| 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">Systemd 209 merged several libraries into
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| 28 | <filename class="libraryfile">libsystemd</filename>, but some packages
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| 29 | that use systemd still expect those separate libraries. Apply a patch
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| 30 | to allow backwards compatibility with these packages by
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| 31 | installing Pkg-config files for the old libraries:</para>
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| 32 |
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| 33 | <screen os="p2"><userinput>patch -Np1 -i ../&systemd-compat-patch;</userinput></screen>
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| 34 |
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| 35 | <para os="s1">Prevent the <filename>Makefile</filename> from trying to run
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| 36 | <command>setcap</command> on <command>systemd-detect-virt</command>,
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| 37 | which will fail if the kernel or file system does not support extended
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| 38 | capabilities:</para>
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| 39 |
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| 40 | <screen os="s2"><userinput>sed -i '/virt-install-hook /d' Makefile.in</userinput></screen>
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| 41 |
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| 42 | <para os="s3">The <filename>timesyncd.conf</filename> file contains a
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| 43 | reference to a non-existent <filename>timesyncd.conf(5)</filename> man
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| 44 | page. Remove that reference to avoid possible confusion:</para>
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| 45 |
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| 46 | <screen os="s4"><userinput>sed -i '/timesyncd.conf/d' src/timesync/timesyncd.conf.in</userinput></screen>
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| 47 |
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| 48 | <para os="s5">By default, <command>systemd-fsck</command> will run
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| 49 | <filename>/sbin/fsck</filename> with the <option>-l</option> option, which
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| 50 | applies an <function>flock</function> on the file system being checked.
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| 51 | This can conflict with an <function>flock</function> that
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| 52 | systemd itself puts on the file system, which could result in problems
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| 53 | booting. <command>fsck</command> will be fixed to avoid this problem in a
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| 54 | future release of Util-linux, but for now we will work around the issue by
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| 55 | simply preventing <command>systemd-fsck</command> from using <option>-l</option>:</para>
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| 56 |
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| 57 | <screen os="s6"><userinput>sed -i '/-l/d' src/fsck/fsck.c</userinput></screen>
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| 58 |
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| 59 | <para os="a">Prepare systemd for compilation:</para>
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| 60 |
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| 61 | <screen os="b"><userinput>./configure --prefix=/usr \
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| 62 | --sysconfdir=/etc --localstatedir=/var \
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| 63 | --libexecdir=/usr/lib --docdir=/usr/share/doc/systemd-&systemd-version; \
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| 64 | --with-rootprefix="" --with-rootlibdir=/lib \
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| 65 | --enable-split-usr --disable-gudev --with-kbd-loadkeys=/bin/loadkeys \
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| 66 | --with-kbd-setfont=/bin/setfont --with-dbuspolicydir=/etc/dbus-1/system.d \
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| 67 | --with-dbusinterfacedir=/usr/share/dbus-1/interfaces \
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| 68 | --with-dbussessionservicedir=/usr/share/dbus-1/services \
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| 69 | --with-dbussystemservicedir=/usr/share/dbus-1/system-services \
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| 70 | cc_cv_CFLAGS__flto=no</userinput></screen>
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| 71 |
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| 72 | <variablelist os="c">
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| 73 | <title>The meaning of the configure options:</title>
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| 74 |
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| 75 | <varlistentry>
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| 76 | <term><parameter>--with-root*</parameter></term>
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| 77 | <listitem>
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| 78 | <para>These switches ensure that core programs and
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| 79 | shared libraries are installed in the subdirectories
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| 80 | of the root partition.</para>
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| 81 | </listitem>
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| 82 | </varlistentry>
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| 83 |
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| 84 | <varlistentry>
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| 85 | <term><parameter>--enable-split-usr</parameter></term>
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| 86 | <listitem>
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| 87 | <para>This switch ensures that systemd will work on
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| 88 | systems where /bin, /lib and /sbin directories are not
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| 89 | symlinks to their /usr counterparts.</para>
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| 90 | </listitem>
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| 91 | </varlistentry>
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| 92 |
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| 93 | <varlistentry>
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| 94 | <term><parameter>--disable-gudev</parameter></term>
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| 95 | <listitem>
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| 96 | <para>This switch prevents systemd from building
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| 97 | <filename class="libraryfile">libgudev</filename> as it requires
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| 98 | Glib, which is not installed in CLFS.</para>
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| 99 | </listitem>
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| 100 | </varlistentry>
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| 101 |
