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https://git.linuxfromscratch.org/lfs.git
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git-svn-id: http://svn.linuxfromscratch.org/LFS/branches/cross-chap5@11844 4aa44e1e-78dd-0310-a6d2-fbcd4c07a689
831 lines
31 KiB
XML
831 lines
31 KiB
XML
<?xml version="1.0" encoding="ISO-8859-1"?>
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<!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
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"http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
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<!ENTITY % general-entities SYSTEM "../general.ent">
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%general-entities;
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]>
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<sect1 id="ch-system-systemd" role="wrap" revision="systemd">
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<?dbhtml filename="systemd.html"?>
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<sect1info condition="script">
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<productname>systemd</productname>
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<productnumber>&systemd-version;</productnumber>
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<address>&systemd-url;</address>
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</sect1info>
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<title>Systemd-&systemd-version;</title>
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<indexterm zone="ch-system-systemd">
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<primary sortas="a-systemd">systemd</primary>
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</indexterm>
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<sect2 role="package">
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<title/>
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<para>The systemd package contains programs for controlling the startup,
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running, and shutdown of the system.</para>
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<segmentedlist>
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<segtitle>&buildtime;</segtitle>
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<segtitle>&diskspace;</segtitle>
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<seglistitem>
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<seg>&systemd-ch6-sbu;</seg>
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<seg>&systemd-ch6-du;</seg>
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</seglistitem>
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</segmentedlist>
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</sect2>
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<sect2 role="installation">
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<title>Installation of systemd</title>
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<!--
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<para>First, apply a patch to fix various bugs since the release
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of systemd-243.</para>
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<screen><userinput remap="pre">patch -Np1 -i ../systemd-&systemd-version;-consolidated_fixes-2.patch</userinput></screen>
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-->
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<para>Create a symlink to work around missing xsltproc:</para>
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<screen><userinput remap="pre">ln -sf /bin/true /usr/bin/xsltproc</userinput></screen>
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<para>Set up the man pages:</para>
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<screen><userinput remap="pre">tar -xf ../systemd-man-pages-&systemd-version;.tar.xz</userinput></screen>
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<para>Remove tests that cannot be built in chroot:</para>
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<screen><userinput remap="pre">sed '179,$ d' -i src/resolve/meson.build</userinput></screen>
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<para>Remove an unneeded group,
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<systemitem class="groupname">render</systemitem>, from the default udev
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rules:</para>
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<screen><userinput remap="pre">sed -i 's/GROUP="render", //' rules.d/50-udev-default.rules.in</userinput></screen>
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<para>Prepare systemd for compilation:</para>
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<screen><userinput remap="configure">mkdir -p build
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cd build
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LANG=en_US.UTF-8 \
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meson --prefix=/usr \
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--sysconfdir=/etc \
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--localstatedir=/var \
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-Dc_args=-Wno-format-overflow \
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-Dblkid=true \
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-Dbuildtype=release \
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-Ddefault-dnssec=no \
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-Dfirstboot=false \
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-Dinstall-tests=false \
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-Dkmod-path=/bin/kmod \
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-Dldconfig=false \
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-Dmount-path=/bin/mount \
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-Drootprefix= \
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-Drootlibdir=/lib \
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-Dsplit-usr=true \
