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diff --git a/chapter05/creatingdirs.xml b/chapter05/creatingdirs.xml new file mode 100644 index 000000000..8c0c369a5 --- /dev/null +++ b/chapter05/creatingdirs.xml @@ -0,0 +1,66 @@ +<sect1 id="ch05-creatingdirs"> +<title>Creating directories</title> +<?dbhtml filename="creatingdirs.html" dir="chapter05"?> + +<para>Let's now create the directory tree on the LFS partition based on +the FHS standard, which can be found at +<ulink url="http://www.pathname.com/fhs/">http://www.pathname.com/fhs/</ulink>. +Issuing the following commands will create a default directory layout:</para> + +<para><screen><userinput>cd $LFS && +mkdir -p bin boot dev/pts etc/opt home lib mnt proc root sbin tmp var opt && +for dirname in $LFS/usr $LFS/usr/local +<literal> do</literal> + mkdir $dirname + cd $dirname + mkdir bin etc include lib sbin share src var + ln -s share/man + ln -s share/doc + ln -s share/info + cd $dirname/share + mkdir dict doc info locale man nls misc terminfo zoneinfo + cd $dirname/share/man + mkdir man{1,2,3,4,5,6,7,8} +done && +cd $LFS/var && +mkdir -p lock log mail run spool tmp opt cache lib/misc local && +cd $LFS/opt && +mkdir bin doc include info lib man && +cd $LFS/usr && +ln -s ../var/tmp</userinput></screen></para> + +<para>Normally, directories are created with permission mode 755, which isn't +desired for all directories. The first change is a mode 0750 for the +$LFS/root directory. This is to make sure that not just everybody can +enter the /root directory (the same a user would do with /home/username +directories). The second change is a mode 1777 for the tmp +directories. This way, any user can write data to the /tmp or /var/tmp +directory but cannot remove another user's files (the latter is caused +by the so-called "sticky bit" - bit 1 of the 1777 bit mask).</para> + +<para><screen><userinput>cd $LFS && +chmod 0750 root && +chmod 1777 tmp var/tmp</userinput></screen></para> + +<para>Now that the directories are created, copy the source files that were +downloaded in chapter 3 to some subdirectory under $LFS/usr/src (you +will need to create the desired directory yourself).</para> + +<sect2> +<title>FHS compliance notes</title> + +<para>The FHS stipulates that the /usr/local directory should contain the +bin, games,include, lib, man, sbin, and share subdirectories. You can +alter your /usr/local directory yourself if you want your system +to be FHS-compliant.</para> + +<para>Also, the standard says that there should exist a /usr/share/games +directory, which we don't much like for a base system. But feel free to +make your system FHS-compliant if you wish. The FHS isn't precise as +to the structure of the /usr/local/share subdirectories, so we took the +liberty of creating the directories that we felt needed.</para> + +</sect2> + +</sect1> + |