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Learn Linux with Dan

@dan-nanni.bsky.social
378 followers 1 following 791 posts

Linux, networking, and cybersecurity made simple. Visual eBooks that make hard concepts stick. All infographics hand-crafted by me: study-notes.org

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Learn Linux with Dan @dan-nanni.bsky.social · 19h
What actually goes inside a data center rack? Here is a quick breakdown of the key components and what each one does 😎👇 Find high-res pdf ebooks with all my technology related infographics at study-notes.org #datacenter #computer #technology #computerhardware #serverrack
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Learn Linux with Dan @dan-nanni.bsky.social · 29/09/2026
The /var directory is where Linux keeps much of the data that changes while the system is running, like logs, caches, package data and temporary files. Here is a quick map 😎👇 Find pdf ebooks with all my #Linux related infographics at study-notes.org #devops #sysadmin #filesystem #kalilinux
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Learn Linux with Dan @dan-nanni.bsky.social · 28/09/2026
Here are free cybersecurity services you can use right from your browser, from breach checks and recon to malware scanning and threat intel 😎👇 Find high-res pdf ebooks with all my #cybersecurity related infographics at study-notes.org #infosec #pentesting #kalilinux #itsecurity
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Learn Linux with Dan @dan-nanni.bsky.social · 27/09/2026
curl can do a lot more than download files. Here is a quick cheat sheet for everyday HTTP requests, uploads, and downloads 😎👇 Find high-res pdf ebooks with all my Linux related infographics at study-notes.org #linux #devops #opensource #networkengineer #techtips
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Learn Linux with Dan @dan-nanni.bsky.social · 26/09/2026
AI agents are everywhere now, but which ones actually matter? Here is a map of the biggest players across the agentic AI landscape 😎👇 Find high-res pdf ebooks with all my technology related infographics at study-notes.org #ai #agenticai #chatgpt #claudeai #technology
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Learn Linux with Dan @dan-nanni.bsky.social · 25/09/2026
Linux permissions look cryptic until you realize rwxr-xr-x is just Linux telling you exactly who can do what 😎👇 Find high-res pdf ebooks with all my Linux related infographics at study-notes.org #cybersecurity #infosec #linux #devops #sysadmin
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Learn Linux with Dan @dan-nanni.bsky.social · 24/09/2026
Trying to make sense of Google Cloud? Here is the big picture of its services, all in one place 😎👇 Find high-res pdf ebooks with all my DevOps related infographics at study-notes.org #devops #cloudengineer #google #googlecloud #cloudservices
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Learn Linux with Dan @dan-nanni.bsky.social · 23/09/2026
Tired of remembering which password you used where? These free password managers can do the remembering for you 😎👇 Find high-res pdf ebooks with all my cybersecurity related infographics at study-notes.org #cybersecurity #infosec #linux #privacy #password
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Learn Linux with Dan @dan-nanni.bsky.social · 22/09/2026
A few tcpdump commands can tell you a lot about what is actually happening on your network 😎👇 Find high-res pdf ebooks with all my networking related infographics at study-notes.org #cybersecurity #infosec #linux #devops #sysadmin
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Learn Linux with Dan @dan-nanni.bsky.social · 21/09/2026
Want to stream your own media collection at home? Here are some popular self hosted options worth checking out 😎👇 Find high-res pdf ebooks with all my Linux related infographics at study-notes.org #opensource #selfhosted #streaming #software #technology
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Learn Linux with Dan @dan-nanni.bsky.social · 20/09/2026
Ever wonder how your email server handles your messages? IMAP, POP3, and Exchange ActiveSync do it in very different ways 😎👇 Find high-res pdf ebooks with all my networking related infographics at study-notes.org #tech #sysadmin #technology #techtips #networking
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Learn Linux with Dan @dan-nanni.bsky.social · 19/09/2026
Linux firewalls are powerful, but thankfully you do not have to manage them the hard way. Linux gives you plenty of options from simple GUIs to full blown management tools 😎👇 Find pdf ebooks with all my #Linux related infographics at study-notes.org #cybersecurity #infosec #devops #sysadmin
