[CentOS] is it possible to login to a switch via RS232 / serial
port from the shell?
Rudi at SoftDux.com
Mon Jun 23 07:10:03 UTC 2008
John R Pierce wrote:
> Les Mikesell wrote:
>> Rudi Ahlers wrote:
>>>>> I have a problem switch in our data centre, which is connected to
>>>>> a linux server via a serial cable. I know I can / could access the
>>>>> switch from my Windows PC back at the office, using hyperterm, but
>>>>> trying to access it using minicom just doesn't seem to work.
>>>>> I have changed the comms in minincom to use /dev/tty0 & the baud
>>>>> rate to 9600, yet I can't seem to connect with minicom. Does
>>>>> anyone know how to connect to a serial device from the console?
> ....dissertation on kermit deleted....
> his problem is that he used /dev/tty0 and not the serial port
> /dev/ttyS0 note the big S. very important. /dev/tty0 is some
> kinda pseudothing. /dev/ttyS0 is the serial port known as COM1: in
> PC terms.
That was a typo in my first post. I am using /dev/ttyS0 - with a bit S :)
I have also noticed that there's no tty* in "dmesg | grep tty" or grep
could this be the problem / reason? I'm running CentOS 5.1 x64 with Xen
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