What is High Availability? A Tutorial

Reading Time: 8 minutes
High Availability

High availability is the description of a system designed to be fault-tolerant, highly dependable, operates continuously without intervention, or having a single point of failure. These systems are highly sought after to increase the availability and uptime required to keep an infrastructure running without issue. The following characteristics define a High Availability system.

Continue reading “What is High Availability? A Tutorial”

Using Ansible in DevOps: A Beginners Guide

Reading Time: 13 minutes

Introduction

Ansible is a system of configuration management written in Python programming language which uses a declarative markup language to describe configurations. It’s used for automation of configuration and OS setup. Ansible is often used to manage Linux-nodes, but Windows is also supported. It supports work with devices with Python v2.4 and higher installed through SSH connection. In this article, we are going to review the DevOps tool called Ansible.    

Continue reading “Using Ansible in DevOps: A Beginners Guide”

Kubernetes vs. Docker Swarm: A Comparison

Reading Time: 5 minutes

In this tutorial, we will be reviewing what the fundamental similarities and distinctions are between Kubernetes and Docker Swarm. Kubernetes and Docker are two of the major players in container orchestration. Both Kubernetes and Docker Swarm continue to grow in popularity as they are increasingly used by those working with container deployment, orchestration, and management. Across all vertical markets, businesses continue to find new methods of utilization and practice with more uses constantly being discovered.

docker.kubernetes
Continue reading “Kubernetes vs. Docker Swarm: A Comparison”

How to Install and Use Containerization

Reading Time: 6 minutes

What is Containerization?

Containerization is a form of virtualized operating system developed as a response to the many problems of hardware-level virtualization. Because the latter runs a full-blown guest operating system, it is very resource-intensive and incurs a significant amount of overhead, but containerization is much lighter. Since the containers share the host machine’s kernel, the resources are not wasted on running separate operating system tasks. This allows for a much quicker and lightweight deployment of applications.

Continue reading “How to Install and Use Containerization”

Puppet, Salt, Chef, & Ansible: A Comparison

Reading Time: 8 minutes

Which one is appropriate for you?

salt.chef.ansible.puppet
Continue reading “Puppet, Salt, Chef, & Ansible: A Comparison”

How to Install Istio

Reading Time: 5 minutes

What Is Istio?

Istio is an open-source service mesh that makes it easier for a team to create a network or server cluster of deployed services. Istio provides several vital services consistently across a mesh network such as:

Continue reading “How to Install Istio”

How To Install Chef On CentOS 7

Reading Time: 3 minutes

What is Chef?

Chef is a popular, open-source, IaC (Infrastructure as Code) management tool. It eases administration, configuration, and deployment of server resources across a network from a central location. 

What is IaC?

IaC (or Infrastructure as code) is the procedure of provisioning, coordinating, and controlling servers via machine-readable files, that are defined in commonly reused records called cookbooks rather than physical hardware configuration or interactive configuration tools.

Continue reading “How To Install Chef On CentOS 7”