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Learn Linux with Dan @dan-nanni.bsky.social · 18/09/2026
Wi-Fi has evolved through many IEEE standards over the years, each bringing changes in speed, frequency, range, and capabilities 😎👇 Find high-res pdf ebooks with all my networking related infographics from study-notes.org #wifi #wifi6 #wireless #technology #techtips
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Learn Linux with Dan @dan-nanni.bsky.social · 17/09/2026
Every network interface has a MAC address, and understanding how it is structured helps explain how devices are identified and communicate on a local network 😎👇 Find pdf books with all my #networking related infographics at study-notes.org #networkequipment #technology #datacenter #ethernet
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Learn Linux with Dan @dan-nanni.bsky.social · 16/09/2026
Arm vs. x86 powers nearly everything we use, but what actually makes these two CPU architectures different? 😎👇 Find high-res pdf ebooks with all my technology related infographics at study-notes.org #computer #technology #cpu #laptop #tech
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Learn Linux with Dan @dan-nanni.bsky.social · 15/09/2026
Need to pull useful information out of messy text? awk can filter, extract, calculate, and reformat it right from the command line 😎👇 Find high-res pdf ebooks with all my Linux related infographics at study-notes.org #linux #devops #opensource #sysadmin #dev
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Learn Linux with Dan @dan-nanni.bsky.social · 14/09/2026
VMware is no longer the automatic choice for enterprise virtualization, and there are plenty of alternatives worth knowing about 😎👇 Find high-res pdf ebooks with all my DevOps related infographics at study-notes.org #devops #cloudengineer #vmware #cloudcomputing #technology
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Learn Linux with Dan @dan-nanni.bsky.social · 13/09/2026
Want to host a VPN server on Linux instead of relying on a commercial VPN provider? These are some of the most popular self hosted options 😎👇 Find high-res pdf ebooks with all my cybersecurity related infographics at study-notes.org #linux #vpn #cybersecurity #infosec #privacy
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Learn Linux with Dan @dan-nanni.bsky.social · 12/09/2026
Most hardware works on Linux without much thought, until a device or driver starts causing problems. Here are the commands you will want for troubleshooting 😎👇 Find high-res pdf ebooks with all my Linux related infographics at study-notes.org #linux #devops #software #techtips #computer
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Learn Linux with Dan @dan-nanni.bsky.social · 11/09/2026
Here is how the key security services compare across AWS, Azure, and Google Cloud 😎👇 Find high-res pdf ebooks with all my cybersecurity related infographics at study-notes.org #devops #aws #cybersecurity #cloudsecurity #cloudengineer
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Learn Linux with Dan @dan-nanni.bsky.social · 10/09/2026
A quick visual guide to how access and trunk ports handle VLAN traffic differently and keep networks segmented 😎👇 Find high-res pdf books with all my networking related infographics at study-notes.org #networking #networkequipment #technology #datacenter #ethernet
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Learn Linux with Dan @dan-nanni.bsky.social · 09/09/2026
Linux users have plenty of office suites to choose from, but which one actually deserves a spot on your desktop? 😎👇 Find high-res pdf ebooks with all my Linux related infographics at study-notes.org #linux #opensource #software #productivity #officesuite
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Learn Linux with Dan @dan-nanni.bsky.social · 08/09/2026
A few find commands can save a lot of digging. Here are practical examples for finding files by name, size, time, permissions, ownership, and more 😎👇 Find high-res pdf ebooks with all my Linux related infographics at study-notes.org #linux #devops #software #techtips #dev
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Learn Linux with Dan @dan-nanni.bsky.social · 07/09/2026
From terminal classics to modern power tools, Linux has a file manager for just about every workflow. Which one is your favorite? 😎👇 Find high-res pdf ebooks with all my Linux related infographics at study-notes.org #linux #devops #software #techtips #computer
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Learn Linux with Dan @dan-nanni.bsky.social · 06/09/2026
A modern web app is more than frontend + backend. Here is the cloud native stack that connects the whole thing, from edge delivery and APIs to data, ML, and infrastructure 😎👇 Find pdf ebooks with all my #DevOps related infographics at study-notes.org #api #dev #techstack #technology
