On Debian-based distributions, such as Ubuntu, you can install Jenkins through apt-get.
You need to have a JDK and JRE installed. openjdk-7-jre and openjdk-7-jdk are suggested. As of 2011-08 gcj is known to be problematic - see https://issues.jenkins-ci.org/browse/JENKINS-743.
Please make sure to back up any current Hudson or Jenkins files you may have.
Once installed like this, you can update to the later version of Jenkins (when it comes out) by running the following commands:
(aptitude or apt-get doesn't make any difference.)
The Ubuntu Jenkins maintainer also maintains the Juju charm deployment/management script for deployment in clouds. It's designed to make it easy to deploy a master with multiple slaves:
The default password for the 'admin' account will be auto-generated. You can set it using:
Always change it this way - this account is used by the charm to manage slave configuration. Then feel free to expose your jenkins master:
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