mirror of
https://github.com/Zeckmathederg/glfs.git
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2ecacdddfc
mesa: Add libunwind as an optional external dependency. git-svn-id: svn://svn.linuxfromscratch.org/BLFS/trunk/BOOK@22721 af4574ff-66df-0310-9fd7-8a98e5e911e0
336 lines
11 KiB
XML
336 lines
11 KiB
XML
<?xml version="1.0" encoding="ISO-8859-1"?>
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<!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
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"http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
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<!ENTITY % general-entities SYSTEM "../../general.ent">
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%general-entities;
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<!-- <!ENTITY systemd-download-http "http://anduin.linuxfromscratch.org/LFS/systemd-&systemd-version;-&systemd-stable;.tar.xz"> For whenever we move to a stable snapshot for backports -->
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<!ENTITY systemd-download-http "https://github.com/systemd/systemd/archive/v&systemd-version;/systemd-&systemd-version;.tar.gz">
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<!ENTITY systemd-download-ftp " ">
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<!ENTITY systemd-md5sum "413121fe918b252ae62310f6fc7c4b32">
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<!ENTITY systemd-size "8.1 MB">
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<!ENTITY systemd-buildsize "240 MB (with tests)">
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<!ENTITY systemd-time "2.0 SBU (with tests)">
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]>
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<sect1 id="systemd" xreflabel="Systemd-&systemd-version;" revision="systemd">
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<?dbhtml filename="systemd.html"?>
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<sect1info>
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<othername>$LastChangedBy$</othername>
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<date>$Date$</date>
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</sect1info>
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<title>Systemd-&systemd-version;</title>
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<!-- Whenever we switch back to stable backports, make sure to add the systemd-stable reference back. -->
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<indexterm zone="systemd">
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<primary sortas="a-systemd">systemd</primary>
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</indexterm>
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<sect2 role="package">
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<title>Introduction to systemd</title>
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<para>
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While <application>systemd</application> was installed when
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building LFS, there are many features provided by the package that
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were not included in the initial installation because
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<application>Linux-PAM</application> was not yet installed.
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The <application>systemd</application> package needs to be
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rebuilt to provide a working <command>systemd-logind</command> service,
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which provides many additional features for dependent packages.
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</para>
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&lfs91_checked;
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<bridgehead renderas="sect3">Package Information</bridgehead>
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<itemizedlist spacing="compact">
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<listitem>
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<para>Download (HTTP): <ulink url="&systemd-download-http;"/></para>
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</listitem>
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<listitem>
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<para>Download (FTP): <ulink url="&systemd-download-ftp;"/></para>
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</listitem>
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<listitem>
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<para>Download MD5 sum: &systemd-md5sum;</para>
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</listitem>
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<listitem>
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<para>Download size: &systemd-size;</para>
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</listitem>
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<listitem>
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<para>Estimated disk space required: &systemd-buildsize;</para>
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</listitem>
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<listitem>
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<para>Estimated build time: &systemd-time;</para>
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</listitem>
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</itemizedlist>
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<bridgehead renderas="sect3">Additional Downloads</bridgehead>
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<itemizedlist spacing="compact">
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<listitem>
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<para>
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Required patch:
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<ulink url="&patch-root;/systemd-&systemd-version;-seccomp_and_cpuaffinity_fix-1.patch"/>
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</para>
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</listitem>
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</itemizedlist>
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<bridgehead renderas="sect3">systemd Dependencies</bridgehead>
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<bridgehead renderas="sect4">Required</bridgehead>
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<para role="required">
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<xref linkend="linux-pam"/>
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</para>
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<bridgehead renderas="sect4">Recommended Runtime Dependencies</bridgehead>
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<para role="recommended">
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<xref role="runtime" linkend="polkit"/>
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</para>
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<bridgehead renderas="sect4">Optional</bridgehead>
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<para role="optional">
