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

Nginx Upstream Connection Refused: Diagnosis and Fixes

When Nginx returns a 502 Bad Gateway or logs "upstream connection refused", it means Ngin...

How to Fix Nginx Redirect Loop in Server Block

You set up a server block in Nginx, but now the browser keeps redirecting—http to https, or www t...

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

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

fatal: Unable to create &#...

Fix Chrome Status Access Violation Registry Error

You open Chrome and see an error like STATUS_ACCESS_VIOLATION or a crash with that c...

Fix Chrome Access Violation Error When Opening PDFs

You click a PDF link in Chrome and instead of the document, you see an error: Access Violatio...