Multi-User Remote Desktop Setup

I need a solution to allow multiple users to log in and use a desktop environment, either on Windows or Linux. The goal is to enable several users to access the system simultaneously, using desktop applications and browsers.

Requirements:
- Set up a remote desktop solution that supports multiple simultaneous users
- Users should be able to run desktop applications and browsers
- The setup should be secure and reliable

Ideal Skills and Experience:
- Experience with remote desktop protocols and configurations
- Proficiency in both Windows and Linux environments
- Knowledge of security best practices for remote access

Please provide a brief overview of your approach and relevant experience.