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man: start documenting systemd itself

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This commit is contained in:
Lennart Poettering 2010-06-23 20:34:25 +02:00
parent a838e6a17a
commit 2218198b73
4 changed files with 225 additions and 15 deletions
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6
man/runlevel.xml
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@ -67,12 +67,16 @@
<para>Unless overriden in the environment this will
check the utmp database for recent runlevel
changes.</para>
</refsect1>
<refsect1>
<title>Options</title>
<para>The following option is understood:</para>
<variablelist>
<varlistentry>
<term>--help</term>
<term><option>--help</option></term>
<listitem><para>Prints a short help
text and exits.</para></listitem>

28
man/systemd-install.xml
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@ -21,7 +21,7 @@
along with systemd; If not, see <http://www.gnu.org/licenses/>.
-->
<refentry id="systemd">
<refentry id="systemd-install">
<refentryinfo>
<title>systemd-install</title>
@ -50,13 +50,13 @@
<refsynopsisdiv>
<cmdsynopsis>
<command>systemd-install <arg choice="opt" rep="repeat">options</arg> <option>enable</option> <arg choice="opt" rep="repeat">name</arg></command>
<command>systemd-install <arg choice="opt" rep="repeat">options</arg> <arg choice="plain">enable</arg> <arg choice="opt" rep="repeat">name</arg></command>
</cmdsynopsis>
<cmdsynopsis>
<command>systemd-install <arg choice="opt" rep="repeat">options</arg> <option>disable</option> <arg choice="opt" rep="repeat">name</arg></command>
<command>systemd-install <arg choice="opt" rep="repeat">options</arg> <arg choice="plain">disable</arg> <arg choice="opt" rep="repeat">name</arg></command>
</cmdsynopsis>
<cmdsynopsis>
<command>systemd-install <arg choice="opt" rep="repeat">options</arg> <option>test</option> <arg choice="opt" rep="repeat">name</arg></command>
<command>systemd-install <arg choice="opt" rep="repeat">options</arg> <arg choice="plain">test</arg> <arg choice="opt" rep="repeat">name</arg></command>
</cmdsynopsis>
</refsynopsisdiv>
@ -66,19 +66,23 @@
<para><command>systemd-install</command> enables or
disables systemd units, or checks whether they are
enabled.</para>
</refsect1>
<refsect1>
<title>Options</title>
<para>The following options are understood:</para>
<variablelist>
<varlistentry>
<term>--help</term>
<term><option>--help</option></term>
<listitem><para>Prints a short help
text and exits.</para></listitem>
</varlistentry>
<varlistentry>
<term>--force</term>
<term><option>--force</option></term>
<listitem><para>Enable/disable a
service even if it conflicts
@ -89,14 +93,14 @@
</varlistentry>
<varlistentry>
<term>--system</term>
<term><option>--system</option></term>
<listitem><para>Enable/disable a
system service.</para></listitem>
</varlistentry>
<varlistentry>
<term>--session</term>
<term><option>--session</option></term>
<listitem><para>Enable/disable a
session service for the calling
@ -104,7 +108,7 @@
</varlistentry>
<varlistentry>
<term>--global</term>
<term><option>--global</option></term>
<listitem><para>Enable/disable a
session service for all
@ -116,7 +120,7 @@
<variablelist>
<varlistentry>
<term>enable</term>
<term><command>enable</command></term>
<listitem><para>Enable a unit. This
will create a number of symlinks as
@ -125,7 +129,7 @@
</varlistentry>
<varlistentry>
<term>disable</term>
<term><command>disable</command></term>
<listitem><para>Disable a unit. This
will removed a number of symlinks as
@ -134,7 +138,7 @@
</varlistentry>
<varlistentry>
<term>test</term>
<term><command>test</command></term>
<listitem><para>Checks whether any of
the units specified are

