| 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</parameter></term>
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| 67 | <listitem>
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| 68 | <para>This switch prevents systemd from building
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| 69 | <filename class="libraryfile">libgudev</filename> as it requires
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| 70 | Glib, which is not installed in CLFS.</para>
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| 71 | </listitem>
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| 72 | </varlistentry>
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| 73 |
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| 74 | <varlistentry>
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| 75 | <term><parameter>--with-dbus*</parameter></term>
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| 76 | <listitem>
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| 77 | <para>These switches ensure that D-Bus configuration files get
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| 78 | installed to the correct locations.</para>
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| 79 | </listitem>
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| 80 | </varlistentry>
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| 81 | </variablelist>
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| 82 |
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| 83 | <para os="d">Compile the package:</para>
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| 84 |
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| 85 | <screen os="e"><userinput>make</userinput></screen>
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| 86 |
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| 87 | <para os="f">Prevent a broken test case from running:</para>
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| 88 |
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| 89 | <screen os="g"><userinput remap="test">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 documentation files that are not installed by default:</para>
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| 103 |
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| 104 | <screen os="m"><userinput>install -v -m644 man/*.html /usr/share/doc/systemd-&systemd-version;</userinput></screen>
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| 105 |
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| 106 | <para os="n">Move NSS myhostname library to <filename class="directory">/lib
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| 107 | </filename>:</para>
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| 108 |
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| 109 | <screen os="o"><userinput>mv -v /usr/lib/libnss_myhostname.so.2 /lib</userinput></screen>
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| 110 |
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| 111 | <para os="p">Remove an unnecessary directory:</para>
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| 112 |
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| 113 | <screen os="q"><userinput>rm -rfv /usr/lib/rpm</userinput></screen>
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| 114 |
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| 115 | <para os="r">Create symlinks for backwards-compatibility with Sysvinit:</para>
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| 116 |
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| 117 | <screen os="s"><userinput>for tool in runlevel reboot shutdown poweroff halt telinit; do
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| 118 | ln -sfv ../bin/systemctl /sbin/$tool
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| 119 | done
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| 120 | ln -sfv ../lib/systemd/systemd /sbin/init</userinput></screen>
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| 121 |
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| 122 | <para os="t">Modify a configuration file which references a group that
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| 123 | doesn't exist:</para>
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| 124 |
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| 125 | <screen os="u"><userinput>sed -i "s@root lock@root root@g" /usr/lib/tmpfiles.d/legacy.conf</userinput></screen>
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| 126 |
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| 127 | </sect2>
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| 128 |
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| 129 | <sect2 id="conf-systemd" role="configuration">
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| 130 | <title>Configuring Systemd</title>
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| 131 |
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| 132 | <indexterm zone="conf-systemd">
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| 133 | <primary sortas="a-systemd">systemd</primary>
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| 134 | <secondary>configuring</secondary></indexterm>
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| 135 |
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| 136 | <indexterm zone="conf-systemd">
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| 137 | <primary sortas="e-/etc/os-release">/etc/os-release</primary>
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| 138 | </indexterm>
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| 139 |
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| 140 | <para>Create <filename>/etc/machine-id</filename> which is needed
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| 141 | by Journald:</para>
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| 142 |
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| 143 | <screen><userinput>systemd-machine-id-setup</userinput></screen>
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| 144 |
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| 145 | <para>Create a file to identify the operating system.
