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

Install PowerShell 7 on Windows 10 Step by Step

You want to run the latest PowerShell 7 on Windows 10, but the built-in Windows PowerShell 5.1 is...

Fixing Certbot Nginx Plugin Dependency Issues with Pip Install

When installing the Certbot nginx plugin using pip, you may encounter dependency errors such as <...

Fix 'Connection Refused' When Pinging a Remote Host

When you run ping and get connection refused, it usually means the targ...

PowerShell Reset Settings Troubleshooting Checklist

When PowerShell starts acting up—strange errors, missing commands, or a broken profile—resetting ...

How to Fix 'npm command not found' on Mac

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...