Nextcloud on a linux system is your best bet. And its a huge pain. You essentially have to learn devops and regularly check in to see everything is running corr

Nextcloud on a linux system is your best bet. And its a huge pain. You essentially have to learn devops and regularly check in to see everything is running correct. And then one mistake and your data is at risk. You also have to manage backups somehow which you want to be not on the same machine.