A command line version would be pretty fantastic to have. I run several Linux servers and being able to track the network usage would be fantastic. I’m not sure how much work it would take to involve such things, or even for my Synology NAS.
There’s a few technical reasons why we won’t do this, but running WhatPulse on a server is also not allowed according to our terms: Can I run the client on my server? | WhatPulse Help Center