Command Line

How my easy, home-made backup program saves time, space on the storage medium, and network bandwidth Extedrnal-HDD

How my easy, home-made backup program saves time, space on the storage medium, and network bandwidth

David Both June 19, 2024

Nothing can ever go wrong with my computer and I will never lose my data. Riiiiight. This article...

Intro to the Linux useradd command OSDC_Penguin_Image_520x292_12324207_0714_mm_v1a-Cropped

Intro to the Linux useradd command

Alan Formy-Duval June 18, 2024

Adding a user is one of the most fundamental exercises on any computer system; this article focuses...

Play a fun math game with Linux commands The Bash logo

Play a fun math game with Linux commands

Jim Hall June 17, 2024

Use these commands to generate random numbers for a fun math quiz game.

Using the command line calendar and date functions in Linux Rows of old fashioned alarm clocks.

Using the command line calendar and date functions in Linux

Don Watkins June 12, 2024

have always been interested in historical dates and determining the actual day of the week an...

6 Linux metacharacters I love to use on the command line linux_keyboard_desktop

6 Linux metacharacters I love to use on the command line

Don Watkins June 11, 2024

Using metacharacters on the Linux command line is a great way to enhance productivity. Early in my Linux...

Using ‘awk’ to filter text Network components

Using ‘awk’ to filter text

Jim Hall June 3, 2024

Here’s how to use awk to strip out sample code from a Markdown file.

Use ‘grep’ to solve a 2-dimensional word puzzle puzzle_computer_solve_fix_tool

Use ‘grep’ to solve a 2-dimensional word puzzle

Jim Hall May 26, 2024

Regular expressions match patterns and help you solve problems.

Using ‘grep’ to play a word game The Bash logo

Using ‘grep’ to play a word game

Jim Hall May 13, 2024

You can use regular expressions to match letters and patterns, to help you play a letter game.

Regular Expressions #4: Pulling it all together Socket Wrench and sockets

Regular Expressions #4: Pulling it all together

David Both May 10, 2024

This series delves into the practical applications of regular expressions within Linux tools such as grep, sed,...

Regular Expressions #3: grep — Data flow and building blocks building_blocks

Regular Expressions #3: grep — Data flow and building blocks

David Both May 9, 2024

In Regular Expressions #1: Introduction, I covered what they are and why they’re useful. In Regular...

Regular Expressions #2: An example Starting_Line

Regular Expressions #2: An example

David Both May 6, 2024

In the previous article, Regular Expressions #1: Introduction, I covered what they are and why they’re useful....

Regular Expressions #1: Introduction fiber-81623-e1692192333302-Pixabay-Cropped

Regular Expressions #1: Introduction

David Both May 4, 2024

Regular expressions don't have to invoke anxiety and fear, although they do for many of us. The...

Seven Linux commands just for fun ASCII drawing of a steam locomotive.

Seven Linux commands just for fun

Don Watkins April 28, 2024

Linux was developed by fun-loving people who created an array of fun and even comical commands. Try...

How to use udev Image of computer peripherals and devices on a desk

How to use udev

Seth Kenlon April 18, 2024

Udev is flexible but complex. Learn how to use udev so you can customize how Linux recognizes...

Use lspci on Linux to see your hardware Closeup of the inside of a computer with the motherboard and a large CPU air-cooling system.

Use lspci on Linux to see your hardware

Alan Formy-Duval April 17, 2024

Sometimes you need to identify the hardware in a system. One command used for this is lspci.

Tweak your system performance with ‘noatime’ car-penguin-drive-linux-yellow

Tweak your system performance with ‘noatime’

Jim Hall April 11, 2024

Turn off “access time” to make a slight but noticeable improvement on system performance.

How my easy, home-made backup program saves time, space on the storage medium, and network bandwidth

Intro to the Linux useradd command

Play a fun math game with Linux commands

Using the command line calendar and date functions in Linux

6 Linux metacharacters I love to use on the command line

Using ‘awk’ to filter text

Use ‘grep’ to solve a 2-dimensional word puzzle

Using ‘grep’ to play a word game

Regular Expressions #4: Pulling it all together

Regular Expressions #3: grep — Data flow and building blocks

Regular Expressions #2: An example

Regular Expressions #1: Introduction

Seven Linux commands just for fun

How to use udev

Use lspci on Linux to see your hardware

Tweak your system performance with ‘noatime’

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