[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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[c8df034] | 43 | <para>First, apply a patch to fix a security vulnerability and regressions
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| 44 | with hostnames and idle units:</para>
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[38de42d] | 45 |
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[d7a9421] | 46 | <screen><userinput remap="pre">patch -Np1 -i ../systemd-&systemd-version;-upstream_fixes-1.patch</userinput></screen>
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[b55310e] | 47 |
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[87119fd] | 48 | <para>Remove two unneeded groups,
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| 49 | <systemitem class="groupname">render</systemitem> and
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| 50 | <systemitem class="groupname">sgx</systemitem>, from the default udev
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[896e77e] | 51 | rules:</para>
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| 52 |
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[1f201845] | 53 | <screen><userinput remap="pre">sed -i -e 's/GROUP="render"/GROUP="video"/' \
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[87119fd] | 54 | -e 's/GROUP="sgx", //' rules.d/50-udev-default.rules.in</userinput></screen>
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[896e77e] | 55 |
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[1118b17] | 56 | <para>Prepare systemd for compilation:</para>
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| 57 |
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[be00729f] | 58 | <screen><userinput remap="configure">mkdir -p build
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[04b2165] | 59 | cd build
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[fc199db] | 60 |
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[95906db] | 61 | meson --prefix=/usr \
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| 62 | --sysconfdir=/etc \
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| 63 | --localstatedir=/var \
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[06cdaed] | 64 | --buildtype=release \
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[95906db] | 65 | -Dblkid=true \
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| 66 | -Ddefault-dnssec=no \
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| 67 | -Dfirstboot=false \
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| 68 | -Dinstall-tests=false \
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| 69 | -Dldconfig=false \
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| 70 | -Dsysusers=false \
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| 71 | -Db_lto=false \
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| 72 | -Drpmmacrosdir=no \
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| 73 | -Dhomed=false \
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| 74 | -Duserdb=false \
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[ceebda5] | 75 | -Dman=false \
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[38de42d] | 76 | -Dmode=release \
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[d7e0db5] | 77 | -Ddocdir=/usr/share/doc/systemd-&systemd-version; \
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[fc199db] | 78 | ..</userinput></screen>
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[cba2d4e] | 79 |
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| 80 | <variablelist>
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[81ed05f] | 81 | <title>The meaning of the meson options:</title>
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[cba2d4e] | 82 |
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[06cdaed] | 83 | <varlistentry>
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| 84 | <term><parameter>--buildtype=release</parameter></term>
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| 85 | <listitem>
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| 86 | <para>This switch overrides the default buildtype
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| 87 | (<quote>debug</quote>), which would produce unoptimized
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| 88 | binaries.</para>
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| 89 | </listitem>
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| 90 | </varlistentry>
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| 91 |
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[cba2d4e] | 92 | <varlistentry>
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[81ed05f] | 93 | <term><parameter>-Ddefault-dnssec=no</parameter></term>
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[cba2d4e] | 94 | <listitem>
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[81ed05f] | 95 | <para>This switch turns off the experimental DNSSEC support.</para>
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[cba2d4e] | 96 | </listitem>
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| 97 | </varlistentry>
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| 98 |
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| 99 | <varlistentry>
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[81ed05f] | 100 | <term><parameter>-Dfirstboot=false</parameter></term>
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[cba2d4e] | 101 | <listitem>
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[81ed05f] | 102 | <para>This switch prevents installation of systemd
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| 103 | services responsible for setting up the system for
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| 104 | the first time. They are not useful for LFS because
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| 105 | everything is done manually.</para>
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[cba2d4e] | 106 | </listitem>
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| 107 | </varlistentry>
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| 108 |
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[e88a471b] | 109 | <varlistentry>
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| 110 | <term><parameter>-Dinstall-tests=false</parameter></term>
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| 111 | <listitem>
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| 112 | <para>This switch prevents installation of the compiled tests.</para>
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| 113 | </listitem>
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| 114 | </varlistentry>
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| 115 |
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[cba2d4e] | 116 | <varlistentry>
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[0d84af1] | 117 | <term><parameter>-Dldconfig=false</parameter></term>
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[cba2d4e] | 118 | <listitem>
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[0d84af1] | 119 | <para>This switch prevents installation of a systemd unit that runs
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| 120 | <command>ldconfig</command> at boot, which is not useful for source
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| 121 | distributions such as LFS and makes the boot time longer. Remove it
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| 122 | if the described feature is desired.</para>
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[cba2d4e] | 123 | </listitem>
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| 124 | </varlistentry>
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| 125 |
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[1118b17] | 126 | <varlistentry>
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[81ed05f] | 127 | <term><parameter>-Dsysusers=false</parameter></term>
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[1118b17] | 128 | <listitem>
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| 129 | <para>This switch prevents installation of systemd
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| 130 | services responsible for setting up the
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| 131 | <filename>/etc/group</filename> and
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| 132 | <filename>/etc/passwd</filename> files. Both files
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[f09dd59] | 133 | were created in the previous chapter. This daemon is not useful
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[0a75d62] | 134 | on an LFS system since user accounts are manually created.</para>
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[cba2d4e] | 135 | </listitem>
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| 136 | </varlistentry>
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| 137 |
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[be00729f] | 138 | <varlistentry>
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| 139 | <term><parameter>-Drpmmacrosdir=no</parameter></term>
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| 140 | <listitem>
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| 141 | <para>This switch disables installation of RPM Macros
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| 142 | for use with systemd because LFS does not support RPM.</para>
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| 143 | </listitem>
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| 144 | </varlistentry>
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[d1fbbd0] | 145 |
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| 146 | <varlistentry>
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| 147 | <term><parameter>-D{userdb,homed}=false</parameter></term>
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| 148 | <listitem>
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| 149 | <para>Remove two daemons that have dependencies that do not fit
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| 150 | the scope of LFS.</para>
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| 151 | </listitem>
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| 152 | </varlistentry>
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| 153 |
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[ceebda5] | 154 | <varlistentry>
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| 155 | <term><parameter>-Dman=false</parameter></term>
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| 156 | <listitem>
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| 157 | <para>Prevent the generation of man pages to avoid extra
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| 158 | dependencies. We will install pre-generated man pages for systemd
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| 159 | from a tarball later.</para>
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| 160 | </listitem>
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| 161 | </varlistentry>
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| 162 |
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[38de42d] | 163 | <varlistentry>
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| 164 | <term><parameter>-Dmode=release</parameter></term>
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| 165 | <listitem>
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| 166 | <para>Disable some features considered experimental by upstream.
