- Find out what process is running on the port:
lsof -i:<port>
- Copy the process number from the
PID
column. - Kill the process:
kill -9 <process-number>
- Confirm that the process has closed by re-running the command at step 1.
Apr
4
2023
Kill a Stray Process on Linux Using `lsof`
Sometimes local servers get naughty and fail to exit with a signal. They end up occupying a port, and that isn't very pleasant. Here's how to kill them using lsof.