The Source

Remember the one-size-fits-all approach to cloud computing? That was five years ago. Today, multi-cloud architectures that use two, three, or more providers, across a mix of public and private platforms, are quickly becoming the preferred strategy at most companies. Despite the momentum, pockets of hesitation remain. Some sceptics are und

Canonical is proud to announce the availability of OpenStack Charms 19.07. This new release introduces a range of exciting features and several improvements which enhance Charmed OpenStack across various areas. Let’s talk about a few notable ones. Percona cluster cold start The percona-cluster charm now contains a new logic and actions to

MAAS has supported provisioning ESXi starting from MAAS 2.5. However, MAAS 2.6 has expanded its support and provides new features that significantly improves the provisioning experience. What is supported? The support MAAS provides for provisioning an operating system varies depending on the operating system in use. Even though MAAS tries

Julia is an open source, high-level, general-purpose, dynamic programming language designed for numerical analysis and computational science, launched in 2012. It solves the “two language” problem: developers can use Julia for both computational and interactive work, instead of needing to work with two different languages which can often

Kubeflow — a machine learning toolkit for Kubernetes – An introduction to Kubeflow from the perspective of a data scientist. This article quickly runs through some key components – Notebooks, Model Training, Fairing, Hyperparameter Tuning (Katib), Pipelines, Experiments, and Model Serving. If you are looking for a quick overview, give thi

Ubuntu 18.04.3 LTS has just been released. For the Desktop, newer stable versions of GNOME components have been included, as well as a new feature – Livepatch desktop integration. As usual with LTS point releases, the main changes are a refreshed hardware enablement stack (newer versions of the kernel, xorg & drivers) and a number

Slow applications are never fun. But not knowing why an application is not behaving correctly can be even more frustrating. A well-designed system that can diagnose performance or startup issues and inform the user about the problem goes a long way toward mitigating the frustration, and may even help resolve the root cause altogether. Bac

Following our previous post on ROS 2 CLI (Command Line Interface), we will see here how one can extend the set of existing CLI tools by introducing a new command and its related verb(s). As support for this tutorial, we will create a ‘Hello World’ example so that the new command will be hello and

Ubuntu has supported ZFS as an option for some time. We started with a file-based ZFS pool on Ubuntu 15.10, then delivered it as a FS container in 16.04, and  recommended it for the fastest and most reliable container experience on LXD. We have also created some dedicated tutorials for users who want to become

Hello Ubuntu Server The purpose of this communication is to provide a status update and highlights for any interesting subjects from the Ubuntu Server Team. If you would like to reach the server team, you can find us at the #ubuntu-server channel on Freenode. Alternatively, you can sign up and use the Ubuntu Server Team

Deciding whether to automate workloads, while designing your ICT infrastructure, is trivial. It’s 2019 and automation is everywhere around. However, deciding which DevOps paradigm to choose and which tool to use, may not be that obvious. In order to assist you with the ‘declarative vs imperative’ decision-making process, this blog briefly

An upstream Kubernetes vulnerability (CVE-2019-11247) has been identified where the API server mistakenly allows access to a cluster-scoped custom resource, if the request is made as if the resource were namespaced. Authorisations for the resource accessed in this manner are enforced using roles and role bindings within the namespace. Thi

Kubeflow v0.6: support for artifact tracking, data versioning & multi-user – version 0.6 includes several enterprise features to support multiple users and better model training pipelines. For multiple users, Kubeflow v0.6 provides a flexible architecture for user isolation and single sign-on. For data, enhancements have been added to Kub

This iteration was fairly light iteration for the Web & design team at Canonical as we had a fair few people on holidays as well as a group who has gone to Toronto for our mid-cycle roadmap sprint.  Here are some of the highlights of our completed work. Web squad Web is the squad that

The open source digital signage platform, Xibo, is now available as a snap – the universal Linux app packaging format. Xibo provides a comprehensive suite of digital signage products, with its Content Management System (CMS) at the heart of this experience-led offering. Xibo for Linux is completely free and natively built for the Xibo CMS

AWS and Canonical today announce the public release of Amazon EC2 Hibernation support for Ubuntu 18.04 LTS. Amazon EC2 Hibernation gives you the ability to launch Amazon EC2 instances, set them up as desired, hibernate them, and then quickly br