Re: How to start an application automatically after X is started up?
On 2/16/06, Deephay <pclink@21cn.com> wrote:
> Hi,
> I have tried to add a line "xscreensaver -no-splash &" in the ~/.xsession file
> but the X cannot be started up currectly, it will return to the tty1 finally after
> the "startx" command was issued.
I think I know what the problem is now. When you put `xscreensaver`
in ~/.xsession is that the only line there? If so I'm also going to
guess that when you removed the line to use the other method you did
so by deleting the file.
If that is the case the problem is that when there is an .[xX]session
file in your home directory the startx (among others) command
terminates when the last command in that file has executed. In your
case once xscreensaver has been put in the background control is
returned to your shell since the process has finished.
> But now the problem is solved, I created a file "98scrsvd" with a line
> "xscreensaver -no-splash &" in it in /etc/X11/Xsession.d/ and now it works
> well.
> The prefix "98" indicates it will be sourced at last (the X is already started up).
By creating this file you are letting the Xsession scripts pass over
the ~/.[xX]session file as its startup command and move to the next in
the list which is x-session-manager followed by x-window-manager.
To make it work with your ~/.[xX]session file you want it to contain
the following:
xscreensaver -no-splash &
#Replace the following lines with what ever manager you want
#if the defaults aren't quite right.
if [ -x /usr/bin/x-session-manager ]; then
exec x-session-manager
elif [ -x /usr/bin/x-window-manager ]; then
exec x-window-manager
elif [ -x /usr/bin/x-terminal-emulator ]; then
exec x-terminal-emulator
> But I am still not very clear what is the really sequence and usage of those .xinitrc
> and the .xsession files, the manual seems not very much helpful. Anyone can explain
> this to me? Thx a lot!
If you haven't already read it, read `man xsession`. The xinit man
page doesn't say this but I believe that it first looks for .xinitrc
and if it exists, runs that. If there is no .xinitrc it runs
/etc/X11/xinit/xinitrc which simply sources /etc/X11/Xsession.
So when you ran startx with a .xinitrc file you were put back at a
shell after just .xinitrc was run. When you ran startx with a
.xsession file the /etc/X11/Xsession and /etc/X11/Xsession.d scripts
were run then you were put at a shell after your .xsession finished.
With neither of these files the /etc/X11/Xsession script chose a
different startup command and returned you to the shell after your
x-session-manager or x-window-manager terminated.
Hope this clarifies everything. It certainly did for me.
--Dave
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