How to upgrade Jenkins

Jenkins regularly releases new versions. To upgrade Jenkins

On Linux

To install the Generic Java Package (.war)

1. Write down the current version of Jenkins you have on your server
2. Download the Jenkins “Generic Java Package (.war)” file from https://jenkins.io/download/to your workstation
3. Upload the installer to Artifactory or other HTTP repository
4. SSH into the Jenkins server
5. Switch to sudo mode
6. Stop the Jenkins service with

   service jenkins stop

7. Navigate to the Jenkins directory

   cd /usr/lib/jenkins/

8. Rename the current Jenkins .war file to include the version, so you can restore it if the new version does not work as expected

   mv jenkins.war jenkins_2.46.3.war

9. Download the Jenkins war file from Artifactory

   url -O http://THE_IP_ADDRESS_OF_THE REPOSITORY/.../jenkins.war

10. Start the Jenkins service

    service jenkins start