Descriptionpam_systemd registers user
- sessions in the systemd login manager
+ sessions with the systemd login manager
systemd-logind.service8,
and hence the systemd control group hierarchy.
@@ -82,11 +82,11 @@
A new systemd scope unit is
created for the session. If this is the first
- concurrent session of the user an implicit
+ concurrent session of the user, an implicit
slice below user.slice is
automatically created and the scope placed in
it. In instance of the system service
- user@.service which runt
+ user@.service which runs
the systemd user manager
instance.
@@ -94,15 +94,15 @@
On logout, this module ensures the following:
- If this is enabled all
+ If this is enabled, all
processes of the session are terminated. If
- the last concurrent session of a user ends his
+ the last concurrent session of a user ends, his
user systemd instance will be terminated too,
and so will the user's slice
unit.
- If the las concurrent session
- of a user ends the
+ If the last concurrent session
+ of a user ends, the
$XDG_RUNTIME_DIR directory
and all its contents are removed,
too.
@@ -127,14 +127,37 @@
Takes a string
argument which sets the session class.
The XDG_SESSION_CLASS environmental variable
- takes precedence.
+ takes precedence. One of
+ user,
+ greeter,
+ lock-screen or
+ background. See
+ sd_session_get_class3
+ for details about the session class.
-
+
- Takes a boolean
- argument. If yes, the module will log
+ Takes a string
+ argument which sets the session type.
+ The XDG_SESSION_TYPE environmental
+ variable takes precedence. One of
+ unspecified,
+ tty,
+ x11,
+ wayland or
+ mir. See
+ sd_session_get_type3
+ for details about the session type.
+
+
+
+
+
+ Takes an optional
+ boolean argument. If yes or without
+ the argument, the module will log
debugging information as it
operates.
@@ -200,6 +223,72 @@
operating system
provides.
+
+
+
+ The following environment variables are read by
+ the module and may be used by the PAM service to pass
+ metadata to the module:
+
+
+
+ $XDG_SESSION_TYPE
+
+ The session type. This
+ may be used instead of
+ on the
+ module parameter line, and is usually
+ preferred.
+
+
+
+ $XDG_SESSION_CLASS
+
+ The session class. This
+ may be used instead of
+ on the
+ module parameter line, and is usually
+ preferred.
+
+
+
+ $XDG_SESSION_DESKTOP
+
+ A single, short
+ identifier string for the desktop
+ environment. This may be used to
+ indicate the session desktop used,
+ where this applies and if this
+ information is available. For example:
+ GNOME, or
+ KDE. It is
+ recommended to use the same
+ identifiers and capitalization as for
+ $XDG_CURRENT_DESKTOP,
+ as defined by the Desktop
+ Entry
+ Specification.
+
+
+
+ $XDG_SEAT
+
+ The seat name the session
+ shall be registered for, if
+ any.
+
+
+
+ $XDG_VTNR
+
+ The VT number the
+ session shall be registered for, if
+ any. (Only applies to seats with a VT
+ available, such as
+ seat0)
+
+
@@ -223,10 +312,10 @@ session required pam_systemd.so
systemd-logind.service8,
logind.conf5,
loginctl1,
- pam.conf5,
- pam.d5,
- pam8,
- pam_loginuid8,
+ pam.conf5,
+ pam.d5,
+ pam8,
+ pam_loginuid8,
systemd.scope5,
systemd.slice5,
systemd.service5