Upgrading Jenkins

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Upgrading Jenkins

In order to ensure the latest features, security, and compatibility are maintained, we need to update and upgrade our Jenkins installations. In this hands-on lab, we will have the opportunity to upgrade a Jenkins server to the latest available version. We will then ensure all the related tasks, such as data storage and possibly plugin updates, are completed.

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Lab Info

Level

Beginner

Last updated

Sep 19, 2025

Duration

30m

Challenge

Verify Jenkins Requires an Update and Get the Link to the New Version
1. Log in to the Jenkins GUI using the following credentials:
  
  User: student
  
  Password: OmgPassword!
2. Go to Manage Jenkins, and take note of the messages.
3. Copy the download link for the Jenkins WAR file.
Challenge

Log in to the Jenkins Server via SSH and Perform the Update
1. Log in to the Jenkins server via SSH using the credentials provided in the lab.
2. Get the new WAR file by running wget with the link copied from the Jenkins GUI.
3. Copy the old WAR file from /usr/lib/jenkins as a backup.
4. Place the new WAR file in the previous WAR file's place.
5. Restart the Jenkins service.
Challenge

Log in to the Jenkins GUI and Update Plugins
1. Log in to the Jenkins GUI using the following credentials:
  
  User: student
  
  Password: OmgPassword!
2. Verify the version of Jenkins.
3. Update plugins as necessary, and restart as needed.
4. Verify all available updates have been done.

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