Updating grub in Ubuntu

The best link I found:

http://askubuntu.com/questions/156700/how-to-set-default-boot-kernel-in-ubuntu-grub

Eclipse startup error with TFS plugin

Sometimes Eclipse will produce the dull error message "An error has occurred. See the log file...". On my system this is caused by the TFS plugin misbehaving. 

An easy way to recover this is to navigate to the directory ${workspace}\.metadata\.plugins\org.eclipse.core.resources and delete the file .snap.

Windows - find processes that have a file locked

The tool Process Explorer can help ("Find/Handle or DLL substring")
http://www.heise.de/download/process-explorer.html