Kubernetes

Kubernetes, also known as K8s, is an open-source system that helps manage, scale, and deploy containerized applications. It automates many manual processes, such as deploying, scaling, and managing applications, and includes built-in commands for these tasks.

10 posts

Bootstrapping an etcd Cluster for Kubernetes

Jonathan Peña

Your team is working on setting up a new Kubernetes cluster. Because etcd is one of the necessary components of…

3 min read Oct 3, 2024

Kubernetes public

Bootstrapping a Kubernetes Control Plane

Jonathan Peña

Context: Your team is working on setting up a new Kubernetes cluster. The necessary certificates and kubeconfigs have been provisioned,…

7 min read Oct 3, 2024

Kubernetes public

Bootstrapping Worker Nodes

Jonathan Peña

The process of setting up Kubernetes worker nodes involves configuring key services such as kubelet, kube-proxy, and containerd, alongside installing…

7 min read Sep 23, 2024

Kubernetes public

Generating Data Encryption at Rest

Jonathan Peña

Your team is working on setting up a Kubernetes cluster with two controllers and two worker nodes. In order to…

2 min read Sep 23, 2024

Kubernetes public

Generating Base Kubeconfigs

Jonathan Peña

In this lab walkthrough, your team is setting up a new Kubernetes cluster with two controllers and two worker nodes.…

4 min read Sep 19, 2024

Kubernetes public

Creating Self-Signed Certificates

Jonathan Peña

Your team is currently setting up a Kubernetes cluster that consists of two worker nodes and two controller nodes. Your…

7 min read Sep 6, 2024

Kubernetes public

Repairing Failed Pods

Jonathan Peña

In this hands-on exercise, we will troubleshoot a Kubernetes deployment issue within the web namespace. Starting with an overview of…

3 min read Aug 21, 2024

Kubernetes public

Creating Alerting Rules

Jonathan Peña

To start off, for a complete monitoring and alerting setup in your Kubernetes cluster using Docker YAML files, you will…

2 min read Aug 3, 2024

Kubernetes public

How to View and Access Persistent Volumes

Jonathan Peña

What are Persistent Volumes (PVs)? PV is a method for defining storage-related data, like storage classes and storage implementations. In…

2 min read Aug 3, 2024

Kubernetes public

Creating Persistent Storage for Pods

Jonathan Peña

What is persistent storage? Ensuring data persistence in Kubernetes is vital to maintain application state and preserving data during pod…

3 min read Aug 2, 2024