Centos
CentOS installation, server setup, administration tasks, and troubleshooting.
How to Enable the EPEL repository on CentOS
The EPEL (Extra Packages for Enterprise Linux) repository provides additional software packages that are not included in the standard Red Hat and CentOS repositories. In this tutorial, we will show you how to enable the EPEL repository on CentOS.

How to Install and Configure Redmine on CentOS 7
Redmine is one of the most popular open-source project management and issue tracking software tools. This tutorial covers the steps needed to install and configure Redmine on CentOS 7.

How to Install R on CentOS 7
R is a fast growing open-source programming language and free environment that specializes in statistical computing and graphics representation. This tutorial will teach you how to install R on CentOS 7.

How to Install Pip on CentOS 7
In this tutorial we will walk through how to install Python Pip on CentOS 7 and cover the basics of how to install and manage Python packages with pip.

How to Add Swap Space on CentOS 7
Swap is a space on a disk that is used when the amount of physical RAM memory is full. This tutorial explains how to add a swap file on CentOS 7 systems.

How to Install Jenkins on CentOS 7
This tutorial, will walk you through the steps of installing Jenkins on a CentOS 7 system using the official Jenkins repository. Jenkins is an open-source, Java-based automation server that offers an easy way to set up a continuous integration and continuous delivery (CI/CD) pipeline.

How to deploy Mattermost on CentOS 7
Mattermost brings all your team communication into one place and provides various features including file sharing, one-on-one and group messaging, custom emojis, video calls and more.

How To Create a Sudo User on CentOS
The sudo command is designed to allow users to run programs with the security privileges of another user, by default the root user. In this guide we will show you how to create a new user with sudo privileges on CentOS.

How to Install Iptables on CentOS 7
Starting with CentOS 7, FirewallD replaces iptables as the default firewall management tool. This tutorial will show you how to disable the FirewallD service and install iptables.

How to Stop and Disable Firewalld on CentOS 7
Starting with CentOS 7, FirewallD replaces iptables as the default firewall management tool. In this tutorial we will show you how to disable FirewallD on CentOS 7 systems.

How to Install VMware Workstation Player on CentOS 7
VMware Workstation Player is a mature and stable virtualization solution that allows you to run multiple, isolated operating systems on a single machine. This tutorial will guide you through the steps of installing VMware Workstation Player on CentOS 7.

How to Install VirtualBox on CentOS 7
VirtualBox is an open-source cross-platform virtualization software which allows you to run multiple guest operating systems (virtual machines) simultaneously. In this tutorial we will show you how to install VirtualBox from the Oracle repositories on CentOS 7 systems.

How to Install PostgreSQL on CentOS 7
PostgreSQL or Postgres is an open-source general-purpose object-relational database management system. In this tutorial we will show you two different methods on how to install PostgreSQL on your CentOS 7 machine.

Install MySQL on CentOS 7
With the release of CentOS 7 MySQL, the world's most popular open-source relational database management system is no longer available in the CentOS’s repositories and MariaDB has become the default database system. In this tutorial we will show you how to install MySQL on a CentOS 7 machine.

How to Install TeamViewer on CentOS 7
TeamViewer is a cross-platform solution that can be used for remote control, desktop sharing and file transfer between computers. In this tutorial we will walk through the steps necessary to install TeamViewer on CentOS 7.

How to Install Node.js and npm on CentOS 7
This tutorial walks you through the steps to install Node.js and npm on a CentOS 7 machine. Node.js is a cross-platform JavaScript run-time environment that allows server-side execution of JavaScript code.

How to Set Up an OpenVPN Server on CentOS 7
A VPN allows you to connect to remote VPN servers, making your connection encrypted and secure and surf the web anonymously by keeping your traffic data private. This tutorial will cover the process of setting up your own VPN server by installing and configuring OpenVPN.

Install Magento 2 on CentOS 7
Magento is an e-commerce platform built on open-source technology combining powerful features with flexibility and user friendly interface. In this tutorial, we will walk you through the steps of installing Magento 2 on your CentOS 7 machine.

Install MariaDB on CentOS 7
MariaDB is an open-source relational database management system, backward compatible, binary drop-in replacement of MySQL. In this tutorial we will show you how to install the latest version of MariaDB on a CentOS 7 machine.

Secure Nginx with Let's Encrypt on CentOS 7
In this tutorial, we'll provide a step by step instructions about how to secure your Nginx with Let's Encrypt using the certbot tool on CentOS 7
