dump iptables rules to stdout
Author: Willie
Willie
Willie has over 15 years of experience in Linux system administration and DevOps. After managing infrastructure for startups and enterprises alike, he founded Command Linux to share the practical knowledge he wished he had when starting out. He oversees content strategy and contributes guides on server management, automation, and security.
Direct Rendering Manager
versatile tool for generating system resource statistics
Embedded Linux powers 10.7 billion devices, accounting for 58% of all IoT devices worldwide in 2024. Explore its dominance across connected systems and the growing role in global IoT infrastructure.
Learn what PostgreSQL is and why it’s a powerful object-relational database with ACID compliance, advanced indexing, and flexible querying. Discover how it supports both SQL and JSON for modern data needs.
Legacy interactive content is one of the more fascinating technical and cultural problems in computing. Unlike text documents or image files, which can usually be opened decades later with minimal friction, interactive content is deeply entangled with the specific software environment it was built for. When that environment changes, or disappears entirely, the content does not simply become harder to access. It can become completely inaccessible, even when the original files still exist and the hardware to run them remains functional. The scope of this problem is larger than most people outside the preservation community realize. Millions of pieces of…
Parsing XML Data with XML::LibXML
Simple CD/DVD burning tool
wrap long lines and sort items in Debian packaging files
awk and print a column (based on the name of the program, 1-9)