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| 146 | <command>systemd</command> will use this file on boot to put information
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| 147 | on the screen.</para>
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| 148 |
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| 149 | <screen><userinput>cat > /etc/os-release << "EOF"
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| 150 | # Begin /etc/os-release
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| 151 |
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| 152 | NAME=Cross-LFS
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| 153 | ID=clfs
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| 154 |
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| 155 | PRETTY_NAME=Cross Linux From Scratch
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| 156 | ANSI_COLOR=0;33
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| 157 |
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| 158 | VERSION=&version;
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| 159 | VERSION_ID=&versionid;
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| 160 |
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| 161 | # End /etc/os-release
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| 162 | EOF</userinput></screen>
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| 163 |
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| 164 | </sect2>
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| 165 |
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| 166 | <sect2 id="contents-systemd" role="content">
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| 167 | <title>Contents of Systemd</title>
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| 168 |
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| 169 | <segmentedlist>
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| 170 | <segtitle>Installed programs</segtitle>
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| 171 | <segtitle>Installed libraries</segtitle>
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| 172 | <segtitle>Installed directories</segtitle>
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| 173 |
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| 174 | <seglistitem>
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| 175 | <seg>bootctl, busctl, halt (link to systemctl), hostnamectl,
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| 176 | init (link to systemd), journalctl, kernel-install, localectl, loginctl,
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| 177 | machinectl, poweroff (link to systemctl), reboot (link to systemctl),
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| 178 | runlevel (link to systemctl), shutdown (link to systemctl),
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| 179 | systemctl, system-analyze, systemd-ask-password, systemd-cat,
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| 180 | systemd-cgls, systemd-cgtop, systemd-coredumpctl, systemd-delta,
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| 181 | systemd-detect-virt, systemd-inhibit, systemd-machine-id-setup,
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| 182 | systemd-notify, systemd-nspawn, systemd-run, systemd-stdio-bridge
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| 183 | (link to systemd-bus-proxyd), systemd-tmpfiles,
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| 184 | systemd-tty-ask-password-agent, telinit (link to systemctl),
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| 185 | timedatectl, udevadm</seg>
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| 186 | <seg>libnss_myhostname.so, libsystemd.so, libudev.so</seg>
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| 187 | <seg>/etc/binfmt.d, /etc/init.d, /etc/kernel, /etc/modules-load.d,
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| 188 | /etc/sysctl.d, /etc/systemd, /etc/tmpfiles.d, /etc/udev,
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| 189 | /etc/xdg/systemd, /lib/systemd, /lib/udev, /usr/include/systemd,
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| 190 | /usr/lib/binfmt.d, /usr/lib/kernel, /usr/lib/modules-load.d,
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| 191 | /usr/lib/sysctl.d, /usr/lib/systemd,
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| 192 | /usr/share/doc-systemd-&systemd-version;, /usr/share/systemd,
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| 193 | /var/lib/systemd</seg>
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| 194 | </seglistitem>
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| 195 | </segmentedlist>
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| 196 |
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| 197 | <variablelist>
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| 198 | <bridgehead renderas="sect3">Short Descriptions</bridgehead>
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| 199 | <?dbfo list-presentation="list"?>
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| 200 | <?dbhtml list-presentation="table"?>
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| 201 |
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| 202 | <varlistentry id="systemctl">
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| 203 | <term><command>systemctl</command></term>
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| 204 | <listitem>
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| 205 | <para>Control the systemd system and service manager</para>
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| 206 | <indexterm zone="ch-system-systemd systemctl">
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| 207 | <primary sortas="b-systemctl">systemctl</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="systemd">
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| 213 | <term><command>systemd</command></term>
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| 214 | <listitem>
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| 215 | <para>System and service manager for Linux</para>
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| 216 | <indexterm zone="ch-system-systemd systemd">
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| 217 | <primary sortas="b-systemd">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 | <varlistentry id="systemd-ask-password">
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| 223 | <term><command>systemd-ask-password</command></term>
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| 224 | <listitem>
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| 225 | <para>Queries the user for a system passphrase, via the
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| 226 | TTY or an UI agent.</para>
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| 227 | <indexterm zone="ch-system-systemd systemd-ask-password">
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| 228 | <primary sortas="b-systemd-ask-password">systemd-ask-password</primary>
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| 229 | </indexterm>
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| 230 | </listitem>
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| 231 | </varlistentry>
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| 232 |
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| 233 | <varlistentry id="systemd-cgls">
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| 234 | <term><command>systemd-cgls</command></term>
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| 235 | <listitem>
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| 236 | <para>Recursively shows control group contents</para>
