how to kill a service using pid code example

Example 1: 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/

Example 2: how to kill running process in linux

ps ux # list the running Process with PID
kill xxxx # hear xxxx is the process id