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

Fix VS Code Git Authentication Failed with Two-Factor Auth

When you have two-factor authentication (2FA) enabled on your Git service (GitHub, GitLab, Bitbuc...

Git Merge Unrelated Histories Without Losing Commits

You've cloned a repo, added a new remote, and now you need to merge two branches that don'...

Fix ERR_NAME_NOT_RESOLVED with CMD: Step-by-Step Guide

When you see ERR_NAME_NOT_RESOLVED in your browser, it usually means your computer can't tran...

How to Fix Nginx Upstream Connection Refused on Port 80

When nginx logs show "upstream connection refused" while connecting to port 80, it means ...

Fix Nginx Permission Denied for Static Files

Common Causes

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