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Certbot Nginx Plugin Error Log Analysis and Fixes - How to Fix Ubuntu APT Lock Error by Removing /var/lib/apt/lists/lock-npm Command Not Found After Installing Node.js

Updated 2026-06-13 13:04:16windows-fixes

Certbot Nginx Plugin Error Log Analysis and Fixes - How to Fix Ubuntu APT Lock Error by Removing /var/lib/apt/lists/lock-npm Command Not Found After Installing Node.js

Likely symptom

Likely cause

Safe rollback

Verification route

Repeat the original action, not only a simplified test case.
Restart the app or reload the service after configuration changes.