MySQL ­ Restoring the root password

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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

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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

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