What Is SD-WAN? A Simple Beginner’s Guide to Software-Defined Networking
Imagine a company with offices in three different cities. Employees in each office need to access the same applications, communicate with each other, and share...
How to Reset the Linux Root Password Using GRUB Without Reinstalling Linux
Have you ever forgotten the root password on a Linux server and wondered whether you need to reinstall the operating system? Fortunately, you don’t. Linux...
Make Your Linux Terminal Better with eza
The ls command is one of the most frequently used tools in Linux. It helps users list files and directories, but what if you could...
Protocol Explorer: Learn How Network Protocols Work Through Interactive Animations
Understanding how data travels across a network can be challenging, especially for beginners learning networking, TCP/IP, and network troubleshooting. Protocol Explorer offers an interesting way...
SSHole (CVE-2026-123158): Critical OpenSSH Vulnerability Allows Passwordless Access to Linux Servers
A newly disclosed vulnerability in OpenSSH is raising concerns among Linux administrators and cybersecurity professionals. Named SSHole (CVE-2026-123158), the security flaw allows remote attackers to...
LiberNT: An Open-Source Alternative to Windows and Linux
What if you could run Windows applications without installing Windows, or use Linux applications without running a Linux distribution? That’s the idea behind LiberNT, an...
CVE-2026-109518: Critical APT Vulnerability Allows Attackers to Execute Commands as Root on Debian and Ubuntu
A newly disclosed security vulnerability in APT, the package manager used by Debian and Ubuntu, could allow attackers to install malicious software and execute commands...
Linux Kernel vs Filesystem: What’s the Difference and Why Does Linux Need Both?
When learning Linux, two important concepts often create confusion: the Linux Kernel and the Filesystem. They work together, but they have different responsibilities. Understanding the...
Linux Tip: How to Find the Process Consuming the Most Memory on Your Server
total used free shared buff/cache availableMem: 16Gi 9.2Gi 1.1Gi 450Mi 5.7Gi 6.1GiSwap: 2.0Gi 256Mi 1.7Gi Here’s what the columns mean: Important: Linux uses available RAM...
Binance Hacked: $6.3 Billion Stolen in Massive Cyberattack – North Korean Hackers Suspected
The cryptocurrency industry is facing one of its biggest security crises after Binance, the world’s largest cryptocurrency exchange, suffered a massive cyberattack on October 29,...