Re: [kde] Kdm session manager

James Richard Tyrer wrote:
Luca wrote:

James Richard Tyrer wrote:

Luca wrote:


Hi!

I have installed kde-3.5.4, xfce4, metacity, gnome-2.14.2 and
gnome-2.16.0 and I use kdm as login manager. I created the desktop files
for the sessions but I am unable to start gnome-2.16.0.
Kde-3.5.4 is installed in /opt/kde-3.5.4 with a symlink /opt/kde
pointing to it, gnome-2.14.2 is installed in /opt/gnome-2.14.2 with a
symlink /opt/gnome pointing to it, gnome-2.16.0 is installed in
/opt/gnome-2.16.0, xfce4 is installed in /usr and metacity is installed
in /usr.

Since I use to launch dbus-daemon with gnome my gnome-xxx desktop files
looks so:
gnome-dbus.desktop
[Desktop Entry]
Encoding=UTF-8
Name=GNOME with D-BUS
Comment=GNOME Desktop with D-BUS support
Exec=dbus-launch --exit-with-session gnome-session
TryExec=/usr/bin/dbus-launch
Icon=
Type=Application

gnome-2.16.0-dbus.desktop
[Desktop Entry]
Encoding=UTF-8
Name=GNOME 2.16.0 with D-BUS
Comment=GNOME 2.16.0 Desktop with D-BUS support
Exec=dbus-launch --exit-with-session /opt/gnome-2.16.0/bin/gnome-session
TryExec=/usr/bin/dbus-launch
Icon=
Type=Application

How do I manage to start the different sessions?
I also tried to modify /opt/kde-3.5.4/share/config/kdm/Xsession in this way:
case $session in
"")
exec xmessage -center -buttons OK:0 -default OK "Sorry,
$DESKTOP_SESSION is no valid session."
;;
failsafe)
exec xterm -geometry 80x24-0-0
;;
custom)
exec $HOME/.xsession
;;
default)
exec /opt/kde-3.5.4/bin/startkde
;;
Gnome-2.14.2)
export BINDIR=/opt/gnome-2.14.2/sbin
export HOME=$HOME/.gnome-2.14.2
export SBINDIR=/opt/gnome-2.14.2/sbin
export LIBEXECDIR=/opt/gnome-2.14.2/lib/gdm
export PATH=/bin:/usr/bin:/usr/X11R7/bin:$GNOMEDIR
exec /opt/gnome-2.14.2/bin/gnome-session
;;
Gnome-2.16.0)
export BINDIR=/opt/gnome-2.16.0/sbin
export HOME=$HOME/.gnome-2.16.0
export SBINDIR=/opt/gnome-2.16.0/sbin
export LIBEXECDIR=/opt/gnome-2.16.0/lib/gdm
export PATH=/bin:/usr/bin:/usr/X11R7/bin:$GNOMEDIR
exec /opt/gnome-2.16.0/bin/gnome-session
;;
*)
eval exec "$session"
;;
esac
exec xmessage -center -buttons OK:0 -default OK "Sorry, cannot execute
$session. Check $DESKTOP_SESSION.desktop."

Still I am unable to start gnome-2.16.0, and just a note when I start
gnome-2.14.2 it seems to load in background some things of gnome-2.16.0,
I have two trash icons.


If you are going to directly execute "gnome-session" the stuff you put
in the: "gnome-xxx.desktop" is not relevant since it is NOT executed.

I don't think that you want to change HOME and I have no idea if setting
BINDIR, SBINDIR, & LIBEXECDIR does anything at all except to take up
space. Stuff in the environment doesn't do any good unless something
reads it.

What is: GNOMEDIR? IAC, the directory "/opt/gnome-<version>/bin" needs
to go at the _start_ of the PATH. If there is stuff in:
"/opt/gnome-<version>/sbin" you might need to add that as well although
normally, only root uses it.

Then, you have two sets of GNOME libraries. You must use the correct
ones. To control this, you must set the environment variable
LD_LIBRARY_PATH.

LD_LIBRARY_PATH=/opt/gnome-<version>/lib
export LD_LIBRARY_PATH

There are other issues so I would recommend that rather than putting
this stuff in your "Xsession" script that you write a short script to
start GNOME -- one script for each version.

I find that to run GNOME that I must set: XDG_CONFIG_DIRS.



Thanks James I'll try that, however is it possible to export the
variables in the gnome-<version>.desktop files instead of creating a
script to start one or another?


In theory, you can execute multiple commands with "Exec=<command line>",
however, KDE tends to balk at long command lines in 'desktop' files.

Also, you are going to need some punctuation between commands just like
on the shell command line. Either:

<command 1> && <command 2>

or

<command 1>: <command 2>

I would use the first one in this case (with "&&") since this makes it
dependent -- "<command 2> will only execute if "<command 1>" works (i.e.
no error code on exit).


Thanks, for now I have managed to comment the entries in Xsession and in
the gnome-<version>.desktop files I call to execute the script for the
gnome-session.
In each gnome-<version>/bin I placed a script like you suggested like
this one (example for gnome-2.14.2):
startgnome-2.14.2
#!/bin/sh
# Begin script to start gnome-2.14.2

export PATH=/opt/gnome-2.14.2/bin:$PATH
export PKG_CONFIG_PATH=/opt/gnome-2.14.2/lib/pkgconfig:$PKG_CONFIG_PATH
export LD_LIBRARY_PATH=/opt/gnome-2.14.2/lib:$LD_LIBRARY_PATH
# export HOME=$HOME/.gnome-2.14.2
export BINDIR=/opt/gnome-2.14.2/sbin
export SBINDIR=/opt/gnome-2.14.2/sbin
export LIBEXECDIR=/opt/gnome-2.14.2/lib/gdm
export XDG_CONFIG_DIRS=/etc/gnome-2.14.2/xdg:$XDG_CONFIG_DIRS

dbus-launch --exit-with-session /opt/gnome-2.14.2/bin/gnome-session

# End gnome-2.14.2 script

and the gnome-2.14.2.desktop file looks like that:
[Desktop Entry]
Encoding=UTF-8
Name=GNOME with D-BUS
Commect=GNOME Desktop with D-BUS support
Exec=/opt/gnome-2.14.2/bin/startgnome-2.14.2
TryExec=/opt/gnome-2.14.2/bin/startgnome-2.14.2
Icon=
Type=Application

Script and desktop file for gnome-2.16.0 are like these with the obvious
changes pointing to gnome-2.16.0.
Now it finally works.

Thanks a lot,
Luca
___________________________________________________
This message is from the kde mailing list.
Account management: https://mail.kde.org/mailman/listinfo/kde.
Archives: http://lists.kde.org/.
More info: http://www.kde.org/faq.html.

Quantcast