How can I manage my Server? (admin tools)

Hello! New here to CoD4x. I am hosting a server on a remove host and it’s all up and running. However, I want to install an admin tool to issue commands about players, maps, and so on, via the chat. How can I do that?

The above is the most recent tool and most used.

If you have a bit of technical experience you can also utilize B3, which is older but can be useful:

Good luck!