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Kubernetes Installation in Redhat / CentOS

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Welcome!!, In this article, we are going to look at how to configure Kubernetes container orchestration.
Before reading this article, we should know the basic core concepts of Kubernetes components and
basic administration in Redhat OS or CentOS. Pre-requisites: -Hosts-2 or 3 Machines (node) required. RAM-4 GB Storage-50 GB CPU-2 CPU
Let’s start How to install and configure Kubernetes in Redhat Enterprise Linux. 
Here we are going to configure the Kubernetes cluster using 4 VM’s.
One VM – Master Node Other three – Worker Nodes

Short Note on AWS Networking VPC, SUBNET, NACL, SECURITY GROUPS, VPC PEERING, SITE TO SITE VPN, DIRECT CONNECT

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Welcome!! In this article, we shall learn about AWS VPC (Virtual Network), Subnet, VPC Peering, NACL, Security Groups, Site to site VPN, and Direct Connect. VPC:-VPC is nothing but, like On-premises network environment, where we use switches and routers to communicate with servers and clients, same as AWS Virtual Private Cloud. It is also used for communicating with AWS resources such as EC2, RDS, etc.
·Per Region, it is limited to a 100 VPCs.
      VPC is isolated, based on the configuration in Network Access Control List and Security Groups, all resources within VPC can communicate with each other. Subnet:-
Under the VPC, we must understand the Subnet and how it works.
Subnetting is the process of dividing a network into small networks
We can divide the VPC IP range into multiple parts of unique subnet IP ranges.By default the resources within the subnet will communicate with each other and also communicate across the subnets in the same VPC. We can restrict the communication across the su…