1. Run the installer, sh linux-installer.sh 
For installation directory, provide, /home/###/ut2004
-NOTE- DO NOT INSTALL AS ROOT
The install will copy a few files then it will give an error asking you to insert the UT disc. At this point, open a new window and copy the files currently in /home/###/ut2004/ into a new folder /home/###/ut2004-bin/
Now cancel the installer, the installer will delete the /home/###/ut2004 folder but your ut2004-bin folder will be intact.
2. Copy the files from the dvd into your home folder
Copy out all the files from the DVD into a new folder /home/###/ut2004
3. Add binary files
Copy the files from /home/###/ut2004-bin/* into /home/###/ut2004
4. run the game
./ut2004