Tutorials Archives - Geeker's Digest

Tutorials

Developer Tools Edit and Resend

Tutorials

How to modify Headers in Developer Tools "Edit and Resend"

When debugging web sites and HTTP errors, the Firefox browser offers the so-called Developer Tools. ...

By Claudio Kuenzler

April 25, 2025

rename a mdadm raid array

Tutorials

How to rename mdadm raid device md127 to something else

A foreign configured raid array is auto-detected by Linux and is named md127 by default. ...

By Claudio Kuenzler

April 17, 2025

AI generated action figure picture

Tutorials

How to create the LinkedIn trending AI action figure of yourself

In the last couple of days, LinkedIn feeds are filled with so-called action figures of ...

By Claudio Kuenzler

April 8, 2025

CSM disabled in BIOS

Tutorials

Why CSM (Compatibility Support) boot option remains disabled in BIOS

Newer motherboards have secure boot enabled and only allow to boot from drives with an ...

By Claudio Kuenzler

April 2, 2025

Extract files and directories from a Docker Container Image

Tutorials

How to unpack a Docker container image and extract files

When starting a Docker container, this uses a so-called "Docker Image" in the background. These ...

By Claudio Kuenzler

March 27, 2025

Debian

Tutorials

How to remove multiple Debian packages with wildcard

Debian and Debian-based Linux distributions (such as Ubuntu, Linux Mint and more) use APT as ...

By Claudio Kuenzler

February 8, 2025

running ssh command with sudo on remote server

Tutorials

How to use sudo inside SSH command

Executing commands directly with SSH (without having to log in) is very easy. Just append ...

By Claudio Kuenzler

February 5, 2025

Signal on Linux Desktop

Tutorials

How to install Signal on Linux Desktop

Signal is a free and independent messaging and communication software. It can be installed across ...

By Claudio Kuenzler

February 2, 2025

Rasbperry Pi audio output via monitor to soundbar

Tutorials

How to improve audio output (volume) from Raspberry Pi

When you use a Raspberry Pi, you might notice that the audio output is very ...

By Claudio Kuenzler

January 26, 2025

Internet Speed Test

Tutorials

How to measure LAN and WAN speed on OpenWRT router

When you want to test the speed of your Internet, there are a couple of ...

By Claudio Kuenzler

January 23, 2025

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