Author Archives: rajeshkumar

How to setup Kubernetes Dashboard in EKS using NodePort?

How to setup Kubernetes Dashboard in EKS using NodePort? Step 1: Deploy the Dashboard # Deploy the Kubernetes dashboard to your cluster: # Deploy heapster to enable container cluster monitoring and performance analysis on your cluster: # Deploy the influxdb backend for heapster to your cluster: # Create the heapster cluster role binding for the… Read More »

What is Annotations in Kubernetes?

What is Annotations in Kubernetes? There are two way using you can attach metadata to Kubernetes objects. labels annotations Kubernetes annotations is used to attach arbitrary non-identifying metadata to objects. Clients such as tools and libraries can retrieve this metadata. In contrast, annotations are not used to identify and select objects. The metadata in an… Read More »

What is EKS and How EKS can help you?

In simple line, Amazon EKS is generally available, bringing fully-managed Kubernetes to AWS. Amazon launched Amazon EKS in November at its re:Invent 2017 conference. Till the time this article is written, Amazon EKS is available in the US East (N. Virginia) and US West (Oregon) Regions only. The cost of running EKS is $0.20 per… Read More »

Understanding the tools sets in Docker ecosystem

Docker Engine Docker Engine is our lightweight and powerful open source containerization technology combined with a work flow for building and containerizing your applications. Docker Engine is a client-server application with these major components: A server which is a type of long-running program called a daemon process (the dockerd command). A REST API which specifies… Read More »

Working with Ports in Docker Containers

Port expose and publish has to happen when a container is created. Just stop the existing container and create a new one in its place with the added expose and/or publish options. By default Docker containers can make connections to the outside world, but the outside world cannot connect to containers. Each outgoing connection will… Read More »

What is SELinux and how its SELinux used in Docker?

What is SELinux and how its SELinux used in Docker? There are three popular solutions for implementing access control in Linux: SELinux AppArmor GrSecurity Security-Enhanced Linux (SELinux) is a Linux kernel security module that provides a mechanism for supporting access control security policies. It is a security feature of the Linux kernel. It is designed… Read More »

Understanding the tools sets in kubernetes ecosystem

Kubernetes at Public Cloud Google Container Engine – Google Kubernetes Engine is a powerful cluster manager and orchestration system for running your Docker containers. ECS – Amazon Elastic Container Service (Amazon ECS) is a highly scalable, fast, container management service that makes it easy to run, stop, and manage Docker containers on a cluster. EKS… Read More »