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

Using Git LFS Migrate on an Existing Repository

If you have a Git repository that already contains large files—like binaries, archives, or datase...

Fix Nginx Configuration Test Failure After Adding Proxy Pass

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

Fix DNS Probe Finished NXDOMAIN Caused by Antivirus Blocking

You try to load a website and see DNS_PROBE_FINISHED_NXDOMAIN in Chrome, or simi...

How to Fix Cloudflare SSL Full Strict Self-Signed Certificate Error

Cloudflare Origin Certificate Setup for Apache

If you use Cloudflare's proxy (orange cloud), you can set up an origin certificate to encrypt...

Fix Chrome Certificate Error: Invalid Authority Registry on Windows

When browsing in Chrome, you may encounter a certificate error stating “invalid authority...