What is Systemctl? An In-Depth Overview

Reading Time: 8 minutes
systemctl.073020

What is Systemctl? 

The systemctl command is a utility which is responsible for examining and controlling the systemd system and service manager. It is a collection of system management libraries, utilities and daemons which function as a successor to the System V init daemon. The new systemctl commands have proven quite useful in managing a servers services. It provides detailed information about specific systemd services, and others that have server-wide utilization.

Continue reading “What is Systemctl? An In-Depth Overview”

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”

How Has Containerization Changed the World?

Reading Time: 5 minutes
container port stacked

The arrival of containerized software has drastically changed the landscape of web hosting, and web application provides. The simplification and speed that comes with containers make deploying services like websites so efficient that the traditional model of dedicated servers running specific web-based software is almost obsolete. This being said, there will always be a place for virtual server projects and dedicated servers handling specific tasks like HIPAA compliant hosting services.

Continue reading “How Has Containerization Changed the World?”

Docker For Beginners

Reading Time: 16 minutes

What is Docker?

31920.docker

Docker is a containerization software that is used for automating the deployment and management of applications within an isolated environment. This software allows us to “pack” and ship an application, along with all of its needed files, libraries, and dependencies, into a “docker container“. That container can then be easily ported to any Linux system that contain cgroups support within the kernel, and provides a container management environment. Docker is one of several containerization implementations (not to be confused with virtualization) based on this cgroups mechanisms built into the Linux kernel.

Continue reading “Docker For Beginners”

How to Install Docker on CentOS 8

Reading Time: 6 minutes

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 small bundles which contain all the needed packages, libraries and configuration file to run an application. These docker packages communicate via established network channels.

Docker Silhouette
Docker Silhouette
Continue reading “How to Install Docker on CentOS 8”

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 Uninstall Software on Ubuntu

Reading Time: 5 minutes

In this article, we will be discussing the various methods and techniques used to locate and uninstall the software from a Ubuntu/Debian based server. We will primarily be using the apt and dpkg commands on the command line.

Continue reading “How to Uninstall Software on Ubuntu”

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”