Search results for: Security

Introduction to SELinux

SELinux is the most popular Linux Security Module used to isolate and protect system components from one another. Learn about different access control systems and Linux security as I introduce the foundations of a popular type system.

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TOTP codes for 2FA are now single-use

During two-factor authentication and when entering sudo mode for sensitive actions on GitHub.com, TOTP codes could be successfully used multiple times within their validity window. To improve security, this reuse…

Bridging code and community

Explore the impact of non-code contributions—and why they are often undervalued, the challenges of using open source in regulated environments, and the art of managing projects at the scale of Kubernetes, now on The ReadME Podcast.

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GitHub Universe 2025

Last chance: Save $700 on your IRL pass to Universe and join us on Oct. 28-29 in San Francisco.