System Admin

NextCloud, just as its name suggests, is a promising alternative of another open source file hosting solution OwnCloud. In this article, I will show you ho

Introduction In this tutorial, we will cover the process of adding an entire IP range/subnet to a Linux server running CentOS, Debian, or Ubuntu. The proces

Introduction Cachet is an open source status page system which allows you to inform your users about outages, planned maintances and much more. In this guid

Using a Different System? RainLoop is a simple, modern and fast web-based email client. RainLoop source code is hosted on Github. This guide will show you ho

Using a Different System? osTicket is an open-source customer support ticketing system. osTicket source code is publicly hosted on Github. In this tutorial

DirectAdmin has support for Lets Encrypt, a free new certificate authority. In this guide you will see how to enable the support on DirectAdmin. Befor

Introduction Certbot is an automated SSL Certificate issuer for the Lets Encrypt Certificate Authority. It was developed as a client for Let’s Encrypt an

Introduction This tutorial demonstrates a full-featured email server running on OpenBSD using OpenSMTPD, Dovecot, Rspamd, and RainLoop. OpenSMTPD is th