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| 167 | </para>
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| 168 | </listitem>
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| 169 | </varlistentry>
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| 170 |
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[cba2d4e] | 171 | </variablelist>
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| 172 |
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| 173 | <para>Compile the package:</para>
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| 174 |
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[69c4524] | 175 | <screen><userinput remap="make">ninja</userinput></screen>
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[f896e21c] | 176 |
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| 177 | <para>Install the package:</para>
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| 178 |
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[69c4524] | 179 | <screen><userinput remap="install">ninja install</userinput></screen>
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[cba2d4e] | 180 |
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[ceebda5] | 181 | <para>Install the man pages:</para>
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[cba2d4e] | 182 |
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[ceebda5] | 183 | <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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[81ed05f] | 184 |
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[4c8c128] | 185 | <para>Remove a useless directory:</para>
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[a5c2803] | 186 |
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| 187 | <screen><userinput remap="install">rm -rf /usr/lib/pam.d</userinput></screen>
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| 188 |
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[cba2d4e] | 189 | <para>Create the <filename>/etc/machine-id</filename> file needed by
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[1118b17] | 190 | <command>systemd-journald</command>:</para>
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[053b206] | 191 |
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[15f0f21] | 192 | <screen><userinput remap="adjust">systemd-machine-id-setup</userinput></screen>
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[cba2d4e] | 193 |
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[0aaf6a31] | 194 | <para>Setup the basic target structure:</para>
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| 195 |
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| 196 | <screen><userinput remap="adjust">systemctl preset-all</userinput></screen>
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| 197 |
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| 198 | <para>Disable a service that is known to cause problems with systems that
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| 199 | use a network configuration other than what is provided by
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| 200 | systemd-networkd:</para>
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| 201 | <!-- Observed halting startup with dhcpcd handling the primary NIC -->
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[d672ab7] | 202 |
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[0aaf6a31] | 203 | <screen><userinput remap="adjust">systemctl disable systemd-time-wait-sync.service</userinput></screen>
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| 204 |
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[a5c2803] | 205 | <!-- dev: 50-pid-max.conf is not removed in BLFS, so I commented the following out.
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| 206 | If it causes any trouble, we can add this back and also copy it into BLFS -->
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| 207 | <!--
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[0aaf6a31] | 208 | <para>Prevent systemd from resetting the maximum PID value which causes
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| 209 | some problems with packages and units in BLFS:</para>
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[d672ab7] | 210 |
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[d1fbbd0] | 211 | <screen><userinput remap="adjust">rm -f /usr/lib/sysctl.d/50-pid-max.conf</userinput></screen>
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[a5c2803] | 212 | -->
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[0aaf6a31] | 213 |
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[f896e21c] | 214 | </sect2>
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| 215 |
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[6dfcfecc] | 216 | <!-- - - - - - - - - - -->
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| 217 | <!-- Multilib - 32bit -->
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| 218 | <!-- - - - - - - - - - -->
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| 219 |
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[fd48baa] | 220 | <sect2 arch="ml_32,ml_all" role="installation">
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[b3f1ebb3] | 221 | <title>Installation of systemd - 32-bit</title>
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| 222 |
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| 223 | <para>Clean previous build:</para>
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| 224 |
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[6dfcfecc] | 225 | <screen><userinput remap="pre">rm -rf *</userinput></screen>
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[b3f1ebb3] | 226 |
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| 227 | <para>Create a symlink to work around missing xsltproc:</para>
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| 228 |
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[6dfcfecc] | 229 | <!-- screen><userinput remap="pre">ln -sf /tools/bin/true /usr/bin/xsltproc</userinput></screen -->
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| 230 | <screen><userinput remap="pre">ln -sf /bin/true /usr/bin/xsltproc</userinput></screen>
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[b3f1ebb3] | 231 |
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[6dfcfecc] | 232 | <!-- with cross-LFS we have util-linux in place:
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[b3f1ebb3] | 233 | <para>Because we have not yet installed the final version of Util-Linux,
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| 234 | create links to the libraries in the approprite location:</para>
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| 235 |
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| 236 | <screen><userinput remap="pre">for file in /tools/lib32/lib{blkid,mount,uuid}*; do
