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Upgrading Homelab Kubernetes Cluster from 1.21 to 1.22

Posted on 22/11/2021 by Lisenet

Calico 3.21 has been released with support for Kubernetes 1.22. Continue reading →

Posted in Kubernetes | Tagged Calico, homelab, kubeadm, Kubernetes | Leave a comment

Install Kubecost to Help Optimise Kubernetes Applications

Posted on 31/10/2021 by Lisenet

Resource and cost allocation should be a starting point before optimising Kubernetes applications. Continue reading →

Posted in Kubernetes | Tagged helm, homelab, Kubecost, Kubernetes | 2 Comments

Use External Labels with Prometheus Alerts

Posted on 17/10/2021 by Lisenet

We are going to customise Prometheus alerts by using external labels. Continue reading →

Posted in Kubernetes, Monitoring | Tagged homelab, Kubernetes, Prometheus | 4 Comments

Blue/Green Deployment with Istio: Match Host Header and sourceLabels for Pod to Pod Communication

Posted on 06/09/2021 by Lisenet

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 →

Posted in Kubernetes | Tagged DestinationRule, homelab, Istio, Kubernetes, sourceLabels, VirtualService | Leave a comment

Migrating HA Kubernetes Cluster from CentOS 7 to Rocky Linux 8

Posted on 27/06/2021 by Lisenet

Personally, Rocky Linux 8 is the most anticipated software release of the year! Continue reading →

Posted in Kubernetes | Tagged homelab, Kubernetes, Rocky Linux | 2 Comments

Configure PXE Boot Server for Rocky Linux 8 Kickstart Installation

Posted on 24/06/2021 by Lisenet

Rocky Linux is now in GA. Continue reading →

Posted in Linux | Tagged homelab, Kickstart, PXE boot, Rocky Linux | 1 Comment

Upgrading Homelab Kubernetes Cluster from 1.20 to 1.21

Posted on 15/06/2021 by Lisenet

Calico 3.19 has been released with support for Kubernetes 1.21. Continue reading →

Posted in Kubernetes | Tagged Calico, homelab, kubeadm, Kubernetes | Leave a comment

Moving to TrueNAS and Democratic CSI for Kubernetes Persistent Storage

Posted on 24/04/2021 by Lisenet

I read an article about TrueNAS enabling container storage for Kubernetes by using the Democratic CSI driver to provide direct access to the storage system, and jumped right in. Continue reading →

Posted in Kubernetes | Tagged democratic-csi, Kubernetes, TrueNAS | 11 Comments

AWS EKS AccessDenied: The aws-auth ConfigMap in your cluster is invalid

Posted on 18/04/2021 by Lisenet

Deleting a managed node group from AWS EKS. Continue reading →

Posted in AWS | Tagged aws-auth, EKS, Kubernetes | 3 Comments

Install MetalLB and Istio Ingress Gateway with Mutual TLS for Kubernetes

Posted on 07/04/2021 by Lisenet

Configuring encryption between Kubernetes pods with Istio and mTLS. Continue reading →

Posted in Kubernetes | Tagged homelab, Istio, Kubernetes, MetalLB, mTLS | 2 Comments

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