Re: Woes with X Display Managers
>>>"Martin Bialasinski" wrote:
> >> "Achim" == Achim Bohnet <email@example.com> wrote:
> Achim> b) introduce a display-manager package. It's
> Achim> init.d script would would start one of
> Achim> the available display managers.
> Achim> I like b) and one solution would be a /etc/X11/display-manager
> Achim> direcotory that contains the real startup scripts and
> Achim> /etc/X11/display-manager.opts (by default the first script in
> Achim> display-managers is used). The opts file could also be used to
> Achim> start different display managers at different runlevel (If've
> Achim> read in the BTS that people are doing thinks like that :)
> I also thought about something like this, but got distracted.
> You have to keep this in mind:
> - display managers handle logins from remote hosts, so there must only
> one doing this.
And at least wdm and xdm what to do it by default.
> - you can have multiple displays. So :0 with xdm and :1 with gdm has
> to be possible.
That the real origin of my post: I installed gdm to configure it for :1
in addition to kde on :0 and finally I had to use the (un)famous
> And the display managers define in their own config files which
> display they will serve.
> So, display managers should shiped configured not to do any stuff.
> Instead they register some scripts:
> and they register that they want to serve display 0 and xdmcp by
> default (think about non-interactive installation, so no questions).
Agreed. At least wdm, kdm violate this rule (can't remember what gdm
did before the deb -r )
> So a user can use the config-dm script (or curses/gtk programm
> whatever) to enable xdm for :0, login.app for :1 and gdm for xdmcp.
That's my goal. Impress the NT users here :)
> The script would then call the script registered by xdm for the
> manage-display option with the parameter :0, the script registered by
> login.app for the manage-display option with the parameter :1, and the
> script registered by gdm for the manage-xdmcp option.
> Oh, and it has to call the respective unmanage-* scripts, to make the
> display available on a change.
> With the restart-dm option (would be /etc/init.d/<dm> restart I
> think), the display-managers have to be informed about the change.
Agreed. Only restart-dm should be what's currently /etc/init.d/?dm
So not used dms could be stopped or not started at all at boot time.
Let run before we can walk for a moment: The hypotetical GUI for config-dm
could be put into the menu of login prompter to allow to switch the used
dm on the fly :)
> Clumsy description, but I think you get the meaning. The
> display-managers should change their configfiles by themself, and the
> user just opts for the version to use.
Thanks for the constructive comments!
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