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| 237 | ln -sf $file /usr/lib32/
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| 238 | done</userinput></screen>
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[6dfcfecc] | 239 | -->
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[b3f1ebb3] | 240 |
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| 241 | <para>Prepare systemd for compilation:</para>
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| 242 |
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[0ebda11] | 243 | <screen><userinput remap="configure">PKG_CONFIG_PATH="/usr/lib32/pkgconfig" \
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[b3f1ebb3] | 244 | CC="gcc -m32 -march=i686" \
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| 245 | CXX="g++ -m32 -march=i686" \
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| 246 | LANG=en_US.UTF-8 \
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| 247 | meson --prefix=/usr \
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| 248 | --sysconfdir=/etc \
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| 249 | --localstatedir=/var \
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| 250 | -Dblkid=true \
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| 251 | -Dbuildtype=release \
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| 252 | -Ddefault-dnssec=no \
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| 253 | -Dfirstboot=false \
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| 254 | -Dinstall-tests=false \
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| 255 | -Dkill-path=/bin/kill \
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| 256 | -Dkmod-path=/bin/kmod \
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| 257 | -Dldconfig=false \
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| 258 | -Dmount-path=/bin/mount \
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| 259 | -Drootprefix= \
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[0ebda11] | 260 | -Drootlibdir=/usr/lib32 \
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[b3f1ebb3] | 261 | -Dsplit-usr=true \
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| 262 | -Dsulogin-path=/sbin/sulogin \
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| 263 | -Dsysusers=false \
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| 264 | -Dumount-path=/bin/umount \
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| 265 | -Db_lto=false \
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| 266 | ..</userinput></screen>
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| 267 |
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| 268 | <para>Compile the package:</para>
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| 269 |
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| 270 | <screen><userinput remap="make">LANG=en_US.UTF-8 ninja</userinput></screen>
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| 271 |
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| 272 | <para>Install the package:</para>
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| 273 |
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| 274 | <screen><userinput remap="install">LANG=en_US.UTF-8 DESTDIR=$PWD/DESTDIR ninja install
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[0ebda11] | 275 | cp -Rv DESTDIR/usr/lib32/* /usr/lib32
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[b3f1ebb3] | 276 | rm -rf DESTDIR
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| 277 | rm -f /usr/bin/xsltproc</userinput></screen>
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| 278 |
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[6dfcfecc] | 279 | </sect2><!-- m32 -->
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[b3f1ebb3] | 280 |
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[6dfcfecc] | 281 | <!-- - - - - - - - - - -->
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| 282 | <!-- Multilib - x32bit -->
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| 283 | <!-- - - - - - - - - - -->
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| 284 |
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[fd48baa] | 285 | <sect2 arch="ml_x32,ml_all" role="installation">
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[b3f1ebb3] | 286 | <title>Installation of systemd - x32-bit</title>
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| 287 |
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| 288 | <para>Clean previous build:</para>
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| 289 |
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[6dfcfecc] | 290 | <screen><userinput remap="pre">rm -rf *</userinput></screen>
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[b3f1ebb3] | 291 |
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| 292 | <para>Create a symlink to work around missing xsltproc:</para>
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| 293 |
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[6dfcfecc] | 294 | <screen><userinput remap="pre">ln -sf /bin/true /usr/bin/xsltproc</userinput></screen>
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[b3f1ebb3] | 295 |
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| 296 | <para>Fix an issue on x32:</para>
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| 297 |
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| 298 | <screen><userinput remap="pre">sed '/log_debug/s@PRI_TIMEX@PRIi64@' -i src/timesync/timesyncd-manager.c
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| 299 | sed '/long drift_freq;/s@long @int64_t @' -i src/timesync/timesyncd-manager.h</userinput></screen>
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| 300 |
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| 301 | <para>Prepare systemd for compilation:</para>
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| 302 |
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[0ebda11] | 303 | <screen><userinput remap="configure">PKG_CONFIG_PATH="/usr/libx32/pkgconfig" \
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[b3f1ebb3] | 304 | CC="gcc -mx32" \
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| 305 | CXX="g++ -mx32" \
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| 306 | CFLAGS+="-Wno-error=shift-overflow" \
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| 307 | CXXFLAGS+="-Wno-error=shift-overflow" \
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| 308 | LANG=en_US.UTF-8 \
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| 309 | meson --prefix=/usr \
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| 310 | --sysconfdir=/etc \
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| 311 | --localstatedir=/var \
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| 312 | -Dblkid=true \
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| 313 | -Dbuildtype=release \