204
man/systemd.xml
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@ -47,10 +47,212 @@
<refpurpose>systemd System and Session Manager</refpurpose>
</refnamediv>
<refsynopsisdiv>
<cmdsynopsis>
<command>systemd <arg choice="opt" rep="repeat">options</arg></command>
</cmdsynopsis>
<cmdsynopsis>
<command>init <arg choice="opt" rep="repeat">options</arg></command>
</cmdsynopsis>
</refsynopsisdiv>
<refsect1>
<title>Description</title>
<para>Systemd is awesome.</para>
<para>systemd is a system and session manager for
Linux operating systems. When run as first process on
boot (as PID 1) it may act as init system that brings
up and maintains userspace.</para>
<para>For compatibility with SysV if systemd is called
as <command>init</command> and a PID that is not
1 it will execute <command>telinit</command> and pass
all command line arguments unmodified. That means
<command>init</command> and <command>telinit</command>
are mostly equivalent when invoked from normal login sessions. See
<citerefentry><refentrytitle>telinit</refentrytitle><manvolnum>8</manvolnum></citerefentry>
for more information.</para>
</refsect1>
<refsect1>
<title>Options</title>
<para>The following options are understood:</para>
<variablelist>
<varlistentry>
<term><option>-h</option> | <option>--help</option></term>
<listitem><para>Prints a short help
text and exits.</para></listitem>
</varlistentry>
<varlistentry>
<term><option>--unit=</option></term>
<listitem><para>Set default unit to
activate on startup. If not specified
defaults to
<filename>default.target</filename>.</para></listitem>
</varlistentry>
<varlistentry>
<term><option>--running-as=</option></term>
<listitem><para>Tell systemd to run in
a particular mode. Argument is one of
<option>system</option>,
<option>session</option>. Normally it
should not be necessary to pass this
option, as systemd automatically
detects the mode it is started
in. This call is hence of little use
except for
debugging.</para></listitem>
</varlistentry>
<varlistentry>
<term><option>--test</option></term>
<listitem><para>Determine startup
sequence, dump it and exit. This is an
option useful for debugging
only.</para></listitem>
</varlistentry>
<varlistentry>
<term><option>--dump-configuration-items</option></term>
<listitem><para>Dump understood unit
configuration items. This outputs a
terse list of configuration items
understood in unit definition
files.</para></listitem>
</varlistentry>
<varlistentry>
<term><option>--confirm-spawn</option></term>
<listitem><para>Ask for confirmation when spawning processes.</para></listitem>
</varlistentry>
<varlistentry>
<term><option>--introspect=</option></term>
<listitem><para>Extract D-Bus
interface introspection data. This is
mostly useful at build ot install time
to generate data suitable for the
D-Bus interfaces
repository. Optionally the interface
name for the introspection data may be
specified. If omitted the
introspection data for all interfaces
is dumped.</para></listitem>
</varlistentry>
<varlistentry>
<term><option>--log-level=</option></term>
<listitem><para>Set log level. As
argument this accepts a numerical log
level or the well-known <citerefentry><refentrytitle>syslog</refentrytitle><manvolnum>3</manvolnum></citerefentry>
symbolic names (lowercase):
<option>emerg</option>,
<option>alert</option>,
<option>crit</option>,
<option>err</option>,
<option>warning</option>,
<option>notice</option>,
<option>info</option>,
<option>debug</option>.</para></listitem>
</varlistentry>
<varlistentry>
<term><option>--log-target=</option></term>
<listitem><para>Set log
target. Argument must be one of
<option>console</option>,
<option>syslog</option>,
<option>kmsg</option>,
<option>syslog-or-kmsg</option>,
<option>null</option>.</para></listitem>
</varlistentry>
<varlistentry>
<term><option>--log-color=</option></term>
<listitem><para>Highlight important
log messages. Argument is a boolean
value. If the argument is omitted it
defaults to
<option>true</option>.</para></listitem>
</varlistentry>
<varlistentry>
<term><option>--log-location=</option></term>
<listitem><para>Include code location
in log messages. This is mostly
relevant for debugging
purposes. Argument is a boolean
value. If the argument is omitted
it defaults to
<option>true</option>.</para></listitem>
</varlistentry>
</variablelist>
</refsect1>
<refsect1>
<title>Sockets and FIFOs</title>
<variablelist>
<varlistentry>
<term><filename>@/org/freedesktop/systemd1/notify</filename></term>
<listitem><para>Daemon status
notification socket. This is an AF_UNIX
datagram socket in the Linux abstract
namespace, and is used to implement
the daemon notification logic as
implemented by
<citerefentry><refentrytitle>sd_notify</refentrytitle><manvolnum>3</manvolnum></citerefentry>.</para></listitem>
</varlistentry>
<varlistentry>
<term><filename>@/org/freedesktop/systemd1/logger</filename></term>
<listitem><para>Used internally by the
<filename>systemd-logger.service</filename>
unit to connect STDOUT and/or STDERR
of spawned processes to
<citerefentry><refentrytitle>syslog</refentrytitle><manvolnum>3</manvolnum></citerefentry>
or the kernel log buffer. This is an
AF_UNIX stream socket in the Linux
abstract namespace.</para></listitem>
</varlistentry>
<varlistentry>
<term><filename>@/org/freedesktop/systemd1/private</filename></term>
<listitem><para>Used internally as
communication channel between
<citerefentry><refentrytitle>systemctl</refentrytitle><manvolnum>1</manvolnum></citerefentry>
and the systemd process. This is an
AF_UNIX stream socket in the Linux
abstract namespace. This interface is
private to systemd and should not be
used in external
projects.</para></listitem>
</varlistentry>
<varlistentry>
<term><filename>/dev/initctl</filename></term>
<listitem><para>Limited compatibility
support for the SysV client interface,
as implemented by the
<filename>systemd-initctl.service</filename>
unit. This is a named pipe in the file
system. This interface is obsolete and
should not be used in new
applications.</para></listitem>
</varlistentry>
</variablelist>
</refsect1>

2
src/main.c
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@ -547,7 +547,7 @@ static int help(void) {
" --introspect[=INTERFACE] Extract D-Bus interface data\n"
" --log-level=LEVEL Set log level\n"
" --log-target=TARGET Set log target (console, syslog, kmsg, syslog-or-kmsg, null)\n"
" --log-color[=0|1] Highlight import log messages\n"
" --log-color[=0|1] Highlight important log messages\n"
" --log-location[=0|1] Include code location in log messages\n",
program_invocation_short_name);