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  1. Blog
  2. Alex Chalkias
Alex Chalkias

Alex Chalkias

30 posts

Product Manager for data center solutions at Canonical

Alex Chalkias
29 May 2020

Multus: how to escape the Kubernetes eth0 prison

Ubuntu Article

Kubernetes has been successful for a number of reasons, not the least of which is that it takes care of things that application developers may not want to bother with – such as, for example, networking. Multus is a feature that can be used on top of Kubernetes to enable complex networking use cases. Kubernetes ...

Alex Chalkias
24 April 2020

Ubuntu kernel 5.4: What’s new with Ubuntu 20.04 LTS

Cloud and server Article

Ubuntu 20.04 LTS has just arrived. The latest LTS comes with a new version of the Linux kernel – 5.4 – which brings a lot of exciting new features, faster boot times, enhanced performance and security. Additionally, the Canonical kernel team ran benchmark tests to validate the performance improvements of the new kernel. Defining which ...

Alex Chalkias
3 April 2020

LXD 4.0 LTS stable release is now available

Cloud and server Article

The stable release of LXD, the machine container hypervisor, is now available. LXD 4.0 is the third LTS release for LXD and will be supported for 5 years, until June 2025. This version comes with a significant amount of new features including adding virtual machines (VMs) support, the introduction of projects and improved networking, stor ...

Alex Chalkias
24 March 2020

Ceph Octopus is now available

Canonical announcements Article

Ceph upstream released the first stable version of ‘Octopus’ today, and you can test it easily on Ubuntu with automatic upgrades to the final GA release. This version adds significant multi-site replication capabilities, important for large-scale redundancy and disaster recovery. Ceph v15.2.0 Octopus packages are built for Ubuntu 18.04 LT ...

Alex Chalkias
18 March 2020

Kubernetes 1.18 release candidate available for testing

Cloud and server Article

The latest release of Kubernetes is now available for download and experimentation, with the MicroK8s Kubernetes 1.18 release candidate. The easiest, fastest way to get the latest Kubernetes is to install MicroK8s on your machine. Just run: sudo snap install microk8s –channel=1.18/candidate –classic Or from snapcraft.io: https://snapcraft ...

Alex Chalkias
18 February 2020

Ceph storage on Ubuntu: An overview

Ceph Article

Ceph is a compelling open-source alternative to proprietary software-defined storage solutions from traditional vendors, with a vibrant community collaborating on the technology. Ubuntu was an early supporter of Ceph and its community. That support continues today as Canonical maintains premier member status and serves on the governing bo ...

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