Today I learned about the foundational Internet Protocol specification from 1980, MIT's comprehensive algorithms course, and their mathematics for computer science curriculum.
Today I learned about customizing PostgreSQL shell environments, advanced psql configurations, and database administration best practices for enhanced productivity.
Today I learned how to customize the PostgreSQL command-line interface using psqlrc configuration files to improve productivity and user experience.
Today I learned about comprehensive HTTP status code references, OWASP secure headers project, security design principles, and Python tools for header security analysis.
Today I learned how to use lsof to scan processes running in specific paths and discovered that the kill command accepts verbose, readable signal names for safer process management.
TIL 2020-11-02 How Linux Works by No Starch Press - Comprehensive book on Linux internals and system administration fundamentals. Docker Networking - Docker images can by default reach any server that the host can access, important for security considerations. Selenium Chrome Configuration - When running selenium/standalone-chrome, ensure Docker proxy configuration allows access to required pages. Docker Proxy Setup - Proxy configuration is crucial for containerized applications to reach external resources correctly. ...
Today I learned how the tr command can translate stdin from one format to another, providing powerful text transformation capabilities in Unix pipelines.
Today I learned about the differences between /dev/urandom and /dev/random, and how to use these devices for generating cryptographically secure random data in Unix systems.
TIL 2020-10-10 ox - Text editor written in Rust - Modern terminal-based text editor built with Rust, featuring syntax highlighting and plugin support.
Today I learned about Rust libraries for terminal applications, building text editors from scratch, the mathematical argument for Tau over Pi, and improving typing skills with classic literature.