[K12OSN] Resolution Config Problem

Almquist Burke burke at thealmquists.net
Wed Nov 11 20:29:09 UTC 2009

Hash: SHA1

On Nov 11, 2009, at 9:31 AM, Eric John Nagel wrote:

> Greetings,
> We are having a problem getting anything but the default 800x600
> resolution on our Netier XL1000 thin clients.  These clients use a  
> trident
> video chipset which we know works at 1024x768 on our old LTSP  
> Fedora 6.
> We have just installed K12Linux on a new server with F11.  No  
> matter what
> we have tried in the /opt/ltsp/i386/etc/lts.conf file the  
> resolution stays
> the same.
You want to use the lts.conf file in /var/lib/tftpboot/ltsp/i386/,  
IIRC the file in /opt/ltsp is the old location, and isn't used  
anymore. Try adding X_MODE_0 = 1024x768 to that file.
Sometimes this happens because it is detecting the video chipset  
wrong and using a lower resolution. If you and a shell on one of the  
client screens you should be able to check what it's using. You can  
specify X_COLOR_DEPTH = 16 and XSERVER  = trident if it still won't  
give you the right resolution. I think it defaults to 24 bit color on  
Fedora, which causes a problem for some older video cards, especially  
at higher resolutions.

> a couple questions:
> 1. How does one tell if the /opt/ltps/i386/etc/lts.conf file is  
> being read?
> 2. Once lts.conf is configured (or edited) what must be done to  
> read file?
>    a. client logout
>    b. client xwindows restart (how?)
>    c. client reboot
>    d. ltsp server reboot

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