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<xref linkend="curl"/>,
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<xref linkend="cryptsetup"/>,
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<xref linkend="git"/>,
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<xref linkend="gnutls"/>,
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<xref linkend="iptables"/>,
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<xref linkend="libgcrypt"/>,
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<xref linkend="libidn2"/>,
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<xref linkend="libseccomp"/>,
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<xref linkend="libxkbcommon"/>,
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<xref linkend="make-ca"/>,
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<xref linkend="pcre2"/>,
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<xref linkend="qemu"/>,
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<xref linkend="valgrind"/>,
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<xref linkend="zsh"/> (for the zsh completions),
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<ulink url="http://sourceforge.net/projects/gnu-efi/">gnu-efi</ulink>,
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<ulink url="https://www.kernel.org/pub/linux/utils/kernel/kexec/">kexec-tools</ulink>,
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<ulink url="https://www.gnu.org/software/libmicrohttpd/">libmicrohttpd</ulink>,
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<ulink url="http://lz4.github.io/lz4/">lz4</ulink>,
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<ulink url="http://fukuchi.org/works/qrencode/">qrencode</ulink>,
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<ulink url="http://sourceforge.net/projects/linuxquota/">quota-tools</ulink> and
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<ulink url="https://pypi.python.org/pypi/Sphinx">Sphinx</ulink>
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</para>
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<bridgehead renderas="sect4">Optional (to rebuild the manual pages)</bridgehead>
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<para role="optional">
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<xref linkend="DocBook"/>,
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<xref linkend="docbook-xsl"/>,
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<xref linkend="libxslt"/>, and
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<xref linkend="lxml"/> (to build the index of systemd manual pages)
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</para>
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<para condition="html" role="usernotes">User Notes:
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<ulink url="&blfs-wiki;/systemd"/>
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</para>
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</sect2>
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<sect2 role="installation">
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<title>Installation of systemd</title>
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<!-- 243-244 is now supported, so let's comment this for now.
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<warning><para>This version of systemd is incompatible with all previous
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releases. The BLFS team does not recommend updating in place, and suggests
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that you do a rebuild instead.</para></warning>
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-->
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<para>Apply a patch to fix problems with libseccomp-2.4.2+ and Linux-5.4+:</para>
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<screen><userinput remap="pre">patch -Np1 -i ../systemd-&systemd-version;-seccomp_and_cpuaffinity_fix-1.patch</userinput></screen>
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<!-- The above is only needed on systems with Linux 5.4+ and libseccomp-2.4.2+
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This fix is due to syscall changes in libseccomp+Linux 5.4+.
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The affected syscall is shmat(), which isn't implemented properly on
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i686, and intermittently fails on x86_64. Also, there is a problem with
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CPU Affinity + CGroups on Linux-5.4+ that causes issues with the
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"test-execute" test. -->
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<para>Remove an unneeded group,
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<systemitem class="groupname">render</systemitem>, from the default udev
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rules:</para>
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<screen><userinput remap="pre">sed -i 's/GROUP="render", //' rules.d/50-udev-default.rules.in</userinput></screen>
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<para>
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Rebuild <application>systemd</application> by running the
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following commands:
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</para>
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<screen><userinput>mkdir build &&
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cd build &&
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meson --prefix=/usr \
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--sysconfdir=/etc \
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--localstatedir=/var \
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-Dblkid=true \
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-Dbuildtype=release \
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-Ddefault-dnssec=no \
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-Dfirstboot=false \
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-Dinstall-tests=false \
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-Dldconfig=false \
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-Dman=auto \
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-Drootprefix= \
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-Drootlibdir=/lib \
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-Dsplit-usr=true \
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-Dsysusers=false \
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-Drpmmacrosdir=no \
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-Db_lto=false \
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.. &&
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ninja</userinput></screen>
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<note>
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<para>
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For the best test results, make sure you run the testsuite from
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a system that is booted by the same
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<application>systemd</application> version you are rebuilding.
