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@htt-consult.com 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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