Added mounting the devpts filesystem into the new LFS partition

git-svn-id: http://svn.linuxfromscratch.org/LFS/trunk/BOOK@2735 4aa44e1e-78dd-0310-a6d2-fbcd4c07a689

1 files changed, 26 insertions, 7 deletions

diff --git a/chapter06/mountproc.xml b/chapter06/mountproc.xml
index e959d151e..66446e4a0 100644
--- a/chapter06/mountproc.xml
+++ b/chapter06/mountproc.xml
@@ -1,13 +1,13 @@
 <sect1 id="ch06-proc">
-<title>Mounting the proc file system</title>
+<title>Mounting the proc and devpts file systems</title>
 <?dbhtml filename="proc.html" dir="chapter06"?>
 
-<para>In order for certain programs to function properly, the proc file
-system must be available within the chroot environment.
+<para>In order for certain programs to function properly, the proc and devpts
+file systems must be available within the chroot environment.
 As a file system can be mounted as many times and in as many places
-as you like, it's not a problem that the proc file system is already
-mounted on your host system -- especially so because proc is a
-virtual file system.</para>
+as you like, it's not a problem that the these file systems are already
+mounted on your host system -- especially so because they are virtual 
+file systems.</para>
 
 <para>The proc file system is mounted under
 <filename class="directory">/proc</filename> by running the
@@ -15,6 +15,25 @@ following command:</para>
 
 <para><screen><userinput>mount proc /proc -t proc</userinput></screen></para>
 
+<para>The devpts file system is mounted to <filename class="directory">/dev/pts
+</filename> by running:</para>
+
+<para><screen><userinput>mount devpts /dev/pts -t devpts</userinput></screen>
+</para>
+
+<para>Should this command fail with an error to the effect of:</para>
+
+<blockquote><screen>filesystem devpts not supported by kernel</screen></blockquote>
+
+<para>It means that your host system does not support devpts.  You have two
+options at this point. You can either not worry about it, in which case some
+of the tests we will run later will fail, or you can use the following command 
+from a terminal not in chroot to put your host's pts system into your new 
+LFS's filesystem:</para>
+
+<para><screen><userinput>mount --bind /dev/pts $LFS/dev/pts</userinput></screen>
+</para>
+
 <para>You might get warning messages from the mount command, such as
 these:</para>
 
@@ -30,7 +49,7 @@ on your system configuration (such as the host system's Glibc version that was
 used to compile the mount program with).</para>
 
 <para>Remember, if for any reason you stop working on your LFS, and
-start again later, it's important to check that the proc filesystem is still
+start again later, it's important to check that these filesystems are still
 mounted inside the chroot enviornment. Otherwise, some programs might
 end up compiled incorrectly.</para>