Please view the wiki article on how to host both Windows and Linux dedicated servers with the Steam Command tool.
http://wiki.tripwireinteractive.com/index.php?title=Dedicated_Server_(KillingFloor)
For legacy hosts, with the switch to the new Steam byte patching system, HLDS has become obsolete and will no longer be used.
http://wiki.tripwireinteractive.com/index.php?title=Dedicated_Server_(KillingFloor)
For legacy hosts, with the switch to the new Steam byte patching system, HLDS has become obsolete and will no longer be used.