I have Centos 7 arm32 running on a Cubieboard and I am logged in as root
on its serial uart from another system.
On that system I use
screen /dev/ttyUSB0 115200
Well it was working well for a couple days, but now only garbage comes
across. Something messed up the serial link.
pulling the usb cable to the usb/serial adapter does not reset things.
I can ssh into the server and see root logged into ttyS0
How do I reset that serial port so that I can work on the system?
thanks
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