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-Dsulogin-path=/sbin/sulogin \
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-Dsysusers=false \
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-Dumount-path=/bin/umount \
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-Db_lto=false \
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-Drpmmacrosdir=no \
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-Dhomed=false \
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-Duserdb=false \
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-Dman=true \
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..</userinput></screen>
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<variablelist>
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<title>The meaning of the meson options:</title>
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<varlistentry>
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<term><parameter>-Dc_args=-Wno-format-overflow</parameter></term>
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<listitem>
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<para>The defaults flags passed to gcc contain
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<parameter>-Werror=format-overflow</parameter>, which generates
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an error with GCC 10. Passing this parameter prevents the error
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from occuring.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><parameter>-D*-path=*</parameter></term>
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<listitem>
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<para>These switches provide location of binaries needed by
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systemd at runtime that have not yet been installed.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><parameter>-Ddefault-dnssec=no</parameter></term>
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<listitem>
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<para>This switch turns off the experimental DNSSEC support.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><parameter>-Dfirstboot=false</parameter></term>
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<listitem>
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<para>This switch prevents installation of systemd
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services responsible for setting up the system for
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the first time. They are not useful for LFS because
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everything is done manually.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><parameter>-Dinstall-tests=false</parameter></term>
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<listitem>
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<para>This switch prevents installation of the compiled tests.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><parameter>-Dldconfig=false</parameter></term>
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<listitem>
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<para>This switch prevents installation of a systemd unit that runs
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<command>ldconfig</command> at boot, which is not useful for source
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distributions such as LFS and makes the boot time longer. Remove it
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if the described feature is desired.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><parameter>-Droot*</parameter></term>
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<listitem>
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<para>These switches ensure that core programs and
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shared libraries are installed in the subdirectories
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of the root partition.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><parameter>-Dsplit-usr=true</parameter></term>
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<listitem>
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<para>This switch ensures that systemd will work on
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systems where /bin, /lib and /sbin directories are not
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symlinks to their /usr counterparts.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><parameter>-Dsysusers=false</parameter></term>
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<listitem>
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<para>This switch prevents installation of systemd
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services responsible for setting up the
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<filename>/etc/group</filename> and
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<filename>/etc/passwd</filename> files. Both files
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were created earlier in this chapter.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><parameter>-Drpmmacrosdir=no</parameter></term>
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<listitem>
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<para>This switch disables installation of RPM Macros
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for use with systemd because LFS does not support RPM.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><parameter>-D{userdb,homed}=false</parameter></term>
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<listitem>
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<para>Remove two daemons that have dependencies that do not fit
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the scope of LFS.</para>
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</listitem>
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</varlistentry>
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</variablelist>
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<para>Compile the package:</para>