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| 314 | -Ddefault-dnssec=no \
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| 315 | -Dfirstboot=false \
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| 316 | -Dinstall-tests=false \
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| 317 | -Dkill-path=/bin/kill \
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| 318 | -Dkmod-path=/bin/kmod \
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| 319 | -Dldconfig=false \
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| 320 | -Dmount-path=/bin/mount \
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| 321 | -Drootprefix= \
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[0ebda11] | 322 | -Drootlibdir=/usr/libx32 \
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[b3f1ebb3] | 323 | -Dsplit-usr=true \
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| 324 | -Dsulogin-path=/sbin/sulogin \
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| 325 | -Dsysusers=false \
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| 326 | -Dumount-path=/bin/umount \
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| 327 | -Db_lto=false \
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| 328 | ..</userinput></screen>
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| 329 |
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| 330 | <para>Compile the package:</para>
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| 331 |
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| 332 | <screen><userinput remap="make">LANG=en_US.UTF-8 ninja</userinput></screen>
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| 333 |
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| 334 | <para>Install the package:</para>
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| 335 |
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| 336 | <screen><userinput remap="install">LANG=en_US.UTF-8 DESTDIR=$PWD/DESTDIR ninja install
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[0ebda11] | 337 | cp -Rv DESTDIR/usr/lib32/* /usr/lib32
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[b3f1ebb3] | 338 | rm -rf DESTDIR
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| 339 | rm -f /usr/bin/xsltproc</userinput></screen>
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| 340 |
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[6dfcfecc] | 341 | </sect2><!-- mx32 -->
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[b3f1ebb3] | 342 |
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[cba2d4e] | 343 | <sect2 id="contents-systemd" role="content">
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[1118b17] | 344 | <title>Contents of systemd</title>
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[f896e21c] | 345 |
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| 346 | <segmentedlist>
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| 347 | <segtitle>Installed programs</segtitle>
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| 348 | <segtitle>Installed libraries</segtitle>
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| 349 | <segtitle>Installed directories</segtitle>
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| 350 |
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| 351 | <seglistitem>
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[78cc3be] | 352 | <seg>bootctl, busctl, coredumpctl, halt (symlink to systemctl),
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| 353 | hostnamectl, init, journalctl, kernel-install, localectl, loginctl,
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[d7a9421] | 354 | machinectl, networkctl, oomctl, portablectl, poweroff (symlink to
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[78cc3be] | 355 | systemctl), reboot (symlink to systemctl), resolvconf (symlink to
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| 356 | resolvectl), resolvectl, runlevel (symlink to systemctl), shutdown
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| 357 | (symlink to systemctl), systemctl, systemd-analyze,
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[1118b17] | 358 | systemd-ask-password, systemd-cat, systemd-cgls, systemd-cgtop,
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[d7a9421] | 359 | systemd-cryptenroll, systemd-delta, systemd-detect-virt,
|
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| 360 | systemd-dissect, systemd-escape, systemd-hwdb, systemd-id128,
|
---|
| 361 | systemd-inhibit, systemd-machine-id-setup,
|
---|
[78cc3be] | 362 | systemd-mount, systemd-notify, systemd-nspawn, systemd-path,
|
---|
[d1fbbd0] | 363 | systemd-repart, systemd-resolve (symlink to resolvectl), systemd-run,
|
---|
[d7a9421] | 364 | systemd-socket-activate, systemd-stdio-bridge, systemd-sysext,
|
---|
| 365 | systemd-tmpfiles, systemd-tty-ask-password-agent,
|
---|
| 366 | systemd-umount (symlink to systemd-mount),
|
---|
| 367 | telinit (symlink to systemctl), timedatectl, and udevadm</seg>
|
---|
[1118b17] | 368 | <seg>libnss_myhostname.so.2, libnss_mymachines.so.2,
|
---|
[78cc3be] | 369 | libnss_resolve.so.2, libnss_systemd.so.2,
|
---|
[d7a9421] | 370 | libsystemd.so, libsystemd-shared-&systemd-version;.so (in /usr/lib/systemd),
|
---|
[a840e59] | 371 | and libudev.so</seg>
|
---|
[cba2d4e] | 372 | <seg>/etc/binfmt.d, /etc/init.d, /etc/kernel, /etc/modules-load.d,
|
---|
| 373 | /etc/sysctl.d, /etc/systemd, /etc/tmpfiles.d, /etc/udev,
|
---|
[d7a9421] | 374 | /etc/xdg/systemd, /usr/lib/systemd, /usr/lib/udev, /usr/include/systemd,
|
---|
[d672ab7] | 375 | /usr/lib/binfmt.d, /usr/lib/environment.d, /usr/lib/kernel,
|
---|
| 376 | /usr/lib/modules-load.d, /usr/lib/sysctl.d, /usr/lib/systemd,
|
---|
[4ea78e0] | 377 | /usr/lib/tmpfiles.d,
|
---|
[1118b17] | 378 | /usr/share/doc/systemd-&systemd-version;, /usr/share/factory,
|
---|
| 379 | /usr/share/systemd, /var/lib/systemd, and /var/log/journal</seg>
|
---|
[f896e21c] | 380 | </seglistitem>
|
---|
| 381 | </segmentedlist>
|
---|
| 382 |
|
---|
| 383 | <variablelist>
|
---|
| 384 | <bridgehead renderas="sect3">Short Descriptions</bridgehead>
|
---|
| 385 | <?dbfo list-presentation="list"?>
|
---|
| 386 | <?dbhtml list-presentation="table"?>
|
---|
| 387 |
|
---|
[cba2d4e] | 388 | <varlistentry id="bootctl">
|
---|
| 389 | <term><command>bootctl</command></term>
|
---|
| 390 | <listitem>
|
---|
[6dfcfecc] | 391 | <para>Is used to query the firmware and boot manager settings</para>
|
---|
[cba2d4e] | 392 | <indexterm zone="ch-system-systemd bootctl">
|
---|
| 393 | <primary sortas="b-bootctl">bootctl</primary>
|
---|
| 394 | </indexterm>
|
---|
| 395 | </listitem>
|
---|
| 396 | </varlistentry>
|
---|
| 397 |
|
---|
| 398 | <varlistentry id="busctl">
|
---|
| 399 | <term><command>busctl</command></term>
|
---|
| 400 | <listitem>
|
---|
