Alan has 20 years of IT experience, mostly in the Government and Financial sectors. He started as a Value Added Reseller before moving into Systems Engineering. Alan's background is in high-availability clustered apps. He wrote the 'Users and Groups' and 'Apache and the Web Stack' chapters in the Oracle Press/McGraw Hill 'Oracle Solaris 11 System Administration' book. He earned his Master of Science in Information Systems from George Mason University. Alan is a long-time proponent of Open Source Software.

Authored Content


Links have always been a unique advanced feature of UNIX file systems.
Montage of Alan as a Kid

Here are a few of my favorite ImageMagick tricks and how to use them without a GUI.
Pumpkins painted for Day of the Dead

Celebrate the Day of the Dead using this fun Linux command-line tool.
Polaroids and palm trees

A script and ImageMagick make preparing images for publication quick and easy.
Computer screen with files or windows open

Hostnames are labels for humans to refer to a specific computer.

Contributed Content

30 years

The Linux kernel is turning 30 this year.
Person using a laptop

Members of the team stress-test five open source video-conferencing applications so you don't have to.
Person in a field of dandelions

Top authors on have new levels of access, support, and exclusive opportunities.