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<screen><userinput remap="make">LANG=en_US.UTF-8 ninja</userinput></screen>
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<!--
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<para>To test the package, execute the following command:</para>
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<screen><userinput remap="test">LANG=en_US.UTF-8 ninja test</userinput></screen>
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-->
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<para>Install the package:</para>
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<screen><userinput remap="install">LANG=en_US.UTF-8 ninja install</userinput></screen>
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<para>Remove an unnecessary symbolic link:</para>
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<screen><userinput remap="install">rm -f /usr/bin/xsltproc</userinput></screen>
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<para>Create the <filename>/etc/machine-id</filename> file needed by
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<command>systemd-journald</command>:</para>
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<screen><userinput remap="adjust">systemd-machine-id-setup</userinput></screen>
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<para>Setup the basic target structure:</para>
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<screen><userinput remap="adjust">systemctl preset-all</userinput></screen>
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<para>Disable a service that is known to cause problems with systems that
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use a network configuration other than what is provided by
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systemd-networkd:</para>
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<!-- Observed halting startup with dhcpcd handling the primary NIC -->
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<screen><userinput remap="adjust">systemctl disable systemd-time-wait-sync.service</userinput></screen>
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<para>Prevent systemd from resetting the maximum PID value which causes
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some problems with packages and units in BLFS:</para>
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<screen><userinput remap="adjust">rm -f /usr/lib/sysctl.d/50-pid-max.conf</userinput></screen>
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<!--
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<para>Prevent systemd from creating <filename>/run/nologin</filename>
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to allow unprivileged user logins without
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<application>systemd-logind</application>:</para>
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<screen><userinput remap="adjust">rm -f /usr/lib/tmpfiles.d/systemd-nologin.conf</userinput></screen>
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-->
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</sect2>
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<sect2 id="contents-systemd" role="content">
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<title>Contents of systemd</title>
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<segmentedlist>
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<segtitle>Installed programs</segtitle>
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<segtitle>Installed libraries</segtitle>
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<segtitle>Installed directories</segtitle>
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<seglistitem>
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<seg>bootctl, busctl, coredumpctl, halt (symlink to systemctl),
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hostnamectl, init, journalctl, kernel-install, localectl, loginctl,
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machinectl, networkctl, portablectl, poweroff (symlink to
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systemctl), reboot (symlink to systemctl), resolvconf (symlink to
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resolvectl), resolvectl, runlevel (symlink to systemctl), shutdown
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(symlink to systemctl), systemctl, systemd-analyze,
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systemd-ask-password, systemd-cat, systemd-cgls, systemd-cgtop,
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systemd-delta, systemd-detect-virt, systemd-escape, systemd-hwdb,
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systemd-id128, systemd-inhibit, systemd-machine-id-setup,
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systemd-mount, systemd-notify, systemd-nspawn, systemd-path,
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systemd-repart, systemd-resolve (symlink to resolvectl), systemd-run,
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systemd-socket-activate, systemd-stdio-bridge, systemd-tmpfiles,
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systemd-tty-ask-password-agent, systemd-umount (symlink to
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systemd-mount), telinit (symlink to systemctl), timedatectl, and
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udevadm</seg>
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<seg>libnss_myhostname.so.2, libnss_mymachines.so.2,
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libnss_resolve.so.2, libnss_systemd.so.2,
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libsystemd.so, libsystemd-shared-&systemd-version;.so (in /lib/systemd),
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and libudev.so</seg>
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<seg>/etc/binfmt.d, /etc/init.d, /etc/kernel, /etc/modules-load.d,
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/etc/sysctl.d, /etc/systemd, /etc/tmpfiles.d, /etc/udev,
