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Dan Nanni
@dan-nanni.bsky.social
290 followers 1 following 470 posts
Linux, networking, and cybersecurity made simple. Visual eBooks that make hard concepts stick: https://study-notes.org
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Dan Nanni @dan-nanni.bsky.social · Aug 10
My new eBook: Mastering Technology Essentials

All my best-selling eBooks on #Linux, #cybersecurity, and #networking are now rolled into this one powerhouse book with new chapters on #DevOps and #hardware to make it even more complete.

You can buy it from here:

study-notes.org/technology-e...
dan-nanni.bsky.social
Want to kickstart your cybersecurity career? Check out these free online courses from top universities, tech giants, and industry pros — perfect whether you are just starting or leveling up your skills! 😎👇

Find pdf books with all my #cybersecurity related infographics from study-notes.org
November 10, 2025 at 12:27 PM
dan-nanni.bsky.social
Master Linux storage management with these essential commands — from disks to file systems. Boost I/O performance and keep your system running fast! 😎👇 #sysadmin #devops

Find high-res pdf books with all my #Linux related infographics from study-notes.org
November 9, 2025 at 2:38 PM
dan-nanni.bsky.social
Are you trying to figure out which OS is good for you? For those clueless, here is an arbitrarily biased flow chart that can guide you 😎👇 #software #technology

Find high-res pdf books with all my #Linux and #DevOps related infographics from study-notes.org
November 7, 2025 at 12:32 PM
dan-nanni.bsky.social
Linux cgroups let you control and isolate how much CPU, memory, and I/O each process or container can use — the foundation of modern container performance management 😎👇 #docker #cybersecurity

Find high-res pdf books with all my #Linux and #DevOps related infographics from study-notes.org
November 6, 2025 at 1:00 PM
dan-nanni.bsky.social
Tired of seeing ads everywhere you browse? Here are some of the best ad-blocking tools you can try 😎👇 #privacy #web #browser

Find high-res pdf books with all my #cybersecurity related infographics from study-notes.org
November 5, 2025 at 1:01 PM
dan-nanni.bsky.social
Here are a list of office suites available on Linux 😎👇 #productivity #software

Find high-res pdf books with all my #Linux related infographics from study-notes.org
November 4, 2025 at 12:26 PM
dan-nanni.bsky.social
Kubernetes is an open-source platform that automates the deployment, scaling, and management of containerized applications across clusters

Here is what the #Kubernetes architecture looks like 😎👇

Find high-res pdf books with all my #DevOps and #Linux related infographics from study-notes.org
November 3, 2025 at 12:52 PM
dan-nanni.bsky.social
Here are useful aliases and shell functions you can add to your shell configuration 😎👇

Find high-res pdf books with all my #DevOps and #Linux related infographics from study-notes.org
November 2, 2025 at 12:41 PM
dan-nanni.bsky.social
Terminal shortcuts make command-line work faster, from navigation to file management and quick command execution. Here is a summary of useful Linux terminal shortcuts 😎👇

Find high-res pdf books with all my #DevOps and #Linux related infographics from study-notes.org
November 1, 2025 at 12:10 PM
dan-nanni.bsky.social
From AI-powered full IDEs, AI editors to autonomous agents, AI tools are transforming how we code.

Here are different types of #AI tools for #coding 😎👇

Find high-res pdf books with all my #DevOps and #technology related infographics from study-notes.org
October 31, 2025 at 11:16 AM
dan-nanni.bsky.social
Proxmark3 is an open-source powerhouse for RFID & NFC research — it can read, clone, analyze, and emulate tags across multiple frequencies

Find high-res pdf books with all my #networking and #cybersecurity related infographics from study-notes.org
October 30, 2025 at 12:19 PM
dan-nanni.bsky.social
TCP’s complex header ensures reliable, in-order delivery, while UDP’s simple header is designed for best-effort delivery with minimal overhead😎👇

