Some tools and resources that can be used and help to control several of the EA4TX devices

ser2net service

ser2net daemon allows telnet and tcp sessions to be established with a unit’s serial ports. It also allows sharing the same serial port between several tcp connections.

A very interesting utility for internet access to ARS-USB, RemoteBox, etc.

Read more about it:

https://ea4tx.com/en/faqs/rspi/ser2net/

UDEV service

udev is a device manager for the Linux kernel which allows to set the name of devices. Udev identifies devices by serial numbers, manufacturers, and even vendor ID and product ID numbers and it can assign a well-know name to that device. 

Read more about it:

https://ea4tx.com/en/faqs/rspi/udev/