[6dfcfecc] | 401 | <para>Is used to introspect and monitor the D-Bus bus</para>
|
---|
[cba2d4e] | 402 | <indexterm zone="ch-system-systemd busctl">
|
---|
| 403 | <primary sortas="b-busctl">busctl</primary>
|
---|
| 404 | </indexterm>
|
---|
| 405 | </listitem>
|
---|
| 406 | </varlistentry>
|
---|
| 407 |
|
---|
[1118b17] | 408 | <varlistentry id="coredumpctl">
|
---|
| 409 | <term><command>coredumpctl</command></term>
|
---|
| 410 | <listitem>
|
---|
[6dfcfecc] | 411 | <para>Is used to retrieve coredumps from the systemd journal</para>
|
---|
[1118b17] | 412 | <indexterm zone="ch-system-systemd coredumpctl">
|
---|
| 413 | <primary sortas="b-coredumpctl">coredumpctl</primary>
|
---|
| 414 | </indexterm>
|
---|
| 415 | </listitem>
|
---|
| 416 | </varlistentry>
|
---|
| 417 |
|
---|
[cba2d4e] | 418 | <varlistentry id="halt">
|
---|
| 419 | <term><command>halt</command></term>
|
---|
| 420 | <listitem>
|
---|
| 421 | <para>Normally invokes <command>shutdown</command> with the
|
---|
| 422 | <parameter>-h</parameter> option, except when already in run-level 0,
|
---|
| 423 | then it tells the kernel to halt the system; it notes in the
|
---|
| 424 | file <filename>/var/log/wtmp</filename> that the system is being
|
---|
[1118b17] | 425 | brought down</para>
|
---|
[cba2d4e] | 426 | <indexterm zone="ch-system-systemd halt">
|
---|
| 427 | <primary sortas="b-halt">halt</primary>
|
---|
| 428 | </indexterm>
|
---|
| 429 | </listitem>
|
---|
| 430 | </varlistentry>
|
---|
| 431 |
|
---|
| 432 | <varlistentry id="hostnamectl">
|
---|
| 433 | <term><command>hostnamectl</command></term>
|
---|
| 434 | <listitem>
|
---|
[6dfcfecc] | 435 | <para>Is used to query and change the system hostname and related
|
---|
[1118b17] | 436 | settings</para>
|
---|
[cba2d4e] | 437 | <indexterm zone="ch-system-systemd hostnamectl">
|
---|
| 438 | <primary sortas="b-hostnamectl">hostnamectl</primary>
|
---|
| 439 | </indexterm>
|
---|
| 440 | </listitem>
|
---|
| 441 | </varlistentry>
|
---|
| 442 |
|
---|
| 443 | <varlistentry id="init">
|
---|
| 444 | <term><command>init</command></term>
|
---|
| 445 | <listitem>
|
---|
[6dfcfecc] | 446 | <para>Is the first process to be started when the kernel has initialized
|
---|
[d672ab7] | 447 | the hardware which takes over the boot process and starts all
|
---|
[6dfcfecc] | 448 | processes according to its configuration files. In this case, it starts
|
---|
[4c8c128] | 449 | systemd</para>
|
---|
[cba2d4e] | 450 | <indexterm zone="ch-system-systemd init">
|
---|
| 451 | <primary sortas="b-init">init</primary>
|
---|
| 452 | </indexterm>
|
---|
| 453 | </listitem>
|
---|
| 454 | </varlistentry>
|
---|
| 455 |
|
---|
| 456 | <varlistentry id="journalctl">
|
---|
| 457 | <term><command>journalctl</command></term>
|
---|
| 458 | <listitem>
|
---|
[6dfcfecc] | 459 | <para>Is used to query the contents of the systemd journal</para>
|
---|
[cba2d4e] | 460 | <indexterm zone="ch-system-systemd journalctl">
|
---|
| 461 | <primary sortas="b-journalctl">journalctl</primary>
|
---|
| 462 | </indexterm>
|
---|
| 463 | </listitem>
|
---|
| 464 | </varlistentry>
|
---|
| 465 |
|
---|
| 466 | <varlistentry id="kernel-install">
|
---|
| 467 | <term><command>kernel-install</command></term>
|
---|
| 468 | <listitem>
|
---|
[6dfcfecc] | 469 | <para>Is used to add and remove kernel and initramfs images to and
|
---|
[4c8c128] | 470 | from /boot. In LFS, this is done manually</para>
|
---|
[cba2d4e] | 471 | <indexterm zone="ch-system-systemd kernel-install">
|
---|
| 472 | <primary sortas="b-kernel-install">kernel-install</primary>
|
---|
| 473 | </indexterm>
|
---|
| 474 | </listitem>
|
---|
| 475 | </varlistentry>
|
---|
| 476 |
|
---|
| 477 | <varlistentry id="localectl">
|
---|
| 478 | <term><command>localectl</command></term>
|
---|
| 479 | <listitem>
|
---|
[6dfcfecc] | 480 | <para>Is used to query and change the system locale and keyboard layout
|
---|
[1118b17] | 481 | settings</para>
|
---|
[cba2d4e] | 482 | <indexterm zone="ch-system-systemd localectl">
|
---|
| 483 | <primary sortas="b-localectl">localectl</primary>
|
---|
| 484 | </indexterm>
|
---|
| 485 | </listitem>
|
---|
| 486 | </varlistentry>
|
---|
| 487 |
|
---|
| 488 | <varlistentry id="loginctl">
|
---|
| 489 | <term><command>loginctl</command></term>
|
---|
| 490 | <listitem>
|
---|
[6dfcfecc] | 491 | <para>Is used to introspect and control the state of the systemd Login
|
---|
[1118b17] | 492 | Manager</para>
|
---|
[cba2d4e] | 493 | <indexterm zone="ch-system-systemd loginctl">
|
---|
| 494 | <primary sortas="b-loginctl">loginctl</primary>
|
---|
| 495 | </indexterm>
|
---|
| 496 | </listitem>
|
---|
| 497 | </varlistentry>
|
---|
| 498 |
|
---|
| 499 | <varlistentry id="machinectl">
|
---|
| 500 | <term><command>machinectl</command></term>
|
---|
| 501 | <listitem>
|
---|
[6dfcfecc] | 502 | <para>Is used to introspect and control the state of the systemd Virtual
|
---|
[cba2d4e] | 503 | Machine and Container Registration Manager</para>
|
---|
| 504 | <indexterm zone="ch-system-systemd machinectl">
|
---|
| 505 | <primary sortas="b-machinectl">machinectl</primary>
|
---|
| 506 | </indexterm>
|
---|
| 507 | </listitem>
|
---|
| 508 | </varlistentry>
|
---|
| 509 |
|
---|
[1118b17] | 510 | <varlistentry id="networkctl">
|
---|
| 511 | <term><command>networkctl</command></term>
|
---|
| 512 | <listitem>
|
---|
[d672ab7] | 513 | <para>Is used to introspect and configure the state of the network
|
---|
[6dfcfecc] | 514 | links configured by systemd-networkd</para>
|
---|
[1118b17] | 515 | <indexterm zone="ch-system-systemd networkctl">
|
---|
| 516 | <primary sortas="b-networkctl">networkctl</primary>
|
---|
| 517 | </indexterm>
|
---|
| 518 | </listitem>
|
---|
| 519 | </varlistentry>
|
---|
| 520 |
|
---|
[d7a9421] | 521 | <varlistentry id="oomctl">
|
---|
| 522 | <term><command>oomctl</command></term>
|
---|
| 523 | <listitem>
|
---|
| 524 | <para>Controls the systemd Out Of Memory daemon</para>
|
---|
| 525 | <indexterm zone="ch-system-systemd oomctl">
|
---|
| 526 | <primary sortas="b-oomctl">oomctl</primary>
|
---|
| 527 | </indexterm>
|
---|
| 528 | </listitem>
|
---|
| 529 | </varlistentry>
|
---|
| 530 |
|
---|
[78cc3be] | 531 | <varlistentry id="portablectl">
|
---|
| 532 | <term><command>portablectl</command></term>
|
---|
| 533 | <listitem>
|
---|
[6dfcfecc] | 534 | <para>Is used to attach or detach portable services from the local
|
---|
[78cc3be] | 535 | system</para>
|
---|
| 536 | <indexterm zone="ch-system-systemd portablectl">
|
---|
| 537 | <primary sortas="b-portablectl">portablectl</primary>
|
---|
| 538 | </indexterm>
|
---|
| 539 | </listitem>
|
---|
| 540 | </varlistentry>
|
---|
| 541 |
|
---|
[cba2d4e] | 542 | <varlistentry id="poweroff">
|
---|
| 543 | <term><command>poweroff</command></term>
|
---|
| 544 | <listitem>
|
---|
[6dfcfecc] | 545 | <para>Instructs the kernel to halt the system and switch off the computer
|
---|