Find high-res pdf books with all my #networking and #cybersecurity related infographics from study-notes.org
October 29, 2025 at 12:57 PM
dan-nanni.bsky.social
Here are free packet-sniffing tools you can try across #linux, #windows and #maxOS 😎👇

Find high-res pdf books with all my #networking and #cybersecurity related infographics from study-notes.org
October 28, 2025 at 11:23 AM
dan-nanni.bsky.social
If you work in DevOps or web app #pentesting, understanding #HTTP status codes is a must

Here is a quick breakdown of what each code means and when it appears in real-world scenarios 😎👇

Find high-res pdf books with all my #networking and #DevOps related infographics from study-notes.org
October 27, 2025 at 12:02 PM
dan-nanni.bsky.social
Thinking about ditching #macOS for Linux? Here is what you gain and what you might miss before you make the leap 😎👇

Would you ever switch?

Find high-res pdf books with all my #Linux and #DevOps related infographics from study-notes.org
October 26, 2025 at 1:02 PM
dan-nanni.bsky.social
Meet Flipper Zero—the pocket #gadget built for hardware explorers. Great for debugging #IoT, learning radio protocols, and ethical #pentesting. Small device, huge curiosity 😎👇 #infosec

Find high-res pdf books with all my #cybersecurity related infographics from study-notes.org
October 25, 2025 at 12:55 PM
dan-nanni.bsky.social
Love cybersecurity? These must-watch TV series take you deep into the world of hacking, cyber threats, and digital espionage, packed with mind-bending twists and tension 😎👇 #infosec

Find high-res pdf books with all my #cybersecurity related infographics from study-notes.org
October 24, 2025 at 12:09 PM
dan-nanni.bsky.social
Here is a categorized list of #AI #productivity tools you will actually want to try 😎👇

#genai #machinelearning #ai

Find high-res pdf books with all my #DevOps and #technology related infographics from study-notes.org
October 23, 2025 at 12:32 PM
dan-nanni.bsky.social
Here are #opensource alternatives to #Adobe #software 😎👇

Find high-res pdf books with all my #Linux related infographics from study-notes.org
October 22, 2025 at 12:32 PM
dan-nanni.bsky.social
An embedded Linux distro is a lightweight, purpose-built version of Linux tailored for devices with limited resources. Here are some of the most popular embedded Linux systems 😎👇 #iot #raspberrypi

Find high-res pdf books with all my #Linux related infographics from study-notes.org
October 21, 2025 at 11:54 AM
dan-nanni.bsky.social
Linux isn’t just for developers — it’s a creative powerhouse too. From photo editing to vector design and digital painting, here are some of the best image editing tools you can use on Linux 😎👇 #photography #opensource

Find pdf books with all my #Linux related infographics from study-notes.org
October 20, 2025 at 11:31 AM
dan-nanni.bsky.social
Most of #Microsoft #productivity tools are closed-source. But if you are on Linux, you’ve got plenty of #opensource alternatives that do the job just as well (and for free) 😎👇

Find high-res pdf books with all my #Linux related infographics from study-notes.org
October 19, 2025 at 12:24 PM
dan-nanni.bsky.social
RAID combines multiple drives into a single logical unit to boost speed, reliability, or both. Each RAID level strikes a different balance between performance, fault tolerance, and usable capacit 😎👇 #sysadmin #devops

Find pdf books with all my #Linux related infographics from study-notes.org
October 18, 2025 at 11:33 AM
dan-nanni.bsky.social
Here is a breakdown of key defensive measures that keep #Ethernet networks secure and resilient 😎👇 #sysadmin #cybersecurity #datacenter

Find pdf books with all my #networking related infographics from study-notes.org
October 17, 2025 at 11:31 AM
dan-nanni.bsky.social
A network protocol stack is a layered system where each protocol plays a specific role, from enabling app-to-app communication down to transmitting raw bits across cables or airwaves 😎👇 #sysadmin #devops

Find high-res pdf books with all my #networking related infographics from study-notes.org
October 16, 2025 at 12:30 PM