| 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>The Systemd package 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="p1">Apply a patch so that compat <command>pkg-config</command>
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| 28 | files get installed without installing compat libraries:</para>
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| 29 |
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| 30 | <screen os="p2"><userinput>patch -Np1 -i ../&systemd-compat-patch;</userinput></screen>
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| 31 |
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| 32 | <para os="a">Prepare Systemd for compilation:</para>
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| 33 |
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| 34 | <screen os="b"><userinput>./configure --prefix=/usr \
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| 35 | --sysconfdir=/etc --localstatedir=/var \
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| 36 | --libexecdir=/usr/lib --docdir=/usr/share/doc/systemd-&systemd-version; \
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| 37 | --with-rootprefix="" --with-rootlibdir=/lib \
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| 38 | --enable-split-usr --disable-gudev --with-kbd-loadkeys=/bin/loadkeys \
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| 39 | --with-kbd-setfont=/bin/setfont --with-dbuspolicydir=/etc/dbus-1/system.d \
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| 40 | --with-dbusinterfacedir=/usr/share/dbus-1/interfaces \
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| 41 | --with-dbussessionservicedir=/usr/share/dbus-1/services \
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| 42 | --with-dbussystemservicedir=/usr/share/dbus-1/system-services</userinput></screen>
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| 43 |
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| 44 | <variablelist os="c">
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| 45 | <title>The meaning of the configure options:</title>
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| 46 |
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| 47 | <varlistentry>
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| 48 | <term><parameter>--with-root*</parameter></term>
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| 49 | <listitem>
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| 50 | <para>These switches ensure that core programs and
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| 51 | shared libraries are installed in the subdirectories
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| 52 | of the root partition.</para>
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| 53 | </listitem>
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| 54 | </varlistentry>
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| 55 |
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| 56 | <varlistentry>
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| 57 | <term><parameter>--enable-split-usr</parameter></term>
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| 58 | <listitem>
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| 59 | <para>This switch ensures that Systemd will work on
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| 60 | systems where /bin, /lib and /sbin directories are not
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| 61 | symlinks to their /usr counterparts.</para>
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| 62 | </listitem>
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| 63 | </varlistentry>
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| 64 |
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| 65 | <varlistentry>
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| 66 | <term><parameter>--disable-gudev --without-python</parameter></term>
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| 67 | <listitem>
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| 68 | <para>These switches disable optional features because
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| 69 | LFS does not provide their dependencies.</para>
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| 70 | </listitem>
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| 71 | </varlistentry>
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| 72 |
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| 73 | <varlistentry>
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| 74 | <term><parameter>--with-dbus*</parameter></term>
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| 75 | <listitem>
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| 76 | <para>These switches ensure that D-Bus configuration files get
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| 77 | installed to the correct locations.</para>
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| 78 | </listitem>
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| 79 | </varlistentry>
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| 80 | </variablelist>
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| 81 |
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| 82 | <para os="d">Compile the package:</para>
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| 83 |
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| 84 | <screen os="e"><userinput>make</userinput></screen>
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| 85 |
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| 86 | <para os="f">Prevent a broken test case from running:</para>
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| 87 |
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| 88 | <screen os="g"><userinput remap="test">
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| 89 | sed -e "s:test/udev-test.pl::g" \
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| 90 | -e "s:test-bus-cleanup\$(EXEEXT) ::g" \
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| 91 | -e "s:test-bus-gvariant\$(EXEEXT) ::g" \
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| 92 | -i Makefile</userinput></screen>
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| 93 |
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| 94 | <para os="h">Test the results, issue:</para>
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| 95 |
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| 96 | <screen os="i"><userinput remap="test">make check</userinput></screen>
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| 97 |
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| 98 | <para os="j">Install the package:</para>
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| 99 |
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| 100 | <screen os="k"><userinput>make install</userinput></screen>
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| 101 |
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| 102 | <para os="l">Install man pages and documentation files that are not
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| 103 | installed by default:</para>
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| 104 |
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| 105 | <screen os="m"><userinput>for section in 1 3 5 7 8
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| 106 | do
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| 107 | install -v -m644 man/*.${section} /usr/share/man/man${section}
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| 108 | done
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| 109 | install -v -m644 man/*.html /usr/share/doc/systemd-&systemd-version;</userinput></screen>
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| 110 |
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| 111 | <para os="n">Move NSS myhostname library to <filename class="directory">/lib
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| 112 | </filename>:</para>
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| 113 |
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| 114 | <screen os="o"><userinput>mv -v /usr/lib/libnss_myhostname.so.2 /lib</userinput></screen>
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| 115 |
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| 116 | <para os="p">Remove an unnecessary directory:</para>
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| 117 |
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| 118 | <screen os="q"><userinput>rm -rfv /usr/lib/rpm</userinput></screen>
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| 119 |