[1118b17] | 546 | (see <command>halt</command>)</para>
|
---|
[cba2d4e] | 547 | <indexterm zone="ch-system-systemd poweroff">
|
---|
| 548 | <primary sortas="b-poweroff">poweroff</primary>
|
---|
| 549 | </indexterm>
|
---|
| 550 | </listitem>
|
---|
| 551 | </varlistentry>
|
---|
| 552 |
|
---|
| 553 | <varlistentry id="reboot">
|
---|
| 554 | <term><command>reboot</command></term>
|
---|
[f896e21c] | 555 | <listitem>
|
---|
[6dfcfecc] | 556 | <para>Instructs the kernel to reboot the system (see
|
---|
[1118b17] | 557 | <command>halt</command>)</para>
|
---|
[cba2d4e] | 558 | <indexterm zone="ch-system-systemd reboot">
|
---|
| 559 | <primary sortas="b-reboot">reboot</primary>
|
---|
[f896e21c] | 560 | </indexterm>
|
---|
| 561 | </listitem>
|
---|
| 562 | </varlistentry>
|
---|
| 563 |
|
---|
[78cc3be] | 564 | <varlistentry id="resolvconf">
|
---|
| 565 | <term><command>resolvconf</command></term>
|
---|
| 566 | <listitem>
|
---|
[6dfcfecc] | 567 | <para>Registers DNS server and domain configuration with
|
---|
[93058448] | 568 | <command>systemd-resolved</command></para>
|
---|
[78cc3be] | 569 | <indexterm zone="ch-system-systemd resolvconf">
|
---|
| 570 | <primary sortas="b-resolvconf">resolvconf</primary>
|
---|
| 571 | </indexterm>
|
---|
| 572 | </listitem>
|
---|
| 573 | </varlistentry>
|
---|
| 574 |
|
---|
| 575 | <varlistentry id="resolvectl">
|
---|
| 576 | <term><command>resolvectl</command></term>
|
---|
| 577 | <listitem>
|
---|
[6dfcfecc] | 578 | <para>Sends control commands to the network name resolution
|
---|
| 579 | manager, or resolves domain names, IPv4 and IPv6 addresses,
|
---|
[4c8c128] | 580 | DNS records, and services</para>
|
---|
[78cc3be] | 581 | <indexterm zone="ch-system-systemd resolvectl">
|
---|
| 582 | <primary sortas="b-resolvectl">resolvectl</primary>
|
---|
| 583 | </indexterm>
|
---|
| 584 | </listitem>
|
---|
| 585 | </varlistentry>
|
---|
| 586 |
|
---|
[cba2d4e] | 587 | <varlistentry id="runlevel">
|
---|
| 588 | <term><command>runlevel</command></term>
|
---|
[f896e21c] | 589 | <listitem>
|
---|
[6dfcfecc] | 590 | <para>Outputs the previous and the current run-level, as noted in the
|
---|
[edd83dc] | 591 | last run-level record in <filename>/run/utmp</filename></para>
|
---|
[cba2d4e] | 592 | <indexterm zone="ch-system-systemd runlevel">
|
---|
| 593 | <primary sortas="b-runlevel">runlevel</primary>
|
---|
[f896e21c] | 594 | </indexterm>
|
---|
| 595 | </listitem>
|
---|
| 596 | </varlistentry>
|
---|
| 597 |
|
---|
[cba2d4e] | 598 | <varlistentry id="shutdown">
|
---|
| 599 | <term><command>shutdown</command></term>
|
---|
[f896e21c] | 600 | <listitem>
|
---|
[d672ab7] | 601 | <para>Brings the system down in a safe and secure manner, signaling
|
---|
[6dfcfecc] | 602 | all processes and notifying all logged-in users</para>
|
---|
[cba2d4e] | 603 | <indexterm zone="ch-system-systemd shutdown">
|
---|
| 604 | <primary sortas="b-shutdown">shutdown</primary>
|
---|
[f896e21c] | 605 | </indexterm>
|
---|
| 606 | </listitem>
|
---|
| 607 | </varlistentry>
|
---|
| 608 |
|
---|
[cba2d4e] | 609 | <varlistentry id="systemctl">
|
---|
| 610 | <term><command>systemctl</command></term>
|
---|
[f896e21c] | 611 | <listitem>
|
---|
[6dfcfecc] | 612 | <para>Is used to introspect and control the state of the systemd system
|
---|
[1118b17] | 613 | and service manager</para>
|
---|
[cba2d4e] | 614 | <indexterm zone="ch-system-systemd systemctl">
|
---|
| 615 | <primary sortas="b-systemctl">systemctl</primary>
|
---|
| 616 | </indexterm>
|
---|
| 617 | </listitem>
|
---|
| 618 | </varlistentry>
|
---|
| 619 |
|
---|
| 620 | <varlistentry id="systemd-analyze">
|
---|
| 621 | <term><command>systemd-analyze</command></term>
|
---|
| 622 | <listitem>
|
---|
[6dfcfecc] | 623 | <para>Is used to determine system startup performance of the current
|
---|
| 624 | boot, as well as identify troublesome systemd units</para>
|
---|
[cba2d4e] | 625 | <indexterm zone="ch-system-systemd systemd-analyze">
|
---|
| 626 | <primary sortas="b-systemd-analyze">systemd-analyze</primary>
|
---|
| 627 | </indexterm>
|
---|
| 628 | </listitem>
|
---|
| 629 | </varlistentry>
|
---|
| 630 |
|
---|
| 631 | <varlistentry id="systemd-ask-password">
|
---|
| 632 | <term><command>systemd-ask-password</command></term>
|
---|
| 633 | <listitem>
|
---|
[6dfcfecc] | 634 | <para>Is used to query a system password or passphrase from the user,
|
---|
[1118b17] | 635 | using a question message specified on the command line</para>
|
---|
[cba2d4e] | 636 | <indexterm zone="ch-system-systemd systemd-ask-password">
|
---|
| 637 | <primary sortas="b-systemd-ask-password">systemd-ask-password</primary>
|
---|
| 638 | </indexterm>
|
---|
| 639 | </listitem>
|
---|
| 640 | </varlistentry>
|
---|
| 641 |
|
---|
| 642 | <varlistentry id="systemd-cat">
|
---|
| 643 | <term><command>systemd-cat</command></term>
|
---|
| 644 | <listitem>
|
---|
[6dfcfecc] | 645 | <para>Is used to connect the STDOUT and STDERR outputs of a process
|
---|
[4c8c128] | 646 | with the systemd journal
|
---|
[cba2d4e] | 647 | </para>
|
---|
| 648 | <indexterm zone="ch-system-systemd systemd-cat">
|
---|
| 649 | <primary sortas="b-systemd-cat">systemd-cat</primary>
|
---|
| 650 | </indexterm>
|
---|
| 651 | </listitem>
|
---|
| 652 | </varlistentry>
|
---|
| 653 |
|
---|
| 654 | <varlistentry id="systemd-cgls">
|
---|
| 655 | <term><command>systemd-cgls</command></term>
|
---|
| 656 | <listitem>
|
---|
[1118b17] | 657 | <para>Recursively shows the contents of the selected Linux control
|
---|
| 658 | group hierarchy in a tree</para>
|
---|
[cba2d4e] | 659 | <indexterm zone="ch-system-systemd systemd-cgls">
|
---|
| 660 | <primary sortas="b-systemd-cgls">systemd-cgls</primary>
|
---|
| 661 | </indexterm>
|
---|
| 662 | </listitem>
|
---|
| 663 | </varlistentry>
|
---|
| 664 |
|
---|
| 665 | <varlistentry id="systemd-cgtop">
|
---|
| 666 | <term><command>systemd-cgtop</command></term>
|
---|
| 667 | <listitem>
|
---|
[1118b17] | 668 | <para>Shows the top control groups of the local Linux control group
|
---|
| 669 | hierarchy, ordered by their CPU, memory and disk I/O load</para>
|
---|
[cba2d4e] | 670 | <indexterm zone="ch-system-systemd systemd-cgtop">
|
---|
| 671 | <primary sortas="b-systemd-cgtop">systemd-cgtop</primary>
|
---|
| 672 | </indexterm>
|
---|
| 673 | </listitem>
|
---|
| 674 | </varlistentry>
|
---|
| 675 |
|
---|
[d7a9421] | 676 | <varlistentry id="systemd-cryptenroll">
|
---|
| 677 | <term><command>systemd-cryptenroll</command></term>
|
---|
| 678 | <listitem>
|
---|
| 679 | <para>Is used to enroll or remove a system from full disk encryption,
|
---|
| 680 | as well as set and query private keys and recovery keys</para>
|
---|
| 681 | <indexterm zone="ch-system-systemd systemd-cryptenroll">
|
---|
| 682 | <primary sortas="b-systemd-cryptenroll">systemd-cryptenroll</primary>
|
---|
| 683 | </indexterm>
|
---|
| 684 | </listitem>
|
---|
| 685 | </varlistentry>
