Exit Early with Ruby’s Abort Method
Exiting early from a command-line script might seem pretty basic, but there are several ways to get it wrong. Learn the idiomatic way to indicate…
Systems Ruby
A course about the interface between code and the computer operating system. Manage OS processes, communicate across processes, perform advanced I/O, …
lsof; or: what process is using my port?!
Have you ever gone to start a local development server, only to have it complain that the port is already taken? In this episode you'll learn about ho…
Subprocesses Part 15: Capture
Ruby's backtick operator is great for quick-and-dirty output capture, but what do you use when you need more power?
Subprocesses Part 14: Advanced Wait
Learn the nuances of Ruby's Process.wait, Process.wait2, and Process.waitall system calls, and how to choose between them based on your use case.
Subprocesses Part 13: Detach, Wait, Kill
Don't let your Ruby subprocesses become zombies!
Suppress Output
Learn a robust, cross-platform way to throw away unwanted output in Ruby programs.
Subprocesses Part 12: Fork and Exec
Learn the twin pillars at the root of the UNIX process-spawning architecture!
Subprocesses Part 11: Fork
If you're making subprocesses on a UNIX-like OS, you're using fork(). Learn all about using fork() from Ruby.
At Exit
Always clean up before you turn out the lights!
