the system I am connected to over the serial uart is one of my major
servers and I REALLY dislike rebooting it.
On 12/13/23 23:21, Fred wrote:
have never used usb-to-serial devices, so I'm probably wrong here...
wondering if, on the system where you work, have you tried using the reset
or tset command?
otherwise, though *being a Linux user I hate to suggest this*, but have you
tried the "universal-fix-all-problems" technique that Windows users learn
early on, i.e., reboot one or both systems? rebooting one of the systems
then trying to connect may tell you which system is wedged. maybe.
Good luck!
Fred
On Wed, Dec 13, 2023 at 8:46 PM Robert Moskowitz <rgm@xxxxxxxxxxxxxxx>
wrote:
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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