Topic
#python
3 posts
- Testing the eMudhra CA fix: four shortcuts that don't work When a certificate authority is distrusted, the advice is to upgrade certifi, upgrade pip and rebuild. I followed that advice in the official Docker images, then asked each client to connect to a site signed with a cracked key. Four fixes that looked right did nothing. The only proof is your client refusing a bad certificate. 6 min read #systems#security#tls
- A symlink is just a path, and that explains everything Why upgrading Python leaves two versions behind, why your venv breaks, why ln -sfn is safe on Linux but not on a Mac, and twelve more things a symlink can do to you. Every claim comes with output you can reproduce. 7 min read #systems#linux#filesystems
- A backend take-home, and the two bugs that taught me more than the task A FastAPI service that stores stock prices, serves them over a REST API, and backtests a moving-average crossover strategy, containerized end to end. Two bugs taught me more than the assignment did. 2 min read #python#fastapi#docker