If you’ve just started exploring Linux, you’ve probably run into a bunch of folders with weird names like /etc, /var, or /usr. At first glance, it might look confusing — even intimidating — but once you understand the structure, it all starts to make...
Imagine this… All your apps your browser, your code editor, your music player are fighting over your CPU, memory, and disk at the same time, no rules, no separation, just pure chaos !😵💫 ->That’s exactly what would happen if there was no operat...
Welcome to the first article of the series Nerdanel’s Toolbox! In this article, I will share my experience of building a Debian 12 virtual machine using Hyper-V on Windows 11. First, we will learn about Hyper-V. After understanding the requirements f...
First make sure libvirtd is installed: sudo apt-get update sudo apt-get upgrade sudo apt-get install qemu-kvm libvirt-daemon-system libvirt-clients virtinst cpu-checker libguestfs-tools libosinfo-bin sudo apt-get remove dnsmasq-base sudo virsh net-au...
If you’re running Debian as a VM (Virtual Machine) inside VMware, installing VMware Guest Tools is essential for better performance, seamless clipboard sharing, time synchronization, and improved networking. Instead of using the old proprietary VMwar...
1️⃣ Check All Active and Inactive Services systemctl list-units --type=service --all 🔹 This shows all services, whether active, inactive, or failed. 2️⃣ Check All Active Timers systemctl list-timers --all 🔹 This displays all systemd timers, incl...
To create a systemd service that runs /usr/local/sbin/custom-reboot.sh once, exactly 3 minutes after boot, follow these steps: Step 1: Create the Systemd Service File Open a terminal and create a new systemd service file: sudo nano /etc/systemd/syst...
If you're running Debian and need the latest version of Node.js, npm, and PM2, the best way is to use NodeSource’s setup script. NodeSource maintains up-to-date versions of Node.js, which are newer than what Debian’s package manager provides. Step 1...
Open-source firewalls have gained significant traction in networking due to their flexibility, cost-effectiveness, and strong security features. Among the most popular solutions are pfSense, OPNsense, OpenWrt, and a plain vanilla Debian setup using n...
This guide walks you through installing an SSL certificate purchased from Namecheap on an Apache2 server running Debian or Ubuntu. Step 1: Download Your SSL Certificate After reissuing your certificate on Namecheap, you will receive a ZIP file contai...
