Workflow manuals for setup steps, repeatable tasks, and software operations.

Fixing Nginx 502 Bad Gateway in Docker: Practical Steps

You set up Nginx as a reverse proxy in Docker, but instead of your app you see a 502 Bad Gateway....

Troubleshoot Windows Cannot Access Shared Folder

When you try to open a shared folder from another computer and see 'Windows cannot access \\c...

How to Fix Nginx Redirect Loop from HTTP to HTTPS

If you're seeing an infinite redirect loop when trying to force HTTPS in nginx, the browser u...

Windows Explorer Restarting Checklist for Advanced Users

If Windows Explorer (explorer.exe) keeps restarting—freezing, flashing, or crashing repeatedly—it...

Cloudflare DNS Not Propagating After SSL Certificate Change

You changed an SSL certificate in Cloudflare, but DNS changes aren't showing up. This is a co...

Fix 'git pull failed index.lock file exists' Error

When running git pull, you may see an error like:

fatal: Unable to create &#...