Upgrade Jenkins to latest version

upgrade_jenkins.sh

#!/bin/bash

## upgrade Jenkins steps

# Stop running Jenkins service
systemctl stop jenkins.service


# Take Jenkins instance Backup as a recovery option

cd /var/lib
tar -cvzf jenkins_backup.tar.gz jenkins/
mv jenkins_date.tar.gz $HOME

# Take The Backup Of the Current Jenkins Version Binary

## find the Binary file
sudo find / -name jenkins.war

cd /usr/share/java/jenkins.war
mv jenkins.war jenkins.war.old

# Download The New LTS Jenkins Version

wget https://updates.jenkins-ci.org/latest/jenkins.war

# start the jenkins service
systemctl start jenkins.service