[f896e21c] | 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 |
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[35a5259] | 8 | <sect1 id="ch-system-systemd" role="wrap" revision="systemd">
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[cba2d4e] | 9 | <?dbhtml filename="systemd.html"?>
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[f896e21c] | 10 |
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| 11 | <sect1info condition="script">
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[cba2d4e] | 12 | <productname>systemd</productname>
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[f896e21c] | 13 | <productnumber>&systemd-version;</productnumber>
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| 14 | <address>&systemd-url;</address>
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| 15 | </sect1info>
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| 16 |
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[cba2d4e] | 17 | <title>Systemd-&systemd-version;</title>
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[f896e21c] | 18 |
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[cba2d4e] | 19 | <indexterm zone="ch-system-systemd">
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[1118b17] | 20 | <primary sortas="a-systemd">systemd</primary>
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[f896e21c] | 21 | </indexterm>
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| 22 |
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| 23 | <sect2 role="package">
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| 24 | <title/>
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| 25 |
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[1118b17] | 26 | <para>The systemd package contains programs for controlling the startup,
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[cba2d4e] | 27 | running, and shutdown of the system.</para>
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[f896e21c] | 28 |
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| 29 | <segmentedlist>
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| 30 | <segtitle>&buildtime;</segtitle>
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| 31 | <segtitle>&diskspace;</segtitle>
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| 32 |
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| 33 | <seglistitem>
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[6dfcfecc] | 34 | <seg>&systemd-fin-sbu;</seg>
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| 35 | <seg>&systemd-fin-du;</seg>
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[f896e21c] | 36 | </seglistitem>
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| 37 | </segmentedlist>
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| 38 | </sect2>
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| 39 |
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| 40 | <sect2 role="installation">
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[1118b17] | 41 | <title>Installation of systemd</title>
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[bc375da6] | 42 |
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[87119fd] | 43 | <para>Remove two unneeded groups,
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| 44 | <systemitem class="groupname">render</systemitem> and
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| 45 | <systemitem class="groupname">sgx</systemitem>, from the default udev
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[896e77e] | 46 | rules:</para>
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| 47 |
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[1f201845] | 48 | <screen><userinput remap="pre">sed -i -e 's/GROUP="render"/GROUP="video"/' \
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[96fa6f2] | 49 | -e 's/GROUP="sgx", //' rules.d/50-udev-default.rules.in</userinput></screen>
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[896e77e] | 50 |
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[1118b17] | 51 | <para>Prepare systemd for compilation:</para>
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| 52 |
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[be00729f] | 53 | <screen><userinput remap="configure">mkdir -p build
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[04b2165] | 54 | cd build
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[fc199db] | 55 |
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[95906db] | 56 | meson --prefix=/usr \
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[06cdaed] | 57 | --buildtype=release \
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[95906db] | 58 | -Ddefault-dnssec=no \
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| 59 | -Dfirstboot=false \
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| 60 | -Dinstall-tests=false \
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| 61 | -Dldconfig=false \
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| 62 | -Dsysusers=false \
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| 63 | -Drpmmacrosdir=no \
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| 64 | -Dhomed=false \
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| 65 | -Duserdb=false \
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[ceebda5] | 66 | -Dman=false \
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[38de42d] | 67 | -Dmode=release \
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[77e340bc] | 68 | -Dpamconfdir=no \
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[d7e0db5] | 69 | -Ddocdir=/usr/share/doc/systemd-&systemd-version; \
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[fc199db] | 70 | ..</userinput></screen>
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[cba2d4e] | 71 |
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| 72 | <variablelist>
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[81ed05f] | 73 | <title>The meaning of the meson options:</title>
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[cba2d4e] | 74 |
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[06cdaed] | 75 | <varlistentry>
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| 76 | <term><parameter>--buildtype=release</parameter></term>
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| 77 | <listitem>
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| 78 | <para>This switch overrides the default buildtype
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[69854d2a] | 79 | (<quote>debug</quote>), which produces unoptimized
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[06cdaed] | 80 | binaries.</para>
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| 81 | </listitem>
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| 82 | </varlistentry>
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| 83 |
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[cba2d4e] | 84 | <varlistentry>
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[81ed05f] | 85 | <term><parameter>-Ddefault-dnssec=no</parameter></term>
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[cba2d4e] | 86 | <listitem>
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[81ed05f] | 87 | <para>This switch turns off the experimental DNSSEC support.</para>
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[cba2d4e] | 88 | </listitem>
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| 89 | </varlistentry>
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| 90 |
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| 91 | <varlistentry>
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[81ed05f] | 92 | <term><parameter>-Dfirstboot=false</parameter></term>
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[cba2d4e] | 93 | <listitem>
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[81ed05f] | 94 | <para>This switch prevents installation of systemd
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| 95 | services responsible for setting up the system for
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[69854d2a] | 96 | the first time. These are not useful in LFS, because
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[81ed05f] | 97 | everything is done manually.</para>
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[cba2d4e] | 98 | </listitem>
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| 99 | </varlistentry>
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| 100 |
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[e88a471b] | 101 | <varlistentry>
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| 102 | <term><parameter>-Dinstall-tests=false</parameter></term>
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| 103 | <listitem>
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| 104 | <para>This switch prevents installation of the compiled tests.</para>
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| 105 | </listitem>
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| 106 | </varlistentry>
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| 107 |
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[cba2d4e] | 108 | <varlistentry>
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[0d84af1] | 109 | <term><parameter>-Dldconfig=false</parameter></term>
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[cba2d4e] | 110 | <listitem>
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[0d84af1] | 111 | <para>This switch prevents installation of a systemd unit that runs
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[69854d2a] | 112 | <command>ldconfig</command> at boot; this is not useful for source
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| 113 | distributions such as LFS, and makes the boot time longer. Remove
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| 114 | this option to enable running <command>ldconfig</command> at boot.</para>
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[cba2d4e] | 115 | </listitem>
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| 116 | </varlistentry>
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| 117 |
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[1118b17] | 118 | <varlistentry>
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[81ed05f] | 119 | <term><parameter>-Dsysusers=false</parameter></term>
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[1118b17] | 120 | <listitem>
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| 121 | <para>This switch prevents installation of systemd
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| 122 | services responsible for setting up the
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| 123 | <filename>/etc/group</filename> and
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| 124 | <filename>/etc/passwd</filename> files. Both files
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[f09dd59] | 125 | were created in the previous chapter. This daemon is not useful
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[0a75d62] | 126 | on an LFS system since user accounts are manually created.</para>
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[cba2d4e] | 127 | </listitem>
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| 128 | </varlistentry>
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| 129 |
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[be00729f] | 130 | <varlistentry>
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| 131 | <term><parameter>-Drpmmacrosdir=no</parameter></term>
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| 132 | <listitem>
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| 133 | <para>This switch disables installation of RPM Macros
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[69854d2a] | 134 | for use with systemd, because LFS does not support RPM.</para>
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[be00729f] | 135 | </listitem>
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| 136 | </varlistentry>
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[d1fbbd0] | 137 |
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| 138 | <varlistentry>
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| 139 | <term><parameter>-D{userdb,homed}=false</parameter></term>
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| 140 | <listitem>
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[69854d2a] | 141 | <para>Remove two daemons with dependencies that do not fit
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| 142 | within the scope of LFS.</para>
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[d1fbbd0] | 143 | </listitem>
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| 144 | </varlistentry>
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| 145 |
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[ceebda5] | 146 | <varlistentry>
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| 147 | <term><parameter>-Dman=false</parameter></term>
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| 148 | <listitem>
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| 149 | <para>Prevent the generation of man pages to avoid extra
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| 150 | dependencies. We will install pre-generated man pages for systemd
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[69854d2a] | 151 | from a tarball.</para>
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[ceebda5] | 152 | </listitem>
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| 153 | </varlistentry>
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| 154 |
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[38de42d] | 155 | <varlistentry>
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| 156 | <term><parameter>-Dmode=release</parameter></term>
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| 157 | <listitem>
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| 158 | <para>Disable some features considered experimental by upstream.
