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Alex Cattle
18 July 2019

How to build a lightweight system container cluster

Cloud and server Ubuntu tech blog

LXD, the system container manager, developed by Canonical and shipped by default with Ubuntu, makes it possible to create many containers of various Linux distributions and manage them in a way similar to virtual machines (VMs) but with lower overhead costs associated with them. Unlike VMs, containers have the benefit of using a shared ke ...

Sarah Dickinson
15 July 2019

Octave turns to snaps to reduce dependency on Linux distribution maintainers

Desktop Ubuntu tech blog

Octave is a numerical computing environment largely compatible with MATLAB. As free software, Octave runs on GNU/Linux, macOS, BSD, and Windows. At the 2019 Snapcraft Summit, Mike Miller and Jordi Gutiérrez Hermoso of the Octave team worked on creating an Octave snap in stable and beta versions for the Snap Store.  As Mike and Jordi ...

Carmine Rimi
11 July 2019

Deploying Kubernetes at the edge – Part I: building blocks

Cloud and server Ubuntu tech blog

Edge computing continues to gain momentum to help solve unique challenges across telco, media, transportation, logistics, agricultural and other market segments. If you are new to edge computing architectures, of which there are several, the following diagram is a simple abstraction for emerging architectures: In this diagram you can see ...

Andres Rodriguez
9 July 2019

MAAS 2.6 – ESXi storage, multiple gateways, HTTP boot and more

Cloud and server Ubuntu tech blog

Canonical is happy to announce the availability of MAAS 2.6. This new release introduces a range of very exciting features and several improvements that enhances MAAS across various areas. Let’s talk about a few notable ones: Growing support for ESXi Datastores MAAS has expanded its support of ESXi by allowing administrators to create & c ...

Alex Cattle
9 July 2019

The DevOps guide to IoT projects

Internet of Things Ubuntu tech blog

Traditional development methods do not scale into the IoT sphere. Strong inter-dependencies and blurred boundaries among components in the edge device stack result in fragmentation, slow updates, security issues, increased cost, and reduced reliability of platforms. This reality places a major strain on IoT players who need to contend wit ...

Anthony Dillon
8 July 2019

Canonical Design Blog: Design and Web team summary – 8 July 2019

Ubuntu Ubuntu tech blog

This was a fairly busy two weeks for the Web & design team at Canonical.  Here are some of the highlights of our completed work.Web squadWeb is the squad that develop and maintain most of the brochure websites across the Canonical.&nbs ...

Anthony Dillon
8 July 2019

Design and Web team summary – 8 July 2019

Design Ubuntu tech blog

This was a fairly busy two weeks for the Web & design team at Canonical.  Here are some of the highlights of our completed work. Web squad Web is the squad that develop and maintain most of the brochure websites across the Canonical.  Here are a few highlights of completed work.  We also moved several ...

Carmine Rimi
8 July 2019

Machine Learning: serving models with Kubeflow on Ubuntu, Part 1

Cloud and server Ubuntu tech blog

This article is the first in a series of machine learning articles focusing on model serving. I assume you’re reading this article because you’re excited about machine learning and quite possibly Kubeflow as well. You might have done some model training and are now trying to understand how to serve those models in production. There ...

Alex Hung
8 July 2019

Analyze ACPI Tables in a Text File with FWTS

Cloud and server Ubuntu tech blog

I often need to implement tests for new ACPI tables before they become available on real hardware. Fortunately, FWTS provides a framework to read ACPI tables’ binary. The below technique is especially convenient for ACPI firmware and OS kernel developers. It provides a simple approach to verifying ACPI tables without compiling firmware an ...

Canonical
5 July 2019

Ubuntu updates for TCP SACK Panic vulnerabilities

Cloud and server Ubuntu tech blog

Issues have been identified in the way the Linux kernel’s TCP implementation processes Selective Acknowledgement (SACK) options and handles low Maximum Segment Size (MSS) values. These TCP SACK Panic vulnerabilities could expose servers to a denial of service attack, so it is crucial to have systems patched. Updated versions of the Linux ...

Igor Ljubuncic
4 July 2019

Faster snap development – additional tips and tricks

Desktop Ubuntu tech blog

Recently, we published several blog posts, aimed at helping developers enjoy a smoother, faster, more streamlined experience creating snaps. We discussed the tools and tricks you can employ in snapcraft to accelerate the speed at which you iterate on your builds. We want to continue the work presented in the Make your snap development fas ...

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