How to Install a Kubernetes Cluster on CentOS 8

Logical Architecture Our installation is designed to have the Master-Node controlling the Worker Nodes. At the end of this installation, our logical architecture will look something like this. Master Node – This machine generally acts as the control plane and runs the cluster database and the API server (which the kubectl CLI communicates with). Our 3-node Kubernetes Cluster will look something like this: Installation of Kubernetes […]

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How to Install Docker on CentOS 8

What is Docker? Before we begin, let’s describe what Docker is. Docker is a set of virtualization tools that allows us to create, test, and deploy containerized applications quickly and easily on a dedicated server. It has become very popular and used almost everywhere in our daily lives. Thanks to containerization, we can quickly launch applications on different private cloud host platforms utilizing […]

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Connect to O365 v2 (EXO v2)

In order to Connect to O365 (EXO v2) using modern authentication you will need to install and import the EXO v2 module. ***PowerShell needs to have TLS 1.2 enabled in order to run EXO v2*** Run this in PowerShell:   [Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12 Install-Module -Name ExchangeOnlineManagement -Force If you have this module already installed, then you just need to import it […]

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Kubernetes (K8s) Overview

Given the importance of Kubernetes in today’s environment, we wanted to give you a “one stop shop” where you can learn any information you may need. What is Kubernetes? Simply put, Kubernetes, or K8s, is a container orchestration system. In other words, when you use K8s, a container based application can be deployed, scaled, and managed automatically. The objective of Kubernetes container […]

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Docker Container Overview

What is Docker — Introduction to Docker Container TL;DR Docker enables you to separate your applications from your infrastructure so you can deliver software quickly. With Docker, you can manage your infrastructure in same ways you manage your applications. You can ship, test, and deploy code quickly, and significantly reduce delay between writing code and running it in production. The whole […]

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Azure — Difference between Azure Load Balancer and Application Gateway

Azure Load Balancer vs Application Gateway in Azure Azure Load Balancer works with traffic at Layer 4, while Application Gateway works with Layer 7 traffic, and specifically with HTTP (including HTTPS and WebSockets). Azure Application Gateway Application Gateway (AGW) is a web traffic manager for your web applications (one or multiple) i.e. load balancer that enables you to manage traffic […]

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AWS — Amazon RDS vs Amazon EC2 Relational Databases — Comparison

Difference between Amazon RDS and Amazon EC2 Relational Databases in AWS TL;DR: Amazon RDS enables you to run a fully featured relational database while offloading database administration. Whereas, for more control and flexibility, EC2 will be better for your relational database. If you want an automated and cost-effective solution, go for RDS. With Amazon RDS, AWS will take care of […]

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AWS — VPC Peering Overview

Introduction to AWS VPC Peering TL;DR A VPC Peering connection is a networking connection between two VPCs that enables you to route traffic between them privately (using private IPv4 or IPv6 addresses). Instances in either VPC can communicate with each other as if they are within the same network. VPCs can be in different regions (known as inter-region VPC peering connection). VPC […]

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AWS — VPC Egress-Only Internet Gateway Overview

Introduction to AWS VPC Egress-Only Internet Gateway TL;DR Egress-only Internet Gateway is VPC component that allows outbound only communication to the internet over IPv6, and prevents the Internet from initiating an IPv6 connection with your instances. Egress-only Internet gateway works as a NAT gateway, but for IPv6 traffic. An egress-only Internet gateway is for use with IPv6 traffic only. To enable […]

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AWS — VPC Endpoints Overview

Introduction to AWS VPC Endpoints TL;DR VPC endpoint enables creation of a private connection between VPC to supported AWS services and VPC endpoint services powered by PrivateLink using its private IP address. Traffic between VPC and AWS service does not leave the Amazon network. There are two types of VPC endpoints: Interface endpointis an elastic network interface (ENI) with a private […]

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