how to close a localhost port code example

Example 1: windows kill port

netstat -ano | findstr :3001
taskkill /PID <yourid> /F

Example 2: kill the process running on 8080

C:\Users\RevisitClass>netstat -ano | findstr 8080
  TCP    0.0.0.0:18080          0.0.0.0:0              LISTENING       19788
  TCP    [::]:18080             [::]:0                 LISTENING       19788

Example 3: kill the process running on 8080

taskkill  /F  /PID  <Process Id>

Example 4: cli kill what is listening on port

kill $(lsof -t -i:53) #Kill the process listening on port 53

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