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Key monitoring concepts you should be aware of
DevOps

Key monitoring concepts you should be aware of

Discover key monitoring concepts you need to be aware of when working with monitoring and time series visualization tools like Prometheus, Victoria Metrics or Grafana
01 May 2025 3 min read
Managing Python projects with Poetry
Code

Managing Python projects with Poetry

Poetry is a packaging and dependency management tool for Python. It can be used to quickly bootstrap a Python project, manage the dependencies, and do packaging stuff. Here is a quick overview.
13 Mar 2025 3 min read
Linux SysV init and Systemd essentials
Linux

Linux SysV init and Systemd essentials

System V init and Systemd are two important softwares in the Linux. They start essential system programs during boot and ensure they are always running. Here we give you the essential information for easy administration and show you how to find specific documentations to go further.
20 Feb 2025 9 min read
Linux GRUB legacy and GRUB2 essentials
Linux

Linux GRUB legacy and GRUB2 essentials

A simple guide to help you quickly find your way when working on Operating Systems boot topics with GRUB as bootloader, on Debian and Red Hat based Linux distributions.
08 Feb 2025 5 min read
Kubernetes workbook
Containers

Kubernetes workbook

A guide to ease your work with Kubernetes. It contains simple explanations, examples and tips to help you understand important concepts, the kubectl tool and ease the creation and management of a bunch of Kubernetes resources.
03 Feb 2025 22 min read
Understanding GCP Load Balancers
Cloud

Understanding GCP Load Balancers

In this post, we will try to give you the big picture about GCP Load Balancing and answer the following questions: how Load Balancing works in GCP, what are the types of GCP Load Balancers and their purposes, which components make a GCP Load Balancer... with examples and links to go deeper.
09 Jan 2025 7 min read
Understanding Kubernetes Pods
Containers

Understanding Kubernetes Pods

The Pod is a key concept to understand when working with Kubernetes. In this post, we are going to get an overview on Kubernetes Pod and other interesting concepts related to it like scheduling, lifecycle hooks, probes and more.
31 Dec 2024 4 min read
Understanding BIOS and UEFI
Computer

Understanding BIOS and UEFI

BIOS and UEFI are important computers components. They are shipped into the motherboard and help in loading operating systems. But... what is BIOS, what is UEFI, how they work ?
13 Dec 2024 5 min read
Get started with Google Cloud Platform #2
Cloud

Get started with Google Cloud Platform #2

In this second part, we will familiarize with Google Cloud command line utility (gcloud) and see how we can manage a bunch of GCP resources through that CLI.
13 Dec 2024 14 min read
Get started with Google Cloud Platform #1
Cloud

Get started with Google Cloud Platform #1

In this first part, we introduce Google Cloud Platform through a simple overview providing essential info for starting our GCP journey with ease.
08 Nov 2024 23 min read
Managing Kubernetes clusters with kubeadm
Containers

Managing Kubernetes clusters with kubeadm

Familiarize yourself with Kubernetes architecture and components. Learn how to run Kubernetes clusters on Linux machines using kubeadm. Freeze cluster version and perform upgrades anytime without service disruption.
28 Sep 2024 21 min read
Even more powerful Helming with Helmfile
Containers

Even more powerful Helming with Helmfile

Leverage Helmfile declarative approach to bring visibility and reproductibility to Helm releases states and ease team work. Get familiar with Helmfile and explore powerful features for managing a bunch of Helm releases easily and securely.
27 Aug 2024 14 min read
Deploying packaged Kubernetes apps with Helm
Containers

Deploying packaged Kubernetes apps with Helm

What is Helm ? How Helm works ? How can we use Helm to deploy and manage packaged Kubernetes applications ? Let's get familiar with Helm and learn how to create and distribute our own Helm packages.
12 Aug 2024 16 min read
Exposing Kubernetes apps with Gateway API in GKE
Containers

Exposing Kubernetes apps with Gateway API in GKE

How to make applications running in GKE publicly available through the Gateway API, with managed wildcard TLS certificates and Cloud Armor WAF protection.
31 Mar 2024 16 min read
Autoscaling pods using custom metrics in GKE
Containers

Autoscaling pods using custom metrics in GKE

Learn how to make custom metrics available inside the Google Cloud Monitoring service and make the GKE Horizontal Pod Autoscaler use those metrics for scaling pods.
22 Feb 2024 11 min read
How IT Pros use Ansible
DevOps

How IT Pros use Ansible

This is for people already familiar with Ansible wanting to improve their playbooks quality for better scalability, ease of use, maintainability and security.
19 Feb 2024 6 min read
DRY Kubernetes manifests with Kustomize
Containers

DRY Kubernetes manifests with Kustomize

Stop repeating yourself when creating Kubernetes manifests thanks to Kustomize. What is Kustomize, how it works and what is it capable of ? Let's answer those questions in this post.
26 Dec 2023 8 min read
Understanding package management in Linux
Linux

Understanding package management in Linux

Delve into the heart of the package management system on Debian and Debian based Linux distributions. Understand what packages really are and how are they organized and distributed through packages repositories. Understand Apt ecosystem and perform essential package management tasks.
29 Nov 2023 30 min read
Understanding storage in Kubernetes
Containers

Understanding storage in Kubernetes

How to make external storage resources available to pods using volumes. Understand dynamic storage resource provisioning through StorageClass, PersistentVolume and PersistentVolumeClaim resources.
21 May 2023 11 min read
Understanding RBAC in Kubernetes
Containers

Understanding RBAC in Kubernetes

Understand how RBAC (Role Based Access Control) works in Kubernetes. Implement RBAC and make sure things are working as expected.
05 Mar 2023 5 min read
Connecting GKE worloads to Cloud SQL databases
Cloud

Connecting GKE worloads to Cloud SQL databases

How to easily and securely connect pods running in Google Kubernetes Engine to a managed Google SQL database instance in GCP. We will use cloud-sql-proxy and workload identity to do it the best way.
15 Feb 2023 4 min read
Exposing Kubernetes apps with ingress-gce in GKE
Cloud

Exposing Kubernetes apps with ingress-gce in GKE

How to make apps running in Google Kubernetes Engine accessible publicly through the default ingress controller, HTTPS activated with managed TLS certificates. Use frontendconfig and backendconfig objects to add useful features to the ingress controller.
17 Nov 2022 5 min read
Understanding secrets in Kubernetes
Containers

Understanding secrets in Kubernetes

Highlights some essential Kubernetes knowledges that will make us comfortable when dealing with secret objects for our applications workloads.
11 Nov 2022 6 min read
Continuous deployment with Gitlab-CI and Kubernetes
Containers

Continuous deployment with Gitlab-CI and Kubernetes

Create a simple, secure and scalable continuous deployment chain with Gitlab-CI for applications running in Kubernetes. No need for dedicated machines or authentication token inside Gitlab-CI configuration file(s).
18 Oct 2022 9 min read
Bootstrap Terraform projects for GCP and Azure
Cloud

Bootstrap Terraform projects for GCP and Azure

Essentials steps and best practices to set up when using Terraform to create infrastructure in Microsoft or Google cloud platforms (Azure and GCP).
20 Sep 2022 4 min read
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