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/etc/xdg/systemd, /lib/systemd, /lib/udev, /usr/include/systemd,
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/usr/lib/binfmt.d, /usr/lib/kernel, /usr/lib/modules-load.d,
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/usr/lib/sysctl.d, /usr/lib/systemd, /usr/lib/tmpfiles.d,
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/usr/share/doc/systemd-&systemd-version;, /usr/share/factory,
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/usr/share/systemd, /var/lib/systemd, and /var/log/journal</seg>
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</seglistitem>
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</segmentedlist>
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<variablelist>
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<bridgehead renderas="sect3">Short Descriptions</bridgehead>
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<?dbfo list-presentation="list"?>
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<?dbhtml list-presentation="table"?>
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<varlistentry id="bootctl">
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<term><command>bootctl</command></term>
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<listitem>
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<para>Used to query the firmware and boot manager settings</para>
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<indexterm zone="ch-system-systemd bootctl">
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<primary sortas="b-bootctl">bootctl</primary>
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</indexterm>
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</listitem>
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</varlistentry>
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<varlistentry id="busctl">
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<term><command>busctl</command></term>
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<listitem>
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<para>Used to introspect and monitor the D-Bus bus</para>
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<indexterm zone="ch-system-systemd busctl">
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<primary sortas="b-busctl">busctl</primary>
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</indexterm>
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</listitem>
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</varlistentry>
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<varlistentry id="coredumpctl">
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<term><command>coredumpctl</command></term>
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<listitem>
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<para>Used to retrieve coredumps from the systemd journal</para>
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<indexterm zone="ch-system-systemd coredumpctl">
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<primary sortas="b-coredumpctl">coredumpctl</primary>
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</indexterm>
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</listitem>
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</varlistentry>
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<varlistentry id="halt">
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<term><command>halt</command></term>
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<listitem>
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<para>Normally invokes <command>shutdown</command> with the
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<parameter>-h</parameter> option, except when already in run-level 0,
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then it tells the kernel to halt the system; it notes in the
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file <filename>/var/log/wtmp</filename> that the system is being
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brought down</para>
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<indexterm zone="ch-system-systemd halt">
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<primary sortas="b-halt">halt</primary>
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</indexterm>
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</listitem>
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</varlistentry>
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<varlistentry id="hostnamectl">
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<term><command>hostnamectl</command></term>
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<listitem>
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<para>Used to query and change the system hostname and related
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settings</para>
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<indexterm zone="ch-system-systemd hostnamectl">
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<primary sortas="b-hostnamectl">hostnamectl</primary>
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</indexterm>
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</listitem>
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</varlistentry>
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<varlistentry id="init">
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<term><command>init</command></term>
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<listitem>
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<para>The first process to be started when the kernel has initialized
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the hardware which takes over the boot process and starts all
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processes according to its configuration files</para>
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<indexterm zone="ch-system-systemd init">
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<primary sortas="b-init">init</primary>
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</indexterm>
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</listitem>
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</varlistentry>
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<varlistentry id="journalctl">
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<term><command>journalctl</command></term>
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<listitem>
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<para>Used to query the contents of the systemd journal</para>
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<indexterm zone="ch-system-systemd journalctl">
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<primary sortas="b-journalctl">journalctl</primary>
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</indexterm>
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</listitem>
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</varlistentry>
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<varlistentry id="kernel-install">
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<term><command>kernel-install</command></term>
|
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<listitem>
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<para>Used to add and remove kernel and initramfs images to and
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from /boot</para>
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<indexterm zone="ch-system-systemd kernel-install">
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<primary sortas="b-kernel-install">kernel-install</primary>
|
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</indexterm>
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</listitem>
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</varlistentry>
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<varlistentry id="localectl">
|
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<term><command>localectl</command></term>
|
|
<listitem>
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<para>Used to query and change the system locale and keyboard layout
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settings</para>
|
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<indexterm zone="ch-system-systemd localectl">
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<primary sortas="b-localectl">localectl</primary>
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</indexterm>
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</listitem>
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</varlistentry>
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<varlistentry id="loginctl">
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<term><command>loginctl</command></term>
|
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<listitem>
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<para>Used to introspect and control the state of the systemd Login
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Manager</para>
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<indexterm zone="ch-system-systemd loginctl">
|
|
<primary sortas="b-loginctl">loginctl</primary>
|
|
</indexterm>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry id="machinectl">
|
|
<term><command>machinectl</command></term>
|
|
<listitem>
|
|
<para>Used to introspect and control the state of the systemd Virtual
|
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Machine and Container Registration Manager</para>
|
|
<indexterm zone="ch-system-systemd machinectl">
|
|
<primary sortas="b-machinectl">machinectl</primary>
|
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</indexterm>
|
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</listitem>
|
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</varlistentry>
|
|
|
|
<varlistentry id="networkctl">
|
|
<term><command>networkctl</command></term>
|
|
<listitem>
|
|
<para>Used to introspect the state of the network links as seen by
|
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systemd-networkd</para>
|
|
<indexterm zone="ch-system-systemd networkctl">
|
|
<primary sortas="b-networkctl">networkctl</primary>
|
|
</indexterm>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry id="portablectl">
|
|
<term><command>portablectl</command></term>
|
|
<listitem>
|
|
<para>Used to attach or detach portable services from the local
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|
system</para>
|
|
<indexterm zone="ch-system-systemd portablectl">
|
|
<primary sortas="b-portablectl">portablectl</primary>
|
|
</indexterm>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry id="poweroff">
|
|
<term><command>poweroff</command></term>
|
|
<listitem>
|
|
<para>Tells the kernel to halt the system and switch off the computer
|
|
(see <command>halt</command>)</para>
|
|
<indexterm zone="ch-system-systemd poweroff">
|
|
<primary sortas="b-poweroff">poweroff</primary>
|
|
</indexterm>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry id="reboot">
|
|
<term><command>reboot</command></term>
|
|
<listitem>
|
|
<para>Tells the kernel to reboot the system (see
|
|
<command>halt</command>)</para>
|
|
<indexterm zone="ch-system-systemd reboot">
|
|
<primary sortas="b-reboot">reboot</primary>
|
|
</indexterm>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry id="resolvconf">
|
|
<term><command>resolvconf</command></term>
|
|
<listitem>
|
|
<para>Register DNS server and domain configuration with
|
|
<command>systemd-resolved</command></para>
|
|
<indexterm zone="ch-system-systemd resolvconf">
|
|
<primary sortas="b-resolvconf">resolvconf</primary>
|
|
</indexterm>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry id="resolvectl">
|
|
<term><command>resolvectl</command></term>
|
|
<listitem>
|
|
<para>Send control commands to the network name resolution
|
|
manager, or resolve domain names, IPv4 and IPv6 addresses,
|
|
DNS records, and services.</para>
|
|
<indexterm zone="ch-system-systemd resolvectl">
|
|
<primary sortas="b-resolvectl">resolvectl</primary>
|
|
</indexterm>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry id="runlevel">
|
|
