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LFCS – How to Recover ROOT Password

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There are many reasons why a Root password may be lost or forgotten. In business settings it may be as simple as the administrator no longer works for the company.

The LFCS exam deals with...

Video - Copying, Moving and Deleting files/directories in Linux

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This video goes through copying, moving and deleting files and directories in Linux. This is a video from my series of chapters in my book "Essential Linux Command Line"...

Video - Linux File Permissions (chmod and chown)

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The following video shows you how to use chmod and chown to change up file permissions. It also goes over the various settings you can apply to files with chmod...

Use an SSH key to log into a remote server

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When you ssh into a remote server, the safest way is to use an ssh key. This video shows you how to create the key, explains the files created by the ssh-keygen command, and shows you how to copy...

GRUB Themes

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When I wrote my last article on Grub Configuration I found a lot of people wanting to use GRUB Themes. Many people said it was too complicated so I will try to cover a basic theme to get you...

Raspberry Pi 4 Review and Benchmarks

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For those who haven’t heard, the newest version of the Raspberry Pi (RPi) has been released. Technically it is the Raspberry Pi 4 Model B (RPi4). The Raspberry Pi 4 is a 64-bit single board...

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