This document summarizes the migration of Tranquilidade from a traditional desktop environment to a centralized Linux desktop virtualization solution. Key points include: 1) Deployment of a centralized Linux farm and thin clients, reducing annual IT costs by 80%; 2) Migration of over 800 desktops to the new environment over 9 months; 3) Implementation of centralized management, standardization, and security controls to reduce costs and IT workload.