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I noticed today (maybe I’ve noticed before, but forgotten) that the version of flannel in Fedora 23 is older than what’s available in CentOS. It looks like this is because no one tested the more-recent version of flannel in Fedora’s Bodhi, a pretty awesome application for testing packages. Why not? Maybe because it isn’t always obvious how to test a package like flannel, but I here’s how I tested it, and added karma to the package in Bodhi. I use…
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Atomic system updates are at least half of how “Atomic Hosts” earn their Fallout-flavored appellation. Where a standard Fedora, RHEL or CentOS host gets its updates from a sack of RPMs downloaded from various repositories and exploded out where appropriate, the Atomic editions of these distros consume this same software in pre-exploded-and-composed-into-an-image form. One tricky element of consuming your RPMs in a single blob is choosing a package or two to add beyond what’s been composed into the image. I…
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Originally posted on Colin Walters: TL;DR: We’ve improved the host version management in Fedora Atomic Host, and you can now use atomic host deploy $version to atomically switch to a well-known version. Longer version: The awesome Cockpit project has been working on a UI for managing Atomic Host/OSTree updates. See this page for some background on their design. If you download the most recent Fedora Atomic Host release, then atomic host upgrade, you’ll get a new rpm-ostree release which in…
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For the past few years, the only posts I’ve written in this blog have been about this blog, and this post is no different. I make up for it in lack of volume: I’m averaging about one post a year. Two years ago, I wrote about how I’d finally (almost) gotten my static blog all set up the way I wanted it, complete with self-hosted, open-source commenting functionality. Yay! One year ago, I dumped some quick notes about how I’d…
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I blogged somewhat recently about my interest in, and inaction around, static site blogging, where you write blog posts, use an app to turn them into plain HTML, and then drop them somewhere on the web, with no shadow of potentially/eventually vulnerable PHP and MySQL cranking away to deliver dynamically what needn’t be dynamic. I hadn’t yet pulled the trigger on ditching WordPress yet, preferring instead to satisfy my desire for writing posts in plain AsciiDoc-formatted text by copying and…
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A sort of funny thing happened when I was posting my last post, AsciiDokken, about how I’ve been writing and (not)blogging in AsciiDoc, and piping posts up into WordPress via blogpost.py. The dang post wouldn’t upload! I retried it, several times, and eventually it worked. I’m wondering if the issue I experienced has something to do with the recent WordPress 3.6.1 update. Anyhow, it occurred to me that one thing WordPress does pretty well is accept pasted HTML content, and…
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It’s been a long time since I’ve blogged. My last oVirt 3.2 howto has been holding down the front page of this site for a lot of months, and now oVirt 3.3 is just around the corner. Top “haven’t blogged” excuses: Such are blogs, they go unupdated, and blog posts often start with “it’s been a long time since I blogged” (see above). I’ve been expending a bit of my blogging chi by robotically filling and tweaking the links queue…
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I’ve written an updated version of this howto for oVirt 3.3 at the Red Hat Community blog. The latest version of the open source virtualization platform, oVirt, has arrived, which means it’s time for the third edition of my “running oVirt on a single machine” blog post. I’m delighted to report that this ought to be the shortest (and least-updated, I hope) post of the three so far. When I wrote my first “Up and Running” post last year, getting…
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Rock the Vote needed a way to manage the fast growth of the data handled by its Web-based voter registration application. The organization turned to GlusterFS replicated volumes to allow for filesystem size upgrades on its virtualized hosting infrastructure without incurring downtime. Over its twenty-one year history, Rock the Vote has registered more than five million young people to vote, and has become a trusted source of information about registering to vote and casting a ballot. Since 2009, Rock the…
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I’m a big fan of virtualization — the ability to take a server and slice it up into a bunch of virtual machines makes life trying out and writing about software much, much easier than it’d be in a one instance per server world. Things get tricky, however, when the software you want to try out is itself intended for hosting virtual machines. These days, all of the virtualization work I do centers around the KVM hypervisor, which relies on…
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