As root, run the script below on the knoppix server after booting from cd-rom. On a client machine, you can boot in text mode (knoppix 2) and then at the # prompt type "X -broadcast" and you will be logged in via thin-client to your server machine. This makes a rather fast Xwindows session even on a 486 client as the programs are executed on the server.
Here is the script:

#!/bin/bash
cp /etc/kde3/kdm/Xaccess /ramdisk
cp /etc/kde3/kdm/kdmrc /ramdisk
rm -r /etc/kde3/kdm/Xaccess
rm -r /etc/kde3/kdm/kdmrc
sed 's/^#\*/\*/g' < /ramdisk/Xaccess > /ramdisk/Xaccess1
mv -f /ramdisk/Xaccess1 /ramdisk/Xaccess
sed 's/^Enable=false/Enable=true/g' < /ramdisk/kdmrc > /ramdisk/kdmrc1
mv -f /ramdisk/kdmrc1 /ramdisk/kdmrc
ln -s /ramdisk/Xaccess /etc/kde3/kdm/Xaccess
ln -s /ramdisk/kdmrc /etc/kde3/kdm/kdmrc
/etc/init.d/kdm restart
cp /etc/gshadow /etc/gshadow1
mv -f /etc/gshadow1 /etc/gshadow
echo To add users: adduser username