Serial connection between two Linux machines

Hi

I have two Linux machines. I wish to connect to one from the other using a terminal over Bluetooth

The problem I have is annoying because it basically works. Anyway, here is the problem

Master (USB bluetooth):

modprobe hci_usb
hciconfig hci0 up
hciconfig

mknod -m 666 /dev/rfcomm0 c 216 0
rfcomm bind 0 00:60:57:18:FB:6E 1

Slave (UART bluetooth):

hciattach /dev/ttyS0 -s 115200 csr
hciconfig hci0 up
hcid
dund --persist --listen
sdpd
sdptool add SP --channel=1

I open a terminal on the master. A connection is present.

I type echo "Hello" > /dev/bluetooth/rfcomm/0

and on the master terminal I see "Hello"

And this is where the problem comes. If I repeat the echo, I get:
cannot create /dev/rfcomm0: No such device

because the connection was closed

I have sent huge files down the link with no problem...but when it reaches the end of the file, the connection closes everytime!

If anyone knows what Im doing wrong I would appreciate it! I have searched for 2 days now and not managed to find the solution

Regards

Tom

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Hi Thomas,

use "rfconn connect ..." instead of "rfcomm bind ..." or keep the link opened with "cat /dev/rfcomm0".

Regards

Marcel

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