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

Nginx Upstream Connection Refused: Fixing localhost Errors

You set up an nginx reverse proxy to forward requests to a backend service on localhost, but ngin...

Fix Docker Build Fails: No Space Left on Device

You run docker build and it fails with no space left on device. This is...

Fix Chrome Sync Not Working with Family Link

If Chrome sync stops working on a child's device managed by Google Family Link, it's usua...

Docker Compose Environment Variable Not Updating? Fix It

Fix Edge Sync Not Syncing Tabs Across Devices

You open a tab on your desktop, but it doesn't show up on your phone or laptop. This is a com...

Fix Git 'index.lock file exists' Error

When you see the error fatal: Unable to create 'path/.git/index.lock': File exists....