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Learn Linux with Dan @dan-nanni.bsky.social · 04/09/2026
SSH does a lot more than just log you into a remote server. Here are useful commands worth keeping in your toolbox 😎 👇 Find high-res pdf ebooks with all my cybersecurity related infographics at study-notes.org #cybersecurity #infosec #linux #devops #techtips
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Learn Linux with Dan @dan-nanni.bsky.social · 02/09/2026
Here is a visual guide to key AWS services organized across major categories 😎👇 Find high-res pdf ebooks with all my DevOps related infographics at study-notes.org #devops #aws #cloudcomputing #cloudengineer #technology
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Learn Linux with Dan @dan-nanni.bsky.social · 31/08/2026
Need a proxy? There is an open-source option for almost every job—from simple HTTP forwarding to SOCKS, arbitrary TCP/UDP proxying 😎👇 Find pdf ebooks with all my networking related infographics at study-notes.org #linux #opensource #devops #cybersecurity #technology
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Learn Linux with Dan @dan-nanni.bsky.social · 30/08/2026
Cybersecurity moves fast. These podcasts help you keep up with the threats, breaches, vulnerabilities, and tactics that matter 😎👇 Find high-res pdf ebooks with all my cybersecurity related infographics at study-notes.org #cybersecurity #infosec #itsecurity #technology #technews
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Learn Linux with Dan @dan-nanni.bsky.social · 29/08/2026
grep is one of those Linux commands you never really stop learning. Here are useful examples worth keeping handy 😎👇 Find high-res pdf ebooks with all my Linux related infographics at study-notes.org #linux #devops #software #techtips #sysadmin
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Learn Linux with Dan @dan-nanni.bsky.social · 28/08/2026
AAA is the backbone of access control—but can you clearly explain what Authentication, Authorization, and Accounting each actually do? 😎👇 Find high-res pdf ebooks with all my cybersecurity related infographics at study-notes.org #cybersecurity #infosec #itsecurity #technology #sysadmin
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Learn Linux with Dan @dan-nanni.bsky.social · 27/08/2026
Ever wondered what all those tiny symbols on a microSD card actually mean? Here is how to decode them at a glance 😎👇 Find high-res pdf books with all my technology related infographics from study-notes.org #sdcard #microsd #iot #technology #photography
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Learn Linux with Dan @dan-nanni.bsky.social · 26/08/2026
From power button to login screen, here’s what actually happens behind the scenes when a Linux system boots 😎👇 Find high-res pdf ebooks with all my Linux related infographics at study-notes.org #linux #operatingsystem #software #technology #computer
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Learn Linux with Dan @dan-nanni.bsky.social · 25/08/2026
Today marks Linux’s 35th birthday! 🎉🎂 35 years of milestones that took a hobby project from one developer’s announcement to the foundation of much of modern computing Here is a look at the milestones that shaped its remarkable journey 😎👇 #linux #software #technology #computer #opensource
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Learn Linux with Dan @dan-nanni.bsky.social · 24/08/2026
They all move network traffic, but the difference between how a hub, switch, and router handle it is fundamental to understanding networking 😎👇 Find high-res pdf books with all my networking related infographics from study-notes.org #ethernet #networking #technology #networkengineer #datacenter
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Learn Linux with Dan @dan-nanni.bsky.social · 23/08/2026
Offensive cybersecurity isn’t about knowing one powerful tool. It’s about knowing which tool fits the task in front of you. Here are some of the best tools available on #Linux 😎👇 Find pdf ebooks with all my #cybersecurity related infographics at study-notes.org #pentesting #ethicalhacker
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Learn Linux with Dan @dan-nanni.bsky.social · 22/08/2026
The Linux filesystem can look like alphabet soup at first. Here is a visual map of what lives where and why 😎👇 Find high-res pdf ebooks with all my Linux related infographics at study-notes.org #linux #devops #software #sysadmin #computer
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Learn Linux with Dan @dan-nanni.bsky.social · 21/08/2026
