If an old, outdated piece of computing hardware lying around, a great use for it - besides being a dust collector - would be to turn it into a file/media sharing server using Samba.
Mozilla Thunderbird is the default email client in Ubuntu. It is easy to use and setup, has many advanced features and allows for easy customisation. And customization is exactly what this article is all about.
Is your Master Boot Record royally messed up? Who needs Live CDs? This video tutorial will show you how you can use an Ubuntu Live USB drive to do a complete reinstall of GRUB, even when your boot device is inaccessible.