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diff --git a/chapter06/systemd.xml b/chapter06/systemd.xml deleted file mode 100644 index 2cf2d1d1b..000000000 --- a/chapter06/systemd.xml +++ /dev/null @@ -1,830 +0,0 @@ -<?xml version="1.0" encoding="ISO-8859-1"?> -<!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN" - "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [ - <!ENTITY % general-entities SYSTEM "../general.ent"> - %general-entities; -]> - -<sect1 id="ch-system-systemd" role="wrap" revision="systemd"> - <?dbhtml filename="systemd.html"?> - - <sect1info condition="script"> - <productname>systemd</productname> - <productnumber>&systemd-version;</productnumber> - <address>&systemd-url;</address> - </sect1info> - - <title>Systemd-&systemd-version;</title> - - <indexterm zone="ch-system-systemd"> - <primary sortas="a-systemd">systemd</primary> - </indexterm> - - <sect2 role="package"> - <title/> - - <para>The systemd package contains programs for controlling the startup, - running, and shutdown of the system.</para> - - <segmentedlist> - <segtitle>&buildtime;</segtitle> - <segtitle>&diskspace;</segtitle> - - <seglistitem> - <seg>&systemd-ch6-sbu;</seg> - <seg>&systemd-ch6-du;</seg> - </seglistitem> - </segmentedlist> - </sect2> - - <sect2 role="installation"> - <title>Installation of systemd</title> - - <para>First, apply a patch to fix the build with GCC-10:</para> - -<screen><userinput remap="pre">patch -Np1 -i ../systemd-&systemd-version;-gcc_10-fixes-1.patch</userinput></screen> - - - <para>Create a symlink to work around missing xsltproc:</para> - -<screen><userinput remap="pre">ln -sf /bin/true /usr/bin/xsltproc</userinput></screen> - - <para>Set up the man pages:</para> - -<screen><userinput remap="pre">tar -xf ../systemd-man-pages-&systemd-version;.tar.xz</userinput></screen> - - <para>Remove tests that cannot be built in chroot:</para> - -<screen><userinput remap="pre">sed '179,$ d' -i src/resolve/meson.build</userinput></screen> - - <para>Remove an unneeded group, - <systemitem class="groupname">render</systemitem>, from the default udev - rules:</para> - -<screen><userinput remap="pre">sed -i 's/GROUP="render", //' rules.d/50-udev-default.rules.in</userinput></screen> - - <para>Prepare systemd for compilation:</para> - -<screen><userinput remap="configure">mkdir -p build -cd build - -LANG=en_US.UTF-8 \ -meson --prefix=/usr \ - --sysconfdir=/etc \ - --localstatedir=/var \ - -Dblkid=true \ - -Dbuildtype=release \ - -Ddefault-dnssec=no \ - -Dfirstboot=false \ - -Dinstall-tests=false \ - -Dkmod-path=/bin/kmod \ - -Dldconfig=false \ - -Dmount-path=/bin/mount \ - -Drootprefix= \ - -Drootlibdir=/lib \ - -Dsplit-usr=true \ - -Dsulogin-path=/sbin/sulogin \ - -Dsysusers=false \ - -Dumount-path=/bin/umount \ - -Db_lto=false \ - -Drpmmacrosdir=no \ - -Dhomed=false \ - -Duserdb=false \ - -Dman=true \ - ..</userinput></screen> - - <variablelist> - <title>The meaning of the meson options:</title> - -<!-- - <varlistentry> - <term><parameter>-Dc_args=-Wno-format-overflow</parameter></term> - <listitem> - <para>The defaults flags passed to gcc contain - <parameter>-Werror=format-overflow</parameter>, which generates - an error with GCC 10. Passing this parameter prevents the error - from occuring.</para> - </listitem> - </varlistentry> ---> - - <varlistentry> - <term><parameter>-D*-path=*</parameter></term> - <listitem> - <para>These switches provide location of binaries needed by - systemd at runtime that have not yet been installed.</para> - </listitem> - </varlistentry> - - <varlistentry> - <term><parameter>-Ddefault-dnssec=no</parameter></term> - <listitem> - <para>This switch turns off the experimental DNSSEC support.</para> - </listitem> - </varlistentry> - - <varlistentry> - <term><parameter>-Dfirstboot=false</parameter></term> - <listitem> - <para>This switch prevents installation of systemd - services responsible for setting up the system for - the first time. They are not useful for LFS because - everything is done manually.</para> - </listitem> - </varlistentry> - - <varlistentry> - <term><parameter>-Dinstall-tests=false</parameter></term> - <listitem> - <para>This switch prevents installation of the compiled tests.</para> - </listitem> - </varlistentry> - - <varlistentry> - <term><parameter>-Dldconfig=false</parameter></term> - <listitem> - <para>This switch prevents installation of a systemd unit that runs - <command>ldconfig</command> at boot, which is not useful for source - distributions such as LFS and makes the boot time longer. Remove it - if the described feature is desired.