diff options
| author | Pierre Labastie <pieere@linuxfromscratch.org> | 2020-05-03 21:02:51 +0000 |
|---|---|---|
| committer | Pierre Labastie <pieere@linuxfromscratch.org> | 2020-05-03 21:02:51 +0000 |
| commit | efcb3933433838b71f3a4a53ec1ac6d899aaec0b (patch) | |
| tree | f0b1fb24d5ac7ebb93cc2deddefbc16938ea49d0 /chapter05/changingowner.xml | |
| parent | 9d719e24c33f9a2ecf8a5582cd811c43a8fa46c2 (diff) | |
Make the new book
git-svn-id: http://svn.linuxfromscratch.org/LFS/branches/cross-chap5@11831 4aa44e1e-78dd-0310-a6d2-fbcd4c07a689
Diffstat (limited to 'chapter05/changingowner.xml')
| -rw-r--r-- | chapter05/changingowner.xml | 30 |
1 files changed, 9 insertions, 21 deletions
diff --git a/chapter05/changingowner.xml b/chapter05/changingowner.xml index 96a15b027..43a902821 100644 --- a/chapter05/changingowner.xml +++ b/chapter05/changingowner.xml @@ -18,36 +18,24 @@ class="username">root</systemitem>'s environment.</para> </note> - <para>Currently, the <filename class="directory">$LFS/tools</filename> directory + <para>Currently, the whole directory hierarchy in <filename + class="directory">$LFS</filename> is owned by the user <systemitem class="username">lfs</systemitem>, a user - that exists only on the host system. If the <filename - class="directory">$LFS/tools</filename> directory is kept as is, the files are + that exists only on the host system. If the directories under <filename + class="directory">$LFS</filename> are kept as they are, the files are owned by a user ID without a corresponding account. This is dangerous because - a user account created later could get this same user ID and would own the - <filename class="directory">$LFS/tools</filename> directory and all the files - therein, thus exposing these files to possible malicious manipulation.</para> + a user account created later could get this same user ID and would own all + the files under <filename class="directory">$LFS</filename>, thus exposing + these files to possible malicious manipulation.</para> <para>To avoid this issue, you could add the <systemitem class="username">lfs</systemitem> user to the new LFS system later when creating the <filename>/etc/passwd</filename> file, taking care to assign it the same user and group IDs as on the host system. Better yet, change the - ownership of the <filename class="directory">$LFS/tools</filename> directory to + ownership of the <filename class="directory">$LFS/*</filename> directories to user <systemitem class="username">root</systemitem> by running the following command:</para> -<screen><userinput>chown -R root:root $LFS/tools</userinput></screen> - - <para>Although the <filename class="directory">$LFS/tools</filename> directory - can be deleted once the LFS system has been finished, it can be retained to build - additional LFS systems <emphasis>of the same book version</emphasis>. How best - to backup <filename class="directory">$LFS/tools</filename> is a matter of - personal preference.</para> - - <caution> - <para>If you intend to keep the temporary tools for use in building future LFS - systems, <emphasis>now</emphasis> is the time to back them up. Subsequent - commands in chapter 6 will alter the tools currently in place, rendering them - useless for future builds.</para> - </caution> +<screen><userinput>chown -R root:root $LFS/{usr,lib,var,etc,bin,sbin,lib64,tools}</userinput></screen> </sect1> |