Red Hat, the enterprise Linux company, operates OpenShift, a cloud-hosting solution. OpenShift offers several options for how you want to deploy your apps—via a web-based interface, via the command line, or through an online IDE. As we've worked on the command line for our other deployment examples, we'll do the same with OpenShift.
Once you've joined and confirmed your account, you will need to install the OpenShift client tools—
rhc. For the purposes of this section, I'll use the Mac OS X client. Regardless of which package you happen to choose, the command set remains the same:
sudo gem install rhc gem update rhc
This will install the client and update it to the latest version.
Once installed, you will need ...