MySQL ­ Restoring the root password


When working with MySQL databases, a common problem is to lose the root password for whatever reason. This article describes how to avoid losing data during fast recovery of the MySQL root password, by taking a Debian/Ubuntu system 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.