Ssh to groov Rio

I need some basic help getting ssh onto this grove rio.
a document, or youtube video… whatever. I have basic questions, like is it yocto over Ethernet or yocto over usb?

Hi there and welcome to the Opto forums.

The SSH setup is in the groov RIO users guide on our developer site here: Developing with groov EPIC | Opto 22 Developer

From a high level, get the free license:
https://www.opto22.com/products/groov-lic-shell
Apply it to your RIO.
Log in with your shell user/password that you just made.
Yocto is the toolset used to build the Linux Kernel running on EPIC and RIO, so its not really ‘Yocto Linux’ (there is no such thing), we use a Debian based Linux.
It uses port 22 on the Ethernet network just like most other SSH connections.
You can use PuTTY or terminal etc.

Lets know if you have any other questions.

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