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authorDiego Nicola Barbato <dnbarbato@posteo.de>2019-04-28 22:18:28 +0200
committerLudovic Courtès <ludo@gnu.org>2019-05-07 15:46:54 +0200
commitdbef9015db107dd148133420b89af552ef08f8ee (patch)
treefe5cff6da3ede13618f524e296a4d3fb5075835c /doc
parent61569171d03146f41ba1b9aedf29fd8fa78d6102 (diff)
downloadguix-dbef9015db107dd148133420b89af552ef08f8ee.tar
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doc: Document 'display' and 'vt' fields of 'slim-configuration'.
* doc/guix.texi (X Window): Mention 'display' and 'vt' fields of 'slim-configuration' and explain how to use them to add multiple SLiM services to system services. Signed-off-by: Ludovic Courtès <ludo@gnu.org>
Diffstat (limited to 'doc')
-rw-r--r--doc/guix.texi33
1 files changed, 33 insertions, 0 deletions
diff --git a/doc/guix.texi b/doc/guix.texi
index 4b0f518ea0..2515ec146f 100644
--- a/doc/guix.texi
+++ b/doc/guix.texi
@@ -13485,6 +13485,33 @@ This is the type for the SLiM graphical login manager for X11.
Like GDM, SLiM looks for session types described by @file{.desktop} files and
allows users to choose a session from the log-in screen using @kbd{F1}. It
also honors @file{~/.xsession} files.
+
+Unlike GDM, SLiM does not spawn the user session on a different VT after
+logging in, which means that you can only start one graphical session. If you
+want to be able to run multiple graphical sessions at the same time you have
+to add multiple SLiM services to your system services. The following example
+shows how to replace the default GDM service with two SLiM services on tty7
+and tty8.
+
+@lisp
+(use-modules (gnu services)
+ (gnu services desktop)
+ (gnu services xorg)
+ (srfi srfi-1)) ;for 'remove'
+
+(operating-system
+ ;; ...
+ (services (cons* (service slim-service-type (slim-configuration
+ (display ":0")
+ (vt "vt7")))
+ (service slim-service-type (slim-configuration
+ (display ":1")
+ (vt "vt8")))
+ (remove (lambda (service)
+ (eq? (service-kind service) gdm-service-type))
+ %desktop-services))))
+@end lisp
+
@end defvr
@deftp {Data Type} slim-configuration
@@ -13522,6 +13549,12 @@ false, you will be unable to log in.
@item @code{xorg-configuration} (default @code{(xorg-configuration)})
Configuration of the Xorg graphical server.
+@item @code{display} (default @code{":0"})
+The display on which to start the Xorg graphical server.
+
+@item @code{vt} (default @code{"vt7"})
+The VT on which to start the Xorg graphical server.
+
@item @code{xauth} (default: @code{xauth})
The XAuth package to use.