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Diffstat (limited to 'man/kernel-install.xml')
-rw-r--r-- | man/kernel-install.xml | 138 |
1 files changed, 138 insertions, 0 deletions
diff --git a/man/kernel-install.xml b/man/kernel-install.xml new file mode 100644 index 0000000000..06939fa090 --- /dev/null +++ b/man/kernel-install.xml @@ -0,0 +1,138 @@ +<?xml version='1.0'?> <!--*-nxml-*--> +<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN" +"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd"> + +<!-- +This file is part of systemd. + +Copyright 2013 Harald Hoyer + +systemd is free software; you can redistribute it and/or modify it +under the terms of the GNU Lesser General Public License as published by +the Free Software Foundation; either version 2.1 of the License, or +(at your option) any later version. + +systemd is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +Lesser General Public License for more details. + +You should have received a copy of the GNU Lesser General Public License +along with systemd; If not, see <http://www.gnu.org/licenses/>. +--> + +<refentry id="kernel-install"> + + <refentryinfo> + <title>kernel-install</title> + <productname>systemd</productname> + + <authorgroup> + <author> + <contrib>Developer</contrib> + <firstname>Harald</firstname> + <surname>Hoyer</surname> + <email>harald@redhat.com</email> + </author> + </authorgroup> + </refentryinfo> + + <refmeta> + <refentrytitle>kernel-install</refentrytitle> + <manvolnum>8</manvolnum> + </refmeta> + + <refnamediv> + <refname>kernel-install</refname> + <refpurpose>Add and remove kernel and initramfs images to and from /boot</refpurpose> + </refnamediv> + + <refsynopsisdiv> + <cmdsynopsis> + <command>kernel-install</command> <arg choice="req">COMMAND</arg> <arg choice="req">KERNEL VERSION</arg> <arg choice="req">KERNEL IMAGE</arg> + </cmdsynopsis> + </refsynopsisdiv> + + <refsect1> + <title>Description</title> + <para> + <command>kernel-install</command> is used to install and remove kernel and + initramfs images to and from <filename>/boot</filename>. + </para> + + <para>kernel-install will execute the files located in the directory <filename>/usr/lib/kernel/install.d/</filename> + and the local administration directory <filename>/etc/kernel/install.d/</filename>. + All files are collectively sorted and executed in lexical order, regardless of the directories in + which they live. However, files with identical file names replace each other. + Files in <filename>/etc/kernel/install.d/</filename> take precedence over files with the same name + in <filename>/usr/lib/kernel/install.d/</filename>. This can be used to override a system-supplied + executables with a local file if needed; a symbolic link in <filename>/etc/kernel/install.d/</filename> + with the same name as an executable in <filename>/usr/lib/kernel/install.d/</filename>, + pointing to /dev/null, disables the executable entirely. Executables must have the + extension .install; other extensions are ignored.</para> + + </refsect1> + + <refsect1> + <title>Commands</title> + <para>The following commands are understood:</para> + <variablelist> + <varlistentry> + <term>add <KERNEL VERSION> <KERNEL IMAGE></term> + <listitem> + <para>calls every executable <filename>/usr/lib/kernel/install.d/*.install</filename> + and <filename>/etc/kernel/install.d/*.install</filename> with the arguments + "add <KERNEL VERSION> <filename>/boot/<MACHINE-ID>/<KERNEL VERSION>/</filename>"</para> + + <para>kernel-install copies <KERNEL IMAGE> to + <filename>/boot/<MACHINE-ID>/<KERNEL VERSION>/linux</filename>.</para> + + <para>kernel-install also creates a boot loader entry according to the boot loader specification + in <filename>/boot/loader/entries/<OS-ID>-<KERNEL VERSION>-<MACHINE-ID>.conf</filename>. + If the file <filename>initrd</filename> is found next to the <filename>linux</filename> file, + the initrd will be added to the configuration.</para> + </listitem> + </varlistentry> + <varlistentry> + <term>remove <KERNEL VERSION> <KERNEL IMAGE></term> + <listitem><para>calls every executable <filename>/usr/lib/kernel/install.d/*.install</filename> + and <filename>/etc/kernel/install.d/*.install</filename> with the arguments: + "remove <KERNEL VERSION> <filename>/boot/<MACHINE-ID>/<KERNEL VERSION>/</filename>" + </para> + <para>kernel-install removes the entire directory <filename>/boot/<MACHINE-ID>/<KERNEL VERSION>/</filename> + and the file <filename>/boot/loader/entries/<OS-ID>-<KERNEL VERSION>-<MACHINE-ID>.conf</filename></para> + </listitem> + </varlistentry> + + </variablelist> + + </refsect1> + + <refsect1> + <title>Exit status</title> + <para>If every executable returns with 0, 0 is returned, a non-zero failure code otherwise.</para> + </refsect1> + + <refsect1> + <title>Files</title> + <variablelist> + <varlistentry> + <term> + <filename>/usr/lib/kernel/install.d/*.install</filename> + <filename>/etc/kernel/install.d/*.install</filename> + </term> + <listitem> + <para>Drop-in files, which are executed by kernel-install.</para> + </listitem> + </varlistentry> + </variablelist> + </refsect1> + + <refsect1> + <title>See Also</title> + <para> + <ulink url="http://www.freedesktop.org/wiki/Specifications/BootLoaderSpec">Boot loader specification</ulink> + </para> + </refsect1> + +</refentry> |