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

How to Allow Unrelated Histories in Git Merge

Fix 'Externally Managed Environment' Error on Linux

If you're on a modern Linux distribution (Ubuntu 23.04+, Debian 12+, Fedora 38+, etc.) and ge...

Cloudflare DNS Propagation: How to Check and Fix Delays

When you change DNS records on Cloudflare, propagation can take longer than expected. This articl...

Docker Compose 'Network Not Found' Error Fix

When running docker compose up, you might see an error like:

Docker Container Exits Immediately: No Error, Common Fixes

You run docker run and the container starts, then exits within a second. No error me...

Cloudflare DNS Propagation Checklist: Verify and Speed Up Changes

When you change a DNS record in Cloudflare, the update doesn't take effect instantly everywhe...