What does it mean?
Digital sovereignty is not only hosting in France. It means being able to audit, transfer and evolve your information system without being locked into a single vendor or provider.
A concrete stack
- Linux and open source virtualization (KVM, QEMU)
- NixOS for declarative infrastructure
- Keycloak, Nextcloud, Matrix for identity and collaboration
- Following Sécurix / Bureautix (DINUM): still experimental, not yet generalisable
Proof on the ground
Municipalities are already migrating to Linux without an in-house IT department. On the State side, Sécurix and Bureautix are experimental (about 250 workstations at DINUM): a strong signal, but not a product ready to deploy elsewhere yet.