address already in use 3000 node code example

Example 1: address already in use :::3000

lsof -i:3000 
kill -9 [PID]

Example 2: EADDRINUSE: address already in use :::5000

sudo lsof -i :3000

Example 3: Error: listen EADDRINUSE: address already in use :::9000

step-1 Enter commond to see running ports & processes
ps -ef
step-2 To stop port and processes
sudo kill {PID}

Example 4: Error: listen EADDRINUSE: address already in use :::3000

C:\Windows\System32>taskkill /F /IM node.exe
SUCCESS: The process "node.exe" with PID 11008 has been terminated.