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| 159 | </para>
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| 160 | </listitem>
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| 161 | </varlistentry>
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| 162 |
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[77e340bc] | 163 | <varlistentry>
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| 164 | <term><parameter>-Dpamconfdir=no</parameter></term>
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| 165 | <listitem>
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| 166 | <para>Prevent the installation of a PAM configuration file not
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| 167 | functional on LFS.</para>
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| 168 | </listitem>
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| 169 | </varlistentry>
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[cba2d4e] | 170 | </variablelist>
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| 171 |
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| 172 | <para>Compile the package:</para>
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| 173 |
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[69c4524] | 174 | <screen><userinput remap="make">ninja</userinput></screen>
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[f896e21c] | 175 |
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| 176 | <para>Install the package:</para>
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| 177 |
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[69c4524] | 178 | <screen><userinput remap="install">ninja install</userinput></screen>
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[cba2d4e] | 179 |
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[ceebda5] | 180 | <para>Install the man pages:</para>
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[cba2d4e] | 181 |
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[b4008bb] | 182 | <!-- Please make sure systemd man pages tarball has a common leading
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| 183 | component in the path. -->
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| 184 | <screen><userinput remap="install">tar -xf ../../systemd-man-pages-&systemd-man-version;.tar.xz --strip-components=1 -C /usr/share/man</userinput></screen>
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[a5c2803] | 185 |
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[cba2d4e] | 186 | <para>Create the <filename>/etc/machine-id</filename> file needed by
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[1118b17] | 187 | <command>systemd-journald</command>:</para>
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[053b206] | 188 |
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[15f0f21] | 189 | <screen><userinput remap="adjust">systemd-machine-id-setup</userinput></screen>
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[cba2d4e] | 190 |
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[69854d2a] | 191 | <para>Set up the basic target structure:</para>
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[0aaf6a31] | 192 |
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| 193 | <screen><userinput remap="adjust">systemctl preset-all</userinput></screen>
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| 194 |
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[5156c400] | 195 | <para>Disable two services for upgrading binary distros. They are useless for
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[69854d2a] | 196 | a basic Linux system built from source, and each one will report an error if
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[f99a7eb] | 197 | it's enabled but not configured:</para>
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| 198 |
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[5156c400] | 199 | <screen><userinput remap="adjust">systemctl disable systemd-sysupdate{,-reboot}</userinput></screen>
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[172185a9] | 200 |
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[a5c2803] | 201 | <!-- dev: 50-pid-max.conf is not removed in BLFS, so I commented the following out.
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| 202 | If it causes any trouble, we can add this back and also copy it into BLFS -->
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| 203 | <!--
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[0aaf6a31] | 204 | <para>Prevent systemd from resetting the maximum PID value which causes
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| 205 | some problems with packages and units in BLFS:</para>
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[d672ab7] | 206 |
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[d1fbbd0] | 207 | <screen><userinput remap="adjust">rm -f /usr/lib/sysctl.d/50-pid-max.conf</userinput></screen>
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[a5c2803] | 208 | -->
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[0aaf6a31] | 209 |
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[f896e21c] | 210 | </sect2>
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| 211 |
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[6dfcfecc] | 212 | <!-- - - - - - - - - - -->
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| 213 | <!-- Multilib - 32bit -->
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| 214 | <!-- - - - - - - - - - -->
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| 215 |
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[fd48baa] | 216 | <sect2 arch="ml_32,ml_all" role="installation">
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[b3f1ebb3] | 217 | <title>Installation of systemd - 32-bit</title>
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| 218 |
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| 219 | <para>Clean previous build:</para>
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| 220 |
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[6dfcfecc] | 221 | <screen><userinput remap="pre">rm -rf *</userinput></screen>
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[b3f1ebb3] | 222 |
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| 223 | <para>Create a symlink to work around missing xsltproc:</para>
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| 224 |
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[6dfcfecc] | 225 | <!-- screen><userinput remap="pre">ln -sf /tools/bin/true /usr/bin/xsltproc</userinput></screen -->
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| 226 | <screen><userinput remap="pre">ln -sf /bin/true /usr/bin/xsltproc</userinput></screen>
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[b3f1ebb3] | 227 |
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[6dfcfecc] | 228 | <!-- with cross-LFS we have util-linux in place:
