Can someone recommend a good, thorough tutorial for running my own dedicated server?
Thanks for any assistance you can give. 
ET Server Tutorial
buzzKill
(buzzKill)
#1
Ragnar_40k
(Ragnar_40k)
#2
DG made a good one:
http://www.rtcw.jolt.co.uk/content/enemy_territory/server_guide/index.html
maarten144
(maarten144)
#3
jup ive used it aswell. Plus just some help by people whom have already set up a server.