DevOps

Kubernetes Certificates Overview and Regeneration Example

Kubernetes certificates is a very important subject matter as it protects the communication of the components inside your cluster. However it is not a very popular topic as it could be quite confusing and adds more complexity to an already(…)

All about how Docker containers and data are stored on its host

You’ve probably already heard about containers and one of the most popular tool used to create them: Docker. You may wonder how a container stores data on its host, if those data are persistent, if you(…)

Logs from Filebeat to Logstash to Elasticsearch -1

In a previous blog, we saw together the difference between Filebeat and Logstash, we said also that both can cooperate together in some cases. In this blog series we will deep into a use case: send(…)

ELK Stack – Filebeat vs Logstash

Filebeat and Logstash are both comprised in ELK Stack, in this blog we will compare both with some use cases. So, you can then take the most appropriate to your case.

Using Admission Controller in Kubernetes

Undoubtedly, Kubernetes has become the standard for container orchestration, making it necessary to work with extensions that add a layer of security and modularity. So, what exactly are these extensions? According to the Kubernetes documentation, “An admission controller is a(…)

Deploy awx-operator with Helm using images from a local registry

You want to deploy Ansible AWX on a Kubernetes cluster using awx-operator, but your security policy requires you to use a local registry to store the necessary container images ? Okay, let’s see how to do(…)

Elasticsearch – Snapshot Lifecycle Management (SLM)

In a previous blog, I spoke about snapshot, restore, and briefly about Snapshot Lifecycle Management. In this blog, I will go more in deep in SLM.

Elasticsearch – Snapshot and Restore

No need to explain what is a snapshot and restore, how much they are important to any platform, software, database, aso. In this blog, I will show you how to take snapshots of your Elasticsearch cluster and how to restore.

Zabbix Agent Automated Registration

For those reading my blog posts regularly, you know I am an fan of automation. Declaring each host in Zabbix configuration manually is not an idea I like very much. Moreover, in dynamic environments which are moving a lot, manual(…)

Kubernetes Community Days 2023 in Zürich

I attended for the first time the KCD (Kubernetes Community Days) in Zürich with my colleagues Jean-Philippe and Arjen. I can say I was pretty eager to know more about topics around Kubernetes and eBPF stuff as Isovalent was well(…)