Pretty straightforward blog spam. Meh. I want to know how to prevent fork bombs, or runaway processes from hogging all the CPU. I want to know meaningful ways

Pretty straightforward blog spam. Meh. I want to know how to prevent fork bombs, or runaway processes from hogging all the CPU. I want to know meaningful ways for determining which processes are attached to which file descriptors, and listening to which sockets. I want to know what everyone uses for restarting their wayward processes.