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

Fix Chrome Sync Not Working Due to Proxy Settings

When Chrome sync stops working, a misconfigured proxy is a common culprit. You might see errors l...

Fix Chrome Certificate Error After Update

After a Chrome update, you might see errors like “Your connection is not private” or “NET::ERR_CE...

How to Fix Cloudflare 521 Error on Apache Servers

If you see a Cloudflare 521 error, it means Cloudflare’s network cannot reach your origin server....

docker compose set environment variable from file

When running Docker Compose, you often need to pass environment variables to your services. Hardc...

How to Allow Unrelated Histories in Git Merge

Fixing Nginx Permission Denied for Access Log

When Nginx reports 'permission denied' while trying to write to the access log, the error...