diff options
author | Manuel Canales Esparcia <manuel@linuxfromscratch.org> | 2006-02-03 20:54:03 +0000 |
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committer | Manuel Canales Esparcia <manuel@linuxfromscratch.org> | 2006-02-03 20:54:03 +0000 |
commit | 54e422c1d96d41a9fbc8938962b9cb0f1e087e94 (patch) | |
tree | 1e31d05727290ef4bc3d73b09521ad0a37da4a7c /chapter06/devices.xml | |
parent | 45b032ff258bb7d94d40da0eaae1e1960fff9d42 (diff) |
Indenting chapter 6, part 4
git-svn-id: http://svn.linuxfromscratch.org/LFS/trunk/BOOK@7340 4aa44e1e-78dd-0310-a6d2-fbcd4c07a689
Diffstat (limited to 'chapter06/devices.xml')
-rw-r--r-- | chapter06/devices.xml | 91 |
1 files changed, 49 insertions, 42 deletions
diff --git a/chapter06/devices.xml b/chapter06/devices.xml index da4af0a17..51821fe84 100644 --- a/chapter06/devices.xml +++ b/chapter06/devices.xml @@ -1,48 +1,55 @@ <?xml version="1.0" encoding="ISO-8859-1"?> -<!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.4//EN" "http://www.oasis-open.org/docbook/xml/4.4/docbookx.dtd" [ +<!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.4//EN" + "http://www.oasis-open.org/docbook/xml/4.4/docbookx.dtd" [ <!ENTITY % general-entities SYSTEM "../general.ent"> %general-entities; ]> + <sect1 id="ch-system-devices"> -<title>Populating /dev</title> -<?dbhtml filename="devices.html"?> + <?dbhtml filename="devices.html"?> + + <title>Populating /dev</title> -<indexterm zone="ch-system-devices"><primary sortas="e-/dev/">/dev/*</primary></indexterm> + <indexterm zone="ch-system-devices"> + <primary sortas="e-/dev/">/dev/*</primary> + </indexterm> -<sect2> -<title>Creating Initial Device Nodes</title> + <sect2> + <title>Creating Initial Device Nodes</title> -<para>When the kernel boots the system, it requires the presence of a few device -nodes, in particular the <filename class="devicefile">console</filename> and -<filename class="devicefile">null</filename> devices. The device nodes will -be created on the hard disk so that they are available before -<command>udev</command> has been started, and additionally when Linux is started -in single user mode (hence the restrictive permissions on -<filename class="devicefile">console</filename>). Create the devices by running -the following commands:</para> + <para>When the kernel boots the system, it requires the presence of a few + device nodes, in particular the <filename class="devicefile">console</filename> + and <filename class="devicefile">null</filename> devices. The device nodes + will be created on the hard disk so that they are available before + <command>udev</command> has been started, and additionally when Linux is + started in single user mode (hence the restrictive permissions on + <filename class="devicefile">console</filename>). Create the devices by + running the following commands:</para> <screen><userinput>mknod -m 600 /dev/console c 5 1 mknod -m 666 /dev/null c 1 3</userinput></screen> -</sect2> -<sect2> -<title>Mounting tmpfs and Populating /dev</title> + </sect2> + + <sect2> + <title>Mounting tmpfs and Populating /dev</title> -<para>The recommended method of populating the <filename -class="directory">/dev</filename> directory with devices is to mount a virtual -filesystem (such as <systemitem class="filesystem">tmpfs</systemitem>) on the -<filename class="directory">/dev</filename> directory, and allow the devices to -be created dynamically on that virtual filesystem as they are detected or -accessed. This is generally done during the boot process. Since this new system -has not been booted, it is necessary to do what the LFS-Bootscripts package would -otherwise do by mounting <filename class="directory">/dev</filename>:</para> + <para>The recommended method of populating the <filename + class="directory">/dev</filename> directory with devices is to mount a + virtual filesystem (such as <systemitem class="filesystem">tmpfs</systemitem>) + on the <filename class="directory">/dev</filename> directory, and allow the + devices to be created dynamically on that virtual filesystem as they are + detected or accessed. This is generally done during the boot process. Since + this new system has not been booted, it is necessary to do what the + LFS-Bootscripts package would otherwise do by mounting <filename + class="directory">/dev</filename>:</para> <screen><userinput>mount -nvt tmpfs none /dev</userinput></screen> -<para>The Udev package is what actually creates the devices in the <filename -class="directory">/dev</filename> directory. Since it will not be installed -until later on in the process, manually create the minimal set of device nodes -needed to complete the building of this system:</para> + <para>The Udev package is what actually creates the devices in the <filename + class="directory">/dev</filename> directory. Since it will not be installed + until later on in the process, manually create the minimal set of device nodes + needed to complete the building of this system:</para> <screen><userinput>mknod -m 622 /dev/console c 5 1 mknod -m 666 /dev/null c 1 3 @@ -53,10 +60,10 @@ mknod -m 444 /dev/random c 1 8 mknod -m 444 /dev/urandom c 1 9 chown -v root:tty /dev/{console,ptmx,tty}</userinput></screen> -<para>There are some symlinks and directories required by LFS that are created -during system startup by the LFS-Bootscripts package. Since this is a chroot -environment and not a booted environment, those symlinks and directories need to -be created here:</para> + <para>There are some symlinks and directories required by LFS that are + created during system startup by the LFS-Bootscripts package. Since this + is a chroot environment and not a booted environment, those symlinks and + directories need to be created here:</para> <screen><userinput>ln -sv /proc/self/fd /dev/fd ln -sv /proc/self/fd/0 /dev/stdin @@ -66,21 +73,21 @@ ln -sv /proc/kcore /dev/core mkdir -v /dev/pts mkdir -v /dev/shm</userinput></screen> -<para>Finally, mount the proper virtual (kernel) file systems on the -newly-created directories:</para> + <para>Finally, mount the proper virtual (kernel) file systems on the + newly-created directories:</para> <screen><userinput>mount -vt devpts -o gid=4,mode=620 none /dev/pts mount -vt tmpfs none /dev/shm</userinput></screen> -<para>The <command>mount</command> commands executed above may result -in the following warning message:</para> + <para>The <command>mount</command> commands executed above may result + in the following warning message:</para> <screen><computeroutput>can't open /etc/fstab: No such file or directory.</computeroutput></screen> -<para>This file—<filename>/etc/fstab</filename>—has not -been created yet but is also not required for the file systems to be -properly mounted. As such, the warning can be safely ignored.</para> -</sect2> + <para>This file—<filename>/etc/fstab</filename>—has not + been created yet but is also not required for the file systems to be + properly mounted. As such, the warning can be safely ignored.</para> -</sect1> + </sect2> +</sect1> |