connect two linux boxes by a crossover cable (Yu Sun)

[Michael S. Dunsavage]

Yu Sun wrote:
> Thank you all for your help! 
> 
> I understand ssh is superior to telnet. What I actually intended to
> know is how to test the "mini" LAN to make sure it works correctly
> beyond 'ping'. I re-checked the two '/etc/xinetd/telnet' files on
> both hosts, and 'disable' is set to 'NO'. I reboot the both machine.
> Telnet is still not working. Neither are ssh, scp, rsh etc. (rsh is
> the function I really want, I try to install the mpich to test if I
> can run parallel program and get speedup by using two machines
> connected by a crossover cable, any suggestions about that is
> welcomed too).
> 
> 
> On host1, I type:
> 
>   % /usr/sbin/telneted.d      ( I am not sure I spell correctly here)
> 
> I got some message I remember indicating telnet is already running or
> something. Then,
> 
>   % /usr/sbin/telneted.d -debug 80
> (according to 'man', this is to manually start the server at port 80,
> seems running)
> 
> on host 2, I type:
>    % telnet host1 24 
> again got 'connection refused'
> 
> How do you know the Telnet server is running?
> On host 1, I type:
>    % telnet host1 or % ssh host1 
> It let me login as normal telnet or ssh client, does it mean telnet
> or ssh server is runing on host1?
> 
> 
> Yu 
> 
> 
> 
> 
> 
> 
> --- Shiraz Baig <shiraz_baig at yahoo.com> wrote:
> 
>>When you get a message of "connection refused", it
>>typically appears when the desired server is not
>>running on the host machine. In your case, it is
>>possible that telnet server is not running.
>>
>>You need to do three things to make telnet work.
>>
>>1) Install telnet server. (On a workstation,
>>installation of Linux automatically installs telnet
>>client. But you have to yourself install telnet
>>server).
>>
>>2) Change the value of parameter disable from yes to
>>no in the file /etc/xinetd/telnet. Note that if you
>>have not installed telnet server, this file may not be
>>present in the /etc/xinetd directory.
>>
>>3) Either reboot or restart xinetd.
>>
>>Now your telnet should work. 
>>Also, as some friends have advised, ssh is more secure
>>than telnet.
>>bye
>>shiraz 
>>
>>
>>		
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> 
> 
> 
> 
> 		
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-- 
Michael S. Dunsavage