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

[Yu Sun]

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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