spending extra time to redo something which has been done successfully, creating a backup of the current LFS system may prove useful.
All the remaining steps in this section are optional. Nevertheless, as soon as you begin installing packages in <xref linkend="chapter-building-system"/>, the temporary files will be overwritten. So it may be a good idea to do a backup of the current system as described below.
The following steps are performed from outside the chroot environment. That means you have to leave the chroot environment first before continuing. The reason for that is to get access to file system locations outside of the chroot environment to store/read the backup archive, which ought not be placed within the <filename class="directory">$LFS</filename> hierarchy.
If you have decided to make a backup, leave the chroot environment:
<userinput>exit</userinput>
All of the following instructions are executed by <systemitem class="username">root</systemitem> on your host system. Take extra care about the commands you're going to run as mistakes made here can modify your host system. Be aware that the environment variable <envar>LFS</envar> is set for user <systemitem class="username">lfs</systemitem> by default but may <emphasis>not</emphasis> be set for <systemitem class="username">root</systemitem>.
Whenever commands are to be executed by <systemitem class="username">root</systemitem>, make sure you have set <envar>LFS</envar>.
This has been discussed in <xref linkend='ch-partitioning-aboutlfs'/>.

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  1. Linux From Scratch
  2. chapter07_cleanup
  3. English
Cleaning
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type: Content of: <sect1><sect2><title>
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lfs-en/chapter07/cleanup.xml:14
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a year ago
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Source string age
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