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[b3f1ebb3] | 229 | <para>Because we have not yet installed the final version of Util-Linux,
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| 230 | create links to the libraries in the approprite location:</para>
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| 231 |
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| 232 | <screen><userinput remap="pre">for file in /tools/lib32/lib{blkid,mount,uuid}*; do
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| 233 | ln -sf $file /usr/lib32/
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| 234 | done</userinput></screen>
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[6dfcfecc] | 235 | -->
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[b3f1ebb3] | 236 |
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| 237 | <para>Prepare systemd for compilation:</para>
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| 238 |
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[0ebda11] | 239 | <screen><userinput remap="configure">PKG_CONFIG_PATH="/usr/lib32/pkgconfig" \
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[b3f1ebb3] | 240 | CC="gcc -m32 -march=i686" \
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| 241 | CXX="g++ -m32 -march=i686" \
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| 242 | LANG=en_US.UTF-8 \
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| 243 | meson --prefix=/usr \
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| 244 | --sysconfdir=/etc \
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| 245 | --localstatedir=/var \
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[0f46bd2] | 246 | --libdir=/usr/lib32 \
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[0ebda11] | 247 | -Drootlibdir=/usr/lib32 \
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[3c2b819] | 248 | -Dblkid=true \
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| 249 | -Ddefault-dnssec=no \
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| 250 | -Dfirstboot=false \
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| 251 | -Dinstall-tests=false \
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| 252 | -Dldconfig=false \
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| 253 | -Dsysusers=false \
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| 254 | -Db_lto=false \
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| 255 | -Drpmmacrosdir=no \
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| 256 | -Dhomed=false \
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| 257 | -Duserdb=false \
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| 258 | -Dman=false \
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| 259 | -Dmode=release \
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[b3f1ebb3] | 260 | ..</userinput></screen>
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| 261 |
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| 262 | <para>Compile the package:</para>
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| 263 |
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| 264 | <screen><userinput remap="make">LANG=en_US.UTF-8 ninja</userinput></screen>
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| 265 |
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| 266 | <para>Install the package:</para>
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| 267 |
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| 268 | <screen><userinput remap="install">LANG=en_US.UTF-8 DESTDIR=$PWD/DESTDIR ninja install
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[0ebda11] | 269 | cp -Rv DESTDIR/usr/lib32/* /usr/lib32
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[b3f1ebb3] | 270 | rm -rf DESTDIR
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| 271 | rm -f /usr/bin/xsltproc</userinput></screen>
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| 272 |
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[6dfcfecc] | 273 | </sect2><!-- m32 -->
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[b3f1ebb3] | 274 |
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[6dfcfecc] | 275 | <!-- - - - - - - - - - -->
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| 276 | <!-- Multilib - x32bit -->
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| 277 | <!-- - - - - - - - - - -->
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| 278 |
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[fd48baa] | 279 | <sect2 arch="ml_x32,ml_all" role="installation">
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[b3f1ebb3] | 280 | <title>Installation of systemd - x32-bit</title>
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| 281 |
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| 282 | <para>Clean previous build:</para>
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| 283 |
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[6dfcfecc] | 284 | <screen><userinput remap="pre">rm -rf *</userinput></screen>
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[b3f1ebb3] | 285 |
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| 286 | <para>Create a symlink to work around missing xsltproc:</para>
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| 287 |
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[6dfcfecc] | 288 | <screen><userinput remap="pre">ln -sf /bin/true /usr/bin/xsltproc</userinput></screen>
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[3c2b819] | 289 | <!--
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[b3f1ebb3] | 290 | <para>Fix an issue on x32:</para>
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| 291 |
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| 292 | <screen><userinput remap="pre">sed '/log_debug/s@PRI_TIMEX@PRIi64@' -i src/timesync/timesyncd-manager.c
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| 293 | sed '/long drift_freq;/s@long @int64_t @' -i src/timesync/timesyncd-manager.h</userinput></screen>
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[3c2b819] | 294 | -->
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[b3f1ebb3] | 295 | <para>Prepare systemd for compilation:</para>
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| 296 |
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[0ebda11] | 297 | <screen><userinput remap="configure">PKG_CONFIG_PATH="/usr/libx32/pkgconfig" \
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[b3f1ebb3] | 298 | CC="gcc -mx32" \
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| 299 | CXX="g++ -mx32" \
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| 300 | CFLAGS+="-Wno-error=shift-overflow" \
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| 301 | CXXFLAGS+="-Wno-error=shift-overflow" \
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| 302 | LANG=en_US.UTF-8 \
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| 303 | meson --prefix=/usr \
