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JetPack 4 EOL – how to keep your userspace secure during migration

NVIDIA JetPack 4 reached its end-of-life (EOL) in November 2024, marking the end of security updates for this widely deployed stack. JetPack 4 has driven innovation in countless devices powered by NVIDIA Jetson, serving as the foundation of edge AI production deployments across multiple sectors. But now, the absence of security maintenanc

Source to production: Spring Boot containers made easy

This blog is contributed by Pushkar Kulkarni, a Software Engineer at Canonical. Building on the rise in popularity of Spring Boot and the 12 factor paradigm, our Java offering also includes a way to package Spring workloads in production grade, minimal, well organized containers with a single command. This way, any developer can generate

Spring support available on Ubuntu

This blog is contributed by Vladimir Petko, a Software Engineer at Canonical. The release of Plucky Puffin earlier this year introduced the availability of the devpack for Spring, a new snap that streamlines the setup of developer environments for Spring on Ubuntu. In this blog, we’ll explain what devpacks are and provide an overview of

Live Linux kernel patching with progressive timestamped rollouts

In internet connected environments, where Ubuntu instances can reach livepatch.canonical.com, Livepatch Client supports timestamp-based rollout configurations. Organizations can implement controlled and predictable update pipelines from staging to production environments, without the hassle of deploying a self-hosted Livepatch Server, and

Chiseled Ubuntu containers for OpenJRE 8, 17 and 21

Today we are announcing chiseled containers for OpenJRE 8, 17 and 21 (Open Java Runtime Environment), coming from the OpenJDK project. These images are highly optimized for size and security, containing only the dependencies that are strictly necessary. They are available for both AMD64 and ARM64 architectures and benefit from 12 years of

Introducing Canonical builds of OpenJDK

Java has long been the most popular language for software development in large enterprises, with 90% of Fortune 500 companies using it for backend development, particularly in industries like finance, healthcare, and government.  Java developers, more than most, are tasked with balancing the implementation of new features against the crit

Update Livepatch Client for the newest kernel module signing certificate

The kernel engineering team at Canonical has generated a new module signing certificate on May 16, 2025, and it is embedded in all Ubuntu kernels published after that date. Livepatch Client version 10.11.2 published on June 13, 2025 includes this new certificate. Livepatch Client 10.11.2 or greater is required to successfully Livepatch al

How to get a job at Canonical

If you’re interested in applying for a role at Canonical, it can help to have some insider guidance. This article offers practical advice for candidates and some explanation to provide context. A lot has been written on social media about Canonical and our hiring processes. Some of it is even true. I share responsibility for


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How is Livepatch safeguarded against bad actors?

What safeguards the Livepatch security patching solution against bad actors and malicious code masquerading as an update? Learn about Secure Boot and module signing.

Accelerating data science with Apache Spark and GPUs

Apache Spark has always been very well known for distributing computation among multiple nodes using the assistance of partitions, and CPU cores have always performed processing within a single partition.  What’s less widely known is that it is possible to accelerate Spark with GPUs. Harnessing this power in the right situation brings imm

Cut data center energy costs with bare metal automation

Data centers don’t have to be power-hungry monsters. With smart automation using tools like MAAS, you can reduce energy waste and operational costs, and make your infrastructure greener, without sacrificing performance or flexibility.

Build the future of *craft: announcing Starcraft Bounties!

Our commitment to building a thriving open source community is stronger than ever. We believe in empowering impactful contributions, and today, we’re excited to launch a new pilot initiative that puts this vision directly into your hands: the Starcraft Bounties Program. This isn’t just about small fixes; it’s an invitation to tackle signi

Native integration now available for Pure Storage and Canonical LXD

Canonical, the company behind Ubuntu, and Pure Storage, the IT pioneer delivering enterprise-grade all-flash storage, have partnered to introduce a native integration between LXD and Pure Storage FlashArray. This collaboration allows organizations to combine open source virtualization with industry-leading block storage to achieve unmatch

Ubuntu Core is now available on MediaTek’s Genio platform

This is the first optimized Ubuntu Core image available on MediaTek’s Genio 350, 510, 700, and 1200 platforms released under the strategic partnership between Canonical and MediaTek Inc.  Today Canonical, the publisher of Ubuntu, and MediaTek announce the official Ubuntu Core launch of the very first optimized Ubuntu Core image for MediaT

Effective infrastructure automation to reduce data center costs

To truly reduce OpEx, you must shift your perspective from seeing operations as custom, artisanal work to one where operations are standardized, automated, and repeatable.  In other words, commoditized.

What are our partners building for device makers? Explore the highlights from Ubuntu IoT Day Singapore

Our first Ubuntu IoT Day in Southeast Asia – and our first ever event in Singapore! It was long overdue, as several attendees were quick to remind us. Ubuntu has long been a quiet force in the region, powered by its rich ecosystem of innovators. More than 150 participants came together to represent Southeast Asia’s


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