Change Hostname on Ubuntu

In this tutorial, we will assume that the hostname you want is “pluto”. For Ubuntu 12.04 (Precise Pangolin) On your SSH Terminal, type: hostname pluto Using nano, you can then... Read more

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

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 Install VNC Desktop on Ubuntu 14.04

This guide will walk you through installing a VNC desktop on Ubuntu 14.04 with the free VNC software, TightVNC. Step 1: Install components We need to install the following components... 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

Install Lighttpd and PHP on Ubuntu

Lighttpd is an easy, fast, and flexible web-server that runs on low-resources (CPU/RAM) while running on a small server. In this tutorial, I will show how to configure lighttpd with... 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

How to Install PhantomJS on Ubuntu 16.04

Introduction PhantomJS is a scripted, headless browser that can be used for automating web page interaction. PhantomJS is a free, open source and distributed under the BSD license. PhantomJS is... Read more

Memory (RAM) usage monitoring on Linux

Monitoring RAM resources of your VPS is very important. Especially, if you use caching systems such as Redis or Memcached. If your server runs out of memory, or runs short... 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