Yes there are tools for that it is called landscape from canonical and it
is one of the strong reasons to use Ubuntu in spite of whatever you think
the privacy reasons might be
Those five free licenses you've been talking about are five free licenses
for landscape
With landscape you can completely manage all of those endpoints including
what apps are installed security and so on and so forth from one Central
point
--
"You should sit in nature for 20 minutes a day
Unless you are busy - then you should sit for an hour"
- Zen Proverb