</para> - </listitem> - </varlistentry> - - <varlistentry> - <term><parameter>-Droot*</parameter></term> - <listitem> - <para>These switches ensure that core programs and - shared libraries are installed in the subdirectories - of the root partition.</para> - </listitem> - </varlistentry> - - <varlistentry> - <term><parameter>-Dsplit-usr=true</parameter></term> - <listitem> - <para>This switch ensures that systemd will work on - systems where /bin, /lib and /sbin directories are not - symlinks to their /usr counterparts.</para> - </listitem> - </varlistentry> - - <varlistentry> - <term><parameter>-Dsysusers=false</parameter></term> - <listitem> - <para>This switch prevents installation of systemd - services responsible for setting up the - <filename>/etc/group</filename> and - <filename>/etc/passwd</filename> files. Both files - were created earlier in this chapter.</para> - </listitem> - </varlistentry> - - <varlistentry> - <term><parameter>-Drpmmacrosdir=no</parameter></term> - <listitem> - <para>This switch disables installation of RPM Macros - for use with systemd because LFS does not support RPM.</para> - </listitem> - </varlistentry> - - <varlistentry> - <term><parameter>-D{userdb,homed}=false</parameter></term> - <listitem> - <para>Remove two daemons that have dependencies that do not fit - the scope of LFS.</para> - </listitem> - </varlistentry> - - </variablelist> - - <para>Compile the package:</para> - -<screen><userinput remap="make">LANG=en_US.UTF-8 ninja</userinput></screen> -<!-- - <para>To test the package, execute the following command:</para> - -<screen><userinput remap="test">LANG=en_US.UTF-8 ninja test</userinput></screen> ---> - <para>Install the package:</para> - -<screen><userinput remap="install">LANG=en_US.UTF-8 ninja install</userinput></screen> - - <para>Remove an unnecessary symbolic link:</para> - -<screen><userinput remap="install">rm -f /usr/bin/xsltproc</userinput></screen> - - <para>Create the <filename>/etc/machine-id</filename> file needed by - <command>systemd-journald</command>:</para> - -<screen><userinput remap="adjust">systemd-machine-id-setup</userinput></screen> - - <para>Setup the basic target structure:</para> - -<screen><userinput remap="adjust">systemctl preset-all</userinput></screen> - - <para>Disable a service that is known to cause problems with systems that - use a network configuration other than what is provided by - systemd-networkd:</para> - <!-- Observed halting startup with dhcpcd handling the primary NIC --> - -<screen><userinput remap="adjust">systemctl disable systemd-time-wait-sync.service</userinput></screen> - - <para>Prevent systemd from resetting the maximum PID value which causes - some problems with packages and units in BLFS:</para> - - -<screen><userinput remap="adjust">rm -f /usr/lib/sysctl.d/50-pid-max.conf</userinput></screen> - - <!-- - <para>Prevent systemd from creating <filename>/run/nologin</filename> - to allow unprivileged user logins without - <application>systemd-logind</application>:</para> - -<screen><userinput remap="adjust">rm -f /usr/lib/tmpfiles.d/systemd-nologin.conf</userinput></screen> - --> - </sect2> - - <sect2 id="contents-systemd" role="content"> - <title>Contents of systemd</title> - - <segmentedlist> - <segtitle>Installed programs</segtitle> - <segtitle>Installed libraries</segtitle> - <segtitle>Installed directories</segtitle> - - <seglistitem> - <seg>bootctl, busctl, coredumpctl, halt (symlink to systemctl), - hostnamectl, init, journalctl, kernel-install, localectl, loginctl, - machinectl, networkctl, portablectl, poweroff (symlink to - systemctl), reboot (symlink to systemctl), resolvconf (symlink to - resolvectl), resolvectl, runlevel (symlink to systemctl), shutdown - (symlink to systemctl), systemctl, systemd-analyze, - systemd-ask-password, systemd-cat, systemd-cgls, systemd-cgtop, - systemd-delta, systemd-detect-virt, systemd-escape, systemd-hwdb, - systemd-id128, systemd-inhibit, systemd-machine-id-setup, - systemd-mount, systemd-notify, systemd-nspawn, systemd-path, - systemd-repart, systemd-resolve (symlink to resolvectl), systemd-run, - systemd-socket-activate, systemd-stdio-bridge, systemd-tmpfiles, - systemd-tty-ask-password-agent, systemd-umount (symlink to - systemd-mount), telinit (symlink to systemctl), timedatectl, and - udevadm</seg> - <seg>libnss_myhostname.so.2, libnss_mymachines.so.2, - libnss_resolve.so.2, libnss_systemd.so.2, - libsystemd.so, libsystemd-shared-&systemd-version;.so (in /lib/systemd), - and libudev.so</seg> - <seg>/etc/binfmt.d, /etc/init.d, /etc/kernel, /etc/modules-load.d, - /etc/sysctl.d, /etc/systemd, /etc/tmpfiles.d, /etc/udev, - /etc/xdg/systemd, /lib/systemd, /lib/udev, /usr/include/systemd, - /usr/lib/binfmt.d, /usr/lib/kernel, /usr/lib/modules-load.d, - /usr/lib/sysctl.d, /usr/lib/systemd, /usr/lib/tmpfiles.d, - /usr/share/doc/systemd-&systemd-version;, /usr/share/factory, - /usr/share/systemd, /var/lib/systemd, and /var/log/journal</seg> - </seglistitem> - </segmentedlist> - - <variablelist> - <bridgehead renderas="sect3">Short Descriptions</bridgehead> - <?dbfo list-presentation="list"?