Tutoriales técnicos paso a paso sobre administración de servidores y contenedores: instalar VirtualBox en Ubuntu con Secure Boot, gestionar credenciales con Docker Secrets y escanear imágenes Docker con Trivy. Cada guía incluye comandos concretos, requisitos previos y comprobaciones para verificar el resultado.
Website: https://www.zymeralabs.com/
Personal technical blog by security researcher splitline, mixing witty self-deprecating essays on Unix and file-based attack surfaces with detailed CTF challenge write-ups. Readers get explanations of real vulnerabilities such as path traversal and LFI/RCE, with code samples and author commentary.
Rüegger's Log is a personal German-language newsletter with hands-on articles on self-hosting, Linux and running your own infrastructure. Recent issues cover a deep dive into the cross-platform Task Manager TMOG, a making-of for a browser extension that works around newspaper paywalls, and a critical look at Firefox's standards support for web developers.
Practical sysadmin write-ups on Linux, Docker, self-hosting and troubleshooting, drawn from setups the author actually runs. Posts give TL;DRs, exact commands and the diagnostic steps that led to each fix.
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