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| 102 | <varlistentry>
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| 103 | <term><parameter>--with-dbus*</parameter></term>
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| 104 | <listitem>
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| 105 | <para>These switches ensure that D-Bus configuration files get
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| 106 | installed to the correct locations.</para>
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| 107 | </listitem>
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| 108 | </varlistentry>
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| 109 |
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| 110 | <varlistentry>
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| 111 | <term><parameter>cc_cv_CFLAGS__flto=no</parameter></term>
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| 112 | <listitem>
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| 113 | <para>This prevents the build system from using GCC's Link-time
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| 114 | optimization (LTO), to ensure that systemd's binaries will not try
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| 115 | to link to <filename class="libraryfile">libgcc_s</filename>.</para>
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| 116 | </listitem>
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| 117 | </varlistentry>
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| 118 |
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| 119 | </variablelist>
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| 120 |
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| 121 | <para os="d">Compile the package:</para>
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| 122 |
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| 123 | <screen os="e"><userinput>make</userinput></screen>
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| 124 |
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| 125 | <para os="f">Prevent a broken test case from running:</para>
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| 126 |
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| 127 | <screen os="g"><userinput remap="test">sed -e "s:test/udev-test.pl::g" \
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| 128 | -e "s:test-bus-cleanup\$(EXEEXT) ::g" \
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| 129 | -e "s:test-bus-gvariant\$(EXEEXT) ::g" \
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| 130 | -i Makefile</userinput></screen>
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| 131 |
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| 132 | <para os="h">To test the results, issue:</para>
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| 133 |
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| 134 | <screen os="i"><userinput remap="test">make check</userinput></screen>
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| 135 |
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| 136 | <para os="j">Install the package:</para>
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| 137 |
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| 138 | <screen os="k"><userinput>make install</userinput></screen>
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| 139 |
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| 140 | <para os="l">Install documentation files that are not installed by default:</para>
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| 141 |
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| 142 | <screen os="m"><userinput>install -v -m644 man/*.html /usr/share/doc/systemd-&systemd-version;</userinput></screen>
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| 143 |
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| 144 | <para os="n">Move the
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| 145 | <filename class="libraryfile">nss_myhostname</filename> library to
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| 146 | <filename class="directory">/lib</filename>:</para>
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| 147 |
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| 148 | <screen os="o"><userinput>mv -v /usr/lib/libnss_myhostname.so.2 /lib</userinput></screen>
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| 149 |
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| 150 | <para os="p">Remove an unnecessary directory:</para>
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| 151 |
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| 152 | <screen os="q"><userinput>rm -rfv /usr/lib/rpm</userinput></screen>
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| 153 |
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| 154 | <para os="r">Create symlinks for backwards-compatibility with Sysvinit:</para>
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| 155 |
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| 156 | <screen os="s"><userinput>for tool in runlevel reboot shutdown poweroff halt telinit; do
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| 157 | ln -sfv ../bin/systemctl /sbin/$tool
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| 158 | done
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| 159 | ln -sfv ../lib/systemd/systemd /sbin/init</userinput></screen>
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| 160 |
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| 161 | <para os="t">Modify a configuration file which references a group that
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| 162 | doesn't exist:</para>
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| 163 |
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| 164 | <screen os="u"><userinput>sed -i "s@root lock@root root@g" /usr/lib/tmpfiles.d/legacy.conf</userinput></screen>
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| 165 |
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| 166 | </sect2>
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| 167 |
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| 168 | <sect2 id="conf-systemd" role="configuration">
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| 169 | <title>Configuring Systemd</title>
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| 170 |
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| 171 | <indexterm zone="conf-systemd">
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| 172 | <primary sortas="a-systemd">systemd</primary>
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| 173 | <secondary>configuring</secondary></indexterm>
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| 174 |
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| 175 | <indexterm zone="conf-systemd">
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| 176 | <primary sortas="e-/etc/os-release">/etc/os-release</primary>
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| 177 | </indexterm>
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| 178 |
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| 179 | <para>Create <filename>/etc/machine-id</filename> which is needed
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| 180 | by Journald:</para>
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| 181 |
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| 182 | <screen><userinput>systemd-machine-id-setup</userinput></screen>
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| 183 |
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| 184 | <para>Create a file to identify the operating system.
