[f852e706] | 1 | <?xml version="1.0" encoding="ISO-8859-1"?>
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| 2 | <!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
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| 3 | "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
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| 4 | <!ENTITY % general-entities SYSTEM "../../general.ent">
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| 5 | %general-entities;
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| 6 |
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| 7 | <!ENTITY systemd-download-http "http://anduin.linuxfromscratch.org/sources/other/systemd/systemd-&systemd-version;.tar.xz">
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| 8 | <!ENTITY systemd-download-ftp " ">
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[7c99c52] | 9 | <!ENTITY systemd-md5sum "2647855c8f9cdf824953f1091db2d2b2">
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| 10 | <!ENTITY systemd-size "3,840 KB">
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| 11 | <!ENTITY systemd-buildsize "447 MB">
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| 12 | <!ENTITY systemd-time "6.4 SBU">
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[f852e706] | 13 |
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| 14 | ]>
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| 15 |
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| 16 | <sect1 id="systemd" xreflabel="Systemd-&systemd-version;" revision="systemd">
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| 17 | <?dbhtml filename="systemd.html"?>
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| 18 |
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| 19 | <sect1info>
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| 20 | <othername>$LastChangedBy$</othername>
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| 21 | <date>$Date$</date>
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| 22 | </sect1info>
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| 23 |
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| 24 | <title>Systemd-&systemd-version;</title>
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| 25 |
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| 26 | <indexterm zone="systemd">
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| 27 | <primary sortas="a-systemd">systemd</primary>
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| 28 | </indexterm>
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| 29 |
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| 30 | <sect2 role="package">
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| 31 | <title>Introduction to systemd</title>
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| 32 |
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| 33 | <para>
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| 34 | While <application>systemd</application> was installed when
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| 35 | building LFS, there are many features provided by the package that
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[77a6d25] | 36 | were not included in the initial installation because
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[f852e706] | 37 | <application>Linux-PAM</application> was not yet installed.
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| 38 | The <application>systemd</application> package needs to be
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| 39 | rebuilt to provide a working <command>systemd-logind</command> service,
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[77a6d25] | 40 | which provides many additional features for dependent packages.
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[f852e706] | 41 | </para>
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| 42 |
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[1ac8b4c6] | 43 | &lfs7a_checked;
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[f852e706] | 44 |
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| 45 | <bridgehead renderas="sect3">Package Information</bridgehead>
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| 46 | <itemizedlist spacing="compact">
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| 47 | <listitem>
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| 48 | <para>Download (HTTP): <ulink url="&systemd-download-http;"/></para>
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| 49 | </listitem>
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| 50 | <listitem>
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| 51 | <para>Download (FTP): <ulink url="&systemd-download-ftp;"/></para>
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| 52 | </listitem>
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| 53 | <listitem>
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| 54 | <para>Download MD5 sum: &systemd-md5sum;</para>
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| 55 | </listitem>
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| 56 | <listitem>
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| 57 | <para>Download size: &systemd-size;</para>
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| 58 | </listitem>
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| 59 | <listitem>
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| 60 | <para>Estimated disk space required: &systemd-buildsize;</para>
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| 61 | </listitem>
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| 62 | <listitem>
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| 63 | <para>Estimated build time: &systemd-time;</para>
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| 64 | </listitem>
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| 65 | </itemizedlist>
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| 66 |
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| 67 | <bridgehead renderas="sect3">systemd Dependencies</bridgehead>
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| 68 |
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| 69 | <bridgehead renderas="sect4">Required</bridgehead>
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| 70 | <para role="required">
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| 71 | <xref linkend="linux-pam"/>
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| 72 | </para>
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| 73 |
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| 74 | <bridgehead renderas="sect4">Recommended Runtime Dependency</bridgehead>
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| 75 | <para role="recommended">
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| 76 | <xref linkend="polkit"/>
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| 77 | </para>
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| 78 |
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| 79 | <bridgehead renderas="sect4">Optional</bridgehead>
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| 80 | <para role="optional">
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| 81 | <xref linkend="cacerts"/>,
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| 82 | <xref linkend="curl"/>,
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| 83 | <xref linkend="elfutils"/>,
