How to use ‘find’ to search for files created on a specific date

If you need to find all files modified on, or accessed on a particular date, here’s a neat little solution using (GNU) find.

About the interrobang and typing Unicode.

What was the name of the first opera?

Two answers to the question “What was the name of the first opera?”, depending on in which context you ask.

Semi-automatic offline synchronization of a digital media player

Semi-automatic offline synchronization of a digital media/audio player and Linux, using rsync. Makes you really love Linux, Bash and rsync.

HOWTO: Painless markup validation with Opera and Ubuntu

How to install the markup validator locally in Ubuntu Linux and configuring Opera to use the locally installed validator in place of the w3c hosted one.