Dan Nanni

On Linux, the /var directory stores variable runtime data that keeps changing, such as logs, caches, spool files, and application state 😎👇 Find high-res pdf ebooks with all my #Linux related infographics at study-notes.org #sysadmin #software #softwareengineer

Here is a reference of Linux shell operators for redirecting, appending, and combining standard input, output, and error streams 😎👇 Find high-res pdf ebooks with all my #Linux related infographics at study-notes.org #sysadmin #infosec #devops #softwareengineer

Linux PAM is a modular system that lets apps handle user authentication and access control through configurable policies, without hardcoding the logic into each program 😎👇 Find pdf ebooks with all my #Linux related infographics at study-notes.org #cybersec #infosec

Modern high-speed #Ethernet relies on optical transceivers to carry data over fiber for long distances. Here are different types of optical transceivers 😎👇 Find pdf ebooks with all my #technology related infographics at study-notes.org #datacenter #networkengineer

Android uses a Linux based file system organized into several main areas 😎👇 Find high-res pdf ebooks with all my #technology related infographics at study-notes.org #android #androiddeveloper #cybersecurity #infosec

Modern terminals extend the classic command line with GPU rendering, modern interfaces, extensibility, and faster performance for everyday shell work 😎👇 Find pdf ebooks with all my #Linux related infographics at study-notes.org #technology #macos #windows #software

Spanning Tree Protocol (STP) is a network protocol that prevents loops in #Ethernet networks by automatically detecting and blocking redundant links 😎👇 Find pdf ebooks with all my #network related infographics at study-notes.org #networkequipment #networkengineer

Here are useful Linux commands for querying hardware information such as hardware vendor, model name or configurations 😎👇 Find high-res pdf ebooks with all my Linux related infographics at study-notes.org #linux #technology #computerhardware #computer #software

Podman and Docker are two major container engines that manage and run containers 😎👇 Find high-res pdf ebooks with all my DevOps related infographics at study-notes.org #devops #docker #kubernetes #backend #softwaredeveloper

SSDs come in various shapes and interfaces, each designed for different performance needs, physical constraints and connection types 😎👇 Find pdf ebooks with all my #hardware related infographics at study-notes.org #ssd #technology #computerhardware #computer

Ever wish you could just run a command and keep seeing it update automatically as things change? That is exactly what the watch command does on Linux 😎👇 Find high-res pdf ebooks with all my #Linux related infographics at study-notes.org #sysadmin #devops

Here are a list of backup software available on Linux 😎👇 Find high-res pdf ebooks with all my Linux related infographics at study-notes.org #linux #technology #datastorage #backup #sysadmin #opensource

Linux provides special permissions like SUID, SGID, and the Sticky Bit that modify execution behavior and controlling file deletion in shared directories 😎👇 Find pdf ebooks with all my #Linux related infographics at study-notes.org #cybersecurity #infosec

Your location can be inferred from many signals around you—GPS, Wi Fi networks, Bluetooth beacons, cellular towers, and device sensors 😎👇 Find pdf ebooks with all my #cybersecurity related infographics at study-notes.org #privacy #onlineprivacy #dataprivacy

Markdown is everywhere these days—README files, docs, notes, etc. Glow lets you read those Markdown files right there in your terminal 😎👇 Find pdf ebooks with all my #technology related infographics at study-notes.org #opensource #productivity #linux #macos

Signals offer a lightweight mechanism for the Linux kernel and processes to asynchronously notify a running process about events such as faults, user interrupts, or system conditions 😎👇 Find pdf ebooks with all my #Linux related infographics at study-notes.org #

An SSH reverse tunnel is commonly used to expose a service on a machine behind NAT or a firewall to the outside network 😎👇 Find high-res pdf ebooks with all my Linux related infographics at study-notes.org #linux #cybersecurity #infosec #ethicalhacker #sysadmin

On Linux, every file has rules. Who can read, modify & execute it. Since Linux treats almost everything as a file, those three permission bits quietly control your entire system 😎👇 Find pdf ebooks with all my #Linux related infographics at study-notes.org

Here are different types of machine learning algorithms 😎👇 Find pdf ebooks with all my #technology related infographics at study-notes.org #machinelearning #ai #aitools #deeplearning #datascience

TUIOS is a slick terminal-based window manager that lets you juggle multiple terminal sessions with a clean, modern interface—no desktop required 😎👇 Find pdf ebooks with all my #Linux related infographics at study-notes.org #productivity #opensource #software