MySQL ­ Restoring the root password


A common problem with mysql databases is the loss of the root password for various reasons. This article will describe how to quickly recover a root password in mysql without losing data, using Debian/Ubuntu as an example.

A simple OpenVPN setup with fixed client addresses


This article illustrates the process of OpenVPN (Virtual Private Network) setup on both the server and client, and describes an approach to keep client addresses fixed in a virtual network under a public key security certificate. This technology makes for a quick and cheap setup of local virtual nets, by using the existing physical resources or the Internet.

How to Repair GRUB2


You can easily restore GRUB2 from a Ubuntu live CD or USB drive.