Linux containers is a generic term for an implementation of operating system-level virtualization for the Linux operating system. Currently, a number of such implementations exist, and they are all based on the virtualization, isolation, and resource management mechanisms provided by the Linux kernel, notably Linux namespaces and cgroups.
Common container technologies include:
About 10 days ago I was lucky enough to attend the OpenShift Commons Gathering at Savoy Place in London. I’m familiar with RHEL and many of the other Red Hat products, however OpenShift is still relatively new to me. OpenShift 4 is due to become Generally Available (GA) in March or April, therefore, it was […]
Awesome post covering the Kubernetes scheduler in some detail: https://t.co/hMZxqyp0tT — robb manes (@robbmanes) December 28, 2018
Kubernetes clusters for the hobbyist. How to setup and operate a fully functional, secure Kubernetes cluster on a cloud provider https://t.co/rswy6vuofP — Unix Sys Admin (@UnixSysAdmin) December 27, 2018
From the blog post: https://blog.openshift.com/re-imagining-virtualization-with-kubernetes-and-kubevirt/ KubeVirt is designed to maintain a balance by providing virtualization capabilities, yet keeping the Kubernetes philosophy and semantics. This enables a transition path where virtual machines can behave the same as before but also leverage Kubernetes infrastructure, tools, management. Re-Imagining Virtualization with @kubernetesio, @KubeVirt and @openshift https://t.co/Mg8QmUBNIA — Itamar Heim […]
Buildah, Podman and CRIO-O. What are they and how to they relate to each other? From the blog post Buildah and Podman Relationship: CRI-O was created to provide a lightweight runtime for Kubernetes which adds an abstraction layer between the cluster and the runtime that allows for various OCI runtime technologies Buildah allows you to […]
The following blog shows you how to run Kata Containers on RHEL 8 using podman: Kata Containers + podman in RHEL8 Beta What are Kata Containers? Kata Containers is a new open source project building extremely lightweight virtual machines that seamlessly plug into the containers ecosystem. Find out more at https://katacontainers.io/ Virtualization or Containers? Why […]
This week the OpenShift Commons Briefing held a very informative webinar focusing on the plans for CoreOS. If you are currently running containers – OpenShift or otherwise – then you’ll be especially interested in the video at the end of this post. Red Hat acquired CoreOS earlier this year. Project Atomic and CoreOS Container Linux […]
Red Hat Openshift recently announced a Technology Preview program for Istio on Red Hat OpenShift. This preview works with Red Hat OpenShift Platform 3.10. Istio on @openshift is now available as a Technology Preview. https://t.co/iVKgFtxNcR — Unix Sys Admin (@UnixSysAdmin) October 1, 2018 This annoucement was very timely given the recent release of Istio 1.0 […]
I was fortunate to attend Red Hat Summit earlier this year and managed to attend one of the sessions run by Dan Walsh of Red Hat. In the following talk he gives an overview of the evolution of containers and introduces some of the great work that the Open Container Initiative has brought us in […]
Linux Journal recently posted a great article titled The Search for a GUI Docker which covered a number of different graphical tools you can use to manage Linux containers. The article does a nice job of showing the capabilities of each of the tools, links to which can be found below: https://kitematic.com/ https://dockstation.io/ https://portainer.io/ https://github.com/lirantal/dockly […]