| 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 | <sect1 id="ch-system-systemd" role="wrap">
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| 8 | <?dbhtml filename="systemd.html"?>
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| 9 |
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| 10 | <title>systemd-&systemd-version;</title>
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| 11 |
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| 12 | <indexterm zone="ch-system-systemd">
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| 13 | <primary sortas="a-systemd">systemd</primary>
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| 14 | </indexterm>
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| 15 |
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| 16 | <sect2 role="package">
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| 17 | <title/>
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| 18 |
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| 19 | <para><command>systemd</command> is a system and service manager for Linux
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| 20 | operating systems.</para>
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| 21 |
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| 22 | </sect2>
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| 23 |
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| 24 | <sect2 role="installation">
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| 25 | <title>Installation of systemd</title>
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| 26 |
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| 27 | <para os="s1">By default, <command>systemd</command> contains a unit file
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| 28 | that mounts a tmpfs over /var/lock on boot as 775 with a gid of lock. CLFS
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| 29 | does not have a lock group. Change this to 777 with the following
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| 30 | command:</para>
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| 31 |
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| 32 | <screen os="s2"><userinput>sed -i "s/\(mode\)=775,gid=lock/\1=777/" \
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| 33 | units/var-lock.mount</userinput></screen>
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| 34 |
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| 35 | <para os="a">Prepare systemd for compilation:</para>
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| 36 |
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| 37 | <screen os="b"><userinput>./configure --prefix=/usr \
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| 38 | --sysconfdir=/etc --localstatedir=/var \
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| 39 | --with-rootdir= --with-distro=other \
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| 40 | --with-syslog-service=rsyslog.service \
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| 41 | --with-sysvinit-path=/etc/init.d \
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| 42 | --with-sysvrcd-path=/etc/rc.d</userinput></screen>
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| 43 |
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| 44 | <para os="c">Compile the package:</para>
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| 45 |
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| 46 | <screen os="d"><userinput>make</userinput></screen>
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| 47 |
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| 48 | <para os="e">Install the package:</para>
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| 49 |
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| 50 | <screen os="f"><userinput>make install</userinput></screen>
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| 51 |
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| 52 | </sect2>
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| 53 |
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| 54 | <sect2 id="conf-systemd" role="configuration">
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| 55 | <title>Configuring systemd</title>
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| 56 |
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| 57 | <indexterm zone="conf-systemd">
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| 58 | <primary sortas="a-systemd">systemd</primary>
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| 59 | <secondary>configuring</secondary></indexterm>
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| 60 |
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| 61 | <indexterm zone="conf-systemd">
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| 62 | <primary sortas="e-/etc/os-release">/etc/os-release</primary>
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| 63 | </indexterm>
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| 64 |
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| 65 | <para>Create a file to identify the operating system.
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| 66 | <command>systemd</command> will use this file on boot to put information
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| 67 | on the screen.</para>
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| 68 |
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| 69 | <screen><userinput>cat > /etc/os-release << "EOF"
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| 70 | # Begin /etc/os-release
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| 71 |
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| 72 | NAME=Cross-LFS
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| 73 | ID=clfs
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| 74 |
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| 75 | PRETTY_NAME=Cross Linux From Scratch
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| 76 | ANSI_COLOR=0;33
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| 77 |
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| 78 | VERSION=&version;
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| 79 | VERSION_ID=&versionid;
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| 80 |
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| 81 | # End /etc/os-release
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| 82 | EOF</userinput></screen>
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| 83 |
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| 84 | </sect2>
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| 85 |
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| 86 | <sect2 id="contents-systemd" role="content">
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| 87 | <title>Contents of systemd</title>
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| 88 |
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| 89 | <segmentedlist>
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| 90 | <segtitle>Installed programs</segtitle>
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| 91 | <segtitle>Installed libraries</segtitle>
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| 92 | <segtitle>Installed directories</segtitle>
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| 93 |
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| 94 | <seglistitem>
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| 95 | <seg>systemctl, systemd, systemd-ask-password, systemd-cgls,
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| 96 | systemd-notify, systemd-tty-ask-password-agent</seg>
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| 97 | <seg>pam_systemd</seg>
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| 98 | <seg>/lib/systemd, /etc/systemd, /etc/tmpfiles.d,
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| 99 | /usr/share/systemd</seg>
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| 100 | </seglistitem>
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| 101 | </segmentedlist>
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| 102 |
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| 103 | <variablelist>
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| 104 | <bridgehead renderas="sect3">Short Descriptions</bridgehead>
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| 105 | <?dbfo list-presentation="list"?>
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| 106 | <?dbhtml list-presentation="table"?>
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| 107 |
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| 108 | <varlistentry id="systemctl">
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| 109 | <term><command>systemctl</command></term>
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| 110 | <listitem>
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| 111 | <para>Control the systemd system and service manager</para>
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| 112 | <indexterm zone="ch-system-systemd systemctl">
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| 113 | <primary sortas="b-systemctl">systemctl</primary>
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| 114 | </indexterm>
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| 115 | </listitem>
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| 116 | </varlistentry>
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| 117 |
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| 118 | <varlistentry id="systemd">
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| 119 | <term><command>systemd</command></term>
