google some tutorials on console commands and setting up your own server for HL2. This is the topic I haven't touched in over 8 years, so I cannot give you exact instructions, only point you in the right way.
it's not a plug-in, it's simple config code for the server, I'm guessing you missed the part where I said to look for a guide on setting up your server
it's not a plug-in, it's simple config code for the server, I'm guessing you missed the part where I said to look for a guide on setting up your server
I guess you missed the part in which I asked for direct help not a simple response with 'Google it'.