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

Fix Nginx Configuration Test Failure After Adding Proxy Pass

You add a proxy_pass directive to an Nginx server block, run nginx -t, ...

How to Stop Nginx Redirect Loop: Practical Fixes

An Nginx redirect loop (too many redirects) usually appears as a browser error after multiple 301...

Fix Nginx Permission Denied on Socket File

When Nginx throws a "permission denied" error for a socket file, the web server can't...

How to Fix Chrome Sync Error 'Sign In Again'

What the Error Means

When Chrome displays 'Sign in again' in the sync settings, i...

Fix Ethernet Connected but No Internet on Windows 11

You plug in an Ethernet cable, Windows 11 shows you're connected, but websites won't load...

Fix Windows Update Service Not Running for System Restore

You might see “System Restore did not complete successfully” or “Windows Update service is not ru...