logind: make sure there's always a getty available on TTY6

[elogind.git] / man / logind.conf.xml

diff --git a/man/logind.conf.xml b/man/logind.conf.xml
index 35a7d4855e07b2dc25e5cf456284c4da4123d376..304f570b1d5cea669d2470323292f7018d50eff2 100644 (file)
--- a/man/logind.conf.xml
+++ b/man/logind.conf.xml
@@ -48,13 +48,13 @@
         </refnamediv>
 
         <refsynopsisdiv>
-                <para><filename>logind.conf</filename></para>
+                <para><filename>/etc/systemd/logind.conf</filename></para>
         </refsynopsisdiv>
 
         <refsect1>
                 <title>Description</title>
 
-                <para>This files configures various parameters of the systemd login manager.</para>
+                <para>This file configures various parameters of the systemd login manager <citerefentry><refentrytitle>systemd-logind.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>.</para>
 
         </refsect1>
 
@@ -70,14 +70,16 @@
                                 <term><varname>NAutoVTs=</varname></term>
 
                                 <listitem><para>Takes a positive
-                                integer. How many virtual terminals to
-                                allocate by default and when switched
-                                to autospawn <literal>autovt</literal>
-                                services on (if they are otherwise
-                                unused). These services are
-                                instantiated from a template of
+                                integer. Configures how many virtual
+                                terminals (VTs) to allocate by default
+                                that -- when switched to and
+                                previously unused --
+                                <literal>autovt</literal> services are
+                                automatically spawned on. These
+                                services are instantiated from the
+                                template unit
                                 <filename>autovt@.service</filename>
-                                with the virtual terminal TTY name,
+                                for the respective VT TTY name,
                                 e.g. <filename>autovt@tty4.service</filename>. By
                                 default
                                 <filename>autovt@.service</filename>
@@ -85,12 +87,46 @@
                                 <filename>getty@.service</filename>,
                                 i.e. login prompts are started
                                 dynamically as the user switches to
-                                unused virtual terminals, and this
-                                parameter hence controls how many
-                                gettys are available on the virtual
-                                terminals. Defaults to 6. When set to
+                                unused virtual terminals. Hence, this
+                                parameter controls how many login
+                                <literal>gettys</literal> are
+                                available on the VTs. If a VT is
+                                already used by some other subsystem
+                                (for example a graphical login) this
+                                kind of activation will not be
+                                attempted. Note that the VT configured
+                                in <varname>ReserveVT=</varname> is
+                                always subject to this kind of
+                                activation, even if it is not one of
+                                VTs configured with the
+                                <varname>NAutoVTs=</varname>
+                                directive. Defaults to 6. When set to
                                 0, automatic spawning of
                                 <literal>autovt</literal> services is
+                                disabled. </para></listitem>
+                        </varlistentry>
+
+                        <varlistentry>
+                                <term><varname>ReserveVT=</varname></term>
+
+                                <listitem><para>Takes a positive
+                                integer. Configures the number of one
+                                virtual terminal that shall
+                                unconditionally be reserved for
+                                <filename>autovt@.service</filename>
+                                activation (see above). The VT
+                                selected with this option will be
+                                marked busy unconditionally so that no
+                                other subsystem will allocate it. This
+                                functionality is useful to ensure that
+                                regardless how many VTs are allocated
+                                by other subsystems one login
+                                <literal>getty</literal> is always
+                                available. Defaults to 6 (with other
+                                words: there'll always be a
+                                <literal>getty</literal> available on
+                                Alt-F6.). When set to 0, VT
+                                reservation is
                                 disabled.</para></listitem>
                         </varlistentry>
 
@@ -133,7 +169,7 @@
 
                                 <listitem><para>These settings control
                                 the default control group hierarchies
-                                users logging are added to. When
+                                users logging in are added to. When
                                 logging in users will get private
                                 control groups in all hierarchies
                                 listed in
@@ -154,8 +190,8 @@
                                 time a system shutdown or sleep
                                 request is delayed due to an inhibitor
                                 lock of type <literal>delay</literal>
-                                being taken before it is ignored and
-                                the operation executed
+                                being active -- before it is ignored
+                                and the operation executed
                                 anyway. Defaults to
                                 5s.</para></listitem>
                         </varlistentry>
@@ -180,7 +216,7 @@
                                 <literal>no-session</literal> logind
                                 will handle these keys when no user is
                                 logged in and no inhibitor lock is
-                                taken, and trigger a warnig beep
+                                taken, and trigger a warning beep
                                 otherwise. If set to
                                 <literal>tty-session</literal> logind
                                 will handle these keys if no inhibitor
@@ -234,6 +270,7 @@
                   <title>See Also</title>
                   <para>
                           <citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
+                          <citerefentry><refentrytitle>systemd-logind.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
                           <citerefentry><refentrytitle>loginctl</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
                           <citerefentry><refentrytitle>systemd.conf</refentrytitle><manvolnum>5</manvolnum></citerefentry>
                   </para>