Blog posts written by Alex Chalkias

Alex Chalkias
1 April 2021

Ceph Pacific 16.2.0 is now available

Ceph Article

April 1st 2021 – Today, Ceph upstream released the first stable version of ‘Pacific’, a full year after the last stable release ‘Octopus’. Pacific focuses on usability and cross-platform integrations, with exciting features such as iSCSI and NFS promoted to stable or major dashboard enhancements. This makes it easier to integrate, operate ...

Alex Chalkias
30 March 2021

Windows containers on Kubernetes with MicroK8s

Cloud and server Article

Kubernetes orchestrates clusters of machines to run container-based workloads. Building on the success of the container-based development model, it provides the tools to operate containers reliably at scale. The container-based development methodology is popular outside just the realm of open source and Linux though. Exactly the same bene ...

Alex Chalkias
27 March 2021

Call for testing: Kubernetes 1.21 release candidate

Ubuntu Article

Today, Kubernetes upstream made the 1.21 release candidate available for download and experimentation ahead of general availability, which will come later in April. Woohoo! We would love to get your feedback ahead of the general release and hear about any bugs or issues you find. Or, if you just want to give the bleeding edge ...

Alex Chalkias
9 March 2021

Multi-cloud Kubernetes management with Portainer

Ubuntu Article

If you feel intimidated by Kubernetes’ complexity but still need to modernize your business applications with containers, rest assured you’re not the only one. The container orchestration platform solves many problems but also creates new ones, so read on to find out about a new approach that can help you get just the benefits. Our ...

Alex Chalkias
28 September 2020

Canonical at OSM Hackfest MR#9

OSM Article

The 12th OSM Hackfest, or OSM mid-release NINE (MR#9) Hackfest, is one for the books and Canonical happily shared the presenter floor with the rest of the Open Source MANO (OSM) community. The event spanned the whole week from September 7th to 11th, with Wednesday September 9th afternoon being used for the OSM Ecosystem day. ...

Alex Chalkias
2 September 2020

Canonical at KubeCon EU 2020: our first virtual KubeCon experience

Cloud and server Article

Another great KubeCon has recently come to an end – which is nothing less than what we expected. After all, that’s why Canonical and Ubuntu have been consistently present at KubeCon & CloudNativeCon EU, to connect with the community. This year, we showcased Canonical’s conformant, interoperable, multi-cloud Kubernetes through our two Kube ...

Alex Chalkias
27 August 2020

Kubernetes vs Docker

Cloud and server Kubernetes

In an era where container technologies have taken the industry by storm, one of the most common online searches on the topic of containers is ‘Kubernetes vs Docker’. The relevance and accuracy of this comparison is questionable, as it is not really comparing apples to apples. In this blog post, we will attempt to clarify ...

Alex Chalkias
31 July 2020

Charmed OSM Release EIGHT available from Canonical

Canonical announcements Article

Canonical is proud to announce the general availability of OSM release EIGHT images in it’s Charmed OSM distribution. As of Release SEVEN, OSM is able to orchestrate containerised network functions (CNFs) leveraging Kubernetes as the underlying infrastructure for next-generation 5G services. Release EIGHT follows the same direction and br ...

Alex Chalkias
9 July 2020

MicroK8s HA tech preview is now available

Cloud and server Article

High availability (HA) for MicroK8s, the lightweight Kubernetes, is now available as a tech preview for Linux, Windows and macOS. The Kubernetes control plane can now be distributed across multiple nodes, bringing resiliency to the cluster while maintaining a low footprint using Dqlite, the distributed SQL engine as the Kubernetes datasto ...

Alex Chalkias
2 July 2020

Encryption at rest with Ceph

Ceph Article

Do you have a big data center? Do you have terabytes of confidential data stored in that data center? Are you worried that your data might be exposed to malicious attacks? One of the most prominent security features of storage solutions is encryption at rest. This blog will explain this in more detail and how ...

Alex Chalkias
25 June 2020

Ceph storage on VMware

Ceph Article

If you were thinking that nothing will change in your VMware data centre in the following years, think again. Data centre storage is experiencing a paradigm shift. Software-defined storage solutions, such as Ceph, bring flexibility and reduce operational costs. As a result, Ceph storage on VMware has the potential to revolutionise VMware ...

Alex Chalkias
5 June 2020

OSM#9 Hackfest: the highlights

Cloud and server Article

Canonical concluded its participation in the 9th OSM Hackfest with a renewed sense of fellowship with the Open Source MANO (OSM) community and great pride in the collaborative work that enabled an end-to-end mobile network orchestration demo using OSM’s model-driven capabilities to onboard network services. Following the successful organi ...