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| 84 | <xref linkend="gnutls"/>,
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| 85 | <xref linkend="iptables"/>,
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| 86 | <xref linkend="libgcrypt"/>,
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| 87 | <xref linkend="libidn"/>,
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| 88 | <xref linkend="libxkbcommon"/>,
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| 89 | <xref linkend="python2"/> or
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| 90 | <xref linkend="python3"/>,
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| 91 | <xref linkend="qemu"/>,
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| 92 | <xref linkend="valgrind"/>,
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[7c99c52] | 93 | <xref linkend="zsh"/> (for the zsh completions),
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[f852e706] | 94 | <ulink url="https://www.kernel.org/pub/linux/utils/cryptsetup/">cryptsetup</ulink>,
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| 95 | <ulink url="http://sourceforge.net/projects/gnu-efi/">gnu-efi</ulink>,
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| 96 | <ulink url="https://www.kernel.org/pub/linux/utils/kernel/kexec/">kexec-tools</ulink>,
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| 97 | <ulink url="https://www.gnu.org/software/libmicrohttpd/">libmicrohttpd</ulink>,
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| 98 | <ulink url="http://sourceforge.net/projects/libseccomp/">libseccomp</ulink>,
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| 99 | <ulink url="http://lxml.de/">lxml</ulink> (Python Module),
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[1ac8b4c6] | 100 | <ulink url="https://github.com/Cyan4973/lz4">lz4</ulink>,
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[f852e706] | 101 | <ulink url="http://fukuchi.org/works/qrencode/">qrencode</ulink>,
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| 102 | <ulink url="http://sourceforge.net/projects/linuxquota/">quota-tools</ulink> and
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| 103 | <ulink url="https://pypi.python.org/pypi/Sphinx">Sphinx</ulink>
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| 104 | </para>
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| 105 |
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| 106 | <note>
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| 107 | <para>
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| 108 | In order to build the <application>systemd</application>
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| 109 | <application>Python</application> module, the
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| 110 | <application>lxml</application> package
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| 111 | needs to be installed for the corresponding
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| 112 | <application>Python</application> version (2 or 3).
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| 113 | Note that <command>configure</command> defaults to
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| 114 | <application>Python 2</application>. In order to build
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| 115 | the module for <application>Python 3</application>,
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| 116 | make sure you pass the <envar>PYTHON=python3</envar>
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| 117 | environment variable to the <command>configure</command>
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| 118 | command below.
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| 119 | </para>
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| 120 | </note>
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| 121 |
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| 122 | <bridgehead renderas="sect4">Optional (to rebuild the manual pages)</bridgehead>
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| 123 | <para role="optional">
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| 124 | <xref linkend="DocBook"/>,
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| 125 | <xref linkend="docbook-xsl"/> and
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| 126 | <xref linkend="libxslt"/>
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| 127 | </para>
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| 128 |
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| 129 | <para condition="html" role="usernotes">User Notes:
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| 130 | <ulink url="&blfs-wiki;/systemd"/>
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| 131 | </para>
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| 132 | </sect2>
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| 133 |
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| 134 | <sect2 role="installation">
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| 135 | <title>Installation of systemd</title>
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| 136 |
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[7c99c52] | 137 | <!-- Not needed as of v231 -renodr
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[f852e706] | 138 | <para>First, fix a potential security issue with framebuffer
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| 139 | devices:</para>
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| 140 |
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| 141 | <screen><userinput>sed -e 's@DRI and frame buffer@DRI@' \
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[1552ac8] | 142 | -e '/SUBSYSTEM==\"graphics\", KERNEL==\"fb\*\"/d' \
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[f852e706] | 143 | -i src/login/70-uaccess.rules</userinput></screen>
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[7c99c52] | 144 | -->
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[f852e706] | 145 |
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| 146 | <para>
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| 147 | Disable two tests that always fail:
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| 148 | </para>
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| 149 |
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| 150 | <screen><userinput>sed -e 's:test/udev-test.pl ::g' \
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| 151 | -e 's:test-copy$(EXEEXT) ::g' \
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| 152 | -i Makefile.in</userinput></screen>
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| 153 |
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| 154 | <para>
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| 155 | Rebuild <application>systemd</application> by running the
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| 156 | following commands:
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| 157 | </para>
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| 158 |
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[4747091] | 159 | <screen><userinput>cc_cv_CFLAGS__flto=no \
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| 160 | XSLTPROC="/usr/bin/xsltproc" \
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[f852e706] | 161 | ./configure --prefix=/usr \
