1 This is a full-feature setup of Nextcloud to experiment with:
a) live backup of Virtual Machines (master-to-master, master-to-slave),
b) hardening server security /penetration testing / data breaching experiments,
c) load balancing of users and resources,
d) develop new nextcloud apps

2The entire setup is designed to secure data. Focus is on privacy and on operating as a full-service provider for hosting, maintaining, supporting and updating the nextcloud service. All your files will be stored in one secure location, fully encrypted.
Using nextcloud, you can easily and securely sync and share your files. Conveniently access all your files from your desktop, web-browser or mobile device. (download clients from here: https://nextcloud.com/clients/)

3 Register to get a free account: https://www.nextcloud.com.gr/modecsoft/
Service is free.
email me for comments: admin-at-nextcloud.com.gr, kvlachos-at-ceid.upatras.gr