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An introduction to the vi editor
Learning how to use the vi text editor is essential for anyone working in a Linux environment. And while it can take some time to get used to how it works, mastering vi commands will help you edit files incredibly quickly without leaving your terminal or reaching for a mouse.In this post, we cover the essential vi commands you need to navigate, edit, and save your text files like a pro.What is vi editor?Created by Bill Joy in 1976, the vi editor is a fast, lightweight text editor that lets you manipulate text files directly in a terminal window. Most modern Linux systems use an updated version
Accelerating the time to science for the CDC and NIH
The AI transition from experimental chatbots to agents faces a critical hurdle in highly-regulated sectors like biomedicine and public health. While these autonomous systems can navigate complex data to perform real-world tasks, there is a clear lack of a security-focused, standardized, and observable framework for AI agents to interact with sensitive data. Without enterprise-grade guardrails, the potential of agentic workflows remains confined to the lab sandbox.To address this challenge, Red Hat has launched a joint research effort with the Centers for Disease Control and Prevention (CDC) a
Vulkan Video H.264/H.265 Encode Now Working For Intel Alchemist GPUs On Linux
Earlier this year Vulkan Video encode was disabled on newer generations of Intel graphics hardware due to insufficient testing with the Intel ANV open-source driver. That impacted Gen12.5 graphics and newer - basically Alchemist and anything newer. Now at least Gen12.5 graphics with the likes of the Arc A-Series is seeing H.264 and H.265 encoding re-enabled...
Marek Olšák At Valve Lands RADV Code That Can "Double Performance" With Some VRS Cases
Longtime AMD Linux graphics driver expert Marek Olšák, who joined Valve earlier this year and now focusing more on RADV rather than the RadeonSI Gallium3D driver, has seen some of his latest work now merged for Mesa 26.2. Marek landed a big overhaul to the variable rate shading (VRS) code that in some cases can double the performance...
19+ Years Hidden, $80,000+ Rewarded: Reporting a Linux Kernel Zero-Day for Google kernelCTF: CVE-2026-43456 - GMO Cybersecurity by Ierae, Inc.
19+ Years Hidden, $80,000+ Rewarded: Reporting a Linux Kernel Zero-Day for Google kernelCTF: CVE-2026-43456 GMO Cybersecurity by Ierae, Inc.