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

Fix Nginx Redirect Loop: Permanent Solutions

You're trying to reach a site, and the browser keeps bouncing between two URLs until it gives...

How to Fix ERR_CONNECTION_RESET in Chrome

If you see ERR_CONNECTION_RESET in Chrome, the browser can't establish a con...

Fixing Nginx Upstream Connection Refused in Load Balancing

When Nginx load balancing returns upstream connection refused, it means one or more ...

How to Fix Nginx 'Upstream Connection Refused' Error

When Nginx returns a 502 Bad Gateway with upstream connection refused in the error l...

Fix Git 'index.lock' File Exists Error on Linux

When working with Git on Linux, you might see an error like:

fatal: Unable to creat...