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| 120 | <para os="r">Create symlinks for backwards-compatibility with Sysvinit:</para>
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| 121 |
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| 122 | <screen os="s"><userinput>for tool in runlevel reboot shutdown poweroff halt telinit; do
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| 123 | ln -sfv ../bin/systemctl /sbin/$tool
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| 124 | done
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| 125 | ln -sfv ../lib/systemd/systemd /sbin/init</userinput></screen>
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| 126 |
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| 127 | <para os="t">Modify a configuration file which references a group that
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| 128 | doesn't exist:</para>
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| 129 |
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| 130 | <screen os="u"><userinput>sed -i "s@root lock@root root@g" /usr/lib/tmpfiles.d/legacy.conf</userinput></screen>
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| 131 |
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| 132 | </sect2>
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| 133 |
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| 134 | <sect2 id="conf-systemd" role="configuration">
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| 135 | <title>Configuring Systemd</title>
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| 136 |
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| 137 | <indexterm zone="conf-systemd">
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| 138 | <primary sortas="a-systemd">systemd</primary>
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| 139 | <secondary>configuring</secondary></indexterm>
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| 140 |
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| 141 | <indexterm zone="conf-systemd">
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| 142 | <primary sortas="e-/etc/os-release">/etc/os-release</primary>
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| 143 | </indexterm>
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| 144 |
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| 145 | <para>Create <filename>/etc/machine-id</filename> which is needed
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| 146 | by Journald:</para>
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| 147 |
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| 148 | <screen><userinput>systemd-machine-id-setup</userinput></screen>
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| 149 |
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| 150 | <para>Create a file to identify the operating system.
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| 151 | <command>systemd</command> will use this file on boot to put information
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| 152 | on the screen.</para>
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| 153 |
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| 154 | <screen><userinput>cat > /etc/os-release << "EOF"
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| 155 | # Begin /etc/os-release
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| 156 |
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| 157 | NAME=Cross-LFS
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| 158 | ID=clfs
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| 159 |
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| 160 | PRETTY_NAME=Cross Linux From Scratch
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| 161 | ANSI_COLOR=0;33
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| 162 |
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| 163 | VERSION=&version;
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| 164 | VERSION_ID=&versionid;
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| 165 |
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| 166 | # End /etc/os-release
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| 167 | EOF</userinput></screen>
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| 168 |
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| 169 | </sect2>
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| 170 |
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| 171 | <sect2 id="contents-systemd" role="content">
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| 172 | <title>Contents of Systemd</title>
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| 173 |
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| 174 | <segmentedlist>
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| 175 | <segtitle>Installed programs</segtitle>
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| 176 | <segtitle>Installed libraries</segtitle>
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| 177 | <segtitle>Installed directories</segtitle>
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| 178 |
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| 179 | <seglistitem>
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| 180 | <seg>systemctl, systemd, systemd-ask-password, systemd-cgls,
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| 181 | systemd-notify, systemd-tty-ask-password-agent</seg>
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| 182 | <seg>pam_systemd</seg>
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| 183 | <seg>/lib/systemd, /etc/systemd, /etc/tmpfiles.d,
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| 184 | /usr/share/systemd</seg>
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| 185 | </seglistitem>
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| 186 | </segmentedlist>
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| 187 |
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| 188 | <variablelist>
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| 189 | <bridgehead renderas="sect3">Short Descriptions</bridgehead>
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| 190 | <?dbfo list-presentation="list"?>
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| 191 | <?dbhtml list-presentation="table"?>
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| 192 |
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| 193 | <varlistentry id="systemctl">
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| 194 | <term><command>systemctl</command></term>
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| 195 | <listitem>
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| 196 | <para>Control the Systemd system and service manager</para>
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| 197 | <indexterm zone="ch-system-systemd systemctl">
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| 198 | <primary sortas="b-systemctl">systemctl</primary>
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| 199 | </indexterm>
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| 200 | </listitem>
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| 201 | </varlistentry>
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| 202 |
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| 203 | <varlistentry id="systemd">
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| 204 | <term><command>systemd</command></term>
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| 205 | <listitem>
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| 206 | <para>System and service manager for Linux</para>
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| 207 | <indexterm zone="ch-system-systemd systemd">
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| 208 | <primary sortas="b-systemd">systemd</primary>
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| 209 | </indexterm>
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| 210 | </listitem>
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| 211 | </varlistentry>
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| 212 |
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| 213 | <varlistentry id="systemd-ask-password">
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| 214 | <term><command>systemd-ask-password</command></term>
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| 215 | <listitem>
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| 216 | <para>Queries the user for a system passphrase, via the
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| 217 | TTY or an UI agent.</para>
