Your cart is currently empty!
Managing user accounts is a core task for any Linux system administrator. Whether you’re setting up a shared server, managing student logins in a lab, or configuring access for a development team, knowing how to create multiple users efficiently — and set unique passwords for each — is essential. Here’s how to get it done,…
If you’re getting hit with su: Authentication failure or sudo: Permission denied in Ubuntu, it means your user doesn’t have the rights it needs — and Ubuntu’s security model is doing its job a little too well. Don’t worry — this is fixable. Let’s break down what’s happening and how to get your permissions back…
If you’re building a PowerPoint presentation that’s more than a few slides long, adding a Table of Contents (TOC) can make it more professional and easier to navigate. Unlike Word, PowerPoint doesn’t have a built-in feature for this—but creating a TOC manually is quick and simple. Here’s how to do it step-by-step. Step 1: Plan…
Microsoft’s strict Windows 11 hardware requirements left a lot of perfectly good PCs behind. If your older device didn’t make the cut, don’t toss it—breathe new life into it with ChromeOS Flex, Google’s lightweight, cloud-focused operating system designed to run fast on old hardware. Here’s how to install ChromeOS Flex and give your unsupported Windows…
Microsoft usually requires you to join the Insider Program to access Windows 11 Insider Preview ISOs—but there’s a workaround. Whether you’re a developer, tester, or just curious, here’s how to get the latest Windows 11 Insider ISO without signing up for anything extra. ⚠️ Quick Disclaimer These ISOs are Microsoft’s own files. This method just…
If Chrome feels like it’s dragging, don’t rush to switch browsers just yet. Google Chrome has a hidden menu called Flags where you can tweak experimental features to boost speed, smoothness, and overall performance. These aren’t official settings, so use them with a little caution—but if you know what to change, the payoff can be…
Let’s face it—our brains weren’t built to juggle dozens of tasks, appointments, and goals all day long. That’s where Google Reminders come in. They’re simple, free, and synced across your devices. If you’ve ever thought, “I need to remember this later,” here’s how to actually make that happen with Google Reminders. What Are Google Reminders?…
Facebook is still one of the biggest platforms out there, but that doesn’t mean it always works the way it should. Whether you’re using it for business or just trying to stay connected, running into technical issues can be frustrating. Below are three of the most common Facebook problems people face — and how to…
Creating a dependent drop-down list in Google Sheets is a powerful way to guide users through clean, logical data entry. It’s perfect for forms, invoices, schedules—anything where one choice affects the next. In this quick guide, I’ll show you how to build one step-by-step. What Is a Dependent Drop-Down? A dependent drop-down list changes based…
Spotify Codes are like QR codes for music—quick, scannable links to songs, albums, playlists, profiles, and podcasts. Instead of copying and pasting links, you can just point your phone at a code and boom—music starts playing. Whether you’re sharing your latest playlist or discovering a new artist, Spotify Codes make it faster and cooler. Here’s…
