If you administer multiple Linux servers, Jack Wallen has an easy script you can use to run commands on all of those servers at once.

Don’t despair – in those situations, you can run multiple instances of Tomcat on a single GNU/Linux server. Each will use the same binary, but turn to different areas for data.

There's a command line tool for running multiple commands on multiple Linux servers at once. Jack Wallen shows you how with Parallel-SSH.

GNU Screen allows you to run multiple console applications within a single terminal window, and switch between them easily with the keyboard—but it gets even better: it also allows you to save ...