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| 185 | <command>systemd</command> will use this file on boot to put information
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| 186 | on the screen.</para>
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| 187 |
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| 188 | <screen><userinput>cat > /etc/os-release << "EOF"
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| 189 | # Begin /etc/os-release
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| 190 |
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| 191 | NAME=Cross-LFS
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| 192 | ID=clfs
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| 193 |
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| 194 | PRETTY_NAME=Cross Linux From Scratch
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| 195 | ANSI_COLOR=0;33
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| 196 |
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| 197 | VERSION=&version;
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| 198 | VERSION_ID=&versionid;
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| 199 |
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| 200 | # End /etc/os-release
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| 201 | EOF</userinput></screen>
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| 202 |
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| 203 | </sect2>
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| 204 |
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| 205 | <sect2 id="contents-systemd" role="content">
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| 206 | <title>Contents of Systemd</title>
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| 207 |
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| 208 | <segmentedlist>
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| 209 | <segtitle>Installed programs</segtitle>
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| 210 | <segtitle>Installed libraries</segtitle>
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| 211 | <segtitle>Installed directories</segtitle>
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| 212 |
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| 213 | <seglistitem>
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| 214 | <seg>bootctl, busctl, halt (link to systemctl), hostnamectl,
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| 215 | init (link to systemd), journalctl, kernel-install, localectl, loginctl,
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| 216 | machinectl, poweroff (link to systemctl), reboot (link to systemctl),
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| 217 | runlevel (link to systemctl), shutdown (link to systemctl),
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| 218 | systemctl, systemd, system-analyze, systemd-ask-password, systemd-cat,
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| 219 | systemd-cgls, systemd-cgtop, systemd-coredumpctl, systemd-delta,
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| 220 | systemd-detect-virt, systemd-inhibit, systemd-machine-id-setup,
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| 221 | systemd-notify, systemd-nspawn, systemd-run, systemd-stdio-bridge
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| 222 | (link to systemd-bus-proxyd), systemd-tmpfiles,
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| 223 | systemd-tty-ask-password-agent, telinit (link to systemctl),
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| 224 | timedatectl, udevadm</seg>
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| 225 | <seg>libnss_myhostname.so, libsystemd.so, libudev.so</seg>
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| 226 | <seg>/etc/binfmt.d, /etc/init.d, /etc/kernel, /etc/modules-load.d,
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| 227 | /etc/sysctl.d, /etc/systemd, /etc/tmpfiles.d, /etc/udev,
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| 228 | /etc/xdg/systemd, /lib/systemd, /lib/udev, /usr/include/systemd,
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| 229 | /usr/lib/binfmt.d, /usr/lib/kernel, /usr/lib/modules-load.d,
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| 230 | /usr/lib/sysctl.d, /usr/lib/systemd,
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| 231 | /usr/share/doc-systemd-&systemd-version;, /usr/share/systemd,
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| 232 | /usr/share/zsh, /var/lib/systemd</seg>
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| 233 | </seglistitem>
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| 234 | </segmentedlist>
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| 235 |