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| 304 | --sysconfdir=/etc \
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| 305 | --localstatedir=/var \
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[0f46bd2] | 306 | --libdir=/usr/libx32 \
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[0ebda11] | 307 | -Drootlibdir=/usr/libx32 \
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[3c2b819] | 308 | -Dblkid=true \
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| 309 | -Ddefault-dnssec=no \
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| 310 | -Dfirstboot=false \
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| 311 | -Dinstall-tests=false \
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| 312 | -Dldconfig=false \
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| 313 | -Dsysusers=false \
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| 314 | -Db_lto=false \
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| 315 | -Drpmmacrosdir=no \
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| 316 | -Dhomed=false \
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| 317 | -Duserdb=false \
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| 318 | -Dman=false \
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| 319 | -Dmode=release \
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[b3f1ebb3] | 320 | ..</userinput></screen>
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| 321 |
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| 322 | <para>Compile the package:</para>
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| 323 |
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| 324 | <screen><userinput remap="make">LANG=en_US.UTF-8 ninja</userinput></screen>
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| 325 |
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| 326 | <para>Install the package:</para>
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| 327 |
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| 328 | <screen><userinput remap="install">LANG=en_US.UTF-8 DESTDIR=$PWD/DESTDIR ninja install
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[3c2b819] | 329 | cp -Rv DESTDIR/usr/libx32/* /usr/libx32
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[b3f1ebb3] | 330 | rm -rf DESTDIR
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| 331 | rm -f /usr/bin/xsltproc</userinput></screen>
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| 332 |
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[6dfcfecc] | 333 | </sect2><!-- mx32 -->
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[b3f1ebb3] | 334 |
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[cba2d4e] | 335 | <sect2 id="contents-systemd" role="content">
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[1118b17] | 336 | <title>Contents of systemd</title>
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[f896e21c] | 337 |
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| 338 | <segmentedlist>
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| 339 | <segtitle>Installed programs</segtitle>
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| 340 | <segtitle>Installed libraries</segtitle>
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| 341 | <segtitle>Installed directories</segtitle>
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| 342 |
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| 343 | <seglistitem>
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[662f649] | 344 | <seg>busctl, coredumpctl, halt (symlink to systemctl),
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[78cc3be] | 345 | hostnamectl, init, journalctl, kernel-install, localectl, loginctl,
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[d7a9421] | 346 | machinectl, networkctl, oomctl, portablectl, poweroff (symlink to
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[78cc3be] | 347 | systemctl), reboot (symlink to systemctl), resolvconf (symlink to
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| 348 | resolvectl), resolvectl, runlevel (symlink to systemctl), shutdown
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[2efe1e8] | 349 | (symlink to systemctl), systemctl, systemd-ac-power, systemd-analyze,
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[1118b17] | 350 | systemd-ask-password, systemd-cat, systemd-cgls, systemd-cgtop,
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[662f649] | 351 | systemd-creds, systemd-delta, systemd-detect-virt,
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[d7a9421] | 352 | systemd-dissect, systemd-escape, systemd-hwdb, systemd-id128,
|
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| 353 | systemd-inhibit, systemd-machine-id-setup,
|
---|
[78cc3be] | 354 | systemd-mount, systemd-notify, systemd-nspawn, systemd-path,
|
---|
[d1fbbd0] | 355 | systemd-repart, systemd-resolve (symlink to resolvectl), systemd-run,
|
---|
[d7a9421] | 356 | systemd-socket-activate, systemd-stdio-bridge, systemd-sysext,
|
---|
| 357 | systemd-tmpfiles, systemd-tty-ask-password-agent,
|
---|
| 358 | systemd-umount (symlink to systemd-mount),
|
---|
| 359 | telinit (symlink to systemctl), timedatectl, and udevadm</seg>
|
---|
[1118b17] | 360 | <seg>libnss_myhostname.so.2, libnss_mymachines.so.2,
|
---|
[78cc3be] | 361 | libnss_resolve.so.2, libnss_systemd.so.2,
|
---|
[d7a9421] | 362 | libsystemd.so, libsystemd-shared-&systemd-version;.so (in /usr/lib/systemd),
|
---|
[a840e59] | 363 | and libudev.so</seg>
|
---|
[59d90df] | 364 | <seg>/etc/binfmt.d, /etc/init.d, /etc/kernel, /etc/modules-load.d,
|
---|
[cba2d4e] | 365 | /etc/sysctl.d, /etc/systemd, /etc/tmpfiles.d, /etc/udev,
|
---|
[d7a9421] | 366 | /etc/xdg/systemd, /usr/lib/systemd, /usr/lib/udev, /usr/include/systemd,
|
---|
[d672ab7] | 367 | /usr/lib/binfmt.d, /usr/lib/environment.d, /usr/lib/kernel,
|
---|
| 368 | /usr/lib/modules-load.d, /usr/lib/sysctl.d, /usr/lib/systemd,
|
---|
[4ea78e0] | 369 | /usr/lib/tmpfiles.d,
|
---|
[1118b17] | 370 | /usr/share/doc/systemd-&systemd-version;, /usr/share/factory,
|
---|
| 371 | /usr/share/systemd, /var/lib/systemd, and /var/log/journal</seg>
|
---|
[f896e21c] | 372 | </seglistitem>
|
---|
| 373 | </segmentedlist>
|
---|
| 374 |
|
---|
| 375 | <variablelist>
|
---|
| 376 | <bridgehead renderas="sect3">Short Descriptions</bridgehead>
|
---|
| 377 | <?dbfo list-presentation="list"?>
|
---|
| 378 | <?dbhtml list-presentation="table"?>
|
---|
| 379 |
|
---|
[cba2d4e] | 380 | <varlistentry id="busctl">
|
---|
| 381 | <term><command>busctl</command></term>
|
---|
| 382 | <listitem>
|
---|
[6dfcfecc] | 383 | <para>Is used to introspect and monitor the D-Bus bus</para>
|
---|
[cba2d4e] | 384 | <indexterm zone="ch-system-systemd busctl">
|
---|
| 385 | <primary sortas="b-busctl">busctl</primary>
|
---|
| 386 | </indexterm>
|
---|
| 387 | </listitem>
|
---|
| 388 | </varlistentry>
|
---|
| 389 |
|
---|
[1118b17] | 390 | <varlistentry id="coredumpctl">
