TIL: `pkill` to stop a process by name

Sometimes when I learn about a tool I think “wow, that would have been useful [when I had some problem in the past]”. That happened with pkill , which is a command you can use to stop a process accurately. Many years ago I was slogging through debugging a Selenium test failure in a Rails application with my coworker, Ron. Every time we made a change we had to stop the server, restart it, and…