MySQL ­ Restoring the root password

  • 2 Comments

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

  • 6 Comments

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

  • 18 Comments

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