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Canonical/Ubuntu: Juju, LZ4, and Ubuntu Podcast from the UK LoCo

Submitted by Roy Schestowitz on Friday 24th of August 2018 03:11:39 PM Filed under
Ubuntu
  • The Road to K8s/vSphere Integration

    Recently, Juju began supporting cloud-native features via “integrator” charms (e.g.: aws-integrator, gcp-integrator, openstack-integrator). These allow charms to request things like persistent storage from a cloud provider without having to shuffle your super-secret credentials around to all the applications in your deployment.

    The way an integrator charm works is simple: you entrust it (and only it) with your Juju credentials for a particular cloud and then relate it to charms that want to make cloud-native requests. The integrator will ensure appropriate roles are created, submit a request to the cloud, and then notify the requesting charm that enough data is available to start using the new resource.

    Lately I’ve been testing Canonical Kubernetes (CDK) on the VMware vSphere platform — to Juju, vSphere is supported like any other cloud. I really needed persistent storage for my pods and thought, “it sure would be nice if there was a vsphere-integrator that I could use for this.” So I wrote one.

  • Ubuntu/Debian Add LZ4-Compressed Initramfs Support, Will Auto Decide LZ4/XZ Choice

    Back in March was the discussion about Ubuntu 18.10 considering an LZ4-compressed kernel image (initamfs) by default while now action has been taken on this support and coming up with a new default.

    With the latest Ubuntu and Debian packages, compressing the initramfs using LZ4 is now supported. Ubuntu up to this point has been using the basic Gzip compression support. The benefit to using an LZ4-compressed image is much quicker decompression than alternative algorithms but it does mean a slightly larger file size.

  • Ubuntu Podcast from the UK LoCo: S11E24 – Mr. Penumbra’s 24-Hour Bookstore - Ubuntu Podcast

    It’s Season 11 Episode 24 of the Ubuntu Podcast! Alan Pope, Mark Johnson and Martin Wimpress are connected and speaking to your brain.

»

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