Can't listen on port 8081

When i commandreact-native start, it showsPackager can't listen on port 8081.Firstly we should run the following com

When i commandreact-native start, it showsPackager can't listen on port 8081.

Firstly we should run the following command to find id of the process which is using port 8081 .

lsof -i :8081

Then run the following o terminate process.

kill -9 ${PID}