Is there a way to send a console command to a dedicated server from the client?

[TristanLuigi]

It's self explanatory, really. Is there any way for a server host to send a command to a dedicated server under their key but on a different machine?

[Ad Bot]

[Clear Glass]

Like Evalchat?

[$trinick]

Eval mods. That's really it.

[Starzy]

He could use an external program to take control of his other computer.