|
---|
| 686 |
|
---|
[cba2d4e] | 687 | <varlistentry id="systemd-delta">
|
---|
| 688 | <term><command>systemd-delta</command></term>
|
---|
| 689 | <listitem>
|
---|
[6dfcfecc] | 690 | <para>Is used to identify and compare configuration files in
|
---|
[cba2d4e] | 691 | <filename class="directory">/etc</filename> that override default
|
---|
[1118b17] | 692 | counterparts in <filename class="directory">/usr</filename></para>
|
---|
[cba2d4e] | 693 | <indexterm zone="ch-system-systemd systemd-delta">
|
---|
| 694 | <primary sortas="b-systemd-delta">systemd-delta</primary>
|
---|
| 695 | </indexterm>
|
---|
| 696 | </listitem>
|
---|
| 697 | </varlistentry>
|
---|
| 698 |
|
---|
| 699 | <varlistentry id="systemd-detect-virt">
|
---|
| 700 | <term><command>systemd-detect-virt</command></term>
|
---|
| 701 | <listitem>
|
---|
[6dfcfecc] | 702 | <para>Detects whether the system is being run in a virtual
|
---|
[4c8c128] | 703 | environment, and adjusts udev accordingly</para>
|
---|
[cba2d4e] | 704 | <indexterm zone="ch-system-systemd systemd-detect-virt">
|
---|
| 705 | <primary sortas="b-systemd-detect-virt">systemd-detect-virt</primary>
|
---|
| 706 | </indexterm>
|
---|
| 707 | </listitem>
|
---|
| 708 | </varlistentry>
|
---|
| 709 |
|
---|
[38de42d] | 710 | <varlistentry id="systemd-dissect">
|
---|
| 711 | <term><command>systemd-dissect</command></term>
|
---|
| 712 | <listitem>
|
---|
[4c8c128] | 713 | <para>Is used to inspect OS disk images</para>
|
---|
[38de42d] | 714 | <indexterm zone="ch-system-systemd systemd-dissect">
|
---|
| 715 | <primary sortas="b-systemd-dissect">systemd-dissect</primary>
|
---|
| 716 | </indexterm>
|
---|
| 717 | </listitem>
|
---|
| 718 | </varlistentry>
|
---|
| 719 |
|
---|
[1118b17] | 720 | <varlistentry id="systemd-escape">
|
---|
| 721 | <term><command>systemd-escape</command></term>
|
---|
| 722 | <listitem>
|
---|
[6dfcfecc] | 723 | <para>Is used to escape strings for inclusion in systemd unit
|
---|
[1118b17] | 724 | names</para>
|
---|
| 725 | <indexterm zone="ch-system-systemd systemd-escape">
|
---|
| 726 | <primary sortas="b-systemd-escape">systemd-escape</primary>
|
---|
| 727 | </indexterm>
|
---|
| 728 | </listitem>
|
---|
| 729 | </varlistentry>
|
---|
| 730 |
|
---|
| 731 | <varlistentry id="systemd-hwdb">
|
---|
| 732 | <term><command>systemd-hwdb</command></term>
|
---|
| 733 | <listitem>
|
---|
[6dfcfecc] | 734 | <para>Is used to manage the hardware database (hwdb)</para>
|
---|
[1118b17] | 735 | <indexterm zone="ch-system-systemd systemd-hwdb">
|
---|
| 736 | <primary sortas="b-systemd-hwdb">systemd-hwdb</primary>
|
---|
| 737 | </indexterm>
|
---|
| 738 | </listitem>
|
---|
| 739 | </varlistentry>
|
---|
| 740 |
|
---|
[78cc3be] | 741 | <varlistentry id="systemd-id128">
|
---|
| 742 | <term><command>systemd-id128</command></term>
|
---|
| 743 | <listitem>
|
---|
[6dfcfecc] | 744 | <para>Generates and prints id128 strings</para>
|
---|
[78cc3be] | 745 | <indexterm zone="ch-system-systemd systemd-id128">
|
---|
| 746 | <primary sortas="b-systemd-id128">systemd-id128</primary>
|
---|
| 747 | </indexterm>
|
---|
| 748 | </listitem>
|
---|
| 749 | </varlistentry>
|
---|
| 750 |
|
---|
[cba2d4e] | 751 | <varlistentry id="systemd-inhibit">
|
---|
| 752 | <term><command>systemd-inhibit</command></term>
|
---|
| 753 | <listitem>
|
---|
[6dfcfecc] | 754 | <para>Is used to execute a program with a shutdown, sleep or idle
|
---|
| 755 | inhibitor lock taken, preventing an action such as a system shutdown
|
---|
[4c8c128] | 756 | until the process is completed</para>
|
---|
[cba2d4e] | 757 | <indexterm zone="ch-system-systemd systemd-inhibit">
|
---|
| 758 | <primary sortas="b-systemd-inhibit">systemd-inhibit</primary>
|
---|
| 759 | </indexterm>
|
---|
| 760 | </listitem>
|
---|
| 761 | </varlistentry>
|
---|
| 762 |
|
---|
| 763 | <varlistentry id="systemd-machine-id-setup">
|
---|
| 764 | <term><command>systemd-machine-id-setup</command></term>
|
---|
| 765 | <listitem>
|
---|
[6dfcfecc] | 766 | <para>Is used by system installer tools to initialize the machine ID
|
---|
[1118b17] | 767 | stored in <filename>/etc/machine-id</filename> at install time with a
|
---|
| 768 | randomly generated ID</para>
|
---|
[cba2d4e] | 769 | <indexterm zone="ch-system-systemd systemd-machine-id-setup">
|
---|
| 770 | <primary sortas="b-systemd-machine-id-setup">systemd-machine-id-setup</primary>
|
---|
| 771 | </indexterm>
|
---|
| 772 | </listitem>
|
---|
| 773 | </varlistentry>
|
---|
| 774 |
|
---|
[13c8b42] | 775 | <varlistentry id="systemd-mount">
|
---|
| 776 | <term><command>systemd-mount</command></term>
|
---|
| 777 | <listitem>
|
---|
[4c8c128] | 778 | <para>Is used to temporarily mount or automount disks</para>
|
---|
[13c8b42] | 779 | <indexterm zone="ch-system-systemd systemd-mount">
|
---|
| 780 | <primary sortas="b-systemd-mount">systemd-mount</primary>
|
---|
| 781 | </indexterm>
|
---|
| 782 | </listitem>
|
---|
| 783 | </varlistentry>
|
---|
| 784 |
|
---|
[cba2d4e] | 785 | <varlistentry id="systemd-notify">
|
---|
| 786 | <term><command>systemd-notify</command></term>
|
---|
| 787 | <listitem>
|
---|
[6dfcfecc] | 788 | <para>Is used by daemon scripts to notify the init system about status
|
---|
[1118b17] | 789 | changes</para>
|
---|
[cba2d4e] | 790 | <indexterm zone="ch-system-systemd systemd-notify">
|
---|
| 791 | <primary sortas="b-systemd-notify">systemd-notify</primary>
|
---|
| 792 | </indexterm>
|
---|
| 793 | </listitem>
|
---|
| 794 | </varlistentry>
|
---|
| 795 |
|
---|
| 796 | <varlistentry id="systemd-nspawn">
|
---|
| 797 | <term><command>systemd-nspawn</command></term>
|
---|
| 798 | <listitem>
|
---|
[6dfcfecc] | 799 | <para>Is used to run a command or OS in a light-weight namespace
|
---|
[1118b17] | 800 | container</para>
|
---|
[cba2d4e] | 801 | <indexterm zone="ch-system-systemd systemd-nspawn">
|
---|
| 802 | <primary sortas="b-systemd-nspawn">systemd-nspawn</primary>
|
---|
| 803 | </indexterm>
|
---|
| 804 | </listitem>
|
---|
| 805 | </varlistentry>
|
---|
| 806 |
|
---|
[1118b17] | 807 | <varlistentry id="systemd-path">
|
---|
| 808 | <term><command>systemd-path</command></term>
|
---|
| 809 | <listitem>
|
---|
[6dfcfecc] | 810 | <para>Is used to query system and user paths</para>
|
---|
[1118b17] | 811 | <indexterm zone="ch-system-systemd systemd-path">
|
---|
| 812 | <primary sortas="b-systemd-path">systemd-path</primary>
|
---|
| 813 | </indexterm>
|
---|
| 814 | </listitem>
|
---|
| 815 | </varlistentry>
|
---|
| 816 |
|
---|
[d1fbbd0] | 817 | <varlistentry id="systemd-repart">
|
---|
| 818 | <term><command>systemd-repart</command></term>
|
---|
| 819 | <listitem>
|
---|
[6dfcfecc] | 820 | <para>Is used to grow and add partitions to a partition table when
|
---|
[4c8c128] | 821 | systemd is used in an OS image (e.g. a container)</para>
|
---|
[d1fbbd0] | 822 | <indexterm zone="ch-system-systemd systemd-repart">
|
---|
