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

Fix Cloudflare Origin Certificate with Let's Encrypt

If your origin server is rejecting the Cloudflare origin certificate—perhaps because of a SAN mis...

Fix npm run build Failed with PostCSS Error

You run npm run build and see a PostCSS error. This often happens after updating pac...

Fix Git Merge Conflicts When Stash Changes Are Involved

You're mid-merge, and Git tells you there's a conflict. But you also have stashed changes...

How to Set npm Prefix to Avoid Permission Denied Errors