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

How to Fix Nginx 502 Bad Gateway in Docker

If you're running Nginx as a reverse proxy inside Docker and seeing a 502 Bad Gateway error, ...

VSCode Terminal Not Opening on Ubuntu: Fixes That Work

You open the integrated terminal in VSCode on Ubuntu, but nothing happens—no shell, no error, jus...

How to Fix Git Push Rejected Non-Fast-Forward Error

When you run git push and see “rejected – non-fast-forward”, it means your local bra...

Docker Container Exits Immediately: Fix with Restart Policy

You start a Docker container, it runs for a second, then stops. No error messages, just a quick e...

Fix Windows Update Error 0x80070005 by Taking Ownership

What Causes Error 0x80070005?

This error usually means Windows Update doesn't have pe...

Fix 'nginx cannot read file permission denied' Error

When Nginx returns a 403 Forbidden or logs "permission denied" for a static file, it'...