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GitLab's New Rate Limits: What to Fix Before Oct 19
GitLab is capping unauthenticated API calls at 60 an hour starting October 19, and the preview windows land before most teams will have noticed.
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Tracking Down High CPU on Linux
A field-tested workflow for finding which process burns your CPU and whether the time is user, system, or iowait.
API Security Best Practices
Most API breaches aren't exotic exploits. They're missing authorization checks on endpoints that already require a login and a valid token.
CSRF Protection Done Right
A practical guide to defending against CSRF with SameSite cookies, synchronizer tokens, and double-submit, plus knowing when you don't need any of it.
Secure Authentication and Session Best Practices
A practical guide to hashing passwords, adding MFA, hardening sessions, and avoiding the JWT mistakes that break production auth.
The Linux OOM Killer — Why It Fired and How to Prevent It
The kernel killed your process to save the box, and the log looks like noise until you know exactly which fields to read.
Find What's Eating Your RAM on Linux
A practical method for reading free, top, and ps correctly so you attribute Linux memory to a real cause instead of guessing.
Diagnosing High Load Average on Linux
Load average counts more than CPU demand, so a high number needs a diagnostic path before you reach for a fix.
How to Prevent SQL Injection (For Real)
A practical guide to stopping SQL injection with parameterized queries, ORM safety, least privilege, and layered defenses that actually hold up.
The OWASP Top 10 Explained (With Fixes)
A working engineer's tour of the OWASP Top 10, each risk paired with the concrete fix that actually closes it in production.
How to Prevent XSS (Cross-Site Scripting)
A practical guide to stopping XSS through contextual output encoding, framework escaping, sanitization, CSP, and Trusted Types.
CircleCI Best Practices in 2026: Fast, Safe Pipelines
A production-focused CircleCI guide: orbs, reusable commands and executors, workflows with fan-in/fan-out, contexts and OIDC for secrets, layered caching, test splitting, approval jobs, and dynamic config — with copy-paste examples.
Fix "No Space Left on Device" When df and du Disagree
A field guide to reclaiming Linux disk space when df reports full but du can't find where the bytes actually went.