Stories Tag: calico

K8s Cluster using kubeadm and calico networking | by kunal borse | Nov, 2020 | Medium

admin 3 months ago in

Create on premise Kubernetes cluster using kubeadm. This article shows how to install a Kubernetes cluster with multiple nodes on ubuntu 16.04. You’ll run the nodes inside virtual machines through VirtualBox, but you can also use a different virtualization tool. First, Create a Virtual machine for k8s master. Perform the below steps on the master VM. apt-get update -y && apt-get install apt-transport-https ca-certificates curl…

Life of a Packet in Kubernetes — Part 2 | by Dinesh Kumar Ramasamy | Oct, 2020 | Medium

admin 3 months ago in

As we discussed in Part 1, CNI plugins play an essential role in Kubernetes networking. There are many third-party CNI plugins available today; Calico is one of them. Many engineers prefer Calico; one of the main reasons is its ease of use and how it shapes the network fabric. Calico supports a broad range of platforms, including Kubernetes, OpenShift, Docker EE, OpenStack, and bare metal…

Why do we use CNI Plugins on Kubernetes? – Akin Ozer – Medium

admin 7 months ago in

Kubernetes networking model does not have a single model. This approach makes the Kubernetes vendor/provider independent. In this way, you can implement your custom networking model via CNI plugins. Kubernetes, by default, is using the Kube-Net plugin to handle coming requests. Kube-Net is a very basic plugin that doesn’t have many features. If a developer needs more features like isolation between namespaces, IP filtering, traffic…

Automating AWS VPC CNI replacement with Calico on EKS

admin 7 months ago in

Automating AWS VPC CNI replacement with Calico on EKS Why? Once you read the title, your first question would be ‘Why?’. The answer to that is simple, to mitigate the pod density limitation on EKS worker nodes caused by AWS VPC CNI. We started deploying workloads on AWS EKS and suddenly we encountered the below error: (combined from similar events): Failed create pod sandbox: rpc…

Creating Kubernetes cluster (with Calico) on laptop

admin 8 months ago in

Whenever we start learning something new thing, there are two basic steps involved, first one is to get the theoretical knowledge about it and second is to implement the knowledge or have a hands-on. Today I would be using my theoretical knowledge of the Kubernetes and try installing a 3-Node Cluster on my laptop where one will be a master node and will have 2…

Getting to 40G encrypted container networking with Calico/VPP on commodity hardware

admin 8 months ago in

Authors: Aloys Augustin, Emran Chaudhry, Mohsin Kazmi, Nathan Skrzypczak, Jérôme Tollet Encryption for container networking is becoming increasingly important for compliance and security reasons. Today, vast majority of internet traffic is encrypted, and we expect Kubernetes traffic to be the same soon. There are two main approaches: Platform level encryption has the advantage that it is simple to deploy and ensures that the confidentiality and…

Handling errors while deploying Kubernetes cluster on VM cluster with Calico network

admin 8 months ago in

My labmate (선배님) and I are trying to install Kubernetes for research. And we decided to first install it on a Virtual box machines cluster. First of all, we created a cluster in Virtual Box application. It includes a master node and 2 slave nodes. They are all running on Ubuntu 18.04. We use a network interface for local connect and a network interface to…