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Sohini Bianka Roy
31 March 2021

Announcing Ubuntu on Windows Community Preview – WSL 2

Ubuntu Ubuntu tech blog

We are thrilled to release the Ubuntu on Windows Community Preview, a special build of Ubuntu for the Windows Subsystem for Linux (WSL) that serves as a sandbox for experimenting with new features and functionality. The new Ubuntu on Windows Community Preview is our way of thanking our community and providing a space for the community to ...

anastasiavalti
31 March 2021

How to choose the best enterprise Kubernetes solution

Ubuntu Ubuntu tech blog

While containers are known for their multiple benefits for the enterprise, one should be aware of the complexity they carry, especially in large scale production environments. Having to deploy, reboot, upgrade or apply patches to patches to hundreds and hundreds of containers is no easy feat, even for experienced IT teams. Different types ...

Leia Ruffini
30 March 2021

Ubuntu in the wild – 30th of March 2021

Cloud and server Ubuntu tech blog

The Ubuntu in the wild blog post ropes in the latest highlights about Ubuntu and Canonical around the world on a bi-weekly basis. ...

Nikos Mavrogiannopoulos
30 March 2021

What lies on the second phase of Ubuntu LTS? Two years of Ubuntu 14.04 in ESM

Security Ubuntu tech blog

Two years ago, we launched the Extended Security Maintenance (ESM) phase of Ubuntu 14.04, providing access to CVE patches through an Ubuntu Advantage for Infrastructure free or paid subscription. This phase extended the lifecycle of Ubuntu 14.04 LTS, released in April 2014, to a total of ten years, ending in April 2024. During the ESM ...

Alex Chalkias
30 March 2021

Windows containers on Kubernetes with MicroK8s

Cloud and server Ubuntu tech blog

Kubernetes orchestrates clusters of machines to run container-based workloads. Building on the success of the container-based development model, it provides the tools to operate containers reliably at scale. The container-based development methodology is popular outside just the realm of open source and Linux though. Exactly the same bene ...

Sohini Bianka Roy
29 March 2021

Operators and charmed operators

Charms Ubuntu tech blog

Operators were designed to help manage application lifecycle complexity. If you’ve been working with Kubernetes, you will have run into operators. Operators are designed to automate typical maintenance tasks, from installation to back-ups and scaling. What might surprise you is that operators are capable of doing so much more. Enter the c ...

Anthony Dillon
29 March 2021

Design and Web team summary – 29 March 2021

Design Ubuntu tech blog

The web team at Canonical run two-week iterations building and maintaining all of Canonical websites and product web interfaces. Here are some of the highlights of our completed work from this iteration. Web squad The Web Squad develops and maintains most of Canonical’s sites like ubuntu.com, canonical.com and more.  In this iteration, th ...

Sohini Bianka Roy
28 March 2021

Beyond Helm and Kustomize: the Future of Kubernetes Apps

Juju Ubuntu tech blog

Deciding if you should install Helm vs Kustomize for your Kubernetes deployment? These are great options for day-1 operations but they leave a lot left to be desired on day-2. Charmed Operator Lifecycle Manager and Charmed Operators help you manage the entire lifecycle and allow charms to easily integrate with one another while taking car ...

Alex Chalkias
27 March 2021

Call for testing: Kubernetes 1.21 release candidate

Ubuntu Ubuntu tech blog

Today, Kubernetes upstream made the 1.21 release candidate available for download and experimentation ahead of general availability, which will come later in April. Woohoo! We would love to get your feedback ahead of the general release and hear about any bugs or issues you find. Or, if you just want to give the bleeding edge ...

Canonical
26 March 2021

Livepatch 2021-03-24 incident investigation report

Canonical announcements Ubuntu tech blog

Description A defective livepatch for kernel 4.4 in Ubuntu 16.04 LTS (Xenial) was not caught in internal testing processes because the defect was a race condition, triggered by workload-specific behaviour, under load. The livepatch would cause the madvise system call to block indefinitely, and thus cause lockup to the processes using the ...

Igor Ljubuncic
26 March 2021

What’s in a snap?

Desktop Ubuntu tech blog

Snaps are several things, all at once. They are confined, standalone Linux applications that bundle all their necessary dependencies, which means they do not need to rely on the underlying system, and can run independently of it. Snaps are also packaged as compressed Squashfs filesystems, using the .snap extension. For most users, they ar ...

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