Red Hat OpenShift

OpenShift is a family of containerization software. Its flagship product is the OpenShift Container Platform—an, Red Hat’s enterprise Kubernetes distribution to be run on-premises and built around Docker containers running on RHEL.

Timeline

• 2012 OpenShift Origin the open source codebase used in the OpenShift PaaS released
• 2011 Openshift platform is launched based on Linux containers

Releases

• 16/10/2019 Red Hat OpenShift 4.2
• 05/06/2019 Red Hat OpenShift 4.1, Release Notes
• 10/2018 Red Hat OpenShift Container Engine 3.11 https://blog.openshift.com/introducing-red-hat-openshift-container-engine/

Installation

The smallest OpenShift Container Platform clusters require the following hosts:

• One bootstrap machine (can be removed later)
• 3 control plane, or master, machines
• At least 2 compute, or worker, machines

Activities

1. Review differences between Red Hat OpenShift Container Engine and Red Hat OpenShift Container Platform https://blog.openshift.com/introducing-red-hat-openshift-container-engine/
2. Install OpenShift Container Platform 4.2 on bare metal https://docs.openshift.com/container-platform/4.2/installing/installing_bare_metal/installing-bare-metal.html

See also

• Alpine Linux, Red Hat Enterprise Linux CoreOS (RHCOS), apk, addgroup, Debian slim, Bottlerocket, Busybox, Flatcar, Wolfi, alpine:latest
• Containers, OCI: Docker (dockerd), containerd, runc, Podman, buildah, skopeo, lxd, Container Registry, Service mesh, Windows Server containers, Containerpilot, CoreOS, CAdvisor, Containers networking, Container scanning, cosign, CRI, CRI-O, initContainers, Sidecar container, Container images, latest
• Container orchestration: Kubernetes, Nomad, Docker Swarm, OpenShift, Mesos, Marathon, AWS Fargate
• Red Hat OpenShift: Podman, Minishift, releases, Red Hat CodeReady Containers, OKD, OpenShift Virtualization, oc, OpenShift Container Platform (OCP), Hypershift, apps.openshift.io

https://www.redhat.com/en/blog/Announcing-OpenShift-Origin-Open-Source-Code-For-Platform-as-a-Service?source=author&term=2661

https://blog.openshift.com/red-hat-chose-kubernetes-openshift/

https://blog.openshift.com/introducing-red-hat-openshift-4-2-developers-get-an-expanded-and-improved-toolbox/

https://access.redhat.com/announcements/4180011

https://access.redhat.com/documentation/en-us/openshift_container_platform/4.1/html-single/release_notes/index

https://docs.openshift.com/container-platform/4.2/installing/installing_bare_metal/installing-bare-metal.html