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.
Steven Vona
Find Command – Search for files on the Linux Command Line
Everything you will ever need to know about the Linux find command. From it’s basic syntax to executing commands on matching files from the command line.
Checksum – File Integrity Check on Linux Command Line
Using a checksum to do a file integrity check on the Linux command Line. We explain how to use the checksum commands provided by the GNU Core Utilities.
Timeout Command – Stop Command After X Seconds
Using the Linux timeout command to stop commands after a specified amount of time. Learn how to send specific signals and preserve exit status of commands.
Using the Bash case Statement in Shell Scripting
Learn to use the Bash case statement to conditionally execute commands based on pattern matching, it’s different clause terminators and explore examples.
Paste Command – Merge Files on the Linux Command Line
How to use the Linux paste command to sequentially merge two files on the command line. Learn all the basic options with examples.
df Command – Check Disk Space Information on Command Line
Using the df command to get disk space utilization on a Linux machine. How to get size, utilization and other information about your filesystems.
Bash – Using Control Operators
Using Bash Command Lists to incorporate order and logic. Run Linux commands asynchronously or sequentially and how to use the AND and OR controls operators.
Read Command – Prompt User for Input in Bash Scripts
An in-depth look at the Linux read command. Learn how to use the read command and it’s options and how to incorporate it into your bash scripts.
Bash Hash Table – Speeding Up the Command Execution
Learn about the bash builtin hash command and how to add, delete and list the command hash table and avoid gratuitous PATH searches.
File Command – Determine File Types on Linux Command Line
Learn how to use the Linux file command to analyze file types from the command line, format it’s output and see real world examples.
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