ProxyTerm (pterm) is a simple tool to control console applications running on a remote machine. Unlike in telnet/ssh, applications are not terminated if the connection is shut down, but are kept running for subsequent connections from pterm clients.
What is hlmonserv?
hlmonserv is a half-life (and half-life mods) monitor that runs as a server on a *nix machine. Hlmonserv allows multiple games to run on the same machine with one centralized console - all acessed via a telnet client.