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| 162 | --sysconfdir=/etc \
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| 163 | --localstatedir=/var \
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| 164 | --with-rootprefix= \
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| 165 | --with-rootlibdir=/lib \
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| 166 | --enable-split-usr \
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| 167 | --disable-firstboot \
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| 168 | --disable-ldconfig \
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| 169 | --disable-sysusers \
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| 170 | --without-python \
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| 171 | --with-default-dnssec=no \
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| 172 | --docdir=/usr/share/doc/systemd-&systemd-version; &&
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| 173 | make</userinput></screen>
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| 174 |
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| 175 | <note>
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| 176 | <para>
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| 177 | For the best results, make sure you run the testsuite from
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| 178 | a system that is booted by the same
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| 179 | <application>systemd</application> version you are rebuilding.
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| 180 | </para>
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| 181 | </note>
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| 182 |
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| 183 | <para>
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| 184 | To test the results, issue: <command>make -k check</command>.
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| 185 | </para>
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| 186 |
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| 187 | <warning>
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| 188 | <para>
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| 189 | Installing the package will overwrite all files installed by
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| 190 | <application>systemd</application> in LFS. It is critical that
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| 191 | nothing uses either <application>systemd</application> or
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| 192 | <application>Udev</application> libraries during the installation.
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| 193 | The best way to ensure that these libraries are not being used is to
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| 194 | run the installation in rescue mode. To switch to rescue mode,
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| 195 | run the following command as the
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| 196 | <systemitem class="username">root</systemitem> user (from a TTY):
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| 197 | </para>
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| 198 |
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| 199 | <screen role="root"><userinput>systemctl start rescue.target</userinput></screen>
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| 200 | </warning>
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| 201 |
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| 202 | <para>
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| 203 | Now, as the <systemitem class="username">root</systemitem> user:
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| 204 | </para>
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| 205 |
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| 206 | <screen role="root"><userinput>make install</userinput></screen>
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| 207 |
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| 208 | <para>
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[7c99c52] | 209 | Move the NSS libraries to <filename class="directory">/lib</filename>
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[f852e706] | 210 | by running the following command as the <systemitem
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| 211 | class="username">root</systemitem> user:
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| 212 | </para>
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| 213 |
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| 214 | <screen role="root"><userinput>mv -v /usr/lib/libnss_{myhostname,mymachines,resolve}.so.2 /lib</userinput></screen>
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| 215 |
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| 216 | <para>
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| 217 | Remove an unnecessary directory by running the following command
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| 218 | as the <systemitem class="username">root</systemitem> user:
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| 219 | </para>
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| 220 |
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| 221 | <screen role="root"><userinput>rm -rfv /usr/lib/rpm</userinput></screen>
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| 222 |
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| 223 | </sect2>
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| 224 |
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| 225 | <sect2 role="configuration">
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| 226 | <title>Configuring systemd</title>
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| 227 |
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| 228 | <para>
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| 229 | The <filename>/etc/pam.d/system-sesion</filename> file needs to
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| 230 | be modified and a new file needs to be created in order for
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| 231 | <command>systemd-logind</command> to work correctly. Run the following
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| 232 | commands as the <systemitem class="username">root</systemitem> user:
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| 233 | </para>
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| 234 |
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| 235 | <screen role="root"><userinput>cat >> /etc/pam.d/system-session << "EOF"
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| 236 | <literal># Begin Systemd addition
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| 237 |
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| 238 | session required pam_loginuid.so
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| 239 | session optional pam_systemd.so
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| 240 |
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| 241 | # End Systemd addition</literal>
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| 242 | EOF
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| 243 |