|
---|
| 391 | <term><command>coredumpctl</command></term>
|
---|
| 392 | <listitem>
|
---|
[6dfcfecc] | 393 | <para>Is used to retrieve coredumps from the systemd journal</para>
|
---|
[1118b17] | 394 | <indexterm zone="ch-system-systemd coredumpctl">
|
---|
| 395 | <primary sortas="b-coredumpctl">coredumpctl</primary>
|
---|
| 396 | </indexterm>
|
---|
| 397 | </listitem>
|
---|
| 398 | </varlistentry>
|
---|
| 399 |
|
---|
[cba2d4e] | 400 | <varlistentry id="halt">
|
---|
| 401 | <term><command>halt</command></term>
|
---|
| 402 | <listitem>
|
---|
| 403 | <para>Normally invokes <command>shutdown</command> with the
|
---|
| 404 | <parameter>-h</parameter> option, except when already in run-level 0,
|
---|
[69854d2a] | 405 | when it tells the kernel to halt the system; it notes in the
|
---|
[cba2d4e] | 406 | file <filename>/var/log/wtmp</filename> that the system is being
|
---|
[1118b17] | 407 | brought down</para>
|
---|
[cba2d4e] | 408 | <indexterm zone="ch-system-systemd halt">
|
---|
| 409 | <primary sortas="b-halt">halt</primary>
|
---|
| 410 | </indexterm>
|
---|
| 411 | </listitem>
|
---|
| 412 | </varlistentry>
|
---|
| 413 |
|
---|
| 414 | <varlistentry id="hostnamectl">
|
---|
| 415 | <term><command>hostnamectl</command></term>
|
---|
| 416 | <listitem>
|
---|
[6dfcfecc] | 417 | <para>Is used to query and change the system hostname and related
|
---|
[1118b17] | 418 | settings</para>
|
---|
[cba2d4e] | 419 | <indexterm zone="ch-system-systemd hostnamectl">
|
---|
| 420 | <primary sortas="b-hostnamectl">hostnamectl</primary>
|
---|
| 421 | </indexterm>
|
---|
| 422 | </listitem>
|
---|
| 423 | </varlistentry>
|
---|
| 424 |
|
---|
| 425 | <varlistentry id="init">
|
---|
| 426 | <term><command>init</command></term>
|
---|
| 427 | <listitem>
|
---|
[69854d2a] | 428 | <para>Is the first process to be started after the kernel has initialized
|
---|
| 429 | the hardware; <command>init</command> takes over the boot process and starts the
|
---|
| 430 | processes specified by its configuration files; in this case, it starts
|
---|
[4c8c128] | 431 | systemd</para>
|
---|
[cba2d4e] | 432 | <indexterm zone="ch-system-systemd init">
|
---|
| 433 | <primary sortas="b-init">init</primary>
|
---|
| 434 | </indexterm>
|
---|
| 435 | </listitem>
|
---|
| 436 | </varlistentry>
|
---|
| 437 |
|
---|
| 438 | <varlistentry id="journalctl">
|
---|
| 439 | <term><command>journalctl</command></term>
|
---|
| 440 | <listitem>
|
---|
[6dfcfecc] | 441 | <para>Is used to query the contents of the systemd journal</para>
|
---|
[cba2d4e] | 442 | <indexterm zone="ch-system-systemd journalctl">
|
---|
| 443 | <primary sortas="b-journalctl">journalctl</primary>
|
---|
| 444 | </indexterm>
|
---|
| 445 | </listitem>
|
---|
| 446 | </varlistentry>
|
---|
| 447 |
|
---|
| 448 | <varlistentry id="kernel-install">
|
---|
| 449 | <term><command>kernel-install</command></term>
|
---|
| 450 | <listitem>
|
---|
[6dfcfecc] | 451 | <para>Is used to add and remove kernel and initramfs images to and
|
---|
[69854d2a] | 452 | from /boot; in LFS, this is done manually</para>
|
---|
[cba2d4e] | 453 | <indexterm zone="ch-system-systemd kernel-install">
|
---|
| 454 | <primary sortas="b-kernel-install">kernel-install</primary>
|
---|
| 455 | </indexterm>
|
---|
| 456 | </listitem>
|
---|
| 457 | </varlistentry>
|
---|
| 458 |
|
---|
| 459 | <varlistentry id="localectl">
|
---|
| 460 | <term><command>localectl</command></term>
|
---|
| 461 | <listitem>
|
---|
[6dfcfecc] | 462 | <para>Is used to query and change the system locale and keyboard layout
|
---|
[1118b17] | 463 | settings</para>
|
---|
[cba2d4e] | 464 | <indexterm zone="ch-system-systemd localectl">
|
---|
| 465 | <primary sortas="b-localectl">localectl</primary>
|
---|
| 466 | </indexterm>
|
---|
| 467 | </listitem>
|
---|
| 468 | </varlistentry>
|
---|
| 469 |
|
---|
| 470 | <varlistentry id="loginctl">
|
---|
| 471 | <term><command>loginctl</command></term>
|
---|
| 472 | <listitem>
|
---|
[6dfcfecc] | 473 | <para>Is used to introspect and control the state of the systemd Login
|
---|
[1118b17] | 474 | Manager</para>
|
---|
[cba2d4e] | 475 | <indexterm zone="ch-system-systemd loginctl">
|
---|
| 476 | <primary sortas="b-loginctl">loginctl</primary>
|
---|
| 477 | </indexterm>
|
---|
| 478 | </listitem>
|
---|
| 479 | </varlistentry>
|
---|
| 480 |
|
---|
| 481 | <varlistentry id="machinectl">
|
---|
| 482 | <term><command>machinectl</command></term>
|
---|
| 483 | <listitem>
|
---|
[6dfcfecc] | 484 | <para>Is used to introspect and control the state of the systemd Virtual
|
---|
[cba2d4e] | 485 | Machine and Container Registration Manager</para>
|
---|
| 486 | <indexterm zone="ch-system-systemd machinectl">
|
---|
| 487 | <primary sortas="b-machinectl">machinectl</primary>
|
---|
| 488 | </indexterm>
|
---|
| 489 | </listitem>
|
---|
| 490 | </varlistentry>
|
---|
| 491 |
|
---|
[1118b17] | 492 | <varlistentry id="networkctl">
|
---|
| 493 | <term><command>networkctl</command></term>
|
---|
| 494 | <listitem>
|
---|
[d672ab7] | 495 | <para>Is used to introspect and configure the state of the network
|
---|
[6dfcfecc] | 496 | links configured by systemd-networkd</para>
|
---|
[1118b17] | 497 | <indexterm zone="ch-system-systemd networkctl">
|
---|
| 498 | <primary sortas="b-networkctl">networkctl</primary>
|
---|
| 499 | </indexterm>
|
---|
| 500 | </listitem>
|
---|
| 501 | </varlistentry>
|
---|
| 502 |
|
---|
[d7a9421] | 503 | <varlistentry id="oomctl">
|
---|
| 504 | <term><command>oomctl</command></term>
|
---|
| 505 | <listitem>
|
---|
| 506 | <para>Controls the systemd Out Of Memory daemon</para>
|
---|
| 507 | <indexterm zone="ch-system-systemd oomctl">
|
---|
| 508 | <primary sortas="b-oomctl">oomctl</primary>
|
---|
| 509 | </indexterm>
|
---|
| 510 | </listitem>
|
---|
| 511 | </varlistentry>
|
---|
| 512 |
|
---|
[78cc3be] | 513 | <varlistentry id="portablectl">
|
---|
| 514 | <term><command>portablectl</command></term>
|
---|
| 515 | <listitem>
|
---|
[6dfcfecc] | 516 | <para>Is used to attach or detach portable services from the local
|
---|
[78cc3be] | 517 | system</para>
|
---|
| 518 | <indexterm zone="ch-system-systemd portablectl">
|
---|
| 519 | <primary sortas="b-portablectl">portablectl</primary>
|
---|
| 520 | </indexterm>
|
---|
| 521 | </listitem>
|
---|
| 522 | </varlistentry>
|
---|
| 523 |
|
---|
[cba2d4e] | 524 | <varlistentry id="poweroff">
|
---|
| 525 | <term><command>poweroff</command></term>
|
---|
| 526 | <listitem>
|
---|
[6dfcfecc] | 527 | <para>Instructs the kernel to halt the system and switch off the computer
|
---|
[1118b17] | 528 | (see <command>halt</command>)</para>
|
---|
[cba2d4e] | 529 | <indexterm zone="ch-system-systemd poweroff">
|
---|
| 530 | <primary sortas="b-poweroff">poweroff</primary>
|
---|
| 531 | </indexterm>
|
---|
| 532 | </listitem>
|
---|
| 533 | </varlistentry>
|
---|
| 534 |
|
---|
| 535 | <varlistentry id="reboot">
|
---|
