![]() We will then need to tell Docker to trust the registry that we are going to be using for OpenShift images. Feel free to replace vim with your favourite text editor. Once you have your instance up and running, Docker will need to be installed along with a few requirements. In our tutorial, we are using a 4GB General Purpose instance. ![]() ![]() This guide assumes that you have setup a CentOS 7 instance on Cloud-A and have associated a public IP address with it. OpenShift also allows you to have highly available, self-healing, and auto-scaling applications without any of the manual setup that would typically need to be done in a traditional environment. In OpenShift’s case, this is provided by leveraging Docker and Kubernetes, giving you the ability to have custom, reusable application images. PaaS augments your existing Cloud-A Infrastructure-as-a-Service (IaaS) by providing automated tools that assist developers in running an environment to host their applications on. OpenShift is a Platform-as-a-Service (PaaS) developed by Redhat. More advanced, clustered setup instructions can be found in the OpenShift Origin documentation. For the purposes of this tutorial, we are going to be using a single instance to perform an all-in-one installation. ![]() This is a quick guide to installing OpenShift Origin on a Cloud-A CentOS 7 instance.
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