NoSQL speed ? It's MongoDB available?

How it’s NoSQL regarding of speed ?

Can i install Cockpit CMS with MongoDB / MySQL ?

Yes, you can use MongoDB with Cockpit. All you need to do is just tell Cockpit to use the MongoDB through configuration file. All described in this nice documentation page: https://getcockpit.com/documentation/reference/configuration

Thank you. Check my posts i have another post if you have time to answer @yusufiga