| 536 | <term><command>reboot</command></term>
|
---|
[f896e21c] | 537 | <listitem>
|
---|
[6dfcfecc] | 538 | <para>Instructs the kernel to reboot the system (see
|
---|
[1118b17] | 539 | <command>halt</command>)</para>
|
---|
[cba2d4e] | 540 | <indexterm zone="ch-system-systemd reboot">
|
---|
| 541 | <primary sortas="b-reboot">reboot</primary>
|
---|
[f896e21c] | 542 | </indexterm>
|
---|
| 543 | </listitem>
|
---|
| 544 | </varlistentry>
|
---|
| 545 |
|
---|
[78cc3be] | 546 | <varlistentry id="resolvconf">
|
---|
| 547 | <term><command>resolvconf</command></term>
|
---|
| 548 | <listitem>
|
---|
[6dfcfecc] | 549 | <para>Registers DNS server and domain configuration with
|
---|
[93058448] | 550 | <command>systemd-resolved</command></para>
|
---|
[78cc3be] | 551 | <indexterm zone="ch-system-systemd resolvconf">
|
---|
| 552 | <primary sortas="b-resolvconf">resolvconf</primary>
|
---|
| 553 | </indexterm>
|
---|
| 554 | </listitem>
|
---|
| 555 | </varlistentry>
|
---|
| 556 |
|
---|
| 557 | <varlistentry id="resolvectl">
|
---|
| 558 | <term><command>resolvectl</command></term>
|
---|
| 559 | <listitem>
|
---|
[6dfcfecc] | 560 | <para>Sends control commands to the network name resolution
|
---|
| 561 | manager, or resolves domain names, IPv4 and IPv6 addresses,
|
---|
[4c8c128] | 562 | DNS records, and services</para>
|
---|
[78cc3be] | 563 | <indexterm zone="ch-system-systemd resolvectl">
|
---|
| 564 | <primary sortas="b-resolvectl">resolvectl</primary>
|
---|
| 565 | </indexterm>
|
---|
| 566 | </listitem>
|
---|
| 567 | </varlistentry>
|
---|
| 568 |
|
---|
[cba2d4e] | 569 | <varlistentry id="runlevel">
|
---|
| 570 | <term><command>runlevel</command></term>
|
---|
[f896e21c] | 571 | <listitem>
|
---|
[6dfcfecc] | 572 | <para>Outputs the previous and the current run-level, as noted in the
|
---|
[edd83dc] | 573 | last run-level record in <filename>/run/utmp</filename></para>
|
---|
[cba2d4e] | 574 | <indexterm zone="ch-system-systemd runlevel">
|
---|
| 575 | <primary sortas="b-runlevel">runlevel</primary>
|
---|
[f896e21c] | 576 | </indexterm>
|
---|
| 577 | </listitem>
|
---|
| 578 | </varlistentry>
|
---|
| 579 |
|
---|
[cba2d4e] | 580 | <varlistentry id="shutdown">
|
---|
| 581 | <term><command>shutdown</command></term>
|
---|
[f896e21c] | 582 | <listitem>
|
---|
[d672ab7] | 583 | <para>Brings the system down in a safe and secure manner, signaling
|
---|
[6dfcfecc] | 584 | all processes and notifying all logged-in users</para>
|
---|
[cba2d4e] | 585 | <indexterm zone="ch-system-systemd shutdown">
|
---|
| 586 | <primary sortas="b-shutdown">shutdown</primary>
|
---|
[f896e21c] | 587 | </indexterm>
|
---|
| 588 | </listitem>
|
---|
| 589 | </varlistentry>
|
---|
| 590 |
|
---|
[cba2d4e] | 591 | <varlistentry id="systemctl">
|
---|
| 592 | <term><command>systemctl</command></term>
|
---|
[f896e21c] | 593 | <listitem>
|
---|
[6dfcfecc] | 594 | <para>Is used to introspect and control the state of the systemd system
|
---|
[1118b17] | 595 | and service manager</para>
|
---|
[cba2d4e] | 596 | <indexterm zone="ch-system-systemd systemctl">
|
---|
| 597 | <primary sortas="b-systemctl">systemctl</primary>
|
---|
| 598 | </indexterm>
|
---|
| 599 | </listitem>
|
---|
| 600 | </varlistentry>
|
---|
| 601 |
|
---|
[2efe1e8] | 602 | <varlistentry id="systemd-ac-power">
|
---|
| 603 | <term><command>systemd-ac-power</command></term>
|
---|
| 604 | <listitem>
|
---|
| 605 | <para>Reports whether the system is connected to an external
|
---|
| 606 | power source.</para>
|
---|
| 607 | <indexterm zone="ch-system-systemd systemd-ac-power">
|
---|
| 608 | <primary sortas="b-systemd-ac-power">systemd-ac-power</primary>
|
---|
| 609 | </indexterm>
|
---|
| 610 | </listitem>
|
---|
| 611 | </varlistentry>
|
---|
| 612 |
|
---|
[cba2d4e] | 613 | <varlistentry id="systemd-analyze">
|
---|
| 614 | <term><command>systemd-analyze</command></term>
|
---|
| 615 | <listitem>
|
---|
[69854d2a] | 616 | <para>Is used to analyze system startup performance,
|
---|
| 617 | as well as identify troublesome systemd units</para>
|
---|
[cba2d4e] | 618 | <indexterm zone="ch-system-systemd systemd-analyze">
|
---|
| 619 | <primary sortas="b-systemd-analyze">systemd-analyze</primary>
|
---|
| 620 | </indexterm>
|
---|
| 621 | </listitem>
|
---|
| 622 | </varlistentry>
|
---|
| 623 |
|
---|
| 624 | <varlistentry id="systemd-ask-password">
|
---|
| 625 | <term><command>systemd-ask-password</command></term>
|
---|
| 626 | <listitem>
|
---|
[6dfcfecc] | 627 | <para>Is used to query a system password or passphrase from the user,
|
---|
[69854d2a] | 628 | using a message specified on the Linux command line</para>
|
---|
[cba2d4e] | 629 | <indexterm zone="ch-system-systemd systemd-ask-password">
|
---|
| 630 | <primary sortas="b-systemd-ask-password">systemd-ask-password</primary>
|
---|
| 631 | </indexterm>
|
---|
| 632 | </listitem>
|
---|
| 633 | </varlistentry>
|
---|
| 634 |
|
---|
| 635 | <varlistentry id="systemd-cat">
|
---|
| 636 | <term><command>systemd-cat</command></term>
|
---|
| 637 | <listitem>
|
---|
[6dfcfecc] | 638 | <para>Is used to connect the STDOUT and STDERR outputs of a process
|
---|
[4c8c128] | 639 | with the systemd journal
|
---|
[cba2d4e] | 640 | </para>
|
---|
| 641 | <indexterm zone="ch-system-systemd systemd-cat">
|
---|
| 642 | <primary sortas="b-systemd-cat">systemd-cat</primary>
|
---|
| 643 | </indexterm>
|
---|
| 644 | </listitem>
|
---|
| 645 | </varlistentry>
|
---|
| 646 |
|
---|
| 647 | <varlistentry id="systemd-cgls">
|
---|
| 648 | <term><command>systemd-cgls</command></term>
|
---|
| 649 | <listitem>
|
---|
[1118b17] | 650 | <para>Recursively shows the contents of the selected Linux control
|
---|
| 651 | group hierarchy in a tree</para>
|
---|
[cba2d4e] | 652 | <indexterm zone="ch-system-systemd systemd-cgls">
|
---|
| 653 | <primary sortas="b-systemd-cgls">systemd-cgls</primary>
|
---|
| 654 | </indexterm>
|
---|
| 655 | </listitem>
|
---|
| 656 | </varlistentry>
|
---|
| 657 |
|
---|
| 658 | <varlistentry id="systemd-cgtop">
|
---|
| 659 | <term><command>systemd-cgtop</command></term>
|
---|
| 660 | <listitem>
|
---|
[1118b17] | 661 | <para>Shows the top control groups of the local Linux control group
|
---|
[69854d2a] | 662 | hierarchy, ordered by their CPU, memory and disk I/O loads</para>
|
---|
[cba2d4e] | 663 | <indexterm zone="ch-system-systemd systemd-cgtop">
|
---|
| 664 | <primary sortas="b-systemd-cgtop">systemd-cgtop</primary>
|
---|
| 665 | </indexterm>
|
---|
| 666 | </listitem>
|
---|
| 667 | </varlistentry>
|
---|
| 668 |
|
---|
[662f649] | 669 | <varlistentry id="systemd-creds">
|
---|
| 670 | <term><command>systemd-creds</command></term>
|
---|
[d7a9421] | 671 | <listitem>
|
---|
[9f0a642] | 672 | <para>Displays and processes credentials</para>
|
---|
[662f649] | 673 | <indexterm zone="ch-system-systemd systemd-creds">
|
---|
| 674 | <primary sortas="b-systemd-creds">systemd-creds</primary>
|
---|
[d7a9421] | 675 | </indexterm>
|
---|