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| 236 | <variablelist>
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| 237 | <bridgehead renderas="sect3">Short Descriptions</bridgehead>
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| 238 | <?dbfo list-presentation="list"?>
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| 239 | <?dbhtml list-presentation="table"?>
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| 240 |
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| 241 | <varlistentry id="bootctl">
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| 242 | <term><command>bootctl</command></term>
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| 243 | <listitem>
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| 244 | <para>Controls the firmware and boot manager settings</para>
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| 245 | <indexterm zone="ch-system-systemd bootctl">
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| 246 | <primary sortas="b-bootctl">bootctl</primary>
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| 247 | </indexterm>
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| 248 | </listitem>
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| 249 | </varlistentry>
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| 250 |
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| 251 | <varlistentry id="busctl">
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| 252 | <term><command>busctl</command></term>
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| 253 | <listitem>
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| 254 | <para>Introspects and monitors the D-Bus bus</para>
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| 255 | <indexterm zone="ch-system-systemd busctl">
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| 256 | <primary sortas="b-busctl">busctl</primary>
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| 257 | </indexterm>
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| 258 | </listitem>
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| 259 | </varlistentry>
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| 260 |
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| 261 | <varlistentry id="halt">
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| 262 | <term><command>halt</command></term>
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| 263 | <listitem>
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| 264 | <para>Halts, powers off, or reboots the machine</para>
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| 265 | <indexterm zone="ch-system-systemd halt">
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| 266 | <primary sortas="b-halt">halt</primary>
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| 267 | </indexterm>
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| 268 | </listitem>
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| 269 | </varlistentry>
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| 270 |
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| 271 | <varlistentry id="hostnamectl">
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| 272 | <term><command>hostnamectl</command></term>
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| 273 | <listitem>
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| 274 | <para>Controls the system hostname</para>
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| 275 | <indexterm zone="ch-system-systemd hostnamectl">
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| 276 | <primary sortas="b-hostnamectl">hostnamectl</primary>
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| 277 | </indexterm>
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| 278 | </listitem>
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| 279 | </varlistentry>
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| 280 |
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| 281 | <varlistentry id="init">
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| 282 | <term><command>init</command></term>
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| 283 | <listitem>
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| 284 | <para>systemd system and service manager</para>
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| 285 | <indexterm zone="ch-system-systemd init">
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| 286 | <primary sortas="b-init">init</primary>
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| 287 | </indexterm>
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| 288 | </listitem>
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| 289 | </varlistentry>
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| 290 |