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| 218 | <indexterm zone="ch-system-systemd systemd-ask-password">
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| 219 | <primary sortas="b-systemd-ask-password">systemd-ask-password</primary>
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| 220 | </indexterm>
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| 221 | </listitem>
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| 222 | </varlistentry>
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| 223 |
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| 224 | <varlistentry id="systemd-cgls">
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| 225 | <term><command>systemd-cgls</command></term>
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| 226 | <listitem>
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| 227 | <para>Recursively shows control group contents</para>
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| 228 | <indexterm zone="ch-system-systemd systemd-cgls">
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| 229 | <primary sortas="b-systemd-cgls">systemd-cgls</primary>
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| 230 | </indexterm>
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| 231 | </listitem>
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| 232 | </varlistentry>
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| 233 |
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| 234 | <varlistentry id="systemd-notify">
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| 235 | <term><command>systemd-notify</command></term>
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| 236 | <listitem>
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| 237 | <para>Notify init system about start-up completion and other daemon
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| 238 | status changes</para>
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| 239 | <indexterm zone="ch-system-systemd systemd-notify">
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| 240 | <primary sortas="b-systemd-notify">systemd-notify</primary>
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| 241 | </indexterm>
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| 242 | </listitem>
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| 243 | </varlistentry>
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| 244 |
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| 245 | <varlistentry id="systemd-tty-ask-password-agent">
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| 246 | <term><command>systemd-tty-ask-password-agent</command></term>
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| 247 | <listitem>
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| 248 | <para>Process system password requests</para>
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| 249 | <indexterm zone="ch-system-systemd systemd-tty-ask-password-agent">
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| 250 | <primary sortas="b-systemd-tty-ask-password-agent">systemd-tty-ask-password-agent</primary>
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| 251 | </indexterm>
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| 252 | </listitem>
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| 253 | </varlistentry>
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| 254 |
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| 255 | <varlistentry id="pam_systemd">
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| 256 | <term><filename class="libraryfile">pam_systemd</filename></term>
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| 257 | <listitem>
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| 258 | <para>Register user sessions in the Systemd control group
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| 259 | hierarchy</para>
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| 260 | <indexterm zone="ch-system-systemd pam_systemd">
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| 261 | <primary sortas="c-pam_systemd">pam_systemd</primary>
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| 262 | </indexterm>
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| 263 | </listitem>
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| 264 | </varlistentry>
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| 265 |
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| 266 | <varlistentry id="lib-systemd">
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| 267 | <term><filename class="directory">/lib/systemd</filename></term>
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| 268 | <listitem>
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| 269 | <para>Location of system units and configurations</para>
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| 270 | <indexterm zone="ch-system-systemd lib-systemd">
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| 271 | <primary sortas="e-/lib/systemd">/lib/systemd</primary>
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| 272 | </indexterm>
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| 273 | </listitem>
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| 274 | </varlistentry>
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| 275 |
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| 276 | <varlistentry id="etc-systemd">
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| 277 | <term><filename class="directory">/etc/systemd</filename></term>
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| 278 | <listitem>
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| 279 | <para>Location of user units and configurations</para>
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| 280 | <indexterm zone="ch-system-systemd etc-systemd">
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| 281 | <primary sortas="e-/etc/systemd">/etc/systemd</primary>
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| 282 | </indexterm>
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| 283 | </listitem>
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| 284 | </varlistentry>
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| 285 |
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| 286 | <varlistentry id="etc-tmpfilesd">
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| 287 | <term><filename class="directory">/etc/tmpfiles.d</filename></term>
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| 288 | <listitem>
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| 289 | <para>Configuration for creation, deletion and cleaning of temporary
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| 290 | and volatile files</para>
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| 291 | <indexterm zone="ch-system-systemd etc-tmpfilesd">
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| 292 | <primary sortas="e-/etc/tmpfiles.d">/etc/tmpfiles.d</primary>
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| 293 | </indexterm>
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| 294 | </listitem>
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| 295 | </varlistentry>
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| 296 |
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| 297 | <varlistentry id="usr-share-systemd">
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| 298 | <term><filename class="directory">/usr/share/systemd</filename></term>
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| 299 | <listitem>
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| 300 | <para>Location of session unit files</para>
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| 301 | <indexterm zone="ch-system-systemd usr-share-systemd">
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| 302 | <primary sortas="e-/usr/share/systemd">/usr/share/systemd</primary>
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| 303 | </indexterm>
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| 304 | </listitem>
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| 305 | </varlistentry>
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| 306 |
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| 307 | </variablelist>
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| 308 |
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| 309 | </sect2>
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| 310 |
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| 311 | </sect1>
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