DevOps

What is Variable Precedence in Ansible?

In Ansible, definition of variable precedence is often overlooked. Despite what I wrote in my previous blog (Use Ansible like a Programming Language), Ansible is not exactly a programming language. There is a difference, especially on the(…)

dbi services at AWS re:Invent 2021 : day 4

For my day 3 recap, please jump here. The fourth day has started and I decided to attend a couple of session. Both are not in my direct field of expertise but promised to be very interesting.

dbi services at AWS re:Invent 2021 : day 3

For my day 2 recap, please jump here. Third day started and Las Vegas woke up (or maybe more, never sleeps! 🙂 ! ) Organized every morning by AWS, a breakfast is served in a huge(…)

dbi services at AWS re:Invent 2021 : day 2

For my day 1 recap, please jump here. For the second day of that conference, I decided first to attend the keynote of Adam Selipsky, CEO of Amazon Web Services. Lots of annoucements as always covering various area and(…)

dbi services at AWS re:Invent 2021 : day 1

This year, dbi services attends the AWS re:Invent 2021 conference, in Las Vegas. In the current global health situation, this event has a bit of a unexpected flavor as the previous edition was organized virtually. Having in-person such amazing(…)

Kubernetes : two different OCI runtimes

Quick recap : in the previous episode, we have seen how to move from a Kubernetes cluster powered by Docker into a future-proof Kubernetes cluster, using containerd. Now let’s move on and fully enjoy the power of having(…)

MongoDB Monitoring using Nagios

The question comes frequently: How can I monitor my MongoDB cluster (ReplicaSet or Sharded) in a production environment? To answer this question we need first to get an overview of all potential monitoring solutions, and then compare them one by(…)

Deploy a Kubernetes cluster using Ansible in AWS

After more than 2 years of experience in Kubernetes cluster administration, I am deeply convinced that one of the most important things to have as an ops guy is a sandbox cluster at your disposal. This can be either a(…)

Kubernetes : from Docker to containerd

Kubernetes is very popular and well-known open-source orchestration platform for containers. Very dynamic ecosystem, the release cycle is also very fast. Six months passed since the K8s team announced the dockershim will be deprecated and the 1.22 release deadline(…)

Use Ansible like a Programming Language

I did not intend to create a new blog on Ansible so fast, but here it comes. My previous blog on that topic was a first step in Ansible world. Now, it is time to use some of the(…)