Skip to main content

The Source

Stay informed: 
The software operator design pattern: advantages – part 4

The software operator is a design pattern. Its design is based on successful applications where this approach was found useful. In other words, it’s a proven approach that can be recommended to others. But like all approaches, it’s important to understand their positive and negative impact. Software developers need to understand when the

Multipass documentation: proudly a work in progress

In February of this year the Multipass team took on a challenge: completely overhauling our documentation. Canonical has put a renewed emphasis on documentation in recent months, led by Daniele Procida and his Diataxis framework, and we wanted to be an early adopter of this methodology. We had no idea where to start, but fortunately

What’s new in Charmed Ceph with Ceph Quincy on Ubuntu 22.04 LTS?

Along with the usual bug fixing, maintenance, and upstream version enablement work that goes into every Charmed Ceph release, we also worked on a number of new features in this cycle. Stand-alone NFS shares In Ceph, you can use CephFS for your network file share needs, but sometimes there are applications or use cases that

What’s new in Security for Ubuntu 22.04 LTS?

Canonical Ubuntu 22.04 LTS is the latest long term support release of Ubuntu, one of the world’s most popular Linux distributions. As a Long Term Support release, Ubuntu 22.04 LTS will be supported for 10 years, receiving both extended security updates and kernel livepatching via an Ubuntu Advantage subscription (which is free for persona

The new classic confinement in snaps – Even the classics need a change

As part of their fundamental, security-driven design, snaps are meant to run isolated from the underlying system. In most cases, the idea works well, and granular access to system resources using the mechanism of interfaces allows snap developers to ship their applications packaged with strict confinement. However, there are some scenario

Weave Cybersecurity into your product design

How important security is for your application and digital services? “Very important”, this is the answer we get the most often from Product Managers and Executives. Nobody wants the malware to take advantage of the vulnerabilities of their applications. However, any access point to the internet can be an entry point for hackers. Consider

New Active Directory Integration features in Ubuntu 22.04 (part 3) – Privilege Management

Linux Active Directory (AD) integration is historically one of the most requested functionalities by our corporate users, and with Ubuntu Desktop 22.04, we introduced ADsys, our new Active Directory client. This blog post is part 3 of a series where we will explore the new functionalities in more detail. The latest Verizon Data Breach rep

The private cloud future: Data centres as a service

How to build a future-proof private cloud that offloads the operational complexity and allows you to focus on innovation and digital transformation.


Newsletter signup

Get the latest Canonical news and updates in your inbox.

By submitting this form, I confirm that I have read and agree to Canonical's Privacy Policy.

Operator Day at Kubecon EU 2022 – recordings available!

The Operator Day at Kubecon EU 2022, hosted by Canonical, took place on Monday 16 May  2022. We thank everyone for attending the event. Our thanks go out especially to those who engaged with us via chat during the online event. We enjoyed answering questions and having conversations during the presentations.  If you missed Operator

How are we improving Firefox Snap performance? Part 2

Improving Firefox snap performance is one of our top priorities. In part 2 of this series, we give an update on our progress and latest fixes.

Master IoT software updates with validation sets on Ubuntu Core 22

If you are packaging your IoT applications as snaps or containers, you are aware of the benefits of bundling an application with its dependencies. Publishing snaps across different operating system versions and even distributions is much easier than maintaining package dependencies. Automated IoT software updates make managing fleets of d

What you’re missing out if you don’t try Ubuntu Core 22

Ubuntu Core is the operating system for IoT and edge Ubuntu Core, the Ubuntu flavour optimised for IoT and edge devices, has a new version available. With a 2-year release cadence, every new release is both an exciting and challenging milestone. Ubuntu Core is based on Ubuntu. It is open source, long-term supported (LTS), binary

Canonical Ubuntu Core 22 is now available – optimised for IoT and embedded devices

The ultra-secure embedded Ubuntu introduces support for real-time compute in robotics and industrial applications. 15 June 2022: Canonical today announced that Ubuntu Core 22, the fully containerised Ubuntu 22.04 LTS variant optimised for IoT and edge devices, is now generally available for download from ubuntu.com/download/iot. Combined

Composable infrastructure, sustainable computing and more: OIS 2022 highlights

OIS 2022 is over, but the OpenInfra community stays tuned for the next OpenInfra Summit, taking place in Vancouver in 2023! This year’s summit in Berlin offered a lot of insightful keynotes and technical sessions. Speakers discussed the most recent trends in the industry, including composable infrastructure and sustainable computing, and

The software operator design pattern: May the force be with you – Part 3

The software operator is a design pattern. A design pattern describes the approach to cover the operational tasks of an application’s implementation. The first post in this series introduced the concept of a design pattern in general. The second post covers the software operator design pattern in particular. In the second part, we also ex

What is NoSQL and what are database operators?

In the previous blog, SQL vs NoSQL Database, we discussed the difference between two major database categories. In a nutshell, the main difference between NoSQL and SQL is that NoSQL adopts a ‘right tool for the job’ approach, whilst SQL adopts a ‘one tool for all the jobs’. While SQL remains a standard in organisations


Ubuntu tech blog

Deep dives for developers

Visit the Ubuntu Tech Blog for deep dives into product features, step-by-step tutorials, and the latest updates from Canonical's engineering teams.