If you need to lock a PDF file with a password on Linux, there is an easy way to do it even if it requires a terminal.
Software
Find all the guides and reviews about various software on SiliconGadget.com.
Play Star Trek Online on Linux
This guide cover(ed) how to play Star Trek Online on Linux; it is based on the personal experience I had when I played it back when it has been released. A bit of warning first: at the time I was using Kubuntu 9.10 64 bits and Wine 1.1.40, so your mileage may vary if you are using more updated version of Wine and (K)Ubuntu or a different distribution.
Review of World of Warcraft: Wrath of the Lich King
So … I kept promising a review of World of Warcraft: Wrath of the Lich King and after so much time here it is.