CentOS

CentOS, which stands for Community Enterprise Operating System, is a free, open-source linux distribution that is based on Red Hat Enterprise Linux (RHEL).

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288 Results
  • Tutorial

    How To Add and Delete Users on CentOS 8

    In this guide, we will cover how to create user accounts, assign sudo privileges, and delete users on a CentOS 8 server.
    By Brian Boucheron CentOS CentOS 8 Linux Basics Getting Started
  • Tutorial

    How To Create a New Sudo-enabled User on CentOS 8 [Quickstart]

    This guide will show you how to create a new user with sudo access on CentOS 8, without having to modify your server's /etc/sudoers file.
    By Brian Boucheron Linux Basics CentOS CentOS 8 Quickstart
  • Tutorial

    How To Set Up a Firewall Using FirewallD on CentOS 7

    Firewalld is a complete firewall solution available by default on CentOS and Fedora servers. In this guide, we will cover how to set up a basic firewall for your server and show you the basics of managing the firewall...
    By Justin Ellingwood CentOS Firewall Security
  • Tutorial

    A Basic MySQL Tutorial

    MySQL is a powerful database management system used for organizing and retrieving data. This tutorial explains how to access the MySQL Shell, how to create and delete a new database, how to create and delete a new tab...
    By Etel Sverdlov MySQL Ubuntu CentOS
  • Tutorial

    How To Install MariaDB on CentOS 8

    In this tutorial, we will explain how to install the latest version of MariaDB on a CentOS 8 server.
    By Brian Boucheron CentOS CentOS 8 MySQL MariaDB Databases
  • Tutorial

    How To Edit the Sudoers File on Ubuntu and CentOS

    The sudo command is useful for executing commands with privileges usually outside of the scope of your user. This guide will discuss how to edit the configuration file in order to customize the way sudo functions.
    By Justin Ellingwood Linux Basics Ubuntu CentOS
  • Tutorial

    How To Install Linux, Apache, MySQL, PHP (LAMP) stack On CentOS 7

    In this guide, we'll get a LAMP stack installed on an CentOS 7 VPS. A "LAMP" stack is a group of open source software that is typically installed together to enable a server to host dynamic websites and web apps. Thi...
    By Mitchell Anicas LAMP Stack Getting Started CentOS
  • Tutorial

    Iptables Essentials: Common Firewall Rules and Commands

    Iptables is the software firewall that is included with most Linux distributions by default. This cheat sheet-style guide provides a quick reference to iptables commands that will create firewall rules are useful in c...
    By Mitchell Anicas Firewall CentOS Ubuntu
  • How To Configure a Linux Service to Start Automatically After a Crash or Reboot – Part 1: Practical Examples

    This tutorial shows you how to configure system services to automatically restart after a crash or a server reboot. We cover the three most common init systems in this tutorial: System V, Upstart, and systemd.
    By Sadequl Hussain System Tools Linux Commands Linux Basics CentOS Debian Ubuntu
  • Tutorial

    How To Install Java on CentOS and Fedora

    This tutorial will show you how to install Java on CentOS 7 (also 5, 6, 6.5), Fedora 20, and RHEL. Java is a popular software platform that allows you to run Java applications and applets. The installation of the fol...
    By Mitchell Anicas Java CentOS Fedora
  • Tutorial

    How To Install the Apache Web Server on CentOS 7

    The Apache HTTP server is the most widely-used web server in the world. It provides many powerful features including dynamically loadable modules, robust media support, and extensive integration with other popular so...
    By Haley Mills Apache CentOS
  • Initial Server Setup with CentOS 7

    This tutorial explains the first steps you need to take after creating your CentOS 7 server, including how to login with root, change the root password, create a new user, give the new user root privileges, change the...
    By Mitchell Anicas Getting Started Initial Server Setup Linux Basics CentOS
  • Tutorial

    How To Install MySQL on CentOS 7

    MySQL is an open-source database management system. CentOS 7 prefers MariaDB, a fork of MySQL managed by the original MySQL developers and designed as a replacement for MySQL. Unless you have a specific use-case for M...
    By Melissa Anderson MySQL Databases MariaDB CentOS
  • Tutorial

    How To Reset Your MySQL or MariaDB Root Password

    Forgetting passwords happens to the best of us. If you forget or lose the root password to your MySQL or MariaDB database, you can still gain access and reset the password if you have access to the server and a sudo-e...
    By Mateusz Papiernik MySQL MariaDB Databases CentOS Debian Ubuntu Ubuntu 16.04
  • Tutorial

    How To Set Up Apache Virtual Hosts on CentOS 7

    The Apache web server is extremely powerful and flexible, which is why it's the most popular way of serving web content. Apache can host multiple domains or interfaces on one server by splitting sites into separate vi...
    By Josh Barnett Apache CentOS
  • Tutorial

    How To Install Linux, Apache, MySQL, PHP (LAMP) stack On CentOS 6

    This tutorial explains how to install Apache, how to install MySQL, how to change the root MySQL password, how to install PHP, and how to see what libraries are available. LAMP stack is a group of open source software...
    By Etel Sverdlov CentOS
  • Tutorial

    How To Install Nginx on CentOS 7

    This articles covers how to install Nginx, a web server, on a CentOS 7 virtual server. This can be done with the CentOS package installer, yum.
    By Mitchell Anicas Nginx CentOS
  • Tutorial

    How To Import and Export Databases in MySQL or MariaDB

    Being able to import and export your database is an important skill to have. You can use data dumps for backup and restoration purposes, so you can recover older copies of your database in case of an emergency, or you...
    By Mateusz Papiernik MySQL MariaDB Databases Backups CentOS Debian Ubuntu Ubuntu 16.04
  • Tutorial

    How To Install and Use Docker on CentOS 7

    Docker is an application that makes it simple and easy to run application processes in a container, which are like virtual machines, only more portable, more resource-friendly, and more dependent on the host operating...
    By finid Docker CentOS
  • Tutorial

    How To Set Up and Configure an OpenVPN Server on CentOS 7

    Here we'll install and configure OpenVPN on a CentOS 7 server. We'll also discuss how to connect a client to the server on Windows, OS X, and Linux. OpenVPN is an open-source VPN application that lets you create and j...
    By Jacob Tomlinson VPN Security Firewall CentOS