Typo correction: ls -l /hello.txt # is it 6 bytes? (text+newline) On Thursday 14 December 2023 16:06:13 Christer M. Fekjan wrote: > On serial link type: > echo hello >> /hello.txt > > Via ssh: > ls -l hello.txt # is it 6 bytes? (text+newline) > cat /hello.txt > # Anything in /var/log/messages or other logs? > > Kind regards, > Christer > > On Thursday 14 December 2023 02:45:31 Robert Moskowitz 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 > > > > > > > > _______________________________________________ > > CentOS mailing list > > CentOS@xxxxxxxxxx > > https://lists.centos.org/mailman/listinfo/centos > _______________________________________________ CentOS mailing list CentOS@xxxxxxxxxx https://lists.centos.org/mailman/listinfo/centos