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

Fix Git SSL Certificate Problem: Unable to Get Local Issuer

You run git clone https://example.com/repo.git and get:

Docker Nginx 502 Bad Gateway: Memory Limit Fix

You're running Nginx in Docker as a reverse proxy, and suddenly you see 502 Bad Gateway error...

Fix Chrome Startup Crash Without Losing Bookmarks

If Chrome crashes immediately upon launch, you risk losing bookmarks and other local data if you ...

Fix Nginx Permission Denied for Static Files

Common Causes

When Nginx returns a 403 Forbidden or 'permission denied' error for...

Fix ERR_NAME_NOT_RESOLVED in Chrome Safe Mode

If you see ERR_NAME_NOT_RESOLVED in Chrome while browsing in safe mode (Incognit...

Fix Nginx 502 Bad Gateway: Upstream Connection Refused

If you're seeing a 502 Bad Gateway error with "upstream connection refused" in your N...