Upgrade the Jenkins running in a Docker container
If you are using Docker for running Jenkins CI server chances are you will get messages such as a "New version of Jenkins is available for download" Now if you want to upgrade your Jenkins server follow the steps below: 1. Login to your jenkins container docker container exec -u 0 -it jenkins bash 2. Change the directory to jenkins folder cd /usr/share/jenkins 3. Take a backup of your old jenkins.war file mv jenkins.war jenkins.war_bak 4. Download the latest version of jenkins wget http://updates.jenkins-ci.org/download/war/2.164.3/jenkins.war 5. Change permission of the file chown jenkins:jenkins jenkins.war 6. Exit the container and restart it exit docker container restart jenkins