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

Fix PuTTY Network Error: Connection Refused on Ubuntu

When you try to connect to an Ubuntu machine using PuTTY and see "Network error: Connection refus...

Fix VSCode Extension Host Terminated Error Code 0

What does this error mean?

When you see 'Extension host terminated unexpectedly with erro...

Fix WSL Ubuntu Cannot Ping External Network

You run ping google.com from your WSL Ubuntu terminal and get no response, or an err...

npm Install Dependency Conflict Checklist

You run npm install and get errors about unmet peer dependencies, version mismatches...

Fix ERESOLVE Error in npm ci for Production Builds

When you run npm ci in a production environment and hit an ERESOLVE err...

How to Remove a Host Key from SSH Known Hosts

SSH warns or fails when a remote host's key changes—common after server rebuilds, IP reassignment...