Kick-starting the new year with CKA. Continue reading
Author Archives: Lisenet
CKA Practice Questions
The goal of this post is to help you find the answer to the following question: am I ready for the CKA exam? Continue reading
OpenVPN Server on Kubernetes
OpenVPN server in a Docker container running on Kubernetes. Continue reading
Speedtest with InfluxDB and Grafana on Kubernetes
We are going to use our Kubernetes homelab to run speed tests and store results in InfluxDB. We will then configure Grafana with InfluxDB datasource to visualise data. Continue reading
Add Second Disk to Existing TrueNAS Pool in Mirror Configuration (RAID1)
We’re going to add a mirror disk to an existing TrueNAS ZFS pool. Continue reading
Upgrading Homelab Kubernetes Cluster from 1.21 to 1.22
Calico 3.21 has been released with support for Kubernetes 1.22. Continue reading
Install Kubecost to Help Optimise Kubernetes Applications
Resource and cost allocation should be a starting point before optimising Kubernetes applications. Continue reading
Use External Labels with Prometheus Alerts
We are going to customise Prometheus alerts by using external labels. Continue reading
Blue/Green Deployment with Istio: Match Host Header and sourceLabels for Pod to Pod Communication
We are going to deploy two versions of the application, blue and green, and configure Istio routing so that both versions could be accessed at the same time. Continue reading
Migrating HA Kubernetes Cluster from CentOS 7 to Rocky Linux 8
Personally, Rocky Linux 8 is the most anticipated software release of the year! Continue reading