Christopher Tozzi


Christopher Tozzi has covered the channel for The VAR Guy on a freelance basis since 2008, with an emphasis on open source, Linux, virtualization, SDN, containers, data storage and related topics. He also teaches history at a major university in Washington, D.C. He occasionally combines these interests by writing about the history of software. His book on this topic, For Fun and Profit: A History of the Free and Open Source Software Revolution, is forthcoming with MIT Press.


Why and How to Apply DevOps to the Entire Organization (Not Just IT)

DevOps doesn't have to be limited to software development and production. DevOps ideas should apply to your entire organization.

5 Outdated Tech Habits that are Hard to Kick
In the world of IT, old habits can die hard. Here's a look at practices -- like restarting a misbehaving computer, or downloading Adobe Acrobat to read PDFs -- that used to be necessary, but no longer are (even though some people still cling to them).
5 Challenges to Bitcoin's Continued Growth

The value of Bitcoin, the blockchain-based digital currency, has increased more than six-fold since the start of 2017. Since inception, Bitcoin's value has risen many thousands of times its original worth.

Yet Bitcoin faces challenges, which it needs to overcome in order to keep growing. Here's a look at five of the biggest.

7 Heated Debates from Free and Open Source Software History

To say that the free and open source software community has faced its share of controversy is a huge understatement. Indeed, fierce debate among hackers -- about both technical issues and philosophical ones -- has played a pivotal role in shaping free and open source software communities over the years.

Unix to GitHub: 10 Key Events in Free and Open Source Software History

It's easy to take open source software for granted today, but free and open source software as we know it is the product of a long series of developments that stretch back a half-century. Here's a look at big moments in free and open source history -- from the heyday of free Unix, to the birth of GNU and Linux, to the GitHub's democratization of coding, and everything in between.

Four Ways MSPs Can Use Blockchain to Improve Managed Services
Although most managed service providers are not yet working with blockchain, it's time for MSPs to start planning ways for blockchain to help their businesses.
How the Windows vs. Linux Debate Has Changed over the Past Decade 2

Why use Linux instead of Windows? Ten years ago, the reasons for using Linux were very different than they are today. Here's how they have changed.

Dell's REX-Ray, A Storage Orchestrator for Docker, Embraces CSI Specs
Storing data persistently inside Docker containers remains difficult. A storage orchestrator from Dell Technologies, REX-Ray, hopes to solve that challenge.
Employers Seek Open Source Expertise -- But You Should Already Know That

Open source expertise is in even greater demand among employers than in previous years -- and that's saying something, because open source skills have long been an important consideration when hiring.

The Benefits of Multi-Cloud Computing Architectures for MSPs
Multi-cloud computing architectures are the next step up from cloud computing. If you're an MSP, it may no longer be enough to have just one cloud.
When Not to Use Docker: Understanding the Limitations of Containers 2

Docker is a great tool. But Docker containers are not a cure-all. If you really want to understand how Docker is impacting the channel, you have to understand its limitations.

The Managed Kubernetes Opportunity for MSPs
Kubernetes, an open source orchestration platform for Docker containers, is an increasingly important part of computing environments.
3 Reasons to Invest in Bitcoin and 3 Reasons to Stay Away

Bitcoin's value has increased four fold since the spring -- and you thought the DOW stock market surge was big news. Is now the time to invest your money in Bitcoin? Here's why you should and why you shouldn't.

Bitcoin, of course, is a blockchain-based cryptocurrency. It's decentralized, anonymous and global.

Four Technologies that Help MSPs Maintain SLA Guarantees 1
Maintaining Service Level Agreements (SLAs) is essential -- especially because clients now have advanced ways of quantifying SLA performance.
Five Long-Term Computing Trends that Shape the Way We Run Software

From distributed computing to on-demand services and modular software environments, certain long-term trends are shaping the way we compute today and will compute tomorrow. Here's a look.

These trends represent broad patterns that have existed in the world of computing for decades. They have slowly manifested themselves in recent years to shape the technology landscape of today. It's a safe bet that they will continue to influence widespread technology practices going forward.

The trends include...


When Not to Use Docker: Understanding the Limitations of Containers
August 24, 2017

Good points. On 2) I'd point out that even an app written in a cross-platform scripting language like Python may have OS dependencies that prevent you from running the same...

From Food to Sofas: How Open Source is Changing the World Beyond Software
February 3, 2017

"Free software" -- which a lot of people would characterize as similar to, but not quite the same thing as, "open source software" -- originated well before 1998. But the...

Open Source Software's Top Five Challenges for 2017
January 13, 2017

Personal experience :) I am remembering a wireless card I owned (some kind of D-Link -- I forget the exact chip) that only worked with ndiswrapper, and it would crash after an...

5 Ways Open Source Programmers and Companies Make Money
June 10, 2016

Good point. This was drafted a while ago, before the ownCloud kerfuffle in April.

IoT Past and Present: The History of IoT, and Where It's Headed Today
May 3, 2016

Thanks for the pointer. I am unable to find proof that the Electrolux ever actually made it to market, though. A February 1999 Wired article (