Alan Formy-Duval

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United States

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.

Open Source Sensei People's Choice Award SysAdmin Geek Java Contributor Club Git Author Comment Gardener Apache DevOps Gamer Linux

Authored Content

Team of people around the world

How to add a user to your Linux desktop

It's easy to manage users from a graphical interface, whether during installation or on the desktop.

people in different locations who are part of the same team

Intro to the Linux useradd command

Add users (and customize their accounts as needed) with the useradd command.

Penguins on beach

Introduction to the Linux chgrp and newgrp commands

The chgrp and newgrp commands help you manage files that need to maintain group ownership.

Jump-start your career with open source skills

An introduction to Virtual Machine Manager

Virt-manager provides a full range of options for spinning up virtual machines on Linux.

GNOME

How to use GNOME Boxes' snapshot capability

GNOME Boxes' snapshot capability preserves data in case you need to revert your virtual machine to a previous state.

How to upgrade your Fedora Linux system with DNF

Introduction to the Linux chmod command

Chmod, which sets read, write, and execute permissions, is one of the most important Linux security commands.

Authored Comments

Alan Formy-Duval Opensource.com Correspondent

15 Nov 2021

Linux tips for using cron to schedule tasks

Good tips, I think the cheat sheet will be very useful! cron is one of those things you have to learn... over and over again =]

Alan Formy-Duval Opensource.com Correspondent

5 Nov 2021

How to update a Linux symlink

Thanks Jim! Glad it was useful!