Django Server Error: port is already in use

Question

Restarting the Django server displays the following error:

this port is already running....

This problem occurs specifically on Ubuntu and

Answer 1

It seems that IDEs, VSCode, Puppeteer, nodemon, express, etc. causes this problem, you ran a process in the background or just closed the debugging area [browser, terminal, etc. ] or whatever , anyway, i have answered same question before, Here you are it's link

https://stackoverflow.com/a/49797588/2918720