Sudo

Quick Tip: Who is listening on given TCP port on MacOS?

2024-03-18 ·1 min read

Find which process is listening on a specific TCP port on macOS Big Sur or later using lsof and grep in Terminal.

2019-03-27 ·1 min read

Make a directory writable by Apache on macOS by assigning ownership to _www and setting permissions with chown and chmod.

2014-09-18 ·1 min read

Set a root password on Ubuntu 14.04 LTS with sudo passwd root, then use su - to open a root login shell.