Use EM9191 in ubuntu 20.04.3 with USB

[jyijyi]

How about using these commands to disable modem manager?

Connecting through SSH in ubuntu native machine

I am using a new machine running ubuntu 18.04 (while before I was running ubuntu on a VM) but I have noticed that the IP address for the USB connection to the FX30 disappear after a while and can`t understand what is the problem. As soon as I connect the USB the network interface is detected and the IP assigned: enp0s20f0u11i19: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500 inet 192.168.2.3 netmask 255.255.255.0 broadcast 192.168.2.255 inet6 fe80::e1d:45b1:5281:fce9 prefixlen 64 s…