Tools
Reading TLS Certificates with openssl
Certificate problems are confusing for a specific reason: the certificate is almost never the thing that is wrong, and openssl will happily…
GitHub’s Move From CSS-in-JS to CSS Modules: What Changed
GitHub has been running on 100% CSS Modules since June 2026. Getting there took roughly three years, more than 6,400 migrated sx…
Rust 1.99 Lets You Define C Variadics. Here’s the Catch
Rust 1.99.0, released on October 1, 2026, stabilizes the ability to define C-ABI variadic functions. Until now Rust could call into C…
Validate JSON From the Command Line With jq and Python
Validate JSON with jq empty, gate scripts with jq -e, and check schemas or large files with Python. Three tested recipes.
How to Use WinGet to Install, Update, Remove, and Manage Windows Applications
Install, update, and remove Windows apps with WinGet. Essential commands, search, versions, and bulk management with examples.
What the Verizon Outage Teaches Us About Internet Reliability and High Availability
Verizon 2024 and 2026 outages explained. Build internet reliability with redundancy, DNS, monitoring, and high availability design.
How to Check If a Website or Internet Service Is Down: Downdetector, DNS, Ping & More
Is a site down for everyone or just you. Check with Downdetector, DNS, ping, traceroute, curl, and port checks, step by step.