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| 291 | <varlistentry id="journalctl">
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| 292 | <term><command>journalctl</command></term>
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| 293 | <listitem>
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| 294 | <para>Queries the systemd journal</para>
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| 295 | <indexterm zone="ch-system-systemd journalctl">
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| 296 | <primary sortas="b-journalctl">journalctl</primary>
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| 297 | </indexterm>
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| 298 | </listitem>
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| 299 | </varlistentry>
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| 300 |
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| 301 | <varlistentry id="kernel-install">
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| 302 | <term><command>kernel-install</command></term>
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| 303 | <listitem>
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| 304 | <para>Adds and removes kernel and initramfs images to and from
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| 305 | <filename class="directory">/boot</filename></para>
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| 306 | <indexterm zone="ch-system-systemd kernel-install">
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| 307 | <primary sortas="b-kernel-install">kernel-install</primary>
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| 308 | </indexterm>
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| 309 | </listitem>
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| 310 | </varlistentry>
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| 311 |
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| 312 | <varlistentry id="localectl">
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| 313 | <term><command>localectl</command></term>
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| 314 | <listitem>
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| 315 | <para>Controls the system locale and keyboard layout settings</para>
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| 316 | <indexterm zone="ch-system-systemd localectl">
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| 317 | <primary sortas="b-localectl">localectl</primary>
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| 318 | </indexterm>
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| 319 | </listitem>
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| 320 | </varlistentry>
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| 321 |
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| 322 | <varlistentry id="loginctl">
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| 323 | <term><command>loginctl</command></term>
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| 324 | <listitem>
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| 325 | <para>Controls the systemd login manager</para>
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| 326 | <indexterm zone="ch-system-systemd loginctl">
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| 327 | <primary sortas="b-loginctl">loginctl</primary>
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| 328 | </indexterm>
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| 329 | </listitem>
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| 330 | </varlistentry>
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| 331 |
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| 332 | <varlistentry id="machinectl">
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| 333 | <term><command>machinectl</command></term>
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| 334 | <listitem>
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| 335 | <para>Controls the systemd machine manager</para>
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| 336 | <indexterm zone="ch-system-systemd machinectl">
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| 337 | <primary sortas="b-machinectl">machinectl</primary>
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| 338 | </indexterm>
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| 339 | </listitem>
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| 340 | </varlistentry>
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| 341 |
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| 342 | <varlistentry id="poweroff">
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| 343 | <term><command>poweroff</command></term>
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| 344 | <listitem>
