Changing Postfix Outbound IP Address

When a server has more than one IP address assigned to it, Postfix randomly selects an IP address for outbound emails. This default Postfix behavior can result in emails being... Read more

Reverse SSH Tunneling

It is a common practice among Internet Service Providers to block the majority of, if not all incoming ports for their home subscribers — making it impossible to remotely connect... Read more

How To Install RabbitMQ on Ubuntu 16.04

Using a Different System? How to Install RabbitMQ on CentOS 7 Are we missing a guide for your target system? Request one, or submit your own! RabbitMQ is a widely... Read more

How to Deploy Multiple WordPress Sites Using Virtualmin and Ansible on Ubuntu 16.04

A common usage of a Vultr virtual server is to host WordPress websites. This guide shows you how to automate the configuration of a virtual server from scratch (using Ansible)... Read more

How to Install Vanilla Forum on Ubuntu 16.04

Using a Different System? How to Install Vanilla Forum on CentOS 7 Are we missing a guide for your target system? Request one, or submit your own! Vanilla forum is... Read more

How to Install Golang 1.8 on Ubuntu 16.04

Go (Golang) is a modern programming language developed at Google, and focused on simplicity and safety. It has become a popular language used for server-side development. First, you need to... Read more

Setup a Symfony 3 Application on Linux

Introduction Symfony is one of the most popular PHP frameworks that can be used to develop your own applications easily and rapidly. Featuring an assortment of decoupled and reusable components... Read more

Enable HTTP/2 in Nginx on Ubuntu 16.04

HTTP/2 is the new version of now obsolete HTTP/1.1 protocol which was standardized way back in 1999. A lot has changed on the web since then. Our applications are more... Read more

Apache Optimization for Low End VPS on Ubuntu 14.04

Apache is very easy to install and initialize, but it comes with numerous modules pre-installed and as a result you may have performance problems when running on a low RAM... Read more

Setup SFTP-Only User Accounts On Ubuntu 14

Introduction Certain scenarios require you to create users with read and write access to a single directory via FTP only. This write-up will show you how to create such users.... Read more