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What did you edit in the KDM configuration?

Make sure you replace the line



with

Not works here..

Same problem for me, the kdmrc lines from bram have no discernable effect and what I would really like is to not have any of the 'Switch User' options appear in KDM, or the KDE menu, or the Screen Locked dialog.

My desire for this is very practical, my graphics hardware/drivers combo cannot handle switching between X consoles, the entire graphics system locks up hard and I'm left with two choices, borrow my neighbours laptop to SSH in and shutdown, or hit the power switch.

I have several casual users (Parents and kids) for this system and while I can educate them that clicking 'Switch User' is fatal, it would be better if I could just disable it.. They already have quite a lot to remember and handle coping with the switch from windoze :-)

If there is no such function, should I put in a Bug/Enhancement request for it?

Basically I feel like I have a 'Make System Unusable' button that is being prominently displayed in my users KDE menu, and whenever the screen is locked.

PS: This is also true for [CTL-ALT-F1,2,3] etc, but that does not concern me since it's a geeky thing to do, and geeks can handle lockups etc..
PPS: This would not be necesscary if consle switching worked under X for all hardware, But that is a different fight/argument.

If you use ReserveServers=:1, you still have an extra X-server available for [switch user] (e.g. you then have server :0 and server :1 available)

So you should keep the option completely blank (e.g.: ReserveServers= )

Be aware that some distros, like suse, also store configurations in /etc/opt/kde3/share/config.

Blanking the option ReserveServers= does not get rid of the switch user option, but since you can't start another X-session with kdm, there is nowhere to switch to.

There is a catch however, if you are logged in at tty1-6, [switch user] will offer that one to switch to.
Perhaps you can avoid that by blanking this option in kdmrc:

# TTYs (without /dev/) to monitor for activity while in console mode.
# Default is ""
ConsoleTTYs=tty1,tty2,tty3,tty4,tty5,tty6


To ensure that the changes are used in kdm, it might be a good idea to restart XDM with rcxdm restart

Regards, Rinse

Thanks Rinse! I did indeed have ReserveServers=:1 in my config, I´ve set it blank and switching users is no longer possible; even though the menu entries are still there they give no alternatives than the current session.
I left ConsoleTTYs as is, It´s rare that there will be any console TTYs in use while my guests are at the system.

I´m still of a mind to check for/submit a RFE asking for a switch to remove the switch user menu entries from KDM, it would still be a better solution. Best would be for ATI to pull their finger out and get console switching working with their drivers, or better still to open source them, and let us do it.

Well, I found 2 solutions for this:

1. In Kubuntu, choose the recovery option you will be logged as root and start the KDE with startx command. The Switch User is not shown at Kmenu.

2. Get a distro shipping with KDE 3.3: Debian Sarge, CentOS or Linspire/Freespire.

option 1 starts linux in the non grafical mode.

Dunno wich runlevel debian/ubuntu uses for that, but on redhat/suse/mandriva, it is runlevel 3.

I'dd suggest to choose a non grafical runlevel in stead of starting in recoverymode or failsafe mode.

recovery/failsafe modes often turn off stuff like acpi, dma, apic, etc. etc, making your system less functional..

also using kde as root is not a good idea.

be aware that users can always start new sessions with the command startx -- :1
(or :2, :3, etc. depending on how many sessions already run_