Posts
How to merge Kubernetes kubectl config files
1 min readSometimes when working with a new Kubernetes cluster you will be given a config file to use when authenticating with the cluster. This file should be placed at ~/.kube/config. …
Online resize of a root ext4 file system
5 min readThe following is a guide to resizing your root ext4 file system online. After the operation, your partition will have more free space. There will be no shrinkage of the root file …
Harbor Redis Crashlooping
3 min readMy Harbor server went offline when I patched one of my RKE2 clusters, which caused pods to go into ImagePullBackoff. Within a few minutes, I noticed that Redis was crashlooping …
How to install kube-prometheus-stack
3 min readkube-prometheus-stack is a collection of Kubernetes manifests that includes the following: The Prometheus operator Prometheus Alertmanager Prometheus node-exporter The Prometheus …
Caching NFS files with cachefilesd
4 min readThe cachefilesd tool is great for caching network filesystems like NFS mounts! In addition to its ease of use, it provides a substantial amount of stats. For more information, see …
How to password protect a file in Linux
1 min readYou can password-protect any type of file in Linux, which is useful if you want to store it in the cloud or carry it around in a USB stick.
DNS Basics
4 min readDNS is a topic that some people just don’t get. My goal is to make it as simple as possible for you to understand. DNS zones fall into three categories: Forwarders Conditional …
How to Install Google Chrome on Ubuntu Desktop
2 min readGoogle Chrome is a popular web browser developed by Google. In this guide, we will show you how to install Google Chrome on your Ubuntu desktop.