Kubernetes homelab: Prepping cluster with KVM and OpenVSwitch

We have a small server and we’re going to set up some VMs in KVM for a Kubernetes homelab. I am planing to use OpenVSwitch for my virtual network, set a proxy and a DNS, and finally, install Rancher, and create a cluster with Calico.  Over this post I am sharing my notes about installing…

Network namespaces in 5 min

Welcome to this brief reading of Network namespaces in 5 min. You will find answer for questions like: What are they? How they works? How they can be configured? Reader would need some understanding of Linux. If you want to know more about this sort things check my playlist “Great presentations and demos of K8s…

how-to use virt-install to connect at openvswitch bridge

Very simple question with an answer that is hard to find: how-to use virt-install to connect at openvswitch bridge. I am using Centos version 7 as my KVM host. After some testing and time searching. I got this. In a few words. Just add “virtualport_type=openvswitch” to your network settings. After you have downloaded your qcow2…

Useful Nuage VRS and VSC commands

If you have Nuage SDN in your cloud then you’ll appreciate this post that give you guidelines in how to check out what is happening actually. Here you have some useful Nuage VRS and VSC commands that will help you out. Useful Nuage VRS Commands Check out Nuage VRS ports and VXLAN tunnels information To…