Jenkins is a continuous integration (CI) server written in Java. It’s a pretty common solution for self-hosted CI servers. A lot of the documentation for installing on OS X is a little old (OS X has changed a lot when it comes to say, Java, in the last few years) and it seemed a good plan to write up something a bit newer. I host a Jenkins instance on a hosted Mac mini with Macminicolo. In addition to Yosemite, it’s also got the OS X Server package installed, Open Directory (which is Appl...