1
vote
0answers
19 views

Two port PCI serial card. One port can only set baud rate once

I have a new PCI serial card, being used on a Ubuntu 14.04 box. It's serial ports show up as /dev/ttyS4 and /dev/ttyS5. $ dmesg | grep ttyS [ 0.732690] 00:03: ttyS0 at I/O 0x3f8 (irq = 4, ...
2
votes
0answers
95 views

Nohup SLEEP does not hold TTY port open

We recently upgraded from Centos 4.3 to 5.9 and have come across a perplexing condition with regard to a very few direct-character printers we use. Since the beginning of Unix we have placed a command ...
1
vote
1answer
86 views

Agetty terminating during login on serial connection

I'm trying to login to a server through the serial port using agetty. When I start agetty and open the serial connection, I see the login prompt but as soon as I enter the username (in my case root), ...
1
vote
1answer
758 views

Serial connection over a single USB cable (Windows to linux, or linux to linux)

I'm helping out with a project for an embedded device that only has USB and no serial. This device is running Linux. These days, when we need to connect to a serial port on a device we typically use ...
3
votes
2answers
2k views

Fedora14 serial console how-to needed

Has anyone ever got a serial console working in fedora 14 ? Is it as simple as adding to grub: serial --unit=0 --speed=38400 terminal --timeout=10 serial console and add to the kernel lines: ...
0
votes
1answer
306 views

Remote Linux Installation

i will try to install a Linux-System to a remote System where i dont have a Monitor or Keyboard. I can access the machine with ssh. I found following Document that describe a serial connection via ...
1
vote
2answers
8k views

Serial port forwarding over TCP/IP (linux server)

I am looking for a way to use a remote serial port on a linux machine over LAN. The machine is running ubuntu 10.04 and I have a arduino board connected to it, that I would like to be able to ...
2
votes
4answers
2k views

Remapping Linux serial port device names

I have a server running Debian Linux which has a built in serial port which is coming up as ttyS0. I have a plug in PCI card with two serial ports that are being registered with Linux as ttyS2 and ...
2
votes
2answers
399 views

How to power a serial port under linux?

I got a serial to ethernet device connected to a Serial (COM) port on a Linux machine (debian etch), I connected it correctly but it did not power up, I suppose I need to power the device port, anyone ...
0
votes
2answers
962 views

Get files from serial port SSH shell

My webserver networking is down. I can open a shell over SSH using serial port. I need to download 2 files (an sql dump and a backup of the entire website: aprox 3GB). To open the shell I must to ...
14
votes
3answers
11k views

sniff serial port on Linux

How can I sniff packets communicated through serial port on Linux?
3
votes
3answers
22k views

How to determine the baud rate of a serial port?

I'm setting up a console server and I need to determine the correct baud rate of my port. I'd like to do this from the command line, if possible. Does anyone know how?