diff options
author | Lennart Poettering <lennart@poettering.net> | 2012-04-03 22:32:05 +0200 |
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committer | Lennart Poettering <lennart@poettering.net> | 2012-04-03 22:32:05 +0200 |
commit | feb88c9ff52b52a1fc0f075cba1215e4c2a82545 (patch) | |
tree | 31037ce89fc433c0b3350516cb9dbff6487c742c /man/systemd.special.xml | |
parent | ffa16db02673ffa155ffb2649e72a935a1ff70f5 (diff) |
man: update documentation of special units
Diffstat (limited to 'man/systemd.special.xml')
-rw-r--r-- | man/systemd.special.xml | 162 |
1 files changed, 84 insertions, 78 deletions
diff --git a/man/systemd.special.xml b/man/systemd.special.xml index 116a43ccfb..fe85137ffe 100644 --- a/man/systemd.special.xml +++ b/man/systemd.special.xml @@ -44,20 +44,24 @@ <refnamediv> <refname>systemd.special</refname> - <refpurpose>special systemd units</refpurpose> + <refpurpose>Special systemd units</refpurpose> </refnamediv> <refsynopsisdiv> <para><filename>basic.target</filename>, <filename>ctrl-alt-del.target</filename>, <filename>dbus.service</filename>, + <filename>dbus.socket</filename>, <filename>default.target</filename>, <filename>display-manager.service</filename>, <filename>emergency.target</filename>, <filename>exit.service</filename>, + <filename>final.service</filename>, <filename>graphical.target</filename>, + <filename>http-daemon.target</filename>, <filename>halt.target</filename>, <filename>kbrequest.target</filename>, + <filename>kexec.target</filename>, <filename>local-fs.target</filename>, <filename>local-fs-pre.target</filename>, <filename>mail-transfer-agent.target</filename>, @@ -79,11 +83,9 @@ <filename>sockets.target</filename>, <filename>swap.target</filename>, <filename>sysinit.target</filename>, + <filename>syslog.service</filename>, + <filename>syslog.socket</filename>, <filename>syslog.target</filename>, - <filename>systemd-initctl.service</filename>, - <filename>systemd-initctl.socket</filename>, - <filename>systemd-stdout-syslog-bridge.service</filename>, - <filename>systemd-stdout-syslog-bridge.socket</filename>, <filename>time-sync.target</filename>, <filename>umount.target</filename></para> </refsynopsisdiv> @@ -146,6 +148,18 @@ </listitem> </varlistentry> <varlistentry> + <term><filename>dbus.socket</filename></term> + <listitem> + <para>A special unit for the + D-Bus system bus socket. All + units with + <literal>Type=dbus</literal> + automatically gain a + dependency on this + unit.</para> + </listitem> + </varlistentry> + <varlistentry> <term><filename>default.target</filename></term> <listitem> <para>The default unit systemd @@ -168,7 +182,7 @@ <para>The display manager service. Usually this should be aliased (symlinked) to - <filename>xdm.service</filename> + <filename>gdm.service</filename> or a similar display manager service.</para> <para>systemd automatically @@ -197,6 +211,19 @@ </listitem> </varlistentry> <varlistentry> + <term><filename>final.target</filename></term> + <listitem> + <para>A special target unit + that is used during the + shutdown logic and may be used + to pull in late services after + all normal services are + already terminated and all + mounts unmounted. + </para> + </listitem> + </varlistentry> + <varlistentry> <term><filename>graphical.target</filename></term> <listitem> <para>A special target unit @@ -213,6 +240,22 @@ </listitem> </varlistentry> <varlistentry> + <term><filename>http-daemon.target</filename></term> + <listitem> + <para>A target for pulling in + an HTTP server if there is + any.</para> + <para>systemd automatically + adds dependencies of type + After for this target unit to + all SysV init script service + units with a LSB header + referring to the + <literal>$httpd</literal> + facility.</para> + </listitem> + </varlistentry> + <varlistentry> <term><filename>halt.target</filename></term> <listitem> <para>A special target unit @@ -235,6 +278,17 @@ </listitem> </varlistentry> <varlistentry> + <term><filename>kexec.target</filename></term> + <listitem> + <para>A special target unit + for shutting down and rebooting the system via kexec.