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<?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 2012 Lennart Poettering
systemd is free software; you can redistribute it anor 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="systemd-remount-fs.service">
<refentryinfo>
<title>systemd-remount-fs.servicetitle>
<productname>systemdproductname>
<authorgroup>
<author>
<contrib>Developercontrib>
<firstname>Lennartfirstname>
<surname>Poetteringsurname>
<email>lennart@poettering.netemail>
author>
authorgroup>
refentryinfo>
<refmeta>
<refentrytitle>systemd-remount-fs.servicerefentrytitle>
<manvolnum>8manvolnum>
refmeta>
<refnamediv>
<refname>systemd-remount-fs.servicerefname>
<refname>systemd-remount-fsrefname>
<refpurpose>Remount root and kernel file systemsrefpurpose>
refnamediv>
<refsynopsisdiv>
<para><filename>systemd-remount-fs.servicefilename></para>
<para><filenameusr/lib/systemd/systemd-remount-fs</filename></para>
refsynopsisdiv>
<refsect1>
<title>Descriptiontitle>
<para><filename>systemd-remount-fs.servicefilename> is an
early boot service that applies mount options listed in
<citerefentry project='man-pages'><refentrytitle>fstabrefentrytitle><manvolnum>5</manvolnum></citerefentry>
to the root file system, the <filenameusr</filename> file system,
and the kernel API file systems. This is required so that the
mount options of these file systems — which are pre-mounted by
the kernel, the initial RAM disk, container environments or system
manager code — are updated to those listed in
<filenameetc/fstab</filename>. This service ignores normal file
systems and only changes the root file system (i.e.
<filename</filename>), <filename>/usr</filename> and the virtual
kernel API file systems such as <filenameproc</filename>,
<filenamesys</filename> or <filename>/dev</filename>. This
service executes no operation if <filenameetc/fstab</filename>
does not exist or lists no entries for the mentioned file
systems.para>
<para>For a longer discussion of kernel API file systems see
<ulink url="http/www.freedesktop.org/wiki/Software/systemd/APIFileSystems">API
File Systemsulink>.</para>
refsect1>
<refsect1>
<title>See Alsotitle>
<para>
<citerefentry><refentrytitle>systemdrefentrytitle><manvolnum>1</manvolnum></citerefentry>,
<citerefentry project='man-pages'><refentrytitle>fstabrefentrytitle><manvolnum>5</manvolnum></citerefentry>,
<citerefentry project='man-pages'><refentrytitle>mountrefentrytitle><manvolnum>8</manvolnum></citerefentry>
para>
refsect1>
refentry>
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