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

Docker Container Exits Immediately After Start: Network Fixes

You start a Docker container and it exits right away. The container logs show no errors, or the e...

Fix Windows Cannot Access Shared Folder Due to Firewall

You try to open a shared folder on another PC and get an error like "Windows cannot access \\...

Fixing Nginx 502 Bad Gateway in Docker Networks

You have an Nginx container proxying requests to another container (like a PHP-FPM or Node app), ...

Fix Windows Update Error 0x80070005 by Taking Ownership

What Causes Error 0x80070005?

This error usually means Windows Update doesn't have pe...

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

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

Docker Container Exits Immediately: 'Command Not Found' Fix

You start a Docker container and it exits immediately with a message like /bin/sh: 1: somec...