> - <?dbhtml list-presentation="table"?> - - <varlistentry id="bootctl"> - <term><command>bootctl</command></term> - <listitem> - <para>Used to query the firmware and boot manager settings</para> - <indexterm zone="ch-system-systemd bootctl"> - <primary sortas="b-bootctl">bootctl</primary> - </indexterm> - </listitem> - </varlistentry> - - <varlistentry id="busctl"> - <term><command>busctl</command></term> - <listitem> - <para>Used to introspect and monitor the D-Bus bus</para> - <indexterm zone="ch-system-systemd busctl"> - <primary sortas="b-busctl">busctl</primary> - </indexterm> - </listitem> - </varlistentry> - - <varlistentry id="coredumpctl"> - <term><command>coredumpctl</command></term> - <listitem> - <para>Used to retrieve coredumps from the systemd journal</para> - <indexterm zone="ch-system-systemd coredumpctl"> - <primary sortas="b-coredumpctl">coredumpctl</primary> - </indexterm> - </listitem> - </varlistentry> - - <varlistentry id="halt"> - <term><command>halt</command></term> - <listitem> - <para>Normally invokes <command>shutdown</command> with the - <parameter>-h</parameter> option, except when already in run-level 0, - then it tells the kernel to halt the system; it notes in the - file <filename>/var/log/wtmp</filename> that the system is being - brought down</para> - <indexterm zone="ch-system-systemd halt"> - <primary sortas="b-halt">halt</primary> - </indexterm> - </listitem> - </varlistentry> - - <varlistentry id="hostnamectl"> - <term><command>hostnamectl</command></term> - <listitem> - <para>Used to query and change the system hostname and related - settings</para> - <indexterm zone="ch-system-systemd hostnamectl"> - <primary sortas="b-hostnamectl">hostnamectl</primary> - </indexterm> - </listitem> - </varlistentry> - - <varlistentry id="init"> - <term><command>init</command></term> - <listitem> - <para>The first process to be started when the kernel has initialized - the hardware which takes over the boot process and starts all - processes according to its configuration files</para> - <indexterm zone="ch-system-systemd init"> - <primary sortas="b-init">init</primary> - </indexterm> - </listitem> - </varlistentry> - - <varlistentry id="journalctl"> - <term><command>journalctl</command></term> - <listitem> - <para>Used to query the contents of the systemd journal</para> - <indexterm zone="ch-system-systemd journalctl"> - <primary sortas="b-journalctl">journalctl</primary> - </indexterm> - </listitem> - </varlistentry> - - <varlistentry id="kernel-install"> - <term><command>kernel-install</command></term> - <listitem> - <para>Used to add and remove kernel and initramfs images to and - from /boot</para> - <indexterm zone="ch-system-systemd kernel-install"> - <primary sortas="b-kernel-install">kernel-install</primary> - </indexterm> - </listitem> - </varlistentry> - - <varlistentry id="localectl"> - <term><command>localectl</command></term> - <listitem> - <para>Used to query and change the system locale and keyboard layout - settings</para> - <indexterm zone="ch-system-systemd localectl"> - <primary sortas="b-localectl">localectl</primary> - </indexterm> - </listitem> - </varlistentry> - - <varlistentry id="loginctl"> - <term><command>loginctl</command></term> - <listitem> - <para>Used to introspect and control the state of the systemd Login - Manager</para> - <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 - Machine and Container Registration Manager</para> - <indexterm zone="ch-system-systemd machinectl"> - <primary sortas="b-machinectl">machinectl</primary> - </indexterm> - </listitem> - </varlistentry> - - <varlistentry id="networkctl"> - <term><command>networkctl</command></term> - <listitem> - <para>Used to introspect the state of the network links as seen by - 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 - 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> |