Who has occupied my port?
linux lsof jps Who is listening my port
Time to time you run different stuff and forget to close it in a different terminal window. So the task is to understand which app occupied it
lsof -i :8080
Which ports are listen on my machine
netstat -an | grep LIST
Which ports have open connections
netstat -an | grep EST
Look for java processes on my machine
jps
Look for all processes on my machine
ps ax
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