Technical notes on Linux, sysadmin, development and devops.
Same-document View Transitions are now supported across all major browsers. What they are, the problem they solve, and why they simplify animating between page states without JavaScript libraries.
Anthropic introduced Agent Skills: folders with a SKILL.md file that bundle reusable instructions and scripts for agents. What they are, the problem they solve, and why they matter, explained simply.
By late October 2025, more than half of human web traffic to Cloudflare uses post-quantum cryptography. What it means, the threat it guards against, and what's still missing.
What the GDPR means on the technical side: encrypting data at rest and in transit, minimising and retaining logs, access control, secure backups, and where data lives. This is not legal advice.
systemd is the system and service manager on modern Linux: what it is, what units and timers are, and why timers add integrated logging, dependencies and catch-up over cron.
The FIDO Alliance has published the Credential Exchange specifications (CXF and CXP) for securely exporting and importing passkeys and other credentials between different managers. Here's what they…