systemd/man/telinit.xml

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<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
        "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">

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<refentry id="telinit"
          xmlns:xi="http://www.w3.org/2001/XInclude">

        <refentryinfo>
                <title>telinit</title>
                <productname>systemd</productname>

                <authorgroup>
                        <author>
                                <contrib>Developer</contrib>
                                <firstname>Lennart</firstname>
                                <surname>Poettering</surname>
                                <email>lennart@poettering.net</email>
                        </author>
                </authorgroup>
        </refentryinfo>

        <refmeta>
                <refentrytitle>telinit</refentrytitle>
                <manvolnum>8</manvolnum>
        </refmeta>

        <refnamediv>
                <refname>telinit</refname>
                <refpurpose>Change SysV runlevel</refpurpose>
        </refnamediv>

        <refsynopsisdiv>
                <cmdsynopsis>
                        <command>telinit <arg choice="opt" rep="repeat">OPTIONS</arg> <arg choice="req">COMMAND</arg></command>
                </cmdsynopsis>
        </refsynopsisdiv>

        <refsect1>
                <title>Description</title>

                <para><command>telinit</command> may be used to change
                the SysV system runlevel. Since the concept of SysV
                runlevels is obsolete the runlevel requests
                will be transparently translated into systemd unit
                activation requests.</para>

        </refsect1>

        <refsect1>
                <title>Options</title>

                <para>The following options are understood:</para>

                <variablelist>
                        <varlistentry>
                                <term><option>--help</option></term>

                                <xi:include href="standard-options.xml" xpointer="help-text" />
                        </varlistentry>

                        <varlistentry>
                                <term><option>--no-wall</option></term>

                                <listitem><para>Do not send wall
                                message before
                                reboot/halt/power-off.</para></listitem>
                        </varlistentry>
                </variablelist>

                <para>The following commands are understood:</para>

                <variablelist>
                        <varlistentry>
                                <term><command>0</command></term>

                                <listitem><para>Power-off the
                                machine. This is translated into an
                                activation request for
                                <filename>poweroff.target</filename>
                                and is equivalent to
                                <command>systemctl
                                poweroff</command>.</para></listitem>
                        </varlistentry>

                        <varlistentry>
                                <term><command>6</command></term>

                                <listitem><para>Reboot the
                                machine. This is translated into an
                                activation request for
                                <filename>reboot.target</filename> and
                                is equivalent to <command>systemctl
                                reboot</command>.</para></listitem>
                        </varlistentry>

                        <varlistentry>
                                <term><command>2</command></term>
                                <term><command>3</command></term>
                                <term><command>4</command></term>
                                <term><command>5</command></term>

                                <listitem><para>Change the SysV
                                runlevel. This is translated into an
                                activation request for
                                <filename>runlevel2.target</filename>,
                                <filename>runlevel3.target</filename>,
                                ... and is equivalent to
                                <command>systemctl isolate
                                runlevel2.target</command>,
                                <command>systemctl isolate
                                runlevel3.target</command>,
                                ...</para></listitem>
                        </varlistentry>

                        <varlistentry>
                                <term><command>1</command></term>
                                <term><command>s</command></term>
                                <term><command>S</command></term>

                                <listitem><para>Change into system
                                rescue mode. This is translated into
                                an activation request for
                                <filename>rescue.target</filename> and
                                is equivalent to <command>systemctl
                                rescue</command>.</para></listitem>
                        </varlistentry>

                        <varlistentry>
                                <term><command>q</command></term>
                                <term><command>Q</command></term>

                                <listitem><para>Reload daemon
                                configuration. This is equivalent to
                                <command>systemctl
                                daemon-reload</command>.</para></listitem>
                        </varlistentry>

                        <varlistentry>
                                <term><command>u</command></term>
                                <term><command>U</command></term>

                                <listitem><para>Serialize state,
                                reexecute daemon and deserialize state
                                again. This is equivalent to
                                <command>systemctl
                                daemon-reexec</command>.</para></listitem>
                        </varlistentry>

                </variablelist>
        </refsect1>

        <refsect1>
                <title>Exit status</title>

                <para>On success, 0 is returned, a non-zero failure
                code otherwise.</para>
        </refsect1>

        <refsect1>
                <title>Notes</title>

                <para>This is a legacy command available for compatibility
                only. It should not be used anymore, as the concept of
                runlevels is obsolete.</para>
        </refsect1>

        <refsect1>
                <title>See Also</title>
                <para>
                        <citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
                        <citerefentry><refentrytitle>systemctl</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
                        <citerefentry><refentrytitle>wall</refentrytitle><manvolnum>1</manvolnum></citerefentry>
                </para>
        </refsect1>

</refentry>