September 2021
Beginner to intermediate
145 pages
3h 14m
English
Content preview from OpenShift for Developers, 2nd Edition
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Chapter 1. A Kubernetes Application Platform
OpenShift gives your applications distributed computing power without forcing you to become a distributed computing expert. Translated into jargon, that means OpenShift is a platform as a service (PaaS).
OpenShift includes tools for building applications from source in composable pipelines. It adds a browser-based graphical interface, the OpenShift Web Console, for deploying and managing workloads. You can point and click to set up network connections, monitoring and alerts, and rules for automatically scaling workloads. An OpenShift cluster applies software updates to itself and its nodes without cluster downtime.
OpenShift is a product from Red Hat. You can run it on your laptop, on a cluster of physical or virtual machines, on all the major cloud providers, and as a managed service. Like most software from Red Hat, OpenShift is developed as an open source project, the OpenShift Kubernetes Distribution (OKD). OpenShift is in turn built atop two open source keystones: application containers and the Kubernetes container orchestrator.
Linux Containers
Containers are an atomic unit of execution. Each running instance of a container is stamped from an Open Container Initiative (OCI) image that packages an application executable with all the pieces it needs to run. These dependencies can include shared libraries, auxiliary programs, language runtimes, and anything else the application requires. Such a self-contained parcel is easier to ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.