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

How to Reset Docker Desktop Engine Without Losing Containers

If Docker Desktop becomes unresponsive or shows engine errors, resetting the engine can often fix...

Fix pnpm ERR! Cannot Find Module – Practical Steps

How to Use Git LFS Track for Large Files

If you've ever tried to push a repository containing large binary files—like design assets, d...

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 ERR_NAME_NOT_RESOLVED DNS Configuration Error

When you see ERR_NAME_NOT_RESOLVED in your browser, it means the DNS lookup for ...

Fix Nginx Configuration Test Failure After Adding Proxy Pass

You add a proxy_pass directive to an Nginx server block, run nginx -t, ...