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

Windows 11 WiFi Has Internet but Other Devices Work Fine

You're connected to WiFi on your Windows 11 PC, but the network icon shows 'No internet&#...

Fix Docker Build Context Canceled by Excluding Files

You run docker build and after a long wait see context canceled. This o...

Fix Nginx 502 Bad Gateway on Docker Ubuntu

ERR_NAME_NOT_RESOLVED on Chrome for Mac: How to Fix

If you see ERR_NAME_NOT_RESOLVED in Chrome on your Mac, the browser can't transl...

How to Fix Git 'index.lock' File Exists Error

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

Fix Nginx Upstream Connection Refused Socket Error