The History of Unix
Posted onA really interesting talk by Rob Pike on the history of Unix. As much as we use new technologies today and get excited by the new opportunities they bring, it’s sometimes fun to see how it all began.
RHEL 8 Configure IP Address
Posted onRed 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 […]
Undervolting the CPU
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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 […]
Virtual Machines In A Container
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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
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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 4 preview now available
Posted onOpenshift 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 […]
Podman with Kata Containers on RHEL 8
Posted onThe 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 6.4.1
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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 […]
Fedora on a ThinkPad P1
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Note, this post is based on Fedora 29. For a more recent experience, see Fedora 30 on a ThinkPad P1. Following on from the successful RHEL8 on a ThinkPad P1 installation I thought I would revisit my Fedora install. Specifications As a reminder, here are the specifications of the ThinkPad P1: ThinkPad P1 model 20MDCTO1WW […]
RHEL 8 on a ThinkPad P1
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Following on from my earlier posts concerning the availability of the RHEL 8 Beta and having taken a Backup with Clonezilla of my ThinkPad P1 I thought it was a good opportunity to test RHEL 8 on this new laptop. The specs of the laptop are as follows: ThinkPad P1 model 20MDCTO1WW Intel(R) Xeon(R) E-2176M […]