Send kill signal to all instances of a process by name (must be exact name). All signals except SIGKILL and SIGSTOP can be intercepted by the process, allowing a clean exit. More information: https://manned.org/killall.
killall {{process_name}}
killall --list
killall -i {{process_name}}
<Ctrl c>
:killall -INT {{process_name}}
killall -KILL {{process_name}}