Steven Vona is a Linux administrator whose passion for technology extends beyond the day to day and into a love of teaching his skills to others. Steven is trained and certified in multiple technologies, including Microsoft Windows, Linux, VMWare and Cybersecurity, and has over 16 years of experience working in both the public and private sectors. Because Steven did not complete a traditional educational path, he is mostly self-taught and a strong believer in learning by experimentation. Steven began to teach himself programming at age 12 and ran a BBS in 1988; when teaching, he encourages others to try different solutions and learn from their mistakes and successes. Outside of technology, Steven is an animal lover and an avid photographer who enjoys exploring and photographing his native city, Philadelphia.
How to View or Make a Hidden File in Linux
How to make and view hidden files, often called dot files, in Linux. This quick tip shows you how to work with hidden files on the command line and GUI.
Trash-CLI Command Line Recycle Bin – Never Lose Another File
The trash-cli utility adds the trash can / recycle bin functionality to your command line. Learn how to use this neat utility and examples of it in use.
Banner Grabbing – Penetration Testing Basics
Learn how to gain information about a system using the banner grabbing technique executed via telnet. This is part of a penetration testing basics series.
5 Non-Technical Tips for the Linux Beginner
Sometimes your mind is the best tool. Here are five mental processes that can aid you in learning Linux. 5 non-technical tips for the Linux beginner.
Linux Cheat Sheets for Quick Access from the Command Line
Use the cheat utility to keep Linux cheat sheets handy on the command line. Personalize your cheat sheets by editing and creating them to suit your needs.
xguest – Guest Access / Kiosk Mode on a Linux System
Easily create a restricted user to allow guest access to your system or to create a Linux based kiosk. The xguest package makes this a snap!
Pushd and Popd – Working with the Directory Stack in Linux
Using pushd and popd to efficiently navigate the Linux file system. Learn how to work with the directory stack with the dirs, popd, and pushd commands.
Using systemd Path Units to Monitor Files and Directories
Use systemd path units to monitor files and directories and set service units to execute custom scripts when changes are observed.
wc Command – Count Output by Lines, Words, or Characters
The Linux wc command counts words, lines or characters in a file or standard input. Learn the basic usage of the wc command with real world examples.
How to Grep on a Variable or Grep a String From a Variable
Learn how to use grep to match strings or patterns inside of a variable. We will demonstrate several ways to grep strings from variables.