selenium - how to stop and resume jenkins service -


i got confused, how stop/start jenkins after have installed jenkins.war on terminal script

java -jar jenkins.war -httpport=8080

cause if run above code again, error cause port in use. can uninstall it, it's wasting time if need jenkins must uninstall , install again. need knows how stop/start command without uninstall installed jenkins

thanks

if have administrative right should able access following url. confirm restart. 

http://<jenkins_ip>/restart

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