re: What do you Google EVERY. SINGLE. TIME. and never just memorize? VIEW POST


How to find out which process is listening on a certain point on my mac. I'm often switching between projects, and have a server from another project running on a port that I now need for another server.

And it looks like Heroku's CLI doesn't always stop all processes correctly when you stop it using ctrl+c


You could add a function to your .bashrc to make this easier:

listening() {
    lsof -n -iTCP:$1 | grep LISTEN

Then (after restarting your terminal or typing source ~/.bashrc) type listening 8080 to find out what process is blocking that port.

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