Linux How to build a custom Linux kernel from sources Want to customize the kernel of your Linux distribution ? Enable or disable specific features ? In this post, you will learn how to compile your custom Linux Kernel and configure your system to boot from it.
Linux How to interact with Linux Kernel through procfs and sysfs Understand Linux procfs and sysfs pseudo filesystems and learn how to interact with the kernel to view and edit runtime parameters and get information about the computer hardwares.
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
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
Containers Understanding secrets in Kubernetes Highlights some essential Kubernetes knowledge that will make us comfortable when dealing with secret objects for our applications workloads.
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).
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).
