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

Fix Nginx Configuration Test Failure After Adding Proxy Pass

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

How to Fix Chrome Sync Not Working with Multiple Profiles

If you use multiple Chrome profiles—say, one for work and one for personal—sync can sometimes sto...

Fix Docker Volume Permission Denied on Mac

Windows Update Error 0x800f081f: Troubleshooting Steps

You're running Windows Update and it fails with error 0x800f081f. This usually means the upda...

Fix Cloudflare Origin Certificate Error After SSL Change

You changed your SSL/TLS setting in Cloudflare (for example, from Flexible to Full or Full Strict...

Docker Compose Ports Not Working: Common Fixes

You've defined ports in your docker-compose.yml, but containers aren't reachable on the e...