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| 345 | <para>Halts, powers off, or reboots the machine</para>
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| 346 | <indexterm zone="ch-system-systemd poweroff">
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| 347 | <primary sortas="b-poweroff">poweroff</primary>
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| 348 | </indexterm>
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| 349 | </listitem>
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| 350 | </varlistentry>
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| 351 |
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| 352 | <varlistentry id="reboot">
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| 353 | <term><command>reboot</command></term>
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| 354 | <listitem>
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| 355 | <para>Halts, powers off, or reboots the machine</para>
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| 356 | <indexterm zone="ch-system-systemd reboot">
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| 357 | <primary sortas="b-reboot">reboot</primary>
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| 358 | </indexterm>
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| 359 | </listitem>
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| 360 | </varlistentry>
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| 361 |
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| 362 | <varlistentry id="runlevel">
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| 363 | <term><command>runlevel</command></term>
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| 364 | <listitem>
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| 365 | <para>Prints previous and current SysV runlevel</para>
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| 366 | <indexterm zone="ch-system-systemd runlevel">
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| 367 | <primary sortas="b-runlevel">runlevel</primary>
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| 368 | </indexterm>
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| 369 | </listitem>
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| 370 | </varlistentry>
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| 371 |
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| 372 | <varlistentry id="shutdown">
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| 373 | <term><command>shutdown</command></term>
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| 374 | <listitem>
|
|---|
| 375 | <para>Halts, powers off, or reboots the machine</para>
|
|---|
| 376 | <indexterm zone="ch-system-systemd shutdown">
|
|---|
| 377 | <primary sortas="b-shutdown">shutdown</primary>
|
|---|
| 378 | </indexterm>
|
|---|
| 379 | </listitem>
|
|---|
| 380 | </varlistentry>
|
|---|
| 381 |
|
|---|
| 382 | <varlistentry id="systemctl">
|
|---|
| 383 | <term><command>systemctl</command></term>
|
|---|
| 384 | <listitem>
|
|---|
| 385 | <para>Control the systemd system and service manager</para>
|
|---|
| 386 | <indexterm zone="ch-system-systemd systemctl">
|
|---|
| 387 | <primary sortas="b-systemctl">systemctl</primary>
|
|---|
| 388 | </indexterm>
|
|---|
| 389 | </listitem>
|
|---|
| 390 | </varlistentry>
|
|---|
| 391 |
|
|---|
| 392 | <varlistentry id="systemd">
|
|---|
| 393 | <term><command>systemd</command></term>
|
|---|
| 394 | <listitem>
|
|---|
| 395 | <para>System and service manager for Linux</para>
|
|---|
| 396 | <indexterm zone="ch-system-systemd systemd">
|
|---|
| 397 | <primary sortas="b-systemd">systemd</primary>
|
|---|
| 398 | </indexterm>
|
|---|
| 399 | </listitem>
|
|---|
| 400 | </varlistentry>
|
|---|
| 401 |
|
|---|
| 402 | <varlistentry id="systemd-analyze">
|
|---|
| 403 | <term><command>systemd-analyze</command></term>
|
|---|
| 404 | <listitem>
|
|---|
| 405 | <para>Analyzes system boot-up permformance</para>
|
|---|
| 406 | <indexterm zone="ch-system-systemd systemd-analyze">
|
|---|
| 407 | <primary sortas="b-systemd-analyze">systemd-analyze</primary>
|
|---|
| 408 | </indexterm>
|
|---|
| 409 | </listitem>
|
|---|
| 410 | </varlistentry>
|
|---|
| 411 |
|
|---|
| 412 | <varlistentry id="systemd-ask-password">
|
|---|
| 413 | <term><command>systemd-ask-password</command></term>
|
|---|
| 414 | <listitem>
|
|---|
| 415 | <para>Queries the user for a system passphrase, via the
|
|---|
| 416 | TTY or an UI agent.</para>
|
|---|
| 417 | <indexterm zone="ch-system-systemd systemd-ask-password">
|
|---|
| 418 | <primary sortas="b-systemd-ask-password">systemd-ask-password</primary>
|
|---|
| 419 | </indexterm>
|
|---|
| 420 | </listitem>
|
|---|
| 421 | </varlistentry>
|
|---|
| 422 |
|
|---|
| 423 | <varlistentry id="systemd-cat">
|
|---|
