The Source

Learn how MicroK8s enables for the fastest and easiest deployment of container management tool Portainer.

What does Netflix, eBay and Walmart have in common? They all use Elasticsearch. What is Elasticsearch? Elasticsearch is a real-time open-source distributed search and analytics engine built on top of Apache Lucene™, a fulltext search-engine library and developed in Java. Elasticsearch started as a scalable version of the Lucene open-sourc

2nd February 2021: Canonical’s Ubuntu Core 20, a minimal, containerised version of Ubuntu 20.04 LTS for IoT devices and embedded systems, is now generally available. This major version bolsters device security with secure boot, full disk encryption, and secure device recovery. Ubuntu Core builds on the Ubuntu application ecosystem to crea

Ubuntu has evolved a lot since its early beginnings as an easier-to-use derivative of Debian that catered primarily to the nascent Linux desktop market. Today Ubuntu is deployed beyond just your laptops at home and in the office.  Nowadays you are more likely to find Ubuntu in the cloud, powering some of the world’s best

Technology is a medium that enables us to achieve things in life, ideally in a pleasant way. In the software world, operating systems, programming languages and application frameworks are the tools of the trade. But you need the right tool for the right job. If you’re thinking about writing or porting your code to snaps,

The web team here at Canonical run two-week iterations. Here are some of the highlights of our completed work from this iteration. Web squad Our Web Squad develops and maintains most of Canonical’s promotional sites like ubuntu.com, canonical.com and more.  Refresh of cloud-images.ubuntu.com The Ubuntu Cloud Images website was overdue a r

Highlights from Canonical & Ubuntu’s activities, content, and product updates around Kubernetes in 2020.

Scaling Keras on Kubernetes with Kubeflow In this week’s blog post, Kirill Goltsman has deconstructed how to use Kubeflow, TFOperator, MPI Operator to train and deploy Keras models at scale. Check out his blog post! How Kubeflow & MLOps can help security David Aronchick, co-founder of Kubeflow and head of OSS ML Strategy at Microsoft

Snaps are designed to be self-contained packages of binaries, libraries and other assets. A snap might end up being quite bulky if the primary application it contains has many additional dependencies. This is a by-product of the snap needing to run on any Linux distribution where dependencies cannot always be expected to be installed. Thi

PostgreSQL is a powerful, open source object-relational database system that is known for reliability, feature robustness, and performance. PostgreSQL is becoming the preferred database for more and more enterprises. It is currently ranked #4 in popularity amongst hundreds of databases worldwide according to the DB-Engines Ranking. The ba

Text editors are a curious product. On one hand, they are simple, no-nonsense digital pads for taking notes, without any embellishments or visual styling. On the other, they are powerful code and data toolboxes, allowing for a great deal of flexibility and innovation. Indeed, software developers, Web developers and entrepreneuring nerds w

13th January 2021 – Canonical, the publisher of Ubuntu, today announced that its Charmed OpenStack has been selected by Telefonica Brazil to – in a first for the region – migrate its online charging system (OCS) to its private cloud, Unica Next. The transformation project will see eight private clouds built on Charmed OpenStack, geographi

Assuring the security of PostgreSQL and all open source database systems is critical as many learned with the PgMiner botnet attacks in December 2020. Having an understanding of, and visibility into, how these attacks happen and following standard best practices is the best way to make sure that your data is not at risk. This

Branches are an under-used but important feature of the Snap Store publishing capabilities. Indeed as I’m writing this post, I’ve never had a need to use the feature, and I’ve been publishing snaps for four and a half years. Let’s fix that! Start with acorns The rationale for branches is simple. Each snap in the

Learn how Charmed OpenStack offers telcos fast networking, security, stability of performance, and optimal SDN and storage options.

Welcome back to our series on MAAS CLI operations. In our previous post, we learned how to acquire and deploy machines using the MAAS CLI. It was also evident that the JSON output from the allocate and deploy commands was very lengthy for even one machine — so you can imagine how large a list