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The latest News and Information on DevOps, CI/CD, Automation and related technologies.

Security vulnerability uncovered and patched in the golang.org/x/crypto /ssh package

Upsun teams are always striving to ensure a safe space for all developers within our product. And this consistent diligence led to the Upsun Engineering team discovering a security vulnerability in the golang.org/x/crypto/ssh package on 5 September 2024. Upon investigating an unexpected Panic: runtime error: invalid memory address or nil pointer dereference message in our edge proxy, the engineers discovered a misimplementation of the PublicKeyCallback function.

Launch Ubuntu Pro on Spot Instances on AWS EC2

Ubuntu Pro on Spot Instances is now generally available—here’s how to launch it using the AWS EC2 console. This guide walks you through requesting and configuring a Spot Instance for secure, cost-effective operations. Ubuntu Pro provides out-of-the-box security and compliance features, making it an ideal choice for short-term workloads like AWS EC2 Spot Instances.

The Comprehensive Guide to Understanding IT Incidents

In today’s world, where technology underpins nearly every aspect of business, IT systems play a critical role in ensuring smooth operations. However, what happens when something goes wrong? When systems fail or services are disrupted, businesses face what’s commonly known as an incident. For someone who is not technical, the idea of an IT incident can seem scary. However, it is a simple and organized process when explained clearly.

The Incident Maturity Model

I want to walk you through how incident management has evolved, drawing from real data and the experiences of some of the most sophisticated tech organizations out there. I'll also introduce you to a framework we’ve developed at incident.io: the Incident Maturity Model. This framework is the result of thousands of conversations with companies and provides a clear roadmap to help your organization improve its incident management practices—no matter where you're starting from.

Introducing Network Containers in Tidal LightMesh IPAM

As networks expand across on-premises and cloud environments, many organizations find themselves struggling with scattered, unstructured networks. Often, networks grow in silos, with subnets being created independently in AWS, Azure, and other environments over time, leading to a messy and hard-to-manage structure. This is especially true for enterprises undergoing mergers and acquisitions, where integrating entirely separate network systems can quickly turn into an administrative headache.

How to design apps with Docker containers?

Do you want to streamline your app development process to make it efficient, scalable, and reliable? Building and deploying applications without the right tools quickly becomes complex and resource-intensive. Docker containers address these challenges by providing effective solutions. The 2023 Stack Overflow Developer Survey reveals that 42% of developers rely on Docker, demonstrating its pivotal role in modern workflows. Similarly, Datadog states that over 25% of organizations use Docker in production, which underscores its widespread adoption.

Top tips: Must-know holiday hacks for IT admins

Top tips is a weekly column where we highlight what’s trending in the tech world and list ways to explore these trends. This week, we explore ways in which IT admins can optimize the IT infrastructure during the holidays while leaving room for enjoyment. December is here, and the holiday spirit is in the air. While you prune your Christmas tree at the start of the holiday season, your IT infrastructure requires consistent pruning throughout the year by IT admins.