today's howtos
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How to use wall command in linux - Unixcop
wall is (an abbreviation of write to all) is a Unix command-line utility that displays the contents of a computer file or standard input to all logged-in users. It is used by root to send out shutting down message to all users just before poweroff.
It displays a message on the terminals of all logged-in users. The messages can_be either typed on the terminal or the contents of a file.
Also usually, system administrators send messages to announce maintenance and ask users to log out and close all open programs.The messages ‘re shown to all logged in users with a terminal open.
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Any Port in a Storm: Ports and Security, Part 1
When IT and Security professionals talk about port numbers, we’re referring to the TCP and UDP port numbers a service is running on that are waiting to accept connections. But what exactly is a port?
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Book Review: Data Science at the Command Line By Jeroen Janssens
Data Science at the Command Line: Obtain, Scrub, Explore, and Model Data with Unix Power Tools written by Jeroen Janssens is the second edition of the series “Data Science at the Command Line”. This book demonstrates how the flexibility of the command line can help you become a more efficient and productive data scientist. You will learn how to combine small yet powerful command-line tools to quickly obtain, scrub, explore, and model your data. To get you started, author Jeroen Janssens provides a Docker image packed with over 80 tools–useful whether you work with Windows, macOS, or Linux.
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How to Take a Typing Test on Linux With tt
In the modern era of technology, typing has become one of the most common activities for a lot of professions. Learning to type faster with accuracy can help you get more things done in the same amount of time.
However, touch typing is not a skill that you can master overnight. It takes regular practice and testing to improve your speed and accuracy gradually. While there are a lot of websites that help you achieve this, all you essentially need on Linux is a terminal. Let's see how.
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FIX: Google Chrome doesn’t work on Kali linux
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How to install OpenToonz on a Chromebook
Today we are looking at how to install OpenToonz on a Chromebook. Please follow the video/audio guide as a tutorial where we explain the process step by step and use the commands below.
If you have any questions, please contact us via a YouTube comment and we would be happy to assist you!
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Dilution and Misuse of the "Linux" Brand
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