How to Boot Your Instance in Runlevel 1 (Single-User Mode)
Introduction Booting an instance in runlevel 1, also known as single-user mode, is a troubleshooting technique used in Unix-based systems, including Linux. This mode starts the system with minimal services, providing a controlled environment for diagnosing and fixing problems such as corrupted configuration files, user permissions issues, or failed updates. Runlevel 1 grants root access,