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

Fixing Nginx Permission Denied for Access Log

When Nginx reports 'permission denied' while trying to write to the access log, the error...

Fix Nginx Upstream Connection Refused Error

When Nginx returns upstream connection refused in your error logs, it means Nginx tr...

Fix Windows 10 Shared Folder Access Denied Error

You set up a shared folder on Windows 10, but when you try to access it from another computer, yo...

Fix 'Git Remote Origin Already Exists' When Updating Remote URL

Fix Docker Nginx 502 Bad Gateway with MySQL

You have a Dockerized web app behind Nginx, and you're seeing a 502 Bad Gateway error. The ap...

Fix Git SSL Certificate Problem: Unable to Get Local Issuer

You run git clone https://example.com/repo.git and get: