In the last Android tutorial, we looked at handling a touchscreen event. This only handled a single pointer, though. Android can handle multiple pointers at the same time, reflecting what happens when you have more than one finger on the screen at the same time. This is how multi-touch gestures (like pinch-zoom) work.

This describes the installation of LinOTP on OpenSUSE 12.3 using PostgreSQL as a token database. LinOTP is a two factor authentication solution with One Time Passwords. In the following Howto we are showing how to enable SSH authentication with LinOTP.

This tutorial shows how you can install and run a PrestaShop 1.5.x web site on a Debian Wheezy or Ubuntu 12.10 system that has nginx installed instead of Apache (LEMP = Linux + nginx (pronounced "engine x") + MySQL +...

On Linux systems, initialization (init) scripts manage the state of system services during system startup and shutdown. When the system goes through its runlevels, the System V init system starts and stops services as configured. While this tried-and-true technology has been around since the dawn of Unix, you can now create modern and efficient CentOS 6 init scripts by using Upstart, an event-based replacement for System V init.