<term><command>runlevel</command></term>
|
|
<listitem>
|
|
<para>Reports the previous and the current run-level, as noted in the
|
|
last run-level record in <filename>/var/run/utmp</filename></para>
|
|
<indexterm zone="ch-system-systemd runlevel">
|
|
<primary sortas="b-runlevel">runlevel</primary>
|
|
</indexterm>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry id="shutdown">
|
|
<term><command>shutdown</command></term>
|
|
<listitem>
|
|
<para>Brings the system down in a secure way, signaling all processes
|
|
and notifying all logged-in users</para>
|
|
<indexterm zone="ch-system-systemd shutdown">
|
|
<primary sortas="b-shutdown">shutdown</primary>
|
|
</indexterm>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry id="systemctl">
|
|
<term><command>systemctl</command></term>
|
|
<listitem>
|
|
<para>Used to introspect and control the state of the systemd system
|
|
and service manager</para>
|
|
<indexterm zone="ch-system-systemd systemctl">
|
|
<primary sortas="b-systemctl">systemctl</primary>
|
|
</indexterm>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry id="systemd-analyze">
|
|
<term><command>systemd-analyze</command></term>
|
|
<listitem>
|
|
<para>Used to determine system boot-up performance of the current
|
|
boot</para>
|
|
<indexterm zone="ch-system-systemd systemd-analyze">
|
|
<primary sortas="b-systemd-analyze">systemd-analyze</primary>
|
|
</indexterm>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry id="systemd-ask-password">
|
|
<term><command>systemd-ask-password</command></term>
|
|
<listitem>
|
|
<para>Used to query a system password or passphrase from the user,
|
|
using a question message specified on the command line</para>
|
|
<indexterm zone="ch-system-systemd systemd-ask-password">
|
|
<primary sortas="b-systemd-ask-password">systemd-ask-password</primary>
|
|
</indexterm>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry id="systemd-cat">
|
|
<term><command>systemd-cat</command></term>
|
|
<listitem>
|
|
<para>Used to connect STDOUT and STDERR of a process with the Journal
|
|
</para>
|
|
<indexterm zone="ch-system-systemd systemd-cat">
|
|
<primary sortas="b-systemd-cat">systemd-cat</primary>
|
|
</indexterm>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry id="systemd-cgls">
|
|
<term><command>systemd-cgls</command></term>
|
|
<listitem>
|
|
<para>Recursively shows the contents of the selected Linux control
|
|
group hierarchy in a tree</para>
|
|
<indexterm zone="ch-system-systemd systemd-cgls">
|
|
<primary sortas="b-systemd-cgls">systemd-cgls</primary>
|
|
</indexterm>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry id="systemd-cgtop">
|
|
<term><command>systemd-cgtop</command></term>
|
|
<listitem>
|
|
<para>Shows the top control groups of the local Linux control group
|
|
hierarchy, ordered by their CPU, memory and disk I/O load</para>
|
|
<indexterm zone="ch-system-systemd systemd-cgtop">
|
|
<primary sortas="b-systemd-cgtop">systemd-cgtop</primary>
|
|
</indexterm>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry id="systemd-delta">
|
|
<term><command>systemd-delta</command></term>
|
|
<listitem>
|
|
<para>Used to identify and compare configuration files in
|
|
<filename class="directory">/etc</filename> that override default
|
|
counterparts in <filename class="directory">/usr</filename></para>
|
|
<indexterm zone="ch-system-systemd systemd-delta">
|
|
<primary sortas="b-systemd-delta">systemd-delta</primary>
|
|
</indexterm>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry id="systemd-detect-virt">
|
|
<term><command>systemd-detect-virt</command></term>
|
|
<listitem>
|
|
<para>Detects execution in a virtualized environment</para>
|
|
<indexterm zone="ch-system-systemd systemd-detect-virt">
|
|
<primary sortas="b-systemd-detect-virt">systemd-detect-virt</primary>
|
|
</indexterm>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry id="systemd-escape">
|
|
<term><command>systemd-escape</command></term>
|
|
<listitem>
|
|
<para>Used to escape strings for inclusion in systemd unit
|
|
names</para>
|
|
<indexterm zone="ch-system-systemd systemd-escape">
|
|
<primary sortas="b-systemd-escape">systemd-escape</primary>
|
|
</indexterm>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry id="systemd-hwdb">
|
|
<term><command>systemd-hwdb</command></term>
|
|
<listitem>
|
|
<para>Used to manage hardware database (hwdb)</para>
|
|
<indexterm zone="ch-system-systemd systemd-hwdb">
|
|
<primary sortas="b-systemd-hwdb">systemd-hwdb</primary>
|
|
</indexterm>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry id="systemd-id128">
|
|
<term><command>systemd-id128</command></term>
|
|
<listitem>
|
|
<para>Generate and print id128 strings</para>
|
|
<indexterm zone="ch-system-systemd systemd-id128">
|
|
<primary sortas="b-systemd-id128">systemd-id128</primary>
|
|
</indexterm>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry id="systemd-inhibit">
|
|
<term><command>systemd-inhibit</command></term>
|
|
<listitem>
|
|
<para>Used to execute a program with a shutdown, sleep or idle
|
|
inhibitor lock taken</para>
|
|
<indexterm zone="ch-system-systemd systemd-inhibit">
|
|
<primary sortas="b-systemd-inhibit">systemd-inhibit</primary>
|
|
</indexterm>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry id="systemd-machine-id-setup">
|
|
<term><command>systemd-machine-id-setup</command></term>
|
|
<listitem>
|
|
<para>Used by system installer tools to initialize the machine ID
|
|
stored in <filename>/etc/machine-id</filename> at install time with a
|
|
randomly generated ID</para>
|
|
<indexterm zone="ch-system-systemd systemd-machine-id-setup">
|
|
<primary sortas="b-systemd-machine-id-setup">systemd-machine-id-setup</primary>
|
|
</indexterm>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry id="systemd-mount">
|
|
<term><command>systemd-mount</command></term>
|
|
<listitem>
|
|
<para>A tool to temporarily mount or auto-mount a drive.</para>
|
|
<indexterm zone="ch-system-systemd systemd-mount">
|
|
<primary sortas="b-systemd-mount">systemd-mount</primary>
|
|
</indexterm>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry id="systemd-notify">