</para> + + <para>Applications wanting to + reboot the system with kexec should start + this unit.</para> + </listitem> + </varlistentry> + <varlistentry> <term><filename>local-fs.target</filename></term> <listitem> <para>systemd automatically @@ -555,6 +609,28 @@ </listitem> </varlistentry> <varlistentry> + <term><filename>syslog.service</filename></term> + <listitem> + <para>The syslog service if + any. Implementations should + create a symlink from the + actual syslog implementation + to this generic name for + activating it.</para> + </listitem> + </varlistentry> + <varlistentry> + <term><filename>syslog.socket</filename></term> + <listitem> + <para>The socket unit where + syslog implementations should + listen on. All userspace log + messages will be made + available on this + socket.</para> + </listitem> + </varlistentry> + <varlistentry> <term><filename>syslog.target</filename></term> <listitem> <para>systemd automatically @@ -568,74 +644,6 @@ </listitem> </varlistentry> <varlistentry> - <term><filename>systemd-initctl.service</filename></term> - <listitem> - <para>This provides - compatibility with the SysV - /dev/initctl file system FIFO - for communication with the - init system.</para> - <para>This is a - socket-activated service, see - <filename>system-initctl.socket</filename>.</para> - </listitem> - </varlistentry> - <varlistentry> - <term><filename>systemd-initctl.socket</filename></term> - <listitem> - <para>Socket activation unit - for - <filename>system-initctl.service</filename>.</para> - </listitem> - </varlistentry> - <varlistentry> - <term><filename>systemd-stdout-syslog-bridge.service</filename></term> - <listitem> - <para>This is internally used - by systemd to provide syslog - logging to the processes it - maintains.</para> - <para>This is a - socket-activated service, see - <filename>system-stdout-syslog-bridge.socket</filename>.</para> - </listitem> - </varlistentry> - <varlistentry> - <term><filename>systemd-stdout-syslog-bridge.socket</filename></term> - <listitem> - <para>Socket activation unit - for - <filename>system-stdout-syslog-bridge.service</filename>. systemd - will automatically add - dependencies of types Requires - and After to all units that - have been configured for - stdout or stderr to be - connected to syslog or the - kernel log buffer.</para> - </listitem> - </varlistentry> - <varlistentry> - <term><filename>systemd-shutdownd.service</filename></term> - <listitem> - <para>This is internally used - by - <citerefentry><refentrytitle>shutdown</refentrytitle><manvolnum>8</manvolnum></citerefentry> - to implement delayed shutdowns.</para> - <para>This is a - socket-activated service, see - <filename>system-shutdownd.socket</filename>.</para> - </listitem> - </varlistentry> - <varlistentry> - <term><filename>systemd-shutdownd.socket</filename></term> - <listitem> - <para>Socket activation unit - for - <filename>system-shutdownd.service</filename>.</para> - </listitem> - </varlistentry> - <varlistentry> <term><filename>time-sync.target</filename></term> <listitem> <para>systemd automatically @@ -676,11 +684,8 @@ following special units are available, which have similar definitions as their system counterparts: <filename>default.target</filename>, - <filename>local-fs.target</filename>, - <filename>remote-fs.target</filename>, <filename>shutdown.target</filename>, - <filename>sockets.target</filename>, - <filename>swap.target</filename>.</para> + <filename>sockets.target</filename></para> <para>In addition the following special unit is understood only when systemd runs as service instance:</para> @@ -715,6 +720,7 @@ <refsect1> <title>See Also</title> <para> + <citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>, <citerefentry><refentrytitle>systemd.unit</refentrytitle><manvolnum>5</manvolnum></citerefentry>, <citerefentry><refentrytitle>systemd.service</refentrytitle><manvolnum>5</manvolnum></citerefentry>, <citerefentry><refentrytitle>systemd.socket</refentrytitle><manvolnum>5</manvolnum></citerefentry>, |