How to upgrade Jenkins to 2.414
Introduction
Jenkins is an open-source automation server. It helps automate the parts of software development related to building, testing, and deploying, facilitating continuous integration and continuous delivery
Prerequisite
1. A user with sudo privileges
2. Jenkins console logins
Implementation
Step 1: Stop Jenkins service
| $ sudo service jenkins stop |
Step 2: Take Jenkins instance backup as a recovery option
| $ cd /var/lib$ tar -cvzf jenkins_date.tar.gz jenkins/$ mv jenkins_date.tar.gz $HOME |
Step 3: Take the backup of the current Jenkins version binary
| $ cd /usr/share/jenkins$ mv jenkins.war jenkins.war.old |
Step 4: Download the new LTS Jenkins version
Step 5: Start the Jenkins service
| $ service jenkins start |
Step 6: If Jenkins start-up but with multiple exceptions errors on the Jenkins web page, we need to update the plugins
Step 7: Stop Jenkins service
| $ sudo service jenkins stop |
Step 8: Rename the config.xml file to config.xml.old which will disable authentication and other configurations
| $ cd /var/lib/jenkins$ mv config.xml config.xml_bk |
Step 9: Start the Jenkins service. It will create a new config.xml file
| $ service jenkins start |
Step 10: Jenkins will start without the login page → Go to Manage Plugins and update all the plugins
Step 11: Stop Jenkins service
| $ sudo service jenkins stop |
Step 12: Rename the current config.xml file that was created to config.xml.new
Step 13: Rename the initial customed config.xml.old file to config.xml
Step 14: Start the Jenkins service
