diff options
Diffstat (limited to 'chapter06/proc.xml')
| -rw-r--r-- | chapter06/proc.xml | 52 |
1 files changed, 0 insertions, 52 deletions
diff --git a/chapter06/proc.xml b/chapter06/proc.xml deleted file mode 100644 index 919abf6a8..000000000 --- a/chapter06/proc.xml +++ /dev/null @@ -1,52 +0,0 @@ -<?xml version="1.0" encoding="ISO-8859-1"?> -<!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.3//EN" "http://www.oasis-open.org/docbook/xml/4.3/docbookx.dtd"> -<sect1 id="ch-system-proc"> -<title>Mounting the proc and devpts file systems</title> -<?dbhtml filename="proc.html"?> - -<para>In order for certain programs to function properly, the -<emphasis>proc</emphasis> and <emphasis>devpts</emphasis> file systems must be -available within the chroot environment. The proc file system is the process -information pseudo file system through which the kernel provides information -about the status of the system. And the devpts file system is nowadays the most -common way pseudo terminals (PTYs) are implemented. Since kernel version 2.4, a -file system can be mounted as many times and in as many places as you like, -thus it's not a problem that these file systems are already mounted on your -host system, especially so because they are virtual file systems.</para> - -<para>First become <emphasis>root</emphasis>, as only <emphasis>root</emphasis> -can mount file systems in unusual places. Then check again that the LFS -environment variable is set correctly by running <userinput>echo -$LFS</userinput> and making sure it shows the path to your LFS partition's -mount point, which is <filename class="directory">/mnt/lfs</filename> if you -followed our example.</para> - -<para>Now make the mount points for these filesystems:</para> - -<screen><userinput>mkdir -p $LFS/{proc,dev/pts}</userinput></screen> - -<para>Mount the <emphasis>proc</emphasis> file system with:</para> - -<screen><userinput>mount proc $LFS/proc -t proc</userinput></screen> - -<para>And mount the <emphasis>devpts</emphasis> file system with:</para> - -<screen><userinput>mount devpts $LFS/dev/pts -t devpts</userinput></screen> - -<para>This last command might fail with an error like:</para> - -<blockquote><screen>filesystem devpts not supported by kernel</screen></blockquote> - -<para>The most likely cause for this is that your host system's kernel was -compiled without support for the devpts file system (you can check which file -systems your kernel supports with <command>cat /proc/filesystems</command>, -for example). A few PTYs are needed to be able to run the suites for Binutils -and GCC later on. If your kernel does not support devpts, do not worry, there -is another way to get them working inside the chroot environment. We'll cover -this shortly in the <xref linkend="ch-system-MAKEDEV"/> section.</para> - -<para>Remember that if for any reason you stop working on your LFS, and start -again later, it's important to check that these file systems are mounted again -before entering the chroot environment, otherwise problems could occur.</para> - -</sect1> |