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| 237 | <indexterm zone="ch-system-systemd systemd-cgls">
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| 238 | <primary sortas="b-systemd-cgls">systemd-cgls</primary>
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| 239 | </indexterm>
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| 240 | </listitem>
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| 241 | </varlistentry>
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| 242 |
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| 243 | <varlistentry id="systemd-notify">
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| 244 | <term><command>systemd-notify</command></term>
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| 245 | <listitem>
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| 246 | <para>Notify init system about start-up completion and other daemon
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| 247 | status changes</para>
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| 248 | <indexterm zone="ch-system-systemd systemd-notify">
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| 249 | <primary sortas="b-systemd-notify">systemd-notify</primary>
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| 250 | </indexterm>
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| 251 | </listitem>
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| 252 | </varlistentry>
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| 253 |
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| 254 | <varlistentry id="systemd-tty-ask-password-agent">
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| 255 | <term><command>systemd-tty-ask-password-agent</command></term>
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| 256 | <listitem>
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| 257 | <para>Process system password requests</para>
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| 258 | <indexterm zone="ch-system-systemd systemd-tty-ask-password-agent">
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| 259 | <primary sortas="b-systemd-tty-ask-password-agent">systemd-tty-ask-password-agent</primary>
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| 260 | </indexterm>
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| 261 | </listitem>
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| 262 | </varlistentry>
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| 263 |
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| 264 | <varlistentry id="pam_systemd">
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| 265 | <term><filename class="libraryfile">pam_systemd</filename></term>
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| 266 | <listitem>
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| 267 | <para>Register user sessions in the systemd control group
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| 268 | hierarchy</para>
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| 269 | <indexterm zone="ch-system-systemd pam_systemd">
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| 270 | <primary sortas="c-pam_systemd">pam_systemd</primary>
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| 271 | </indexterm>
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| 272 | </listitem>
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| 273 | </varlistentry>
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| 274 |
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| 275 | <varlistentry id="lib-systemd">
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| 276 | <term><filename class="directory">/lib/systemd</filename></term>
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| 277 | <listitem>
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| 278 | <para>Location of system units and configurations</para>
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| 279 | <indexterm zone="ch-system-systemd lib-systemd">
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| 280 | <primary sortas="e-/lib/systemd">/lib/systemd</primary>
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| 281 | </indexterm>
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| 282 | </listitem>
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| 283 | </varlistentry>
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| 284 |
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| 285 | <varlistentry id="etc-systemd">
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| 286 | <term><filename class="directory">/etc/systemd</filename></term>
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| 287 | <listitem>
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| 288 | <para>Location of user units and configurations</para>
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| 289 | <indexterm zone="ch-system-systemd etc-systemd">
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| 290 | <primary sortas="e-/etc/systemd">/etc/systemd</primary>
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| 291 | </indexterm>
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| 292 | </listitem>
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| 293 | </varlistentry>
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| 294 |
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| 295 | <varlistentry id="etc-tmpfilesd">
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| 296 | <term><filename class="directory">/etc/tmpfiles.d</filename></term>
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| 297 | <listitem>
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| 298 | <para>Configuration for creation, deletion and cleaning of temporary
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| 299 | and volatile files</para>
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| 300 | <indexterm zone="ch-system-systemd etc-tmpfilesd">
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| 301 | <primary sortas="e-/etc/tmpfiles.d">/etc/tmpfiles.d</primary>
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| 302 | </indexterm>
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| 303 | </listitem>
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| 304 | </varlistentry>
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| 305 |
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| 306 | <varlistentry id="usr-share-systemd">
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| 307 | <term><filename class="directory">/usr/share/systemd</filename></term>
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| 308 | <listitem>
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| 309 | <para>Location of session unit files</para>
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| 310 | <indexterm zone="ch-system-systemd usr-share-systemd">
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| 311 | <primary sortas="e-/usr/share/systemd">/usr/share/systemd</primary>
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| 312 | </indexterm>
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| 313 | </listitem>
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| 314 | </varlistentry>
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| 315 |
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| 316 | </variablelist>
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| 317 |
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| 318 | </sect2>
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| 319 |
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| 320 | </sect1>
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