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Browse all Linuxize tutorials, guides, and references.
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 Apache Cassandra on Ubuntu 18.04
Apache Cassandra is a free and open-source NoSQL database with no single point of failure. In this tutorial we will show you how to install Apache Cassandra on Ubuntu 18.04.

How to Disable Firewall on Ubuntu 18.04
In this tutorial we will show you how to disable the UFW firewall on Ubuntu 18.04 systems. It is highly recommended to keep the firewall enabled. However, in some situations, such as testing you might need to stop or disable the firewall.

How to Set Up a Firewall with UFW on Debian 9
UFW (Uncomplicated Firewall) is a user-friendly front-end for managing iptables firewall rules and its main goal is to make managing iptables easier or as the name says uncomplicated. In this tutorial we will show you how to setup a firewall with UFW on Debian 9.

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 Set Up a Firewall with UFW on Ubuntu 18.04
By default, Ubuntu comes with a firewall configuration tool called UFW (Uncomplicated Firewall). UFW is a user-friendly front-end for managing iptables firewall rules.

How to Install VMware Workstation Player on Debian 9
VMware is a mature and stable virtualization solution that allows you to run multiple, isolated operating systems on a single machine. This tutorial will show you how to install VMware Workstation Player on Debian 9.

How to Install VirtualBox on Debian Linux 9
This tutorial covers how to install the latest VirtualBox 6.0 on Debian 9. VirtualBox is an open-source cross-platform virtualization software which allows you to run multiple guest operating systems simultaneously.

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 VMware Workstation Player on Ubuntu 18.04
With VMware Workstation Player you can create and run your own virtual machines and evaluate software distributed as a virtual appliance from many software vendors. This tutorial explains how to install VMware Workstation Player on Ubuntu 18.04.

How to Install PostgreSQL on Debian 9
PostgreSQL, often known simply as Postgres, is an open-source general-purpose object-relational database management system. In this tutorial we will show you how to install PostgreSQL on Debian 9 and explore the fundamentals of basic database administration.

How to Install MySQL on Debian 9
In this tutorial we will show you how to install and secure MySQL on a Debian 9 machine from the MySQL Apt Repository.

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.

How to Install PostgreSQL on Ubuntu 18.04
PostgreSQL or Postgres is an open-source general-purpose object-relational database management system. In this tutorial we will show you how to install PostgreSQL on Ubuntu 18.04 and explore the fundamentals of basic database administration.

How to Install VirtualBox on Ubuntu 18.04
In this tutorial we'll show you how to install VirtualBox on an Ubuntu 18.04 machine. VirtualBox is an open-source cross-platform virtualization software which allows you to run multiple guest operating systems simultaneously.

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 and Configure Nagios on Debian 9
Nagios is a popular open-source monitoring software. This tutorial explains how to install and configure the latest version of Nagios Core on Debian 9.

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.
