We are going to harden our Kubernetes cluster to use TLS 1.3 only. Continue reading
Category Archives: Kubernetes
Migrating HA Kubernetes Cluster from Rocky Linux 8 to Rocky Linux 9
Kubernetes homelab migration to the latest version of Rocky Linux. Continue reading
Replacing a Failed Control Plane Node in a HA Kubernetes Cluster
We have a failed control plane node in our highly available multi-master Kubernetes cluster that we need to replace. Continue reading
Kiali Does Not See istio-ingressgateway Installed in Separate Kubernetes Namespace
When using a Helm chart for Kiali server deployment, the default values file does not have an option to specify a different namespace for istio-ingressgateway. Continue reading
Passed CKAD Exam
Kick-starting 2023 with CKAD. Continue reading
Upgrading Homelab Kubernetes Cluster from 1.24 to 1.25
Updating the cluster to match with the latest CKAD exam version. Continue reading
Reload Prometheus ConfigMap without Restarting the Kubernetes Pod
We run Prometheus on Kubernetes. Every time we make changes to Prometheus ConfigMap, we end up restarting the pod so that the new configuration would be picked up. Continue reading
Upgrading Homelab Kubernetes Cluster from 1.23 to 1.24
The most time-consuming Kubernetes upgrade to date because of dockershim. Continue reading
Kubernetes Liveness Probe Saves the Day
Probes are health checks that are executed by kubelet. Continue reading
Backup Kubernetes Cluster Resources to AWS S3 with Velero
We will install Velero to backup and restore Kubernetes cluster resources to AWS S3. Continue reading