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Old 08-03-2004, 10:24 AM   #1
0perat0r
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direct connection to Linux through a serial cable


Hi,

I am attempting to make a connection to a Linux box via a serial cable. I understand this is odd, but this is the way it must be done. The Windows (2k) machine has made the connection, after I configured it in Network and Dial-up connections, and told it to use a SLIP: UNIX connection. How can I configure the Linux machine to accept the communication from the Windows machine?

thanks
 
Old 08-03-2004, 10:35 AM   #2
win32sux
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here's my two cents:

Quote:
the Linux kernel needs to be told to use a serial port for its console, which can be handled at compile time or by passing kernel command-line options from the bootloader configuration
http://www.linuxjournal.com/article.php?sid=7206
 
Old 08-03-2004, 11:19 AM   #3
johnp05
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Well I used to use a serial cable like you, but i recently upgraded to a real network.
But here's what I did on my linux box:
First off you want to make sure you have PPP installed, and then change the setting on your W2K box to PPP not SLIP... I don't know anything about Slip so no one bash me please. For me, my settings have always been at 115200 baud for my serial connection (it works). So I used pppd to initiate a connection.

You simply go to the Linux Terminal, go to super user mode, and type in:
pppd -detach crtscts lock 192.168.0.1:192.168.0.2 115200 (change the first IP to the IP you want your Linux box to be on, and the second IP will be your windows 2k box)

And then you should go to your windows 2000 machine and try to direct connect now using PPP. Try to ping the other one to see if it works.

This is how I've always done it (or used to), I hope it helps.
 
Old 08-03-2004, 12:29 PM   #4
0perat0r
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Thank you both for your replies. johnp05, I tried your command, but linux choked on it. I see where you are going with it, though. I can use the pppd command with different options, I think. Any other suggestions are welcome.

thanks
 
Old 08-03-2004, 12:59 PM   #5
johnp05
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Sorry about that operator! I forgot to mention the device in pppd. Forgive me for leaving out such an important command.
Say on your windows 2000 box you are connected at Com1, and you are probably on your only or Com1 port on your Linux box too.
In linux, it is /dev/ttyS0, so you need to add that to the pppd command, like so.

pppd -detach crtscts lock /dev/ttyS0 192.168.0.1:192.168.0.2 115200

And it should work, and if that doesnt work because you have multiple com ports, try changing ttyS0 to ttyS1 and so on. Hope it works for you, tell me how it goes.
 
Old 08-03-2004, 02:04 PM   #6
0perat0r
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I tried this, but it is prompting me for a username and password. Im not sure how the authenticaiton should be set or even how to go about it. It seems like it wants to connect, however.
 
  


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