Blog

All blog posts by ltan.dev

12 July 2025

How I Successfully Signed Up for Oracle Cloud Free Tier After Multiple Failed Attempts

For the past few years, I tried to sign up for the Oracle Cloud Free Tier, but despite using the correct details, my registration attempts kept [...]

06 July 2025

Remove LibreOffice from Debian/Ubuntu based Desktop Installations

I already have LibreOffice installed on my host machine. When I run Linux Desktops on Virtual Machines, I like to remove them from the VM instances [...]

03 March 2025

Installing VirtualBox Guest Additions on Linux Mint 22.1 Cinnamon

VirtualBox Guest Additions provide better integration between your host and guest systems, including improved graphics, shared clipboard, and folder [...]

23 July 2024

Using pfSense As A CA For SSL Connections to AlmaLinux Cockpit

You can use your pfSense Certificate Authority (CA) to generate a certificate for AlmaLinux Cockpit by following these steps: Create a Server [...]

09 July 2024

Displaying a System Resource Widget on Debian GNOME

To display a widget showing system resources (CPU, RAM, etc.) on the upper right corner of your Debian GNOME desktop, you have several options. My [...]

06 July 2024

OpenSCAP Security Scanning Guide for AlmaLinux 9.4

This guide provides step-by-step instructions for installing, configuring, and running OpenSCAP security compliance scans on an AlmaLinux 9.4 server. [...]

26 March 2024

Sharing a 1TB USB Drive via Samba on Linux Mint Debian Edition in Proxmox

If you're looking for a fast and reliable way to share an external USB drive over your network, this guide walks you through a clean setup using [...]

06 February 2024

Essential Gnome Extensions (Apps Menu and Dash to Dock)

I always make sure to install these on every new Linux Desktop I use. I just find having a traditional Application Menu comforting. ## 1. Apps Menu [...]

01 February 2024

Messaging Protocols Supported by Artemis ActiveMQ

Apache ActiveMQ Artemis supports several messaging protocols, each with unique features and best-use scenarios. Below is a concise overview: 1. AMQP [...]

15 November 2023

Publish-Subscribe Messaging Pattern in Enterprise Messaging Systems (EMS)

In the context of Enterprise Messaging Systems (EMS), the Publish-Subscribe (Pub/Sub) model is a messaging pattern that enables asynchronous [...]