Update Jenkins on Ubuntu

I’ve got an installation of Jenkins on a Ubuntu 14.04.5 LTS which I needed to update. In order to do so I did the following:

1. Download the new version (2.107 at the moment of writing this post). In /home/user/backup/ execute:
   wget http://updates.jenkins-ci.org/download/war/2.107/jenkins.war

   1 2	wget http://updates.jenkins-ci.org/download/war/2.107/jenkins.war

2. Backup the old version (Jenkins war is installed in /usr/share/jenkins):
   sudo cp /usr/share/jenkins/jenkins.war /home/user/backup/jenkins-2.8.war

   1 2	sudo cp /usr/share/jenkins/jenkins.war /home/user/backup/jenkins-2.8.war

3. Overwrite the old jenkins.war:
   sudo cp /home/user/backup/jenkins.war /usr/share/jenkins/jenkins.war

   1 2	sudo cp /home/user/backup/jenkins.war /usr/share/jenkins/jenkins.war

4. Restart jenkins
   sudo service jenkins restart

   1 2	sudo service jenkins restart

Now, you’re all set and you can start updating the plugins.

HTH,

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