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David Beamonte
28 May 2026

VMware hypervisor deployment using MAAS

MAAS Ubuntu tech blog

Most modern datacenters are inherently heterogeneous. VMware environments coexist with container platforms, databases, and other bare-metal workloads, often on the same hardware over several years. Servers are bought once, but their role changes as requirements evolve. However, ESXi (the VMware hypervisor) provisioning is often handled se ...

Rob Gibbon
28 May 2026

Migrating from Apache Spark 3 to Spark 4

Data Platform Ubuntu tech blog

The purpose of this guide is to highlight the key differences between Apache Spark 3 and Spark 4, and provide advice on how to plan a migration. Let’s get started. The biggest changes Let’s talk about the biggest changes between Apache Spark 3.x and Spark 4. Scala 2.12 no more First up, there’s no support ...

Canonical
27 May 2026

Introducing Workshop: launch sandboxed development environments on Ubuntu with a single command

Canonical announcements Ubuntu tech blog

Developers now benefit from consistency and repeatability for cutting-edge workflows, including agentic AI. Today, Canonical announced the release of Workshop, a solution for launching development environments with a single command. These environments are configured once, and can be reproduced on different machines. This means consistent ...

Youssef Eltoukhy
26 May 2026

Run agentic workloads on Arm and Ubuntu

AI Ubuntu tech blog

In the lead-up to Ubuntu Summit 26.04, Canonical and Arm are collaborating to certify the new Arm AGI CPU on Ubuntu 26.04 LTS (Resolute Raccoon). Learn what this means for developers and agentic AI. ...

Miguel Divo
22 May 2026

Decoding design: How design and engineering thrive together in open source

Design Ubuntu tech blog

Open source thrives on engineering-driven processes. Fast feedback loops, terminal tools, Git workflows: they’re the lifeblood of how we build software in the open. But for software to truly excel, we need to create user experiences that empower people to use them. I wanted to bring this conversation into the spotlight as part of Canonica ...

Abdelrahman Hosny
21 May 2026

Developing web apps with local LLM inference

AI Ubuntu tech blog

I’ve yet to meet a developer that enjoys working with metered AI APIs. The need to pay for every API call in development works in direct opposition to the ethos of rapid iteration, and it’s easy for the costs to get out of hand. That’s why Canonical has created a different approach to building AI-powered ...

seth-arnold
21 May 2026

PinTheft Linux kernel vulnerability mitigation

Ubuntu Ubuntu tech blog

A local privilege escalation (LPE) security vulnerability in the Linux kernel, codename “PinTheft,” was publicly disclosed on May 19, 2026. The vulnerability was fixed in the mainline Linux kernel tree. A proof-of-concept exploit was published along with public disclosure. This has been assigned the CVE ID CVE-2026-43494; other discoverin ...

Massimiliano Gori
21 May 2026

Canonical announces fully Managed Kubeflow AI operations platform on the Microsoft Azure Marketplace

AI Ubuntu tech blog

Canonical has announced the general availability of Managed Kubeflow on the Microsoft Azure Marketplace. This fully managed MLOps platform allows enterprise AI teams to deploy a production-ready environment in under an hour, eliminating infrastructure maintenance. ...

Gabriel Aguiar Noury
20 May 2026

A look into Ubuntu Core 26: Cloud-powered edge computing with AWS IoT Greengrass and Azure IoT Edge

Internet of Things Ubuntu tech blog

Welcome to this blog series which explores innovative uses of Ubuntu Core. Throughout this series, Canonical’s Engineers will show what you can build with this Core 26 release, highlighting the features and tools available to you.  In this first blog, Michael Croft-White, Engineer Director for Canonical’s Telemetry team, will show you how ...

Luci Stanescu
19 May 2026

CVE-2026-46333 (ssh-keysign-pwn) Linux kernel vulnerability mitigations

Ubuntu Ubuntu tech blog

An information disclosure security vulnerability in the Linux kernel was publicly disclosed on May 15th, 2026. The vulnerability was reported by Qualys and fixed in the mainline Linux kernel tree. A proof-of-concept exploit was published soon after public disclosure. The ID CVE-2026-46333 was assigned, but the vulnerability is also referr ...

Canonical
19 May 2026

Canonical launches Ubuntu Core 26

Canonical announcements Ubuntu tech blog

Ubuntu Core 26 introduces precise Linux builds, optimized OTA updates, live kernel patching, and enhanced hardware-backed protection for mission-critical deployments. May 19, 2026 Today, Canonical announced the general availability of Ubuntu Core 26, its minimal, immutable operating system with up to 15 years of security maintenance.  Ubu ...

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