How to Update your Jenkins version and fix Vulnerabilities? Watch This Upgrade Tutorial
GITHUB Repo Link:
https://github.com/Aseemakram19/jenki...
Here are the steps to upgrade Jenkins due to vulnerabilities, explained in short with the perspective of a DevOps engineer: Summary of Why This Matters (DevOps Perspective): • Vulnerability Management: Regular updates help mitigate security risks. • Minimal Downtime: Ensuring Jenkins is stopped only during the upgrade prevents errors. • Automation Friendly: This process can be automated using scripts or pipelines for consistency. • Backup Ready: Backing up the old file ensures rollback capability if issues arise with the new version.
This process ensures that Jenkins is up-to-date and free from vulnerabilities, maintaining security and stability in your CI/CD pipelines.
Verify the Existing Jenkins Version jenkins –version • Ensure you know the current version, 2.426.2. • This helps verify the upgrade after the process.
Jenkins Dashboard
Navigate to the Jenkins WAR File Location cd /usr/share/java
• Jenkins WAR files are usually stored in /usr/share/java. • This is where you will replace the old WAR file with the latest version.
Backup the Existing Jenkins WAR File cp jenkins.war jenkins.war_backup • Always create a backup in case of issues during the update.
Stop the Jenkins Service sudo systemctl stop jenkins • Ensure Jenkins is stopped to prevent conflicts while updating the WAR file.
Remove the Old Jenkins WAR File rm jenkins.war • Delete the outdated version to avoid confusion and vulnerabilities.
Download the Latest Jenkins WAR File wget https://get.jenkins.io/war-stable/lat... • Download the latest stable version from Jenkins' official site to patch known vulnerabilities.
Start and Reload Jenkins Service sudo systemctl start jenkins sudo systemctl reload jenkins • Start the Jenkins service and reload the configuration to apply updates.
Verify Jenkins Status and Updated Version sudo systemctl status jenkins jenkins --version • Ensure the service is active and verify the new version, 2.462.3.
Access Jenkins Server on Browser IP:8080
Review the no Vulnerabilities Suggestions .
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