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List:       kde-user
Subject:    Re: Configuring KDM, X-window and shutdown (was Re: KDM shutdown)
From:       Chris Sechiatano <chris_sechiatano () rocketmail ! com>
Date:       1998-08-31 23:23:13
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Ok, that works for shutting down from the console, but how would one
go about shutting it down or restarting it from Exceed, where the
shutdown button is normally not available?  



===

Chris
chris_sechiatano@rocketmail.com




Can I borrow your towel, my car just hit a water buffalo.
-- Fletch



---Jon Svejgaard <jon@ace.dk> wrote:
>
> Hi, everyone,
> 
> There seems to be some misunderstanding about the purpose of things
and 
> how they work. This is an attempt to clean up those misunderstandings:
> 
> <QUOTE>
> On Sun, 30 Aug 1998, David E. Fox wrote:
> 
> > On Fri, 28 Aug 1998, Juergen Rothberger wrote:
> > 
> > >>>I dont know what you mean by "shutdown of virtual terminal",
but in 
> > > kdm "shutdown" means to halt the system -- always.<<
> > >I ment to shutdown only KDE and the X-server. For example: You
define
> > >kdm as your graphical login at boot time. After having done some
work
> > 
> > That's one reason why I don't use xdm/kdm here. I boot to the
command
> > line, then login and startx from there. That way, if as you
suggest I
> > need to compile things that eat up large RAM amounts I can get out
> > of X entirely, and run the compile from the command line.
> > 
> > In KDE-speak, what you want to do is Log Out. This closes down all
> > KDE apps, the X session, and brings you back to the console mode.
> </QUOTE>
> 
> <LECTURE>
> 
> * The purpose of kdm (and xdm) is to present you with a login prompt
in a 
> GUI so that nothing else is needed to get into X-window and your
window 
> manager, be it kwm, fvwm, twm or whatever. This is what you normally
want 
> to do, so the authors of kdm thoughtfully have provided a shutdown
button 
> that enables you to shut down the system completely if you do not
want to 
> leave the computer on.
> 
> Kdm should be started when the system is brought to a special
run-level 
> as defined in /etc/inittab - this runlevel is normally defined in
most 
> Linux variants: on Slackware, it's level 4, on SuSE it's level 3,
and on 
> RedHat, it's level 5, I believe - and that runlevel should be the
default 
> one.
> 
> * Startx is for the casual user - he who normally works in normal
non-GUI 
> mode, entering commands at the command prompt. If he wants to switch
to 
> the GUI, startx is the command to use. Once finished, he clicks the 
> logout button on the Panel and is brought back to the command line.
> 
> * The purpose of shutdown is to bring the system to a halt - but
shutdown 
> has some side effects. 'Shutdown now' enters runlevel 1 which is not
very 
> nice for Slackware (I don't know about the other flavors) - if you
want 
> to *really* shut down the system you should use 'shutdown -h now',
or halt.
> Another way would be 'init 0' which is exactly what the two former 
> commands bog down to, if you look closely.
> 
> BTW, shutdown should be allowed to be done by root only. 'Ordinary'
users 
> (even if that is yourself) should not be allowed to do so. Root is
for 
> administering the system, users are for using the system.
> 
> * Swap space is used for safekeeping parts of memory not in use
right now 
> if you are running so many programs that your physical memory is not 
> enough. This means that your swap space should be at least as large
as 
> your physical memory and preferably 1.5 -2 that size.
> If you want to do something memory intensive, just go ahead and do
it, 
> provided your swap space is sufficient, as the inactive programs and 
> their associated buffers etc. are placed on swap for the duration. No 
> need to stop programs for that.
> 
> If you want to have all this work neatly, this is what you must do:
> 
> 1. Insure that /etc/inittab has entries for a runlevel which starts
KDM. 
>    A call to /opt/kde/bin/kdm -nodaemon should do the trick.
>    This runlevel should also have a few non-graphical getty processes 
>    running. I'll come back to why later.
> 2. Insure that /etc/inittab has entries for a multi-user runlevel
which 
>    does *not* run the GUI login.
> 3. Set the default runlevel to the GUI runlevel. This is done by
setting the
>    run level number on the line in /etc/inittab containing the word 
>    'initdefault' to the level number of your GUI runlevel. 
> 4. Have X run your preferred window manager (KWM) when you log in
through 
>    KDM. This is done by editing the config files in /usr/lib/X11.
There 
>    are a number of ways to do it, but a simple one is to have a 
>    /usr/lib/X11/xinit/xinitrc which calls startkde. If you *never*
will 
>    use startx, you can get rid of all .xsession/.xinitrc/.whatever
files in 
>    users' home directories.
> 5. If you do not want the GUI running any more for some reason,
switch to a
>    non-graphical console by pressing Ctl-Alt-Fx, x being the number
of 
>    the screen where the non-GUI login runs (hence the gettys I
mentioned 
>    above), log in as root and enter 'init x', x being the runlevel
for 
>    normal multi-user mode without KDM.
> 6. If you want to shut down the system, log out from the K desktop,
and 
>    when KDM re-appears, click the shutdown button. This should bring
the 
>    system down and halt it so that power may be switched off.
>    OR bring the system to multi-user mode (item 5 above), then issue 
>    'shutdown -h now'/'halt'/'init 0'
> 
> </LECTURE>
> 
> I hope my ramblings above may be of some use. If anybody wants
details, 
> do ask.
> 
> Brgs
>
=========================================================================
> Jon Svejgaard                           | ACE - Member of
solutions!group
>                                         | Avderoedvej 30
>                                         | 2980 Kokkedal
> mail: jon@ace.dk                        | DENMARK
> http://www.ace.dk                       | +45 4828 0799
>
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