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

Fixing SSH Connection Refused for Linux Server via PuTTY

When you try to connect to a Linux server with PuTTY and get "connection refused," it usually mea...

Fix 'Remote Desktop Command Not Found' After Update

How to Fix Windows Security Slow Startup & Disable It

If your Windows PC takes forever to boot and you suspect Windows Security (formerly Defender) is ...

Fix Remote Desktop Timeout After Windows 10 Update

After a Windows 10 update, you might find that Remote Desktop connections time out unexpectedly. ...

Fix Nginx Config Test: Cannot Open Error Log File

When running nginx -t to test your configuration, you may see an error like:

Fix Chrome DNS Error Using chrome://net-internals

If you see a DNS error in Chrome—like "ERR_NAME_NOT_RESOLVED" or "DNS_PROBE_FINISHED_NXDOMAIN"—th...