CentOS Automatic Updates
May 4, 2019

Configure Automatic Updates with yum-cron on CentOS 7

Regularly updating your CentOS system is one of the most important aspects of overall system security. In this tutorial we will go through the process of configuring automatic updates on CentOS 7.

Self-Signed SSL Certificate
Apr 18, 2019

Creating a Self-Signed SSL Certificate

A self-signed SSL certificate is a certificate that is signed by the person who created it rather than a trusted certificate authority. This article explains how to generate a self-signed SSL Certificate using the openssl tool.

Linux SFTP Chroot Jail
Apr 7, 2019

How to Set Up SFTP Chroot Jail

If you are a system administrator managing Linux server chances are that you may need to grant SFTP access to some users to upload files to their home directories. In this tutorial we will explain how to setup up a SFTP Chroot Jail environment that will restrict users to their home directories.

Install OpenVPN on Debian 9
Mar 19, 2019

How to Set Up an OpenVPN Server on Debian 9

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 walk you through the process of setting up your own VPN server by installing and configuring OpenVPN.

Mar 16, 2019

How to Change the SSH Port in Linux

Mar 9, 2019

How to Set up Automatic Updates on Ubuntu 18.04

Nov 6, 2018

How to Set Up an OpenVPN Server on CentOS 7

Oct 29, 2018

How to Set up SSH SOCKS Tunnel for Private Browsing

Oct 22, 2018

How to Set Up SSH Keys on Debian 9

Oct 18, 2018

How to Set Up a Firewall with UFW on Debian 9