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

DNS Probe Finished NXDOMAIN: Meaning and Fixes

You're trying to visit a website but Chrome shows "DNS_PROBE_FINISHED_NXDOMAIN". This...

Fix Nginx Permission Denied for Static Files

Common Causes

When Nginx returns a 403 Forbidden or 'permission denied' error for...

Increase Node.js Memory Limit for npm Scripts

When running npm scripts that handle large files, complex builds, or memory-intensive operations,...

Fixing Nginx 502 Bad Gateway in Docker: Practical Steps

You set up Nginx as a reverse proxy in Docker, but instead of your app you see a 502 Bad Gateway....

Fix Windows 11 WiFi Connected but No Internet After Sleep

You wake your Windows 11 PC from sleep, the WiFi icon shows connected, but you can't load any...

How to Fix Nginx Configuration Test Failed Error

When you run nginx -t and see "test failed", it means nginx found a problem ...