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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 ...

Alex Cattle
1 July 2019

Cloud Instance Initialisation with cloud-init

Cloud and server Ubuntu tech blog

Private cloud, public cloud, hybrid cloud, multi-cloud… the variety of locations, platforms and physical substrate you can start a cloud instance on is vast. Yet once you have selected an operating system which best supports your application stack, you should be able to use that operating system as an abstraction layer between different c ...

Igor Ljubuncic
27 June 2019

Development tips and tricks – snap try and snapcraft pack

Desktop Ubuntu tech blog

Over the past several months, we have shared with you several articles and tutorials showing how to accelerate application development so that a typically demanding, time-consuming process becomes an easier, faster and more fun one. Today, we’d like to introduce some additional tips and tricks. Namely, we want to talk about elegant ways y ...

Chad Smith
26 June 2019

Ubuntu Server development summary – 26 June 2019

Cloud and server Ubuntu tech blog

Hello Ubuntu Server The purpose of this communication is to provide a status update and highlights for any interesting subjects from the Ubuntu Server Team. If you would like to reach the server team, you can find us at the #ubuntu-server channel on Freenode. Alternatively, you can sign up and use the Ubuntu Server Team ...

Alex Cattle
25 June 2019

The future of mobile connectivity

Cloud and server Ubuntu tech blog

Mobile operators face a range of challenges today from saturation, competition and regulation – all of which are having a negative impact on revenues. The introduction of 5G offers new customer segments and services to offset this decline. However, unlike the introduction of 4G which was dominated by consumer benefits, 5G is expected to b ...

Anthony Dillon
25 June 2019

Design and Web team summary – 25 June 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. Getting started with AI webinar We build a page to promote the ...

Canonical
24 June 2019

Statement on 32-bit i386 packages for Ubuntu 19.10 and 20.04 LTS

Canonical announcements Ubuntu tech blog

Thanks to the huge amount of feedback this weekend from gamers, Ubuntu Studio, and the WINE community, we will change our plan and build selected 32-bit i386 packages for Ubuntu 19.10 and 20.04 LTS. We will put in place a community process to determine which 32-bit packages are needed to support legacy software, and can ...

Jeremie Deray
21 June 2019

ROS 2 Command Line Interface

Robotics Ubuntu tech blog

Disclosure: read the post until the end, a surprise awaits you! Moving from ROS 1 to ROS 2 can be a little overwhelming.It is a lot of (new) concepts, tools and a large codebase to get familiar with. And just like many of you, I am getting started with ROS 2. One of the central ...

wgs1
20 June 2019

Kubernetes on Mac: how to set up

Cloud and server Ubuntu tech blog

UPDATED in July 2020 with the latest instruction set. Are you looking for a Kubernetes solution to run on your Mac? MicroK8s is a lightweight, pure upstream distribution of Kubernetes developed by Canonical. It’s a compact Linux snap that installs a single-node Kubernetes cluster alongside carefully selected add-ons on Linux, Windows and ...

Karl Williams
20 June 2019

Vanilla Framework 2.0 upgrade guide

Cloud and server Ubuntu tech blog

We have just released Vanilla Framework 2.0, Canonical’s SCSS styling framework, and – despite our best efforts to minimise the impact – the new features come with changes that will not be automatically backwards compatible with sites built using previous versions of the framework. To make the transition to v2.0 easier, we have compiled a ...

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