Answers for "port already in use error"

mac error that port is already in use

sudo lsof -t -i tcp:8000 | xargs kill -9

port 8080 already in use

netstat -ano | findstr 8080

port 8080 already in use

taskkill /F /pid 1088

Error: That port is already in use.

# list the running ports
$ netstat -ltnp
# kill specific port in my case for django 8000. kill using PID
$ kill -9 31434