Category: Linux

How to Make Apps Start at Center in Ubuntu 24.04

In Ubuntu desktop, most app windows by default start at top-left of screen. It’s quite annoying, since you have to move app window before it’s ready for use.

So, in this tutorial I’m going to show you how to tweak you desktop, to make it start app window at screen center automatically.

Source: How to Make Apps Start at Center in Ubuntu 24.04 | UbuntuHandbook

Easy, quick and free valid SSL certificates for your HomeLab (or other local web servers) using DuckDNS and ACME DNS-01

This video and the accompanying article explain how to set up easy SSL certificates in a HomeLab environment using DNS-01 validation.  This method should also work for other types of locally-hosted services (in other words, servers on your local network that have a web interface, but that aren’t exposed to the Internet).  The problem is that obtaining SSL certificates for internal HomeLab services can be challenging, especially when you don’t have a public IP or don’t want to expose your services to the internet.  The video and article demonstrate how to use DNS-01 validation to obtain SSL certificates from Let’s Encrypt using your internal DNS server. This approach eliminates the need for a public IP or exposing services to the internet.

Article: Easy, quick and free valid SSL certificates for your homelab using DuckDNS and ACME DNS-01 (Wolfgang’s Blog)

Do you experience unexplained crashes or freeze-ups on your Ubuntu (or other) Linux based home theater PC or gaming system? Here is a possible fix!

After installing Ubuntu 22.04, Kodi on a home theater PC would frequently freeze. This issue, applicable to various Linux distros, can be resolved…

Source: Do you experience unexplained crashes or freeze-ups on your Ubuntu (or other) Linux based home theater PC or gaming system? Here is a possible fix! – Two “Sort Of” Tech Guys

Simple fix on KDE wayland for windows to remember their last position

Thanks to /u/azvasKvklenko@sh.itjust.works for mentioning KDE window rules. In KDE, we can add rules for windows so that they behave in specific ways. One rule that can be added is the position: remember rule…

Source: Simple fix on KDE wayland for windows to remember their last position (PieFed)

How to Install/Remove Flatpak (.flatpakref) in Ubuntu 24.04

This is a step by step beginner’s guide shows how to install (or uninstall) Flatpak App Package, including local .flatpakref file, in Ubuntu 24.04.

Source: How to Install/Remove Flatpak (.flatpakref) in Ubuntu 24.04 | UbuntuHandbook

The Shell Scripting Guide: From Basics to Advanced Concepts

This guide covers foundational principles and swiftly transition into advanced features, ensuring a deep understanding of the subject. We also address common challenges in the ‘Troubleshooting’ chapter, helping you navigate any hiccups along the way. Finally, we will explore how shell scripts interact and integrate with third-party tools.

Source: The Shell Scripting Guide: From Basics to Advanced Concepts (Squash)

How to Install GNOME Shell Extensions on Ubuntu and Other Linux Distros

Discover a step-by-step guide to setup GNOME shell extensions on Ubuntu and other Linux distros, and later install your favorite GNOME extensions.

Source: How to Install GNOME Shell Extensions on Ubuntu and Other Linux Distros (Ubuntu Shell)

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