From beb80e291d09a6ca6f1855b42ae3178514b0a848 Mon Sep 17 00:00:00 2001 From: Bruce Dubbs Date: Mon, 6 Sep 2021 09:32:47 -0500 Subject: Update text in Chapter 7 Backup/Restore sections Patch by Kevin Buckley. Also made minor clarification to umount commands. --- chapter07/cleanup.xml | 76 ++++++++++++++++++++++++++++----------------------- 1 file changed, 42 insertions(+), 34 deletions(-) (limited to 'chapter07') diff --git a/chapter07/cleanup.xml b/chapter07/cleanup.xml index 36af2cfaa..8e80bdc40 100644 --- a/chapter07/cleanup.xml +++ b/chapter07/cleanup.xml @@ -20,7 +20,7 @@ Second, the libtool .la files are only useful when linking with static libraries. They are unneeded and potentially harmful when using dynamic - shared libraries, specially when using non-autotools build systems. + shared libraries, especially when using non-autotools build systems. While still in chroot, remove those files now: find /usr/{lib,libexec} -name \*.la -delete @@ -37,6 +37,17 @@ 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 option to recover. Unfortunately, all the + temporary files will be removed, too. To avoid spending extra time to + redo something which has been built 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 + + If you have decided to make a backup, leave the chroot environment: + + +exit + - All of the following instructions are executed by - root. Take extra - care about the commands you're going to run as mistakes + + All of the following instructions are executed by + root on your host system. + Take extra care about the commands you're going to run as mistakes here can modify your host system. Be aware that the environment variable LFS is set for user lfs by default but may not be set for - root. Whenever - commands are to be executed by root, + root. + + + Whenever commands are to be executed by root, make sure you have set LFS. + + This has been discussed in . - - Now, if you are making a backup, leave the chroot environment: - + Before making a backup, unmount the virtual file systems: -exit +umount $LFS/dev/pts +umount $LFS/{sys,proc,run,dev} - At this point the essential programs and libraries have been created - and your current 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 option to recover. Unfortunately, all the - temporary files will be removed, too. To avoid spending extra time to - redo something which has been built successfully, prepare a backup. + Make sure you have at least 1 GB free disk space (the source tarballs + will be included in the backup archive) on the filesystem containing + directory where you create the backup archive. - Make sure you have at least 1 GB free disk space (the source tarballs - will be included in the backup archive) in the home directory of user - root. + Note that the instructions below specify the home directory of the host + system's root user, which is + typically found on the root filesystem. - Before we make a backup, unmount the virtual file systems: - -umount $LFS/dev{/pts,} -umount $LFS/{sys,proc,run} + + Replace $HOME by a directory of your choice if you + do not want to have the backup stored in root's home directory. + Create the backup archive by running the following command: @@ -107,11 +125,6 @@ umount $LFS/{sys,proc,run} Because the backup archive is compressed, it takes a relatively long time (over 10 minutes) even on a resonably fast system. - - - Also, ensure the LFS environment variable is set - for the root user. - cd $LFS @@ -120,11 +133,6 @@ tar -cJpf $HOME/lfs-temp-tools-&version;.tar.xz . cd $LFS tar -cJpf $HOME/lfs-temp-tools-&versiond;.tar.xz . - - Replace $HOME by a directory of your choice if you - do not want to have the backup stored in root's home directory. - -- cgit v1.2.3-54-g00ecf