This article is about Federation v2 in Kubernetes, how it works currently with some use case description. At first, you need to know that federation v1 is deprecated, taking almost all Kubernetes APIs...
This article is an introduction to MetalLB, a solution to expose services if the Kubernetes cluster is not deployed on a Cloud platform. Intended audience: Kubernetes administrators. By Abdellah...
In this article, I will show you how the ansible operator-sdk works to create a rabbitmq operator. The main purpose is to verify if an ops can use it or if it is a developer-oriented tool. Targeted...
This is an issue most sysadmins have already met if they are used to deal with a MySQL server. This issue can come from misconfiguration (a connection pool too small) but it often arises from a probl...
This article describes the switch of an existing Ceph deployment to a containerized deployment on Ubuntu 18.04. Target audience: Ceph administrators planning to make the switch to containers using...
This blogpost is a curated list of tools related to software security automation in the container era. Intended audience: Anyone that is somehow related to making and/or running software. Bonus poi...
This blogpost is a comparison between different docker registries that you can host yourself. Intended audience: System administrators, DevOps familiar with docker and its ecosystem, or anyone curi...
This blog post is a guide to use CoreOS's clair vulnerability scanner in GitLab. Intended audience: System administrators, DevOps familiar docker and its ecosystem. Bonus points if you have already...
This blog post presents the setup of a security rules checkup system on OpenStack. Intended audience : System Administrators with basic knowledge on Puppet and OpenStack. By Adrien Beudin, Sys...