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| 244 | cat > /etc/pam.d/systemd-user << "EOF"
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| 245 | <literal># Begin /etc/pam.d/systemd-user
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| 246 |
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| 247 | account required pam_access.so
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| 248 | account include system-account
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| 249 |
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| 250 | session required pam_env.so
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| 251 | session required pam_limits.so
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| 252 | session include system-session
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| 253 |
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| 254 | auth required pam_deny.so
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| 255 | password required pam_deny.so
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| 256 |
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| 257 | # End /etc/pam.d/systemd-user</literal>
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| 258 | EOF</userinput></screen>
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| 259 |
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| 260 | <para>
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| 261 | At this point, you should reload the systemd daemon, and reenter
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| 262 | multi-user mode with the following commands (as the
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| 263 | <systemitem class="username">root</systemitem> user):
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| 264 | </para>
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| 265 |
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| 266 | <screen role="root"><userinput>systemctl daemon-reload
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| 267 | systemctl start multi-user.target</userinput></screen>
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| 268 |
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| 269 | <warning><para>If upgrading from a previous version of systemd and an
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| 270 | initrd is used for system boot, you should generate a new initrd before
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| 271 | rebooting the system.</para></warning>
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| 272 |
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| 273 | </sect2>
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| 274 |
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| 275 | <sect2 role="content">
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| 276 | <title>Contents</title>
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| 277 |
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| 278 | <para>
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| 279 | A list of the installed files, along with their short
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| 280 | descriptions can be found at
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| 281 | <ulink url="&lfs-root;/chapter06/systemd.html#contents-systemd"/>.
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| 282 | </para>
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| 283 |
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| 284 | <para>
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| 285 | Listed below are the newly installed libraries and directories
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| 286 | along with short descriptions.
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| 287 | </para>
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| 288 |
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| 289 | <segmentedlist>
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| 290 | <segtitle>Installed Programs</segtitle>
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| 291 | <segtitle>Installed Libraries</segtitle>
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| 292 | <segtitle>Installed Directories</segtitle>
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| 293 |
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| 294 | <seglistitem>
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| 295 | <seg>
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| 296 | None
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| 297 | </seg>
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| 298 | <seg>
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| 299 | pam_systemd.so
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| 300 | (in <filename class="directory">/lib/security</filename>)
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| 301 | </seg>
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| 302 | <seg>
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| 303 | None
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| 304 | </seg>
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| 305 | </seglistitem>
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| 306 | </segmentedlist>
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| 307 |
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| 308 | <variablelist>
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| 309 | <bridgehead renderas="sect3">Short Descriptions</bridgehead>
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| 310 | <?dbfo list-presentation="list"?>
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| 311 | <?dbhtml list-presentation="table"?>
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| 312 |
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| 313 | <varlistentry id="pam_systemd">
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| 314 | <term><filename class="libraryfile">pam_systemd.so</filename></term>
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| 315 | <listitem>
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| 316 | <para>
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| 317 | is a PAM module used to register user sessions with the
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| 318 | <application>systemd</application> login manager,
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| 319 | <command>systemd-logind</command>.
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| 320 | </para>
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| 321 | <indexterm zone="systemd pam_systemd">
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| 322 | <primary sortas="c-pam_systemd">pam_systemd.so</primary>
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| 323 | </indexterm>
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| 324 | </listitem>
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| 325 | </varlistentry>
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| 326 |
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| 327 | </variablelist>
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| 328 |
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| 329 | </sect2>
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| 330 |
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| 331 | </sect1>
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