kill process by id code example

Example 1: kill pid

lsof -i:3000           // Change 3000 to whatever your port is!
sudo kill 9 <PID>      // Change <PID> to the Pid number the above command returns

Example 2: linux kill process

ps aux | grep chrome

Example 3: kill process from pid

kill SIGNAL PID

#Example
kill -9 3827

#See more information from : https://www.linux.com/training-tutorials/how-kill-process-command-line/