Install HHVM on Ubuntu 14.04 LTS x64

HHVM (HipHop Virtual Machine) is a execution environment for PHP- and Hack-based applications based on just-in-time compilation. It is multiple times faster than normal PHP installations, but has some compatibility problems with many applications, so you should make sure your application runs with HHVM before you fire up your application with it.

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Secure your OpenSSH Server

Secure Shell, or SSH, is a cryptographic (encrypted) network protocol for initiating text-based shell sessions on remote machines in a secure way. OpenSSH is an implementation of SSH used on most linux-based systems. It is very secure by default, but there are some configuration options that can be tweaked to reach a higher security level.

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How to install Docker on Ubuntu 14.04 LTS x64

Docker is a container management software that wraps up applications into isolated virtualized linux container that can be easily transferred between different host systems. When you develop an application, you can define the environment by putting the application into a docker container and you ship the environment with your application. This should reduce dependencies enormously.

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