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Here’s a clear and detailed how-to guide for how to deploy Keycloak on Ubuntu VPS. This guide uses Keycloak in standalone mode with PostgreSQL as the database and NGINX as a reverse proxy with SSL. What is Keycloak? Keycloak is an open-source identity and access management (IAM) solution developed by Red Hat. It provides authentication, […] The post 🚀 How to Deploy Keycloak on Ubuntu VPS (5…

This article provides a guide to configure OpenLiteSpeed as a reverse proxy for Metabase. What is OpenLiteSpeed? OpenLiteSpeed Web Server is great for building and deploying web applications. The WebAdmin Console enables you to quickly configure features that allow you to deliver a fast web application that your users will love. What is Metabase? Metabase is a […] The post 7 Steps to Easily…

Open source software is known for its ability to lower IT costs. But in 2025, affordability is only part of the story. A new Linux Foundation report, The strategic evolution of open source, reveals that open source has evolved from a tactical cost-saving measure to a mission-critical infrastructure supporting enterprise-grade investments, and delivering stronger business outcomes as a…

Enhanced Android device simulation, smarter diagnostics, and OIDC-enforced authentication The Anbox Cloud team has been working around the clock to release Anbox Cloud 1.28.0! We’re very proud of this release that adds robust authentication, improved diagnostic tools, and expanded simulation options, making Anbox Cloud even more secure, flexible, and developer-friendly for running large-scale…

FIPS 140 is a highly demanding security standard that’s mandatory for almost all high-security and federal environments. It can be hard to get right and may be a daunting part of the journey for those trying to meet compliance requirements like FedRAMP or CMMC. We get a lot of questions about FIPS 140-3, and so we decided to put together this comprehensive collection of video resources to answer…

Sylva 1.5 becomes the first release to include Kubernetes 1.32, bringing the latest open source cloud-native capabilities to the European telecommunications industry  With the launch of Sylva 1.5, Canonical Kubernetes is now officially part of the project’s reference architecture. This follows its earlier availability as a technology preview in Sylva 1.4. What is the Sylva project? The Sylva…

Open source has come a long way. Recently I was watching a keynote address by our founder, Mark Shuttleworth, in which he discussed his vision for Ubuntu to provide quality support and security maintenance across the broad open source ecosystem, and it made me reflect on how far the open source software (OSS) community has come. Indeed, when looking at today’s interoperable open source landscape,…

TL;DR: YARD-Lint catches documentation issues, just like RuboCop for code. Star it and use it now. I am happy to announce the release of YARD-Lint, a comprehensive linter designed for YARD documentation in Ruby and Rails projects. This gem is now available as open-source. # In your Gemfile gem 'yard-lint' For those who are not familiar, YARD (Yet Another Ruby Documentation) is a documentation…

Deploy a FedRAMP-ready kubernetes cluster and application suite, with FIPS 140-3 crypto and DISA-STIG hardening Today at KubeCon North America, Canonical, the publisher of Ubuntu, released support to enable FIPS mode in its Kubernetes distribution, providing everything needed to create and manage a scalable cluster suitable for high-security and Federal deployments.  As of version 1.34, Canonical…

This new release brings the stability and security of Ubuntu to Axion-based N4A virtual machines on Google Compute Engine. November 6, 2025 – Today Canonical, the publishers of Ubuntu, and Google Cloud announced the immediate availability of optimized Ubuntu images for the new Axion-based N4A virtual machines (VMs) on Google Compute Engine. This collaboration brings the stability, security, and…

The Web Engineering team is thrilled to announce the successful conclusion of our third annual Hack Week! Over the past three years, this initiative has become a cornerstone of our collaborative spirit and commitment to innovation. With 126 significant contributions to date, Hack Week provides a dedicated space for our engineers to tackle challenging problems, refine existing systems, and push…

This article provides a guide for how to install Microsoft SQL Server on Ubuntu VPS. What is Microsoft SQL Server? Microsoft SQL Server is a relational database management system (RDBMS) developed by Microsoft. It is used to store, retrieve, manage, and analyze data in a structured way using SQL (Structured Query Language). 🔑 Key Features: […] The post How to Install Microsoft SQL Server on…

Here’s a step-by-step guide to deploy FlowiseAI (commonly just Flowise) on a Ubuntu VPS using Helm + Kubernetes. I assume you have a Ubuntu server (or VPS) and you’re comfortable with shell commands and basic Kubernetes. I’ll walk you through setting up Kubernetes (if not already), installing Helm, and deploying the Flowise helm chart, with […] The post 🚀 Deploy Flowise + Kubernetes + Helm on…

Ubuntu images on Microsoft Azure have recently started shipping with the open source package azure-vm-utils included by default. Azure VM utils is a package that provides essential utilities and udev rules to optimize the Linux experience on Azure. This change results in more reliable disks, smoother networking on accelerated setups, and fewer tweaks to get things running. Here’s what you need to…

Organizations everywhere are pushing AI and networks closer to the edge. With that expansion comes a challenge: how do you ensure reliable performance, efficiency, and security outside of the data center? Worker safety, healthcare automation, and the success of mobile private networks depend on a robust technology stack that can withstand real-world challenges and still deliver results. Canonical…

Every developer who maintains Ruby gems knows that sinking feeling when a user reports an error that shouldn’t be possible. Not “difficult to reproduce”, but truly impossible according to everything you know about how your code works. That’s exactly what hit me when Karafka user’s error tracker logged 2,700 identical errors in a single incident: NoMethodError: undefined method 'default' for an…

At NVIDIA GTC Washington D.C., Canonical is pleased to support the arrival of the NVIDIA BlueField-4 – the newest generation of the data processing unit (DPU) family. NVIDIA BlueField-4 is an accelerated infrastructure platform for gigascale AI factories. By combining NVIDIA Grace CPU and NVIDIA ConnectX-9 networking, it delivers 6x the compute power of BlueField-3 and 800 Gb/s throughput to…