| 676 | </listitem>
|
---|
| 677 | </varlistentry>
|
---|
| 678 |
|
---|
[cba2d4e] | 679 | <varlistentry id="systemd-delta">
|
---|
| 680 | <term><command>systemd-delta</command></term>
|
---|
| 681 | <listitem>
|
---|
[6dfcfecc] | 682 | <para>Is used to identify and compare configuration files in
|
---|
[69854d2a] | 683 | <filename class="directory">/etc</filename> that override the defaults
|
---|
| 684 | in <filename class="directory">/usr</filename></para>
|
---|
[cba2d4e] | 685 | <indexterm zone="ch-system-systemd systemd-delta">
|
---|
| 686 | <primary sortas="b-systemd-delta">systemd-delta</primary>
|
---|
| 687 | </indexterm>
|
---|
| 688 | </listitem>
|
---|
| 689 | </varlistentry>
|
---|
| 690 |
|
---|
| 691 | <varlistentry id="systemd-detect-virt">
|
---|
| 692 | <term><command>systemd-detect-virt</command></term>
|
---|
| 693 | <listitem>
|
---|
[6dfcfecc] | 694 | <para>Detects whether the system is being run in a virtual
|
---|
[4c8c128] | 695 | environment, and adjusts udev accordingly</para>
|
---|
[cba2d4e] | 696 | <indexterm zone="ch-system-systemd systemd-detect-virt">
|
---|
| 697 | <primary sortas="b-systemd-detect-virt">systemd-detect-virt</primary>
|
---|
| 698 | </indexterm>
|
---|
| 699 | </listitem>
|
---|
| 700 | </varlistentry>
|
---|
| 701 |
|
---|
[38de42d] | 702 | <varlistentry id="systemd-dissect">
|
---|
| 703 | <term><command>systemd-dissect</command></term>
|
---|
| 704 | <listitem>
|
---|
[4c8c128] | 705 | <para>Is used to inspect OS disk images</para>
|
---|
[38de42d] | 706 | <indexterm zone="ch-system-systemd systemd-dissect">
|
---|
| 707 | <primary sortas="b-systemd-dissect">systemd-dissect</primary>
|
---|
| 708 | </indexterm>
|
---|
| 709 | </listitem>
|
---|
| 710 | </varlistentry>
|
---|
| 711 |
|
---|
[1118b17] | 712 | <varlistentry id="systemd-escape">
|
---|
| 713 | <term><command>systemd-escape</command></term>
|
---|
| 714 | <listitem>
|
---|
[6dfcfecc] | 715 | <para>Is used to escape strings for inclusion in systemd unit
|
---|
[1118b17] | 716 | names</para>
|
---|
| 717 | <indexterm zone="ch-system-systemd systemd-escape">
|
---|
| 718 | <primary sortas="b-systemd-escape">systemd-escape</primary>
|
---|
| 719 | </indexterm>
|
---|
| 720 | </listitem>
|
---|
| 721 | </varlistentry>
|
---|
| 722 |
|
---|
| 723 | <varlistentry id="systemd-hwdb">
|
---|
| 724 | <term><command>systemd-hwdb</command></term>
|
---|
| 725 | <listitem>
|
---|
[6dfcfecc] | 726 | <para>Is used to manage the hardware database (hwdb)</para>
|
---|
[1118b17] | 727 | <indexterm zone="ch-system-systemd systemd-hwdb">
|
---|
| 728 | <primary sortas="b-systemd-hwdb">systemd-hwdb</primary>
|
---|
| 729 | </indexterm>
|
---|
| 730 | </listitem>
|
---|
| 731 | </varlistentry>
|
---|
| 732 |
|
---|
[78cc3be] | 733 | <varlistentry id="systemd-id128">
|
---|
| 734 | <term><command>systemd-id128</command></term>
|
---|
| 735 | <listitem>
|
---|
[69854d2a] | 736 | <para>Generates and prints id128 (UUID) strings</para>
|
---|
[78cc3be] | 737 | <indexterm zone="ch-system-systemd systemd-id128">
|
---|
| 738 | <primary sortas="b-systemd-id128">systemd-id128</primary>
|
---|
| 739 | </indexterm>
|
---|
| 740 | </listitem>
|
---|
| 741 | </varlistentry>
|
---|
| 742 |
|
---|
[cba2d4e] | 743 | <varlistentry id="systemd-inhibit">
|
---|
| 744 | <term><command>systemd-inhibit</command></term>
|
---|
| 745 | <listitem>
|
---|
[6dfcfecc] | 746 | <para>Is used to execute a program with a shutdown, sleep or idle
|
---|
| 747 | inhibitor lock taken, preventing an action such as a system shutdown
|
---|
[4c8c128] | 748 | until the process is completed</para>
|
---|
[cba2d4e] | 749 | <indexterm zone="ch-system-systemd systemd-inhibit">
|
---|
| 750 | <primary sortas="b-systemd-inhibit">systemd-inhibit</primary>
|
---|
| 751 | </indexterm>
|
---|
| 752 | </listitem>
|
---|
| 753 | </varlistentry>
|
---|
| 754 |
|
---|
| 755 | <varlistentry id="systemd-machine-id-setup">
|
---|
| 756 | <term><command>systemd-machine-id-setup</command></term>
|
---|
| 757 | <listitem>
|
---|
[6dfcfecc] | 758 | <para>Is used by system installer tools to initialize the machine ID
|
---|
[1118b17] | 759 | stored in <filename>/etc/machine-id</filename> at install time with a
|
---|
| 760 | randomly generated ID</para>
|
---|
[cba2d4e] | 761 | <indexterm zone="ch-system-systemd systemd-machine-id-setup">
|
---|
| 762 | <primary sortas="b-systemd-machine-id-setup">systemd-machine-id-setup</primary>
|
---|
| 763 | </indexterm>
|
---|
| 764 | </listitem>
|
---|
| 765 | </varlistentry>
|
---|
| 766 |
|
---|
[13c8b42] | 767 | <varlistentry id="systemd-mount">
|
---|
| 768 | <term><command>systemd-mount</command></term>
|
---|
| 769 | <listitem>
|
---|
[4c8c128] | 770 | <para>Is used to temporarily mount or automount disks</para>
|
---|
[13c8b42] | 771 | <indexterm zone="ch-system-systemd systemd-mount">
|
---|
| 772 | <primary sortas="b-systemd-mount">systemd-mount</primary>
|
---|
| 773 | </indexterm>
|
---|
| 774 | </listitem>
|
---|
| 775 | </varlistentry>
|
---|
| 776 |
|
---|
[cba2d4e] | 777 | <varlistentry id="systemd-notify">
|
---|
| 778 | <term><command>systemd-notify</command></term>
|
---|
| 779 | <listitem>
|
---|
[69854d2a] | 780 | <para>Is used by daemon scripts to notify the init system of status
|
---|
[1118b17] | 781 | changes</para>
|
---|
[cba2d4e] | 782 | <indexterm zone="ch-system-systemd systemd-notify">
|
---|
| 783 | <primary sortas="b-systemd-notify">systemd-notify</primary>
|
---|
| 784 | </indexterm>
|
---|
| 785 | </listitem>
|
---|
| 786 | </varlistentry>
|
---|
| 787 |
|
---|
| 788 | <varlistentry id="systemd-nspawn">
|
---|
| 789 | <term><command>systemd-nspawn</command></term>
|
---|
| 790 | <listitem>
|
---|
[69854d2a] | 791 | <para>Is used to run a command, or an entire OS, in a light-weight namespace
|
---|
[1118b17] | 792 | container</para>
|
---|
[cba2d4e] | 793 | <indexterm zone="ch-system-systemd systemd-nspawn">
|
---|
| 794 | <primary sortas="b-systemd-nspawn">systemd-nspawn</primary>
|
---|
| 795 | </indexterm>
|
---|
| 796 | </listitem>
|
---|
| 797 | </varlistentry>
|
---|
| 798 |
|
---|
[1118b17] | 799 | <varlistentry id="systemd-path">
|
---|
| 800 | <term><command>systemd-path</command></term>
|
---|
| 801 | <listitem>
|
---|
[6dfcfecc] | 802 | <para>Is used to query system and user paths</para>
|
---|
[1118b17] | 803 | <indexterm zone="ch-system-systemd systemd-path">
|
---|
| 804 | <primary sortas="b-systemd-path">systemd-path</primary>
|
---|
| 805 | </indexterm>
|
---|
| 806 | </listitem>
|
---|
| 807 | </varlistentry>
|
---|
| 808 |
|
---|
[d1fbbd0] | 809 | <varlistentry id="systemd-repart">
|
---|
| 810 | <term><command>systemd-repart</command></term>
|
---|
| 811 | <listitem>
|
---|
[6dfcfecc] | 812 | <para>Is used to grow and add partitions to a partition table when
|
---|
[69854d2a] | 813 | systemd is used with an OS image (e.g. a container)</para>
|
---|
[d1fbbd0] | 814 | <indexterm zone="ch-system-systemd systemd-repart">
|
---|
