cant startup?

[kxn25]

Hello,
iam trying to connect my inverter to my Pi 3 b+.
so far i hava followed your instructions...
iam stuck at running cmake . && make
Command not found!
And how do i call ./ inverter_poller -h

Iam looking for a way to get the inverter data into my iobroker.
There are somany programms and threads but i cant get i working :-(

[manio]

First you need some basic knowledge about compiling under linux.
Start with 'apt install build-essential cmake'

[kxn25]

Sorry for that did not know about cmake.
But thank you for your answer.