Dan Nanni

Here are different types of spoofing attacks across OSI layers 😎👇 Find high-res pdf ebooks with all my cybersecurity infographics at study-notes.org #cybersecurity #infosec #pentesting #informationsecurity #ethicalhacker

Browser extensions can do a lot of security work while you browse: blocking malicious ads, managing passwords, limiting risky scripts, and warning you of #phishing pages 😎👇 Find pdf ebooks with all my #cybersecurity infographics at study-notes.org #privacy M

On Linux, /etc is basically where system-wide configs live — both core system settings and app-specific configs 😎👇 Find high-res pdf ebooks with all my #Linux related infographics at study-notes.org #softwaredeveloper #sysadmin #devops #software

In offensive security, OS fingerprinting lets attackers line up exploits that actually fit the target instead of guessing. Here are free OS fingerprinting tools 😎👇 Find pdf ebooks with all my #cybersecurity infographics at study-notes.org #pentesting #infosec

In this update in my #networking infographic pack and ebook, I added four new topics. If you already bought it, use the same download link to get the latest version 😎 Find high-res pdf ebooks with all my networking related infographics at study-notes.org/networking-ebo…

Here is a quick breakdown of what each HTTP response code means and when you will actually see it 😎👇 Find high-res pdf ebooks with all my #DevOps related infographics from study-notes.org/devops-infogra… #softwareengineer #webhosting #webdevelopment #webdeveloper

Here is a quick breakdown of 2025 CVE categories 😎👇 Find high-res pdf ebooks with all my cybersecurity related infographics at study-notes.org/cybersecurity-… #cybersecurity #infosec #technology #informationsecurity #cve

Here is a handy DNS benchmark tool you can try for quick DNS speed test 😎👇 Find high-res pdf ebooks with all my networking infographics at study-notes.org/networking-ebo… #dns #networking #networkengineer #technology #techtips

New update in my Linux infographics pack and #ebook is out. If you already bought my Linux infographic pack or ebook, these are exclusively available to you for free 😎 Find pdf ebooks with all my #Linux related infographics at study-notes.org/linux-ebook.ht… #devops #technology

Here are a list of firewall management tools available on Linux 😎👇 Find high-res pdf ebooks with all my cybersecurity related infographics at study-notes.org/cybersecurity-… #linux #infosec #homelab #cybersecurity #networksecurity

Linux has two simple ways for programs to pass data. Here is a quick comparison between anonymous and named pipes 😎👇 Find high-res pdf ebooks with all my #Linux related infographics at study-notes.org/linux-ebook.ht… #kalilinux #sysadmin #software #devops

A URL is the structured address you use to reach something on the web—built from pieces like the protocol, domain, and path 😎👇 Find high-res pdf books with all my #networking related infographics at study-notes.org #webdevelopment #devops #frontend #webservice

As a network engineer, understanding how the #IPv6 header differs from IPv4 is key to performance and transition Here is a comparison of IPv4 and IPv6 header formats 😎👇 Find pdf books with all my #networking related infographics at study-notes.org #networkengineer

Markdown editors are text tools that let you format content fast using plain syntax—widely used as a de facto language for structuring #AI prompts and output 😎👇 Find pdf books with all my #DevOps related infographics at study-notes.org/devops-ebook.h… #coding #techjobs

The AI/ML software stack is a layered toolkit that covers the full AI/ML workflow 😎👇 Find high-res pdf ebooks with all my #technology related infographics at study-notes.org/technology-inf… #machinelearning #machinelearningtools #ai #deeplearning #softwarestack

Power plugs aren’t universal—each region uses its own shape, size, and grounding standard to match its electrical system 😎👇 Find pdf ebooks with all my #technology related infographics from study-notes.org/technology-inf… #tech #engineering #electronics #gadgets

Managed switches give you full control—monitor traffic, optimize performance, and enforce security 😎👇 Find high-res pdf ebooks with all my #networking related infographics at study-notes.org/networking-ebo… #datacenter #cloudengineer #networkequipment #technology #networkengineer

nmcli is a CLI tool that lets you create and manage connections, check status & run basic network diagnostics right from the terminal Here are useful nmcli command examples 😎👇 Find pdf ebooks with all my #Linux related infographics at study-notes.org/linux-ebook.ht… #sysadmin

Big-O shows how an #algorithm scales as input grows — not exact time, but how fast things get expensive. Here are examples across common complexity levels 😎👇 Find pdf ebooks with all my #technology related infographics from study-notes.org/technology-ebo… #computerscience #coding

Layered security architecture is about not relying on a single defense. It stacks protection across your network, endpoints, apps, and users 😎👇 Find pdf ebooks with all my #cybersecurity related infographics at study-notes.org/cybersecurity-… #infosec #informationsecurity