Knowledge base for software setup, errors, and daily tool work.

Fix Git SSL Certificate Problem Unable to Get Local Issuer on Ubuntu

When you see git SSL certificate problem: unable to get local issuer certificate on ...

Fix Nginx 502 Bad Gateway on Docker Ubuntu

Fix Nginx 'Permission Denied' Upstream Errors

When Nginx logs permission denied while connecting to an upstream (e.g., a Unix sock...

Chrome Sync Stuck on Waiting for Sync: Practical Fixes

You open Chrome, click the profile icon, and see the never-ending 'Waiting for sync' mess...

Fix Python Memory Error When Loading Large JSON Files

If you've tried to load a large JSON file into Python and hit a MemoryError, you...