Cloud and Server

All you need to know about designing, building, and managing your
OpenStack private cloud, Kubernetes cluster or Ubuntu Server scale-out deployment.


robgibbon
18 August 2021

How to run Apache Spark on MicroK8s and Ubuntu Core, in the cloud: Part 1

Article Cloud and server

There are some great reasons to use nested virtualisation on compute clouds. Nested virtualisation is when you have Virtual Machines running within Virtual Machines. This approach offers a stronger isolation model than containers: by using a dedicated kernel and IO devices, bad behaviour cannot easily break out and...

robgibbon
18 August 2021


Running FIPS 140 workloads on Ubuntu

Article Cloud and server

This is the first article in a two-article series regarding FIPS 140 and Ubuntu. The first part of this series, this article, covers running FIPS 140 applications on Ubuntu while the second part, is covering the development of FIPS applications on Ubuntu. What is FIPS and why do I need it? Even though cryptography is


Alex Chalkias
21 July 2021

How to test the latest Kubernetes 1.22 release candidate with MicroK8s

Kubernetes Cloud and server

Today, the Kubernetes community made the 1.22 release candidate available, a few weeks ahead of general availability, planned for August the 4th. We invite developers, platform engineers and cloud tech enthusiasts to experiment with the new features, report back findings and bugs. MicroK8s is the easiest way to get up...

Alex Chalkias
21 July 2021


Igor Ljubuncic
14 July 2021

How to cache snap downloads and save bandwidth

Article Cloud and server

For many people, fast broadband connection and unlimited data are a reality. For others, they are not. If you have several Linux hosts in your (home) environment, and you’re using snaps, each of these systems will separately communicate with the Snap Store and periodically download necessary updates. This can be costly...

Igor Ljubuncic
14 July 2021


Tytus Kurek
13 July 2021

Ubuntu becomes #1 OS for OpenStack deployment

Article Cloud and server

One of the core values of Canonical, that we all identify with, is the mission of bringing the power of open source to everyone on the planet. From developing to developed countries. From individuals to big enterprises. From engineers to CEOs. And there is only one way to find out if we are efficient in

Tytus Kurek
13 July 2021


Linux kernel Livepatching

Article Cloud and server

Ubuntu Livepatch is the service and the software that enables organizations to quickly patch vulnerabilities on the Ubuntu Linux kernels. Livepatch provides uninterrupted service while reducing fire drills during high and critical severity kernel vulnerabilities. It is a complex technology and the details can be...


Bill Wear
8 July 2021

DHCP Server Conflict Detection

MAAS Cloud and server

This blog title should really be, “Why you always, always, always want conflict detection turned on on all the networks MAAS touches,” but that’s really long as a title. But hear me out. As promised, here is another DHCP blog, this time explaining how you can have multiple DHCP servers on the same subnet, serving

Bill Wear
8 July 2021


Bill Wear
8 July 2021

DHCP scope

MAAS Cloud and server

It’s possible to have more than one DHCP server on the same network and still have everything work right, with no conflicts and no dropped packets or IP requests. It’s really not that hard to pull together, either, but there are some things to know, and some things to consider before we investigate that situation.

Bill Wear
8 July 2021


Bill Wear
7 July 2021

Moving toward Diátaxis

Server Cloud and server

We discovered the Diátaxis Framework earlier this year. It’s been on our roadmap to shift MAAS doc to this cool new way of explaining things. This cycle, we plan to make it happen. You’d think it would be obvious…. Diátaxis is one of those ideas. Once you see it, you can’t figure out why everybody

Bill Wear
7 July 2021


Bill Wear
6 July 2021

MAAS 3.0 released

MAAS Cloud and server

We are happy to announce the release of MAAS 3.0. This release provides some new features and bug fixes. Here’s the tl;dr summary: PCI and USB devices are now modelled in MAAS PCI and USB device tabs are now available in machine details IBM Z DPM partitions are supported for MAAS and virtual machines Proxmox

Bill Wear
6 July 2021


Omar Ali Amin
28 June 2021

How to use managed IT services like the Fortune 500

Article Cloud and server

How to use managed IT services to cut down your costs, optimise your operations and accelerate your private/hybrid cloud like the Fortune 500.

Omar Ali Amin
28 June 2021


Omar Ali Amin
15 June 2021

How to manage a 24×7 private cloud with one engineer

Article Cloud and server

How to efficiently deploy and manage a private cloud using Openstack and Kubernetes in a few weeks without spending months on developing a team of cloud experts.

Omar Ali Amin
15 June 2021


Canonical
28 May 2021

How to run ECS Anywhere workloads using Ubuntu on any infrastructure

Article Cloud and server

Using Ubuntu for your ECS clusters on-prem or elsewhere will allow you to run your ECS Anywhere workloads with optimal performance everywhere you need it.

Canonical
28 May 2021


Canonical
25 May 2021

Ubuntu supports Oracle Cloud Infrastructure Ampere A1 Compute

Article Canonical announcements

Together with Oracle, Canonical announces an optimised Ubuntu image for the launch of Oracle Cloud Infrastructure (OCI) Ampere A1 Compute.

Canonical
25 May 2021