diff options
Diffstat (limited to 'chapter06/udev.xml')
| -rw-r--r-- | chapter06/udev.xml | 95 |
1 files changed, 3 insertions, 92 deletions
diff --git a/chapter06/udev.xml b/chapter06/udev.xml index 6e0456bea..5d8cf5351 100644 --- a/chapter06/udev.xml +++ b/chapter06/udev.xml @@ -10,7 +10,6 @@ <indexterm zone="ch-system-udev"><primary sortas="a-Udev">Udev</primary></indexterm> <sect2 role="package"><title/> -<para>The Udev package contains programs for dynamic creation of device nodes.</para> <segmentedlist> <segtitle>&buildtime;</segtitle> @@ -27,26 +26,16 @@ <screen><userinput>make udevdir=/dev</userinput></screen> -<variablelist> -<varlistentry> -<term><parameter>udevdir=/dev</parameter></term> -<listitem><para>This tells <command>udev</command> which directory it is to -create device nodes in.</para></listitem> -</varlistentry> -</variablelist> - <para>Install it:</para> <screen><userinput>make udevdir=/dev install</userinput></screen> -<para>Udev's configuration is far from ideal by default, so we install our own -configuration files here:</para> +<para>Install our configuration files:</para> <screen><userinput>cp ../udev-config-2.permissions /etc/udev/permissions.d/25-lfs.permissions cp ../udev-config-1.rules /etc/udev/rules.d/25-lfs.rules</userinput></screen> -<para>Finally, we'll allow udev to create the full compliment of device -nodes, since earlier we only created a minimal set.</para> +<para>Create the full compliment of device nodes:</para> <screen><userinput>/sbin/udevstart</userinput></screen> @@ -55,86 +44,8 @@ nodes, since earlier we only created a minimal set.</para> <sect2 id="contents-udev" role="content"><title>Contents of Udev</title> -<segmentedlist> -<segtitle>Installed programs</segtitle> -<seglistitem><seg>udev, udevd, udevsend, udevstart, udevinfo, udevtest</seg></seglistitem> -</segmentedlist> +<para>See testing</para> -<variablelist><title>Short descriptions</title> - -<varlistentry id="udev"> -<term><command>udev</command></term> -<listitem><indexterm zone="ch-system-udev udev"><primary -sortas="b-udev">udev</primary></indexterm> -<para>is used to create device nodes in <filename -class="directory">/dev</filename> or to rename network interfaces (not in LFS) -in response to hotplug events.</para> -</listitem></varlistentry> - -<varlistentry id="udevd"> -<term><command>udevd</command></term> -<listitem> <indexterm zone="ch-system-udev udevd"><primary -sortas="b-udevd">udevd</primary></indexterm> -<para>is a daemon that reorders hotplug events before submitting them to -<command>udev</command>, -thus avoiding various race conditions.</para> -</listitem></varlistentry> - -<varlistentry id="udevsend"> -<term><command>udevsend</command></term> -<listitem> <indexterm zone="ch-system-udev udevsend"><primary -sortas="b-udevsend">udevsend</primary></indexterm> -<para>is used to deliver hotplug events to <command>udevd</command>.</para> -</listitem></varlistentry> - -<varlistentry id="udevstart"> -<term><command>udevstart</command></term> -<listitem> <indexterm zone="ch-system-udev udevstart"><primary -sortas="b-udevstart">udevstart</primary></indexterm> -<para>is used to create device nodes in <filename -class="directory">/dev</filename> that correspond to drivers compiled directly -into the kernel. It performs that task by simulating hotplug events presumably -dropped by the kernel before invocation of this program (e.g. because the root -filesystem has not been mounted) and submitting such synthetic hotplug events -to <command>udev</command>.</para> -</listitem> -</varlistentry> - -<varlistentry id="udevinfo"> -<term><command>udevinfo</command></term> -<listitem> <indexterm zone="ch-system-udev udevinfo"><primary -sortas="b-udevinfo">udevinfo</primary></indexterm> -<para>allows users to query the <command>udev</command> database for -information on any device currently present on the system. It also -provides a way to query any device in the sysfs tree to help creating udev -rules.</para> -</listitem></varlistentry> - -<varlistentry id="udevtest"> -<term><command>udevtest</command></term> -<listitem> <indexterm zone="ch-system-udev udevtest"><primary -sortas="b-udevtest">udevtest</primary></indexterm> -<para>simulates a <command>udev</command> run for the given device, -and prints out the name of the node the real <command>udev</command> would -have created, or (not in LFS) the name of the renamed network interface.</para> -</listitem></varlistentry> - -<varlistentry id="etc-dev-d"> -<term><filename class="directory">/etc/dev.d</filename></term> -<listitem> <indexterm zone="ch-system-udev etc-dev-d"><primary -sortas="e-etc-dev-d">/etc/dev.d</primary></indexterm> -<para>directory is supposed to contain user-written handlers for device -creation hotplug events.</para> -</listitem></varlistentry> - -<varlistentry id="etc-udev"> -<term><filename class="directory">/etc/udev</filename></term> -<listitem> <indexterm zone="ch-system-udev etc-udev"><primary -sortas="e-etc-udev">/etc/udev</primary></indexterm> -<para>directory contains <command>udev</command> configuration files, -device permissions and rules for device naming.</para> -</listitem></varlistentry> -</variablelist> </sect2> </sect1> |