| 424 | <term><command>systemd-cat</command></term>
|
|---|
| 425 | <listitem>
|
|---|
| 426 | <para>Connects a pipeline or program's output with the journal</para>
|
|---|
| 427 | <indexterm zone="ch-system-systemd systemd-cat">
|
|---|
| 428 | <primary sortas="b-systemd-cat">systemd-cat</primary>
|
|---|
| 429 | </indexterm>
|
|---|
| 430 | </listitem>
|
|---|
| 431 | </varlistentry>
|
|---|
| 432 |
|
|---|
| 433 | <varlistentry id="systemd-cgls">
|
|---|
| 434 | <term><command>systemd-cgls</command></term>
|
|---|
| 435 | <listitem>
|
|---|
| 436 | <para>Recursively shows control group contents</para>
|
|---|
| 437 | <indexterm zone="ch-system-systemd systemd-cgls">
|
|---|
| 438 | <primary sortas="b-systemd-cgls">systemd-cgls</primary>
|
|---|
| 439 | </indexterm>
|
|---|
| 440 | </listitem>
|
|---|
| 441 | </varlistentry>
|
|---|
| 442 |
|
|---|
| 443 | <varlistentry id="systemd-cgtop">
|
|---|
| 444 | <term><command>systemd-cgtop</command></term>
|
|---|
| 445 | <listitem>
|
|---|
| 446 | <para>Shows top control groups by resource usage</para>
|
|---|
| 447 | <indexterm zone="ch-system-systemd systemd-cgtop">
|
|---|
| 448 | <primary sortas="b-systemd-cgtop">systemd-cgtop</primary>
|
|---|
| 449 | </indexterm>
|
|---|
| 450 | </listitem>
|
|---|
| 451 | </varlistentry>
|
|---|
| 452 |
|
|---|
| 453 | <varlistentry id="systemd-coredumpctl">
|
|---|
| 454 | <term><command>systemd-coredumpctl</command></term>
|
|---|
| 455 | <listitem>
|
|---|
| 456 | <para>Retrieves coredumps from the journal</para>
|
|---|
| 457 | <indexterm zone="ch-system-systemd systemd-coredumpctl">
|
|---|
| 458 | <primary sortas="b-systemd-coredumpctl">systemd-coredumpctl</primary>
|
|---|
| 459 | </indexterm>
|
|---|
| 460 | </listitem>
|
|---|
| 461 | </varlistentry>
|
|---|
| 462 |
|
|---|
| 463 | <varlistentry id="systemd-delta">
|
|---|
| 464 | <term><command>systemd-delta</command></term>
|
|---|
| 465 | <listitem>
|
|---|
| 466 | <para>Finds overridden configuration files</para>
|
|---|
| 467 | <indexterm zone="ch-system-systemd systemd-delta">
|
|---|
| 468 | <primary sortas="b-systemd-delta">systemd-delta</primary>
|
|---|
| 469 | </indexterm>
|
|---|
| 470 | </listitem>
|
|---|
| 471 | </varlistentry>
|
|---|
| 472 |
|
|---|
| 473 | <varlistentry id="systemd-detect-virt">
|
|---|
| 474 | <term><command>systemd-detect-virt</command></term>
|
|---|
| 475 | <listitem>
|
|---|
| 476 | <para>Detects execution in a virtual environment</para>
|
|---|
| 477 | <indexterm zone="ch-system-systemd systemd-detect-virt">
|
|---|
| 478 | <primary sortas="b-systemd-detect-virt">systemd-detect-virt</primary>
|
|---|
| 479 | </indexterm>
|
|---|
| 480 | </listitem>
|
|---|
| 481 | </varlistentry>
|
|---|
| 482 |
|
|---|
| 483 | <varlistentry id="systemd-inhibit">
|
|---|
| 484 | <term><command>systemd-inhibit</command></term>
|
|---|
| 485 | <listitem>
|
|---|
| 486 | <para>Executes a program with an inhibition lock taken</para>
|
|---|
| 487 | <indexterm zone="ch-system-systemd systemd-inhibit">
|
|---|
| 488 | <primary sortas="b-systemd-inhibit">systemd-inhibit</primary>
|
|---|
| 489 | </indexterm>
|
|---|
| 490 | </listitem>
|
|---|
| 491 | </varlistentry>
|
|---|
| 492 |
|
|---|
| 493 | <varlistentry id="systemd-machine-id-setup">
|
|---|
| 494 | <term><command>systemd-machine-id-setup</command></term>
|
|---|
| 495 | <listitem>
|
|---|
| 496 | <para>Initializes the machine ID in
|
|---|
| 497 | <filename>/etc/machine-id</filename></para>
|
|---|
| 498 | <indexterm zone="ch-system-systemd systemd-machine-id-setup">
|
|---|
| 499 | <primary sortas="b-systemd-machine-id-setup">systemd-machine-id-setup</primary>
|
|---|
| 500 | </indexterm>
|
|---|
| 501 | </listitem>
|
|---|
| 502 | </varlistentry>
|
|---|
| 503 |
|
|---|
| 504 | <varlistentry id="systemd-notify">
|
|---|
| 505 | <term><command>systemd-notify</command></term>
|
|---|
| 506 | <listitem>
|
|---|
| 507 | <para>Notifies init system about start-up completion and other daemon
|
|---|
| 508 | status changes</para>
|
|---|
| 509 | <indexterm zone="ch-system-systemd systemd-notify">
|
|---|
| 510 | <primary sortas="b-systemd-notify">systemd-notify</primary>
|
|---|
| 511 | </indexterm>
|
|---|
| 512 | </listitem>
|
|---|
| 513 | </varlistentry>
|
|---|
| 514 |
|
|---|
| 515 | <varlistentry id="systemd-nspawn">
|
|---|
| 516 | <term><command>systemd-nspawn</command></term>
|
|---|
| 517 | <listitem>
|
|---|
| 518 | <para>Spawns a namespace container for debugging, testing, and
|
|---|
| 519 | building</para>
|
|---|
| 520 | <indexterm zone="ch-system-systemd systemd-nspawn">
|
|---|
| 521 | <primary sortas="b-systemd-nspawn">systemd-nspawn</primary>
|
|---|
| 522 | </indexterm>
|
|---|
| 523 | </listitem>
|
|---|
| 524 | </varlistentry>
|
|---|
| 525 |
|
|---|
| 526 | <varlistentry id="systemd-run">
|
|---|
