An Ubuntu repository tutorial can stop before it adds a source if the terminal cannot find add-apt-repository. add-apt-repository is Ubuntu’s helper for adding or removing a software source. I’ll show you how to install the package that supplies the helper and check whether your shell can find it. TL;DR: Fix the Missing Repository Command Install
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You may have a sensor reading and want to see it or act on it. An IoT Raspberry Pi project connects a physical device or sensor to a network, where its readings can be stored, viewed or used to trigger an action. I’ll walk through Raspberry Pi IoT project ideas and show how to plan
IoT Raspberry Pi Projects to Build at Home Read More »
Choosing a Linux desktop means weighing ready-made software against control over defaults and the project behind the system. Nobara is an independent Linux desktop distribution that uses Fedora technology and comes with gaming and creator-focused defaults. This article compares Nobara with Fedora and helps you choose an edition for your desktop. TL;DR: Is Nobara Linux
Nobara Linux: A Superior Alternative to Fedora? Read More »
OpenToonz Linux support comes from community packages because the upstream project ships no official Linux binary. That means your install method decides which version you get. OpenToonz 1.8.0 arrived on 19 June 2026 as the first stable release in about three years. This guide covers Flatpak, an AppImage, Snap and a source build. It also
How to install OpenToonz Linux (Flatpak, AppImage, Snap and source) Read More »
Testing an application on Ubuntu can involve sending a message from one program and reading it in another. Apache Kafka stores messages from applications for other applications to read later. I’ll show you how to download and install Kafka on Ubuntu, then check that a consumer can read a test message. TL;DR Download Kafka from
Kafka Download and Install on Ubuntu Read More »
Getting a chat app onto Linux means using a package that works with your distribution. Element is an open-source desktop client for Matrix, an open communication network where people message and join rooms. I’ll show you how to install Element and select the homeserver that matches your Matrix account. TL;DR Element Desktop for Linux has
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Preparing a Linux machine for monitoring means setting up a way for the monitoring system to request its status. SNMP lets a monitoring manager make those requests through an agent running on the host. This article explains what the Linux agent does and shows how to install and configure it for read-only queries on Debian
SNMP Linux: Install and Configure the Agent Read More »
You have a message to send from an Ubuntu terminal, along with a file to attach. GNU Mailutils is a command-line mail client that can send a message with a file attached. I’ll show you how to check the attachment option available on your system and send an email with a file attached. TL;DR With
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An older computer can still be useful, but choosing a Linux desktop for it means checking what each option asks of the hardware. Lubuntu and Linux Lite are Ubuntu-based distributions, and comparing their published requirements and desktop choices helps you decide which fits. The article compares their hardware and desktop trade-offs, then explains the release
Lubuntu vs Linux Lite: Which Should You Choose? Read More »
A remote-support session on Linux starts with choosing a tool that can connect one computer to another. RustDesk is an open-source remote desktop client that lets you control another device through its public servers or a server you run yourself. I’ll show you how to connect to another device with RustDesk on Linux and explain
RustDesk: TeamViewer Alternative for Linux Read More »