Story Tag: kubernetes-cluster

Stories Tag: kubernetes-cluster

How to Troubleshoot a Kubernetes Cluster- CKA Exam Preparation Series | by Joseph Holbrook | Sep, 2020 | Medium

admin 10 hours ago in

So, in this post, I will help you to understand the internal working of Kubernetes and give you some tips which will help you to navigate issues in Kubernetes. This is one of the numerous posts by TechCommanders in a series for studying for the Certified Kubernetes Administrator (CKA) Exam. Become a Certified Kubernetes Administrator (CKA)! Let’s start with understanding what are the main reasons…

Selective Kubernetes Deployment Using Affinity | by HashedIn Technologies | Sep, 2020 | Medium

admin 10 hours ago in

Picture yourself in possession of a sample web application and HA (Multi-Zone) Kubernetes cluster and in need of high availability of the application using Kubernetes cluster. Well, the first move that any K8s expert would do is to deploy applications into nodes, but there is a lack of assurance that each node has at least one pod running. This blog gives you a clear solution…

Kubernetes Multi-Tenancy — A Best Practices Guide | by Daniel Thiry | Sep, 2020 | Medium

admin 22 hours ago in

A guide on how to tackle typical Kubernetes multi-tenancy challenges by implementing some best practices. Kubernetes multi-tenancy is a topic that more and more organizations are interested in as their Kubernetes usage spreads out. However, since Kubernetes is not a multi-tenant system per se, getting multi-tenancy right comes with some challenges. In this article, I will describe these challenges and how to overcome them as…

Kubernetes 自架且建立多節點 ( Nodes ) 教學 — 上篇 | by Seachaos | tree.rocks | Sep, 2020 | Medium

admin 1 day ago in

本教學主要在 Ubuntu 20.04 Server 上安裝 Kubernetes (k8s)，並且在多台 Server 上執行 Node 與 Master ( 這裡使用 VM 來模擬多台 Server 情況 ) 執行本教學請先至少準備/安裝好兩台 Server ( 本教學使用 VM clone 然後修改 hostname 的方式)，一台我們的主機稱為 Master (主控)，另外一台或多台的 Server 我們稱為 Node ( 節點 ) 另外本教學幾乎指令都需要 root 權限，請自行判斷 sudo 與否 於欲執行 Kubernetes 的機上，必須要有 kubelet / kubeadm ( Master 與 node 皆要執行此步驟 )這是 Kubernetes 的主要程式，然後透過 runtime 來實現 pods這裡的 runtime 可以是 Docker / CRI-O / Containerd…

GCP | Kubernetes Engine | Quick Start | by sdasarathan | Sep, 2020 | Medium

admin 2 days ago in

Google Kubernetes Engine (GKE) is a managed environment for deploying, managing, and scaling your containerized applications using Google infrastructure. Clusters are formed by grouping multiple VM’s together. They form a platform that can be maintained easily. What stuffs are managed so that one does not need to worry about its configuration or maintenance? At least one master and multiple worker nodes from a cluster. The…

Continues Integration dan Continues Delivery Jenkins, GIT, Azure Container Registry dan Kubernetes | by Ade Surya Iskandar | yellowpages |...

admin 5 days ago in

Jenkins merupakan salah satu aplikasi yang dapat membantu developer untuk melakukan otomasi proses pengembangan yang cukup digemari banyak developer. Integrasi proses build image dan menyimpan kedalam private registry merupakan salah satu bagian proses didalam DevOps yang dikenal dengan istilah continuous integration. Pada labs kali ini kita akan mencoba untuk memanfaatkan Jenkins untuk proses build source code yang tersimpan didalam Code Repository menjadi sebuah image dan…

Kubernetes Introduction-1. What are Pods:- | by Ramkumar Pujari | Sep, 2020 | Medium

admin 5 days ago in

What are Pods:- Kubernetes doesn’t run containers directly; instead it wraps one or more containers into a higher-level structure called a pod. Any containers in the same pod will share the same resources and local network. Containers can easily communicate with other containers in the same pod as though they were on the same machine while maintaining a degree of isolation from others. Pods are…

Self-Service Kubernetes Namespaces Are A Game-Changer | by Daniel Thiry | Sep, 2020 | ITNEXT

admin 6 days ago in

Self-service for namespaces will lead to a broader use of Kubernetes by engineers in any organization. Many companies have adopted Kubernetes recently. However, most of them still do not realize its full potential because the actual Kubernetes usage in these organizations is very limited. Since Kubernetes has evolved dramatically, it is now not only a technology for operations anymore but also non-ops engineers can work…

Kubernetes: Deployments in 5 minutes | by Vivek Naskar | Sep, 2020 | Medium

admin 6 days ago in

Kubernetes Deployments, in plain words, are responsible for creating, updating and deleting instances (pods) of your application. It also provides a self-healing mechanism that helps you when your application crashes. Well, before that if you don’t know already, Kubernetes is an open-source container orchestration platform that can run and manage enterprise-class web-scalable applications. Before you begin deployment, make sure your Kubernetes cluster is up and…

Most useful kubectl Commands !. Kubectl is a command line utility which… | by Arun Kumar Singh | Sep, 2020...

admin 1 week ago in

Kubectl is a command line utility which allows you to interact with kubernetes cluster and run commands against it. Behind the curtain, It actually interacts with Kubernetes API to perform all operations. Kubectl connect to K8s cluster with help of a config file. Default location of this config file kube directory which stays at $HOME/.kubeYou can pass custom location by using –kubeconfig flag. Syntex for…