About this ebook
A complete, practical guide to computer maintenance, cybersecurity, and troubleshooting. Learn how to set up your system, defend against modern threats, perform essential clean-up, fix common hardware/software issues, and plan for your digital future.
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Ratings and reviews
5.0
1 review
Jon Pienkowski
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March 23, 2026
Not overly technical and dense with relevant information! Goes over 101 material as well as more advanced topics and procedures! Tries to cover a lot vs getting super detailed on each topic, but man what a wealth of information!
About the author
Jon Pienkowski is an IT and technical support professional and cybersecurity researcher with 20+ years of hands-on experience supporting Windows, MacOS and Linux systems. His work spans hardware/software diagnostics and repair, data recovery, custom desktop and server builds, virtualization (including Docker and Proxmox), network design and management for homes and businesses, and security-focused system hardening. Jon's cybersecurity background includes malware removal, research and reverse engineering, with ongoing training through platforms such as TryHackMe, PentestLab, TCM Security, and HackTheBox.
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