This blog describes how to set up a high-availability (HA) Kubernetes cluster. This is an advanced topic and setting up a truly reliable, highly available distributed system requires few steps to be performed. We will go into each of these steps in detail, but a summary will help the user as a guide. Here's what the system should...
In this blog, we will learn how to setup Kubernetes cluster on servers running on CentOS (Bare-metal installation) as well as deploy add-on services such as DNS and Kubernetes Dashboard. If you are new to Kubernetes cluster and want to understand its architecture then you can through the blog on the Introduction on...
Product development has become highly sophisticated over the years. Unlike the yesteryears, business agility is the key to survive competition and market demands. Most organizations are doing away with traditional hardware inventories and embracing cloud and other digital technologies for the numerous benefits. Apart from moving to Cloud,...
The Docker provides capabilities to ship and run containerized application on the development machine and eliminates inconsistency in the different environment. However, it needs Linux Kernel to run Docker Daemon on the machine. There are many tools to run Docker on Windows/MAC machine. In this post, we will focus on running multiple...
In one of the project that I was working, I had to set up multiple environments in the same Kubernetes cluster. The environments are namely QA and UAT. The blog will guide the reader on how to segregate different environments in same Kubernetes cluster and have control over each environment in such a way that the other environments...
DevOps is a concept that emphasizes on building a culture of collaboration between developers and IT professionals. DevOps has been around for a while now and is being rapidly adopted by most of the software development organizations. Most IT organizations have formed their in-house DevOps teams that help in automation of end to end...
Docker Swarm has gained a lot of popularity in the last few months. It is Docker's orchestration tool. Docker has been coming up with a lot of updates and Docker Swarm is very stable as compared to when it was launched. It is as Docker says "Production Ready." You can go through the blog written by my colleague on how to setup Docker...
Introduction of Weave Scope Weave Scope is a monitoring tool and visualization for Kubernetes and Docker . It provides a deep level view of your app as well as of your full infrastructure, which allows you to find and diagnose any error in your distributed containerized app, in real-time. Weave Scope is use in standalone mode or...
Kubernetes is an open source orchestration tool for application containers developed by Google. It packages all of the necessary tools - orchestration, service discovery and load balancing in one place. Kubernetes is portable which means it can be deployed on public, private, hybrid along with multiple cloud platform providers. It is...
What is Docker Swarm: Docker Swarm is the orchestration tool from the makers of Docker. In the words of Docker website itself, "Docker Swarm provides native clustering capabilities to turn a group of Docker engines into a single, virtual Docker Engine." In case you are unfamiliar with what Docker is, you can read my previous post...
If you are hosting some micro websites on the AWS ECS, where every task is a separate application, and each task has running multiple containers on a Cluster. If we have a scenario where we want each of our application should upload its data to a separate AWS S3 bucket, we create a single role giving access to all S3 buckets and attach...