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Platform & Security Engineer — practical guides on DevOps, cybersecurity, Linux, and automation from real-world experience.
Jose Mendez
With over a decade of hands-on experience in IT infrastructure, security, and automation — I document real-world solutions across DevOps tooling, network security, Linux administration, and ethical hacking. Because the best notes are the ones you publish.
If you've ever stared at your WordPress dashboard and thought, "There has to be a better way" — thi…
Introduction If you've ever typed something like "Give me a bash script to monitor disk usage" into…
Introduction If you've been using Claude for a while, you've probably run into the same frustration…
Introduction If you’re an IT pro, you know the itch. You look at a cloud provider’s pricing for a r…
Introduction As a Senior Platform Engineer, I’ve seen it all—from massive corporate data breaches t…
Introduction In today's interconnected digital landscape, Application Programming Interfaces (APIs)…
Introduction In today’s IT landscape, security is no longer optional—it’s a necessity. Whether you …
Introduction In my previous blog, I discussed building a Debian XFCE desktop inside Docker — walkin…
Introduction Running a full desktop environment inside a container can sound unusual at first, but …
Introduction For decades, Debian and its derivatives such as Ubuntu, Linux Mint, and Pop!_OS have r…
✍️ Brief Introduction Managing applications on Linux can sometimes feel fragmented, especially when…
Creating an Isolated Internal Network for Virtual Machines 💻 Virtualization offers powerful tools f…
Introduction curl is a command-line HTTP client that doubles as a surgical pentesting tool — crafti…
Introduction Virsh (Virtual Shell) is the command-line interface for managing virtual machines and …
Introduction SCP (Secure Copy Protocol) is a network protocol that allows you to securely transfer …