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Fedora 7 telnet-server problem

Ok, I just solved my own problem. On a whim, I compared the "/etc/hosts" file on the two machines that had a working telnet-server, and on the one that didn't work. I noticed that on the bad server, the FQDN was not in the first line. The first line read:	localhost.localdomain	localhost	SuperNova

Wheras on the other two, the first line was similar to the following:	Commander.mydomain.com	Commander	localhost.localdomain	localhost

When I changed the bad server's "/etc/hosts" file's first line to read:	SuperNova.mydomain.com	SuperNova	localhost.localdomain	localhost

then telnet worked again, just like the other two machines! Frankly, I am amazed that I stumbled across this. I would never have thought that the "/etc/hosts" file would affect an incoming telnