Gary Sims

Gary has been a technical writer, author and blogger since 2003. He is an expert in open source systems (including Linux), system administration, system security and networking protocols. He also knows several programming languages, as he was previously a software engineer for 10 years. He has a Bachelor of Science in business information systems from a UK University.

Running Docker.io Under Ubuntu Linux

Running Docker.io Under Ubuntu Linux

Docker.io allows you to create containers holding all the dependencies for an application, and yet nothing gets shared outside its environment. Let’s check out how to use it in Ubuntu.

Tails – Full Review and Hands-on

Tails – Full Review and Hands-on

Tails is a live distribution and is designed to be booted from either a DVD or a USB stick. The following is a review and hands-on of Tails.

Using dmesg on Linux

Using dmesg on Linux

With a little help understanding the basics, the dmesg command can become a very powerful tool in a system admin’s tool-set.

How to Dual Boot Ubuntu and Fedora

How to Dual Boot Ubuntu and Fedora

Experienced Linux users will find themselves wanting to install multiple distributions. This walks you through a dual boot, adding Ubuntu and Fedora.

Mageia Linux –  Full Review and Hands-on

Mageia Linux – Full Review and Hands-on

Mageia Linux is a fork of Mandriva Linux and it is listed as the fourth most popular distribution at Distrowatch.com. Check out our review on this popular distro.

PC-BSD vs. Ubuntu

PC-BSD vs. Ubuntu

Other than Linux, another popular open source operating systems is FreeBSD. Let’s take a look at how PC-BSD, desktop version of FreeBSD, stacks up against Ubuntu.

Simplicity Linux Review

Simplicity Linux Review

Simplicity Linux is a derivative of Puppy Linux that comes in netbook, desktop and media versions. It is quick and doesn’t need much memory or disk space. Let’s check it out.

Running FreeBSD on Raspberry Pi

Running FreeBSD on Raspberry Pi

The Raspberry Pi can support a variety of Operating Systems. For those who are keen to run FreeBSD on Raspberry Pi, here is the installation instructions.