|
|
<term><command>systemd-notify</command></term>
|
|
<listitem>
|
|
<para>Used by daemon scripts to notify the init system about status
|
|
changes</para>
|
|
<indexterm zone="ch-system-systemd systemd-notify">
|
|
<primary sortas="b-systemd-notify">systemd-notify</primary>
|
|
</indexterm>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry id="systemd-nspawn">
|
|
<term><command>systemd-nspawn</command></term>
|
|
<listitem>
|
|
<para>Used to run a command or OS in a light-weight namespace
|
|
container</para>
|
|
<indexterm zone="ch-system-systemd systemd-nspawn">
|
|
<primary sortas="b-systemd-nspawn">systemd-nspawn</primary>
|
|
</indexterm>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry id="systemd-path">
|
|
<term><command>systemd-path</command></term>
|
|
<listitem>
|
|
<para>Used to query system and user paths</para>
|
|
<indexterm zone="ch-system-systemd systemd-path">
|
|
<primary sortas="b-systemd-path">systemd-path</primary>
|
|
</indexterm>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry id="systemd-repart">
|
|
<term><command>systemd-repart</command></term>
|
|
<listitem>
|
|
<para>Used go grow and add partitions to a partition table when
|
|
systemd is used in an OS image (e.g. a container).</para>
|
|
<indexterm zone="ch-system-systemd systemd-repart">
|
|
<primary sortas="b-systemd-repart">systemd-repart</primary>
|
|
</indexterm>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry id="systemd-resolve">
|
|
<term><command>systemd-resolve</command></term>
|
|
<listitem>
|
|
<para>Used to resolve domain names, IPV4 and IPv6 addresses, DNS
|
|
resource records, and services</para>
|
|
<indexterm zone="ch-system-systemd systemd-resolve">
|
|
<primary sortas="b-systemd-resolve">systemd-resolve</primary>
|
|
</indexterm>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry id="systemd-run">
|
|
<term><command>systemd-run</command></term>
|
|
<listitem>
|
|
<para>Used to create and start a transient .service or a .scope unit
|
|
and run the specified command in it</para>
|
|
<indexterm zone="ch-system-systemd systemd-run">
|
|
<primary sortas="b-systemd-run">systemd-run</primary>
|
|
</indexterm>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
<!-- <varlistentry id="systemd-stdio-bridge">
|
|
<term><command>systemd-stdio-bridge</command></term>
|
|
<listitem>
|
|
<para>To be completed</para>
|
|
<indexterm zone="ch-system-systemd systemd-stdio-bridge">
|
|
<primary sortas="b-systemd-stdio-bridge">systemd-stdio-bridge</primary>
|
|
</indexterm>
|
|
</listitem>
|
|
</varlistentry> -->
|
|
|
|
<varlistentry id="systemd-socket-activate">
|
|
<term><command>systemd-socket-activate</command></term>
|
|
<listitem>
|
|
<para>A tool to listen on socket devices and launch a process upon
|
|
connection.</para>
|
|
<indexterm zone="ch-system-systemd systemd-socket-activate">
|
|
<primary sortas="b-systemd-socket-activate">systemd-socket-activate</primary>
|
|
</indexterm>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry id="systemd-tmpfiles">
|
|
<term><command>systemd-tmpfiles</command></term>
|
|
<listitem>
|
|
<para>Creates, deletes and cleans up volatile and temporary files and
|
|
directories, based on the configuration file format and location
|
|
specified in
|
|
<filename class="directory">tmpfiles.d</filename> directories</para>
|
|
<indexterm zone="ch-system-systemd systemd-tmpfiles">
|
|
<primary sortas="b-systemd-tmpfiles">systemd-tmpfiles</primary>
|
|
</indexterm>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry id="systemd-umount">
|
|
<term><command>systemd-umount</command></term>
|
|
<listitem>
|
|
<para>Unmount mount points</para>
|
|
<indexterm zone="ch-system-systemd systemd-umount">
|
|
<primary sortas="b-systemd-umount">systemd-umount</primary>
|
|
</indexterm>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry id="systemd-tty-ask-password-agent">
|
|
<term><command>systemd-tty-ask-password-agent</command></term>
|
|
<listitem>
|
|
<para>Used to list or process pending systemd password requests</para>
|
|
<indexterm zone="ch-system-systemd systemd-tty-ask-password-agent">
|
|
<primary sortas="b-systemd-tty-ask-password-agent">systemd-tty-ask-password-agent</primary>
|
|
</indexterm>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry id="telinit">
|
|
<term><command>telinit</command></term>
|
|
<listitem>
|
|
<para>Tells <command>init</command> which run-level to change
|
|
to</para>
|
|
<indexterm zone="ch-system-systemd telinit">
|
|
<primary sortas="b-telinit">telinit</primary>
|
|
</indexterm>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry id="timedatectl">
|
|
<term><command>timedatectl</command></term>
|
|
<listitem>
|
|
<para>Used to query and change the system clock and its settings
|
|
</para>
|
|
<indexterm zone="ch-system-systemd timedatectl">
|
|
<primary sortas="b-timedatectl">timedatectl</primary>
|
|
</indexterm>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry id="udevadm">
|
|
<term><command>udevadm</command></term>
|
|
<listitem>
|
|
<para>Generic udev administration tool: controls the udevd daemon,
|
|
provides info from the Udev database, monitors uevents, waits for
|
|
uevents to finish, tests udev configuration, and triggers uevents
|
|
for a given device</para>
|
|
<indexterm zone="ch-system-systemd udevadm">
|
|
<primary sortas="b-udevadm">udevadm</primary>
|
|
</indexterm>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry id="libsystemd">
|
|
<term><filename class="libraryfile">libsystemd</filename></term>
|
|
<listitem>
|
|
<para>The main systemd utility library</para>
|
|
<indexterm zone="ch-system-systemd libsystemd">
|
|
<primary sortas="c-libsystemd">libsystemd</primary>
|
|
</indexterm>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry id="libudev">
|
|
<term><filename class="libraryfile">libudev</filename></term>
|
|
<listitem>
|
|
<para>A library to access Udev device information</para>
|
|
<indexterm zone="ch-system-systemd libudev">
|
|
<primary sortas="c-libudev">libudev</primary>
|
|
</indexterm>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
</variablelist>
|
|
|
|
</sect2>
|
|
|
|
</sect1>
|