Month: December 2018

HOWTO

RHEL 8 Configure IP Address

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Red Hat Enterprise Linux 8 (RHEL 8) has deprecated the network scripts that have been used in previous RHEL releases. RHEL 8 now comes with new versions of the ifup and ifdown commands which call the nmcli tool. What does deprecated mean? From the Red Hat Enterprise Linux 8 Beta Release notes: Deprecated functionality continues […]

HOWTO

Undervolting the CPU

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ThinkPad P1

The ThinkPad P1 features a very powerful CPU inside a relatively small chassis.  As a result the CPU fans can activate more often than is wanted and the amount of time you can spend on battery can be reduced.  There are a couple of tools to help with this. In Windows, the Intel XTU utility […]

Containers

Virtual Machines In A Container

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containers

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 […]

Containers

Buildah, Podman and CRIO-O

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containers

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 […]

OpenShift

Openshift 4 preview now available

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Openshift 4 is now available as a preview that is free to try. It’s currently released as a Developer Preview and is available at: https://try.openshift.com/ Need a hand getting started?  The following Git repository has all you need: derekwaynecarr on GitHub: OpenShift The Easy Way Get started with the @openshift 4 preview. https://t.co/KQGY4pBytg — Unix […]

Containers

Podman with Kata Containers on RHEL 8

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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 […]

Red Hat Satellite

Red Hat Satellite 6.4.1

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Satellite

Red Hat Satellite 6.4.1 is now available. The main fixes appear to be around upgrades so if you haven’t moved from Satellite 6.3 to 6.4, now is a good time to do so. Here are the relevant links: Red Hat Satellite 6.4.1 is now generally available RHBA-2018:3799 Satellite Server 6.4.1 errata RHBA-2018:3797 Satellite Tools 6.4.1 […]