A newly discovered toolkit called DKnife has been used since 2019 to hijack traffic at the edge-device level and deliver ...

Yes, Virt-Manager does have a slightly steeper learning curve than VirtualBox. (I'll write an article soon on how to create a VM with Virt-Manager.) However, the reward for getting up to speed is a ...

Complete tload command guide for Linux. Monitor CPU load average with live ASCII graphs. Installation, usage examples, and ...

The bootable rescue environment I reach for when systems won’t start.

Rolling back the Linux kernel can save the day when a bad update breaks your system. It should be done carefully, with backups and verification. Use it to regain a stable state, then address the root ...

Learn OSPF fundamentals with a simple 3-router topology. Perfect for understanding OSPF operation, DR/BDR election, and basic troubleshooting.

Threat actors exploited a recently patched remote code execution vulnerability (CVE-2025-20352) in Cisco networking devices to deploy a rootkit and target unprotected Linux systems. The security issue ...

Certifications from Red Hat, Oracle and SUSE are tailored to environments where those Linux distributions are prevalent. Vendor-neutral certifications emphasize core Linux principles applicable across ...

Have you ever wondered what it’s like to break free from the constraints of mainstream operating systems and step into a world of limitless customization and innovative technology? For many, Linux ...

Linux is a free and open-source operating system, like Windows or macOS, that helps your computer run and manage tasks. It's widely used in servers, mobile phones and even supercomputers. We use Linux ...