| 823 | <primary sortas="b-systemd-repart">systemd-repart</primary>
|
---|
| 824 | </indexterm>
|
---|
| 825 | </listitem>
|
---|
| 826 | </varlistentry>
|
---|
| 827 |
|
---|
[1118b17] | 828 | <varlistentry id="systemd-resolve">
|
---|
| 829 | <term><command>systemd-resolve</command></term>
|
---|
| 830 | <listitem>
|
---|
[6dfcfecc] | 831 | <para>Is used to resolve domain names, IPV4 and IPv6 addresses, DNS
|
---|
[1118b17] | 832 | resource records, and services</para>
|
---|
| 833 | <indexterm zone="ch-system-systemd systemd-resolve">
|
---|
| 834 | <primary sortas="b-systemd-resolve">systemd-resolve</primary>
|
---|
| 835 | </indexterm>
|
---|
| 836 | </listitem>
|
---|
| 837 | </varlistentry>
|
---|
| 838 |
|
---|
[cba2d4e] | 839 | <varlistentry id="systemd-run">
|
---|
| 840 | <term><command>systemd-run</command></term>
|
---|
| 841 | <listitem>
|
---|
[6dfcfecc] | 842 | <para>Is used to create and start a transient .service or a .scope
|
---|
| 843 | unit and run the specified command in it. This is useful for
|
---|
[4c8c128] | 844 | validating systemd units</para>
|
---|
[cba2d4e] | 845 | <indexterm zone="ch-system-systemd systemd-run">
|
---|
| 846 | <primary sortas="b-systemd-run">systemd-run</primary>
|
---|
| 847 | </indexterm>
|
---|
| 848 | </listitem>
|
---|
| 849 | </varlistentry>
|
---|
| 850 |
|
---|
[13c8b42] | 851 | <varlistentry id="systemd-socket-activate">
|
---|
| 852 | <term><command>systemd-socket-activate</command></term>
|
---|
| 853 | <listitem>
|
---|
[6dfcfecc] | 854 | <para>Is used to listen on socket devices and launch a process upon
|
---|
[4c8c128] | 855 | a successful connection to the socket</para>
|
---|
[13c8b42] | 856 | <indexterm zone="ch-system-systemd systemd-socket-activate">
|
---|
| 857 | <primary sortas="b-systemd-socket-activate">systemd-socket-activate</primary>
|
---|
| 858 | </indexterm>
|
---|
| 859 | </listitem>
|
---|
| 860 | </varlistentry>
|
---|
| 861 |
|
---|
[d7a9421] | 862 | <varlistentry id="systemd-sysext">
|
---|
| 863 | <term><command>systemd-sysext</command></term>
|
---|
| 864 | <listitem>
|
---|
[871fd2f] | 865 | <para>Activates system extension images</para>
|
---|
[d7a9421] | 866 | <indexterm zone="ch-system-systemd systemd-sysext">
|
---|
| 867 | <primary sortas="b-systemd-sysext">systemd-sysext</primary>
|
---|
| 868 | </indexterm>
|
---|
| 869 | </listitem>
|
---|
| 870 | </varlistentry>
|
---|
| 871 |
|
---|
[cba2d4e] | 872 | <varlistentry id="systemd-tmpfiles">
|
---|
| 873 | <term><command>systemd-tmpfiles</command></term>
|
---|
| 874 | <listitem>
|
---|
[1118b17] | 875 | <para>Creates, deletes and cleans up volatile and temporary files and
|
---|
| 876 | directories, based on the configuration file format and location
|
---|
| 877 | specified in
|
---|
| 878 | <filename class="directory">tmpfiles.d</filename> directories</para>
|
---|
[cba2d4e] | 879 | <indexterm zone="ch-system-systemd systemd-tmpfiles">
|
---|
| 880 | <primary sortas="b-systemd-tmpfiles">systemd-tmpfiles</primary>
|
---|
| 881 | </indexterm>
|
---|
| 882 | </listitem>
|
---|
| 883 | </varlistentry>
|
---|
| 884 |
|
---|
[78cc3be] | 885 | <varlistentry id="systemd-umount">
|
---|
| 886 | <term><command>systemd-umount</command></term>
|
---|
| 887 | <listitem>
|
---|
[6dfcfecc] | 888 | <para>Unmounts mount points</para>
|
---|
[78cc3be] | 889 | <indexterm zone="ch-system-systemd systemd-umount">
|
---|
| 890 | <primary sortas="b-systemd-umount">systemd-umount</primary>
|
---|
| 891 | </indexterm>
|
---|
| 892 | </listitem>
|
---|
| 893 | </varlistentry>
|
---|
| 894 |
|
---|
[cba2d4e] | 895 | <varlistentry id="systemd-tty-ask-password-agent">
|
---|
| 896 | <term><command>systemd-tty-ask-password-agent</command></term>
|
---|
| 897 | <listitem>
|
---|
[d672ab7] | 898 | <para>Is used to list and/or process pending systemd password
|
---|
[6dfcfecc] | 899 | requests</para>
|
---|
[cba2d4e] | 900 | <indexterm zone="ch-system-systemd systemd-tty-ask-password-agent">
|
---|
| 901 | <primary sortas="b-systemd-tty-ask-password-agent">systemd-tty-ask-password-agent</primary>
|
---|
| 902 | </indexterm>
|
---|
| 903 | </listitem>
|
---|
| 904 | </varlistentry>
|
---|
| 905 |
|
---|
| 906 | <varlistentry id="telinit">
|
---|
| 907 | <term><command>telinit</command></term>
|
---|
| 908 | <listitem>
|
---|
[1118b17] | 909 | <para>Tells <command>init</command> which run-level to change
|
---|
| 910 | to</para>
|
---|
[cba2d4e] | 911 | <indexterm zone="ch-system-systemd telinit">
|
---|
| 912 | <primary sortas="b-telinit">telinit</primary>
|
---|
| 913 | </indexterm>
|
---|
| 914 | </listitem>
|
---|
| 915 | </varlistentry>
|
---|
| 916 |
|
---|
| 917 | <varlistentry id="timedatectl">
|
---|
| 918 | <term><command>timedatectl</command></term>
|
---|
| 919 | <listitem>
|
---|
[6dfcfecc] | 920 | <para>Is used to query and change the system clock and its settings
|
---|
[cba2d4e] | 921 | </para>
|
---|
| 922 | <indexterm zone="ch-system-systemd timedatectl">
|
---|
| 923 | <primary sortas="b-timedatectl">timedatectl</primary>
|
---|
[f896e21c] | 924 | </indexterm>
|
---|
| 925 | </listitem>
|
---|
| 926 | </varlistentry>
|
---|
| 927 |
|
---|
| 928 | <varlistentry id="udevadm">
|
---|
| 929 | <term><command>udevadm</command></term>
|
---|
| 930 | <listitem>
|
---|
[d672ab7] | 931 | <para>Is a generic udev administration tool which controls the udevd
|
---|
| 932 | daemon, provides info from the Udev hardware database, monitors
|
---|
| 933 | uevents, waits for uevents to finish, tests udev configuration, and
|
---|
[6dfcfecc] | 934 | triggers uevents for a given device</para>
|
---|
[cba2d4e] | 935 | <indexterm zone="ch-system-systemd udevadm">
|
---|
[f896e21c] | 936 | <primary sortas="b-udevadm">udevadm</primary>
|
---|
| 937 | </indexterm>
|
---|
| 938 | </listitem>
|
---|
| 939 | </varlistentry>
|
---|
| 940 |
|
---|
[cba2d4e] | 941 | <varlistentry id="libsystemd">
|
---|
| 942 | <term><filename class="libraryfile">libsystemd</filename></term>
|
---|
[f896e21c] | 943 | <listitem>
|
---|
[6dfcfecc] | 944 | <para>Is the main systemd utility library</para>
|
---|
[cba2d4e] | 945 | <indexterm zone="ch-system-systemd libsystemd">
|
---|
| 946 | <primary sortas="c-libsystemd">libsystemd</primary>
|
---|
[f896e21c] | 947 | </indexterm>
|
---|
| 948 | </listitem>
|
---|
| 949 | </varlistentry>
|
---|
| 950 |
|
---|
| 951 | <varlistentry id="libudev">
|
---|
| 952 | <term><filename class="libraryfile">libudev</filename></term>
|
---|
| 953 | <listitem>
|
---|
[6dfcfecc] | 954 | <para>Is a library to access Udev device information</para>
|
---|
[cba2d4e] | 955 | <indexterm zone="ch-system-systemd libudev">
|
---|
[f896e21c] | 956 | <primary sortas="c-libudev">libudev</primary>
|
---|
| 957 | </indexterm>
|
---|
| 958 | </listitem>
|
---|
| 959 | </varlistentry>
|
---|
| 960 |
|
---|
| 961 | </variablelist>
|
---|
| 962 |
|
---|
| 963 | </sect2>
|
---|
| 964 |
|
---|
| 965 | </sect1>
|
---|