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</para>
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</note>
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<para>
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To test the results, issue: <command>ninja test</command>. <!--One test,
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<filename>udev-test</filename> (test 273) fails due to changes in
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the Linux 5.3+ kernel. It does not affect the package's
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functionality. NO LONGER APPLICABLE AS OF 244 -->
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</para>
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<warning>
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<para>
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Installing the package will overwrite all files installed by
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<application>systemd</application> in LFS. It is critical that
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nothing uses either <application>systemd</application> or
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<application>Udev</application> libraries during the installation.
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The best way to ensure that these libraries are not being used is to
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run the installation in rescue mode. To switch to rescue mode,
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run the following command as the
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<systemitem class="username">root</systemitem> user (from a TTY):
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</para>
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<screen role="root"><userinput>systemctl start rescue.target</userinput></screen>
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</warning>
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<para>
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Now, as the <systemitem class="username">root</systemitem> user:
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</para>
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<screen role="root"><userinput>ninja install</userinput></screen>
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<!-- No longer needed as of systemd-244.
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<para>
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Remove a configuration file that causes some problems with PID files:
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</para>
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<screen role="root"><userinput>rm -fv /etc/sysctl.d/50-pid-max.conf</userinput></screen>
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-->
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</sect2>
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<sect2 role="configuration">
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<title>Configuring systemd</title>
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<para>
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The <filename>/etc/pam.d/system-session</filename> file needs to
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be modified and a new file needs to be created in order for
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<command>systemd-logind</command> to work correctly. Run the following
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commands as the <systemitem class="username">root</systemitem> user:
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</para>
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<screen role="root"><userinput>cat >> /etc/pam.d/system-session << "EOF"
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<literal># Begin Systemd addition
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session required pam_loginuid.so
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session optional pam_systemd.so
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# End Systemd addition</literal>
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EOF
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cat > /etc/pam.d/systemd-user << "EOF"
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<literal># Begin /etc/pam.d/systemd-user
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account required pam_access.so
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account include system-account
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session required pam_env.so
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session required pam_limits.so
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session required pam_unix.so
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session required pam_loginuid.so
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session optional pam_keyinit.so force revoke
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session optional pam_systemd.so
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auth required pam_deny.so
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password required pam_deny.so
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# End /etc/pam.d/systemd-user</literal>
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EOF</userinput></screen>
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<para>
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At this point, you should reload the systemd daemon, and reenter
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multi-user mode with the following commands (as the
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<systemitem class="username">root</systemitem> user):
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</para>
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<screen role="root"><userinput>systemctl daemon-reload
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systemctl start multi-user.target</userinput></screen>
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<warning><para>If upgrading from a previous version of systemd and an
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initrd is used for system boot, you should generate a new initrd before
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rebooting the system.</para></warning>
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</sect2>
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<sect2 role="content">
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<title>Contents</title>
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<para>
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A list of the installed files, along with their short
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descriptions can be found at
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<ulink url="&lfs-root;/chapter06/systemd.html#contents-systemd"/>.
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</para>
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<para>
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Listed below are the newly installed libraries and directories
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along with short descriptions.
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</para>
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<segmentedlist>
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<segtitle>Installed Programs</segtitle>
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<segtitle>Installed Libraries</segtitle>
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<segtitle>Installed Directories</segtitle>
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<seglistitem>
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<seg>
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None
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</seg>
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<seg>
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pam_systemd.so
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(in <filename class="directory">/lib/security</filename>)
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</seg>
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<seg>
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None
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</seg>
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</seglistitem>
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</segmentedlist>
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<variablelist>
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<bridgehead renderas="sect3">Short Descriptions</bridgehead>
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<?dbfo list-presentation="list"?>
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<?dbhtml list-presentation="table"?>
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<varlistentry id="pam_systemd">
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<term><filename class="libraryfile">pam_systemd.so</filename></term>
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<listitem>
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<para>
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is a PAM module used to register user sessions with the
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<application>systemd</application> login manager,
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<command>systemd-logind</command>.
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</para>
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<indexterm zone="systemd pam_systemd">
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<primary sortas="c-pam_systemd">pam_systemd.so</primary>
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</indexterm>
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</listitem>
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</varlistentry>
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</variablelist>
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</sect2>
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</sect1>
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