| 527 | <term><command>systemd-run</command></term>
|
|---|
| 528 | <listitem>
|
|---|
| 529 | <para>Runs programs in transient scope or service units</para>
|
|---|
| 530 | <indexterm zone="ch-system-systemd systemd-run">
|
|---|
| 531 | <primary sortas="b-systemd-run">systemd-run</primary>
|
|---|
| 532 | </indexterm>
|
|---|
| 533 | </listitem>
|
|---|
| 534 | </varlistentry>
|
|---|
| 535 |
|
|---|
| 536 | <varlistentry id="systemd-stdio-bridge">
|
|---|
| 537 | <term><command>systemd-stdio-bridge</command></term>
|
|---|
| 538 | <listitem>
|
|---|
| 539 | <para>Connects stdio or a socket to a given bus address</para>
|
|---|
| 540 | <indexterm zone="ch-system-systemd systemd-stdio-bridge">
|
|---|
| 541 | <primary sortas="b-systemd-stdio-bridge">systemd-stdio-bridge</primary>
|
|---|
| 542 | </indexterm>
|
|---|
| 543 | </listitem>
|
|---|
| 544 | </varlistentry>
|
|---|
| 545 |
|
|---|
| 546 | <varlistentry id="systemd-tmpfiles">
|
|---|
| 547 | <term><command>systemd-tmpfiles</command></term>
|
|---|
| 548 | <listitem>
|
|---|
| 549 | <para>Creates, deletes, and cleans up volatile and temporary files</para>
|
|---|
| 550 | <indexterm zone="ch-system-systemd systemd-tmpfiles">
|
|---|
| 551 | <primary sortas="b-systemd-tmpfiles">systemd-tmpfiles</primary>
|
|---|
| 552 | </indexterm>
|
|---|
| 553 | </listitem>
|
|---|
| 554 | </varlistentry>
|
|---|
| 555 |
|
|---|
| 556 | <varlistentry id="systemd-tty-ask-password-agent">
|
|---|
| 557 | <term><command>systemd-tty-ask-password-agent</command></term>
|
|---|
| 558 | <listitem>
|
|---|
| 559 | <para>Process system password requests</para>
|
|---|
| 560 | <indexterm zone="ch-system-systemd systemd-tty-ask-password-agent">
|
|---|
| 561 | <primary sortas="b-systemd-tty-ask-password-agent">systemd-tty-ask-password-agent</primary>
|
|---|
| 562 | </indexterm>
|
|---|
| 563 | </listitem>
|
|---|
| 564 | </varlistentry>
|
|---|
| 565 |
|
|---|
| 566 | <varlistentry id="telinit">
|
|---|
| 567 | <term><command>telinit</command></term>
|
|---|
| 568 | <listitem>
|
|---|
| 569 | <para>Tells <command>init</command> which run-level to change to</para>
|
|---|
| 570 | <indexterm zone="ch-system-systemd telinit">
|
|---|
| 571 | <primary sortas="b-telinit">telinit</primary>
|
|---|
| 572 | </indexterm>
|
|---|
| 573 | </listitem>
|
|---|
| 574 | </varlistentry>
|
|---|
| 575 |
|
|---|
| 576 | <varlistentry id="timedatectl">
|
|---|
| 577 | <term><command>timedatectl</command></term>
|
|---|
| 578 | <listitem>
|
|---|
| 579 | <para>Controls the system time and date</para>
|
|---|
| 580 | <indexterm zone="ch-system-systemd timedatectl">
|
|---|
| 581 | <primary sortas="b-timedatectl">timedatectl</primary>
|
|---|
| 582 | </indexterm>
|
|---|
| 583 | </listitem>
|
|---|
| 584 | </varlistentry>
|
|---|
| 585 |
|
|---|
| 586 | <varlistentry id="udevadm">
|
|---|
| 587 | <term><command>udevadm</command></term>
|
|---|
| 588 | <listitem>
|
|---|
| 589 | <para>Udev management tool</para>
|
|---|
| 590 | <indexterm zone="ch-system-systemd udevadm">
|
|---|
| 591 | <primary sortas="b-udevadm">udevadm</primary>
|
|---|
| 592 | </indexterm>
|
|---|
| 593 | </listitem>
|
|---|
| 594 | </varlistentry>
|
|---|
| 595 |
|
|---|
| 596 | <varlistentry id="libnss_myhostname">
|
|---|
| 597 | <term><filename class="libraryfile">libnss_myhostname</filename></term>
|
|---|
| 598 | <listitem>
|
|---|
| 599 | <para>Plugin for the GNU Name Service Switch (NSS) functionality
|
|---|
| 600 | of Glibc, provding hostname resolution for the locally configured
|
|---|
| 601 | system hostname</para>
|
|---|
| 602 | <indexterm zone="ch-system-systemd libnss_myhostname">
|
|---|
| 603 | <primary sortas="c-libnss_myhostname">libnss_myhostname</primary>
|
|---|
| 604 | </indexterm>
|
|---|
| 605 | </listitem>
|
|---|
| 606 | </varlistentry>
|
|---|
| 607 |
|
|---|
| 608 | <varlistentry id="libsystemd">
|
|---|
| 609 | <term><filename class="libraryfile">libsystemd</filename></term>
|
|---|
| 610 | <listitem>
|
|---|
| 611 | <para>Support library for systemd</para>
|
|---|
| 612 | <indexterm zone="ch-system-systemd libsystemd">
|
|---|
| 613 | <primary sortas="c-libsystemd">libsystemd</primary>
|
|---|
| 614 | </indexterm>
|
|---|
| 615 | </listitem>
|
|---|
| 616 | </varlistentry>
|
|---|
| 617 |
|
|---|
| 618 | <varlistentry id="libudev">
|
|---|
| 619 | <term><filename class="libraryfile">libudev</filename></term>
|
|---|
| 620 | <listitem>
|
|---|
| 621 | <para>A library interface to Udev device information.</para>
|
|---|
| 622 | <indexterm zone="ch-system-systemd libudev">
|
|---|
| 623 | <primary sortas="c-libudev">libudev</primary>
|
|---|
| 624 | </indexterm>
|
|---|
| 625 | </listitem>
|
|---|
| 626 | </varlistentry>
|
|---|
| 627 |
|
|---|
| 628 | </variablelist>
|
|---|
| 629 |
|
|---|
| 630 | </sect2>
|
|---|
| 631 |
|
|---|
| 632 | </sect1>
|
|---|