Your terminal can do a lot more than run commands. Here is a toolbox of useful TUI Linux software worth knowing 😎👇 Find high-res pdf ebooks with all my Linux related infographics at study-notes.org #linux #devops #software #technology #computer
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Learn Linux with Dan @dan-nanni.bsky.social · 20/08/2026
Your home network is only as secure as its weakest device. Here are practical ways to lock down everything from your router and laptop to IoT devices 😎👇 Find high-res pdf ebooks with all my cybersecurity related infographics at study-notes.org #cybersecurity #techtips #technology #laptop #iot
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Learn Linux with Dan @dan-nanni.bsky.social · 19/08/2026
#Kubernetes comes with a language of its own. Here is a cheat sheet for the core concepts and components you’ll encounter when building, running, and managing clusters 😎👇 Find a high-res pdf book with all my #DevOps related infographics from study-notes.org #techstack #technology #k8s
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Learn Linux with Dan @dan-nanni.bsky.social · 18/08/2026
Here are some of the best free packet sniffers and the OS they support 😎👇 Find high-res pdf ebooks with all my cybersecurity related infographics at study-notes.org #cybersecurity #infosec #pentesting #ethicalhacker #networkengineer
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Learn Linux with Dan @dan-nanni.bsky.social · 17/08/2026
Deleting files on Linux can be simple—or dangerously powerful; here are the commands worth knowing before you hit Enter 😎👇 Find high-res pdf ebooks with all my Linux related infographics at study-notes.org #linux #devops #software #upskill #technology
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Learn Linux with Dan @dan-nanni.bsky.social · 16/08/2026
The networking hardware market is bigger than switches and routers. Here is how the major public companies stack up by market cap 😎👇 Find high-res pdf books with all my networking related infographics at study-notes.org #networking #networkequipment #technology #datacenter #ethernet
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Learn Linux with Dan @dan-nanni.bsky.social · 15/08/2026
Managing disks on Linux goes way beyond df. Here are the useful commands for partitions, disk health, I/O, filesystems, and more 😎👇 Find high-res pdf ebooks with all my Linux related infographics at study-notes.org #linux #devops #software #sysadmin #technology
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Learn Linux with Dan @dan-nanni.bsky.social · 15/08/2026
Finding your location goes far beyond GPS—from satellites and cell towers to Wi-Fi, Bluetooth, cameras, and motion sensors 😎👇 Find pdf ebooks with all my cybersecurity related infographics at study-notes.org #cybersecurity #technology #privacy #wifi #gps
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Learn Linux with Dan @dan-nanni.bsky.social · 13/08/2026
A bootable USB can be a lifesaver when your system won’t boot, needs a fresh install, or requires some serious rescue work. Here are useful #software for creating bootable #USB drives 😎👇 Find pdf ebooks with all my #technology related infographics at study-notes.org #linux #windows #macos
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Learn Linux with Dan @dan-nanni.bsky.social · 12/08/2026
Need a free API for your next project? This cheat sheet covers useful options for everything from weather and maps to #AI, security, finance, public data, and more 😎👇 Find a pdf book with all my DevOps related infographics from study-notes.org #dev #devops #techstack #technology #tech
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Learn Linux with Dan @dan-nanni.bsky.social · 11/08/2026
Build your cybersecurity skills for free with these courses and training resources from leading universities, platforms, and security organizations 😎👇 Find high-res pdf ebooks with all my cybersecurity related infographics at study-notes.org #cybersecurity #infosec #upskill #technology #techjobs
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Learn Linux with Dan @dan-nanni.bsky.social · 10/08/2026
Whether you are a sysadmin, pentester, or network engineer, these Nmap commands are worth keeping close at hand 😎👇 Find high-res pdf ebooks with all my cybersecurity related infographics at study-notes.org #cybersecurity #sysadmin #infosec #networkengineer #linux
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Learn Linux with Dan @dan-nanni.bsky.social · 09/08/2026
RAID isn’t just about redundancy—each RAID level makes a different tradeoff between performance, capacity, and fault tolerance 😎👇 Find high-res pdf ebooks with all my Linux related infographics at study-notes.org #linux #devops #software #sysadmin #technology
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