Checklists for software errors, setup, and tool workflows.

Fix Missing Taskbar Icons in Windows Notification Area

You look down at the notification area (system tray) and an icon you rely on—like volume, network...

Fix Nginx Configuration Test Failure After SSL Setup

You've just added SSL certificates to your Nginx server block, but nginx -t retu...

Fixing Nginx Upstream Connection Refused on Port 443

You see "upstream connection refused" in your Nginx error log when proxying requests to p...

How to Fix Nginx Redirect Loop: Step-by-Step Troubleshooting

If you're seeing a redirect loop error (ERR_TOO_MANY_REDIRECTS) in your browser, Nginx is cau...

How to Generate a Cloudflare Origin Certificate

If you're using Cloudflare as a reverse proxy, you may want to encrypt traffic between your s...

Fix pnpm ERR_PNPM_OUTDATED_LOCKFILE Lockfile Error

When running pnpm install or pnpm update, you may see:

ER...