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| 120 | <listitem>
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| 121 | <para>System and service manager for Linux</para>
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| 122 | <indexterm zone="ch-system-systemd systemd">
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| 123 | <primary sortas="b-systemd">systemd</primary>
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| 124 | </indexterm>
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| 125 | </listitem>
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| 126 | </varlistentry>
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| 127 |
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| 128 | <varlistentry id="systemd-ask-password">
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| 129 | <term><command>systemd-ask-password</command></term>
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| 130 | <listitem>
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| 131 | <para>Queries the user for a system passphrase, via the
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| 132 | TTY or an UI agent.</para>
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| 133 | <indexterm zone="ch-system-systemd systemd-ask-password">
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| 134 | <primary sortas="b-systemd-ask-password">systemd-ask-password</primary>
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| 135 | </indexterm>
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| 136 | </listitem>
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| 137 | </varlistentry>
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| 138 |
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| 139 | <varlistentry id="systemd-cgls">
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| 140 | <term><command>systemd-cgls</command></term>
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| 141 | <listitem>
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| 142 | <para>Recursively shows control group contents</para>
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| 143 | <indexterm zone="ch-system-systemd systemd-cgls">
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| 144 | <primary sortas="b-systemd-cgls">systemd-cgls</primary>
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| 145 | </indexterm>
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| 146 | </listitem>
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| 147 | </varlistentry>
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| 148 |
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| 149 | <varlistentry id="systemd-notify">
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| 150 | <term><command>systemd-notify</command></term>
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| 151 | <listitem>
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| 152 | <para>Notify init system about start-up completion and other daemon
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| 153 | status changes</para>
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| 154 | <indexterm zone="ch-system-systemd systemd-notify">
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| 155 | <primary sortas="b-systemd-notify">systemd-notify</primary>
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| 156 | </indexterm>
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| 157 | </listitem>
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| 158 | </varlistentry>
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| 159 |
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| 160 | <varlistentry id="systemd-tty-ask-password-agent">
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| 161 | <term><command>systemd-tty-ask-password-agent</command></term>
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| 162 | <listitem>
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| 163 | <para>Process system password requests</para>
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| 164 | <indexterm zone="ch-system-systemd systemd-tty-ask-password-agent">
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| 165 | <primary sortas="b-systemd-tty-ask-password-agent">systemd-tty-ask-password-agent</primary>
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| 166 | </indexterm>
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| 167 | </listitem>
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| 168 | </varlistentry>
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| 169 |
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| 170 | <varlistentry id="pam_systemd">
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| 171 | <term><filename class="libraryfile">pam_systemd</filename></term>
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| 172 | <listitem>
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| 173 | <para>Register user sessions in the systemd control group
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| 174 | hierarchy</para>
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| 175 | <indexterm zone="ch-system-systemd pam_systemd">
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| 176 | <primary sortas="c-pam_systemd">pam_systemd</primary>
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| 177 | </indexterm>
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| 178 | </listitem>
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| 179 | </varlistentry>
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| 180 |
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| 181 | <varlistentry id="lib-systemd">
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| 182 | <term><filename class="directory">/lib/systemd</filename></term>
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| 183 | <listitem>
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| 184 | <para>Location of system units and configurations</para>
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| 185 | <indexterm zone="ch-system-systemd lib-systemd">
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| 186 | <primary sortas="e-/lib/systemd">/lib/systemd</primary>
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| 187 | </indexterm>
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| 188 | </listitem>
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| 189 | </varlistentry>
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| 190 |
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| 191 | <varlistentry id="etc-systemd">
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| 192 | <term><filename class="directory">/etc/systemd</filename></term>
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| 193 | <listitem>
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| 194 | <para>Location of user units and configurations</para>
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| 195 | <indexterm zone="ch-system-systemd etc-systemd">
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| 196 | <primary sortas="e-/etc/systemd">/etc/systemd</primary>
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| 197 | </indexterm>
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| 198 | </listitem>
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| 199 | </varlistentry>
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| 200 |
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| 201 | <varlistentry id="etc-tmpfilesd">
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| 202 | <term><filename class="directory">/etc/tmpfiles.d</filename></term>
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| 203 | <listitem>
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| 204 | <para>Configuration for creation, deletion and cleaning of temporary
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| 205 | and volatile files</para>
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| 206 | <indexterm zone="ch-system-systemd etc-tmpfilesd">
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| 207 | <primary sortas="e-/etc/tmpfiles.d">/etc/tmpfiles.d</primary>
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| 208 | </indexterm>
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| 209 | </listitem>
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| 210 | </varlistentry>
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| 211 |
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| 212 | <varlistentry id="usr-share-systemd">
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| 213 | <term><filename class="directory">/usr/share/systemd</filename></term>
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| 214 | <listitem>
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| 215 | <para>Location of session unit files</para>
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| 216 | <indexterm zone="ch-system-systemd usr-share-systemd">
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| 217 | <primary sortas="e-/usr/share/systemd">/usr/share/systemd</primary>
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| 218 | </indexterm>
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| 219 | </listitem>
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| 220 | </varlistentry>
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| 221 |
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| 222 | </variablelist>
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| 223 |
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| 224 | </sect2>
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| 225 |
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| 226 | </sect1>
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