Welcome to the home of Dan Calloway's website, your go-to resource for all things Linux, Unix, and Open Source. Whether you're a seasoned IT professional or just beginning your journey into the world of open-source technologies, this site has something for you. Here, you will find a wealth of knowledge, insights, and tutorials that aim to empower and inspire individuals to harness the full potential of these powerful platforms.

As a retired IT professional and former college professor with decades of experience, I have made it my mission to share what I’ve learned with a wider audience. This site is a culmination of years of expertise in Linux and Unix systems administration, programming, and open-source software development. My goal is to break down complex concepts into digestible articles that can help you master these systems, whether you are configuring your first server or scripting complex automation tasks.

The world of Linux and Unix is vast, and with open-source software evolving rapidly, staying up-to-date can be a challenge. Here, I strive to provide relevant and timely content that addresses the latest developments and best practices in the industry. From deep dives into kernel updates and system architecture to step-by-step guides on configuring and deploying popular software packages, you'll find a wide array of topics to explore.

In addition to technical articles, I also share my thoughts on the broader open-source community and its impact on technology and society. The collaborative nature of open source has not only revolutionized software development but also transformed industries and fostered a spirit of innovation and cooperation. I believe in contributing back to this vibrant community and encourage visitors to engage, learn, and share their experiences as well.

Thank you for visiting, and I hope you find this website to be a valuable resource in your open-source journey. Whether you’re here to solve a technical problem, deepen your understanding, or simply to be inspired, I am thrilled to have you as part of this community. Welcome, and happy learning!