A Beginner’s Guide to Chef on CentOS 8

Reading Time: 4 minutes

What is Chef?

Chef.logo

Chef is an open-source configuration management DevOps tool used for configuration and management of multiple systems in infrastructure. Using Chef, we can use so-called recipes and cookbooks to automate and speed up managing multiple systems in our environment. By using Chef, we can adjust every system in our environment to our desired state, which we defined using the code in recipes. In the process, code is continuously tested and deployed using Chef.

Continue reading “A Beginner’s Guide to Chef on CentOS 8”

How to Install Jenkins on Ubuntu 20.04

Reading Time: 7 minutes

By mfitzgerald

31920.jenkins

Introduction

In this tutorial, we are going to examine Jenkins and what its purpose is. We will begin by installing it on an Ubuntu 20.04 server and then start the software, enable the service, configure it, and finally, create a user with administrative privileges.

Continue reading “How to Install Jenkins on Ubuntu 20.04”

How to Install Jenkins on CentOS 8

Reading Time: 6 minutes

What is Jenkins?

Jenkins is an open-source software written in Java and Scala. This software allows users the ability to automate almost any task and, it saves significant time that can be better utilized addressing other issues. When automating tasks with Jenkins, users can optimize their workflow by quickly automating the jobs that servers cannot do themselves. In this tutorial, we will learn how to install Jenkins on CentOS 8. We will also explore what its purpose is and share several benefits that Jenkins offers. We will then configure it to run on our CentOS 8 server.

Continue reading “How to Install Jenkins on CentOS 8”

What is Containerization in DevOps?

Reading Time: 4 minutes

Containers are the future of application development and hosting. They enable DevOps, developers, and system administrators to build, test, deploy, and maintain applications quickly, securely, and efficiently. Tools built around the containerization concept provide simple solutions for basic web applications. These advanced granular configuration options provide the control many enterprise applications may need. 

Continue reading “What is Containerization in DevOps?”

What is Infrastructure as Code? (IaC)

Reading Time: 6 minutes

Introduction: What is IaC?

Today we will become acquainted with a concept known as Infrastructure as Code. The idea of Infrastructure as Code is becoming more and more popular today. IaC is a method used to manage and provision a data center via defined machine-readable files instead of physical hardware configuration or other interactive configuration tools. This article will share what it is used for, why it is important, and why businesses strive to utilize this platform to achieve a desired set of results. It is essential to understand that we will consider both the theoretical and practical parts of IaC.

Continue reading “What is Infrastructure as Code? (IaC)”

How to Implement Zero Trust Security in 5 Steps

Reading Time: 6 minutes

What is Zero Trust Security?

Zero Trust security is the concept, methodology, and threat model that assumes no user, system, or service operating within a secured internal environment should be automatically trusted. It put forward that every interaction must be verified when trying to connect to a system before being granted access. This concept uses micro-segmentation, and granular edge controls based on user rights, application access levels, service usage, and relation to the location to determine whether to trust a user, machine, or application seeking to access a specific part of an organization.

Continue reading “How to Implement Zero Trust Security in 5 Steps”

DevOps: A New Perspective on Shared Automation

Reading Time: 9 minutes

What is DevOps?

DevOps is a set of various tools, practices, and ideals that combine software development (Dev) and IT Operations (Ops) into a single unifying force. It allows for better collaboration between developers, operations teams, system administrators, and system engineers. Their streamlined goal is to continually provide a high-value software product to the customer at high speed while monitoring and improving the overall process than using traditional software and infrastructure management. 

Continue reading “DevOps: A New Perspective on Shared Automation”

How to Install and Configure Chef on Ubuntu 18.04

Reading Time: 10 minutes

Introduction

In this article, we will be reviewing the Chef software, how it works, and why it is useful. We will also explore how it is helpful in DevOps. And then, we will install Chef on Ubuntu 18.04. 

What is Chef? 

31920.chef.logo

Chef is a configuration management system written in Ruby and Erlang using the object-oriented language for configurations description. It is used to ease the task of configuring and maintaining multiple servers. It can be integrated into cloud platforms, such as the new Liquid Web Managed Cloud and VMWare platforms to manage the server’s configuration processes. 

Continue reading “How to Install and Configure Chef on Ubuntu 18.04”

How to Edit Your DNS Hosts File

Reading Time: 9 minutes

One of the most powerful tools available to anyone working on their site during a migration is their computer’s “hosts” file. The hosts file is used to map domain names to IP addresses, and can be used as an alternative to DNS. It also allows you to specify the IP address to which a website resolves on your computer, regardless of what may be published in the site’s DNS zone file.

Continue reading “How to Edit Your DNS Hosts File”

What is Configuration Management?

Reading Time: 4 minutes
Config.mgmt3

Configuration management is the process by which a company or organization defines and tracks the state of its infrastructural resources. Encapsulated in those resources are both physical hardware and software. It is a means to ensure that when changes are made to a system, those changes are tracked, geared toward the ultimate predefined criteria of what state should be.

Continue reading “What is Configuration Management?”