| 815 | <primary sortas="b-systemd-repart">systemd-repart</primary>
|
---|
| 816 | </indexterm>
|
---|
| 817 | </listitem>
|
---|
| 818 | </varlistentry>
|
---|
| 819 |
|
---|
[1118b17] | 820 | <varlistentry id="systemd-resolve">
|
---|
| 821 | <term><command>systemd-resolve</command></term>
|
---|
| 822 | <listitem>
|
---|
[6dfcfecc] | 823 | <para>Is used to resolve domain names, IPV4 and IPv6 addresses, DNS
|
---|
[1118b17] | 824 | resource records, and services</para>
|
---|
| 825 | <indexterm zone="ch-system-systemd systemd-resolve">
|
---|
| 826 | <primary sortas="b-systemd-resolve">systemd-resolve</primary>
|
---|
| 827 | </indexterm>
|
---|
| 828 | </listitem>
|
---|
| 829 | </varlistentry>
|
---|
| 830 |
|
---|
[cba2d4e] | 831 | <varlistentry id="systemd-run">
|
---|
| 832 | <term><command>systemd-run</command></term>
|
---|
| 833 | <listitem>
|
---|
[6dfcfecc] | 834 | <para>Is used to create and start a transient .service or a .scope
|
---|
[69854d2a] | 835 | unit and run the specified command in it; this is useful for
|
---|
[4c8c128] | 836 | validating systemd units</para>
|
---|
[cba2d4e] | 837 | <indexterm zone="ch-system-systemd systemd-run">
|
---|
| 838 | <primary sortas="b-systemd-run">systemd-run</primary>
|
---|
| 839 | </indexterm>
|
---|
| 840 | </listitem>
|
---|
| 841 | </varlistentry>
|
---|
| 842 |
|
---|
[13c8b42] | 843 | <varlistentry id="systemd-socket-activate">
|
---|
| 844 | <term><command>systemd-socket-activate</command></term>
|
---|
| 845 | <listitem>
|
---|
[6dfcfecc] | 846 | <para>Is used to listen on socket devices and launch a process upon
|
---|
[4c8c128] | 847 | a successful connection to the socket</para>
|
---|
[13c8b42] | 848 | <indexterm zone="ch-system-systemd systemd-socket-activate">
|
---|
| 849 | <primary sortas="b-systemd-socket-activate">systemd-socket-activate</primary>
|
---|
| 850 | </indexterm>
|
---|
| 851 | </listitem>
|
---|
| 852 | </varlistentry>
|
---|
| 853 |
|
---|
[d7a9421] | 854 | <varlistentry id="systemd-sysext">
|
---|
| 855 | <term><command>systemd-sysext</command></term>
|
---|
| 856 | <listitem>
|
---|
[871fd2f] | 857 | <para>Activates system extension images</para>
|
---|
[d7a9421] | 858 | <indexterm zone="ch-system-systemd systemd-sysext">
|
---|
| 859 | <primary sortas="b-systemd-sysext">systemd-sysext</primary>
|
---|
| 860 | </indexterm>
|
---|
| 861 | </listitem>
|
---|
| 862 | </varlistentry>
|
---|
| 863 |
|
---|
[cba2d4e] | 864 | <varlistentry id="systemd-tmpfiles">
|
---|
| 865 | <term><command>systemd-tmpfiles</command></term>
|
---|
| 866 | <listitem>
|
---|
[69854d2a] | 867 | <para>Creates, deletes, and cleans up volatile and temporary files and
|
---|
[1118b17] | 868 | directories, based on the configuration file format and location
|
---|
| 869 | specified in
|
---|
| 870 | <filename class="directory">tmpfiles.d</filename> directories</para>
|
---|
[cba2d4e] | 871 | <indexterm zone="ch-system-systemd systemd-tmpfiles">
|
---|
| 872 | <primary sortas="b-systemd-tmpfiles">systemd-tmpfiles</primary>
|
---|
| 873 | </indexterm>
|
---|
| 874 | </listitem>
|
---|
| 875 | </varlistentry>
|
---|
| 876 |
|
---|
[78cc3be] | 877 | <varlistentry id="systemd-umount">
|
---|
| 878 | <term><command>systemd-umount</command></term>
|
---|
| 879 | <listitem>
|
---|
[6dfcfecc] | 880 | <para>Unmounts mount points</para>
|
---|
[78cc3be] | 881 | <indexterm zone="ch-system-systemd systemd-umount">
|
---|
| 882 | <primary sortas="b-systemd-umount">systemd-umount</primary>
|
---|
| 883 | </indexterm>
|
---|
| 884 | </listitem>
|
---|
| 885 | </varlistentry>
|
---|
| 886 |
|
---|
[cba2d4e] | 887 | <varlistentry id="systemd-tty-ask-password-agent">
|
---|
| 888 | <term><command>systemd-tty-ask-password-agent</command></term>
|
---|
| 889 | <listitem>
|
---|
[d672ab7] | 890 | <para>Is used to list and/or process pending systemd password
|
---|
[6dfcfecc] | 891 | requests</para>
|
---|
[cba2d4e] | 892 | <indexterm zone="ch-system-systemd systemd-tty-ask-password-agent">
|
---|
| 893 | <primary sortas="b-systemd-tty-ask-password-agent">systemd-tty-ask-password-agent</primary>
|
---|
| 894 | </indexterm>
|
---|
| 895 | </listitem>
|
---|
| 896 | </varlistentry>
|
---|
| 897 |
|
---|
| 898 | <varlistentry id="telinit">
|
---|
| 899 | <term><command>telinit</command></term>
|
---|
| 900 | <listitem>
|
---|
[1118b17] | 901 | <para>Tells <command>init</command> which run-level to change
|
---|
| 902 | to</para>
|
---|
[cba2d4e] | 903 | <indexterm zone="ch-system-systemd telinit">
|
---|
| 904 | <primary sortas="b-telinit">telinit</primary>
|
---|
| 905 | </indexterm>
|
---|
| 906 | </listitem>
|
---|
| 907 | </varlistentry>
|
---|
| 908 |
|
---|
| 909 | <varlistentry id="timedatectl">
|
---|
| 910 | <term><command>timedatectl</command></term>
|
---|
| 911 | <listitem>
|
---|
[6dfcfecc] | 912 | <para>Is used to query and change the system clock and its settings
|
---|
[cba2d4e] | 913 | </para>
|
---|
| 914 | <indexterm zone="ch-system-systemd timedatectl">
|
---|
| 915 | <primary sortas="b-timedatectl">timedatectl</primary>
|
---|
[f896e21c] | 916 | </indexterm>
|
---|
| 917 | </listitem>
|
---|
| 918 | </varlistentry>
|
---|
| 919 |
|
---|
| 920 | <varlistentry id="udevadm">
|
---|
| 921 | <term><command>udevadm</command></term>
|
---|
| 922 | <listitem>
|
---|
[d672ab7] | 923 | <para>Is a generic udev administration tool which controls the udevd
|
---|
[69854d2a] | 924 | daemon, provides info from the udev hardware database, monitors
|
---|
[d672ab7] | 925 | uevents, waits for uevents to finish, tests udev configuration, and
|
---|
[6dfcfecc] | 926 | triggers uevents for a given device</para>
|
---|
[cba2d4e] | 927 | <indexterm zone="ch-system-systemd udevadm">
|
---|
[f896e21c] | 928 | <primary sortas="b-udevadm">udevadm</primary>
|
---|
| 929 | </indexterm>
|
---|
| 930 | </listitem>
|
---|
| 931 | </varlistentry>
|
---|
| 932 |
|
---|
[cba2d4e] | 933 | <varlistentry id="libsystemd">
|
---|
| 934 | <term><filename class="libraryfile">libsystemd</filename></term>
|
---|
[f896e21c] | 935 | <listitem>
|
---|
[6dfcfecc] | 936 | <para>Is the main systemd utility library</para>
|
---|
[cba2d4e] | 937 | <indexterm zone="ch-system-systemd libsystemd">
|
---|
| 938 | <primary sortas="c-libsystemd">libsystemd</primary>
|
---|
[f896e21c] | 939 | </indexterm>
|
---|
| 940 | </listitem>
|
---|
| 941 | </varlistentry>
|
---|
| 942 |
|
---|
| 943 | <varlistentry id="libudev">
|
---|
| 944 | <term><filename class="libraryfile">libudev</filename></term>
|
---|
| 945 | <listitem>
|
---|
[6dfcfecc] | 946 | <para>Is a library to access Udev device information</para>
|
---|
[cba2d4e] | 947 | <indexterm zone="ch-system-systemd libudev">
|
---|
[f896e21c] | 948 | <primary sortas="c-libudev">libudev</primary>
|
---|
| 949 | </indexterm>
|
---|
| 950 | </listitem>
|
---|
| 951 | </varlistentry>
|
---|
| 952 |
|
---|
| 953 | </variablelist>
|
---|
| 954 |
|
---|
| 955 | </sect2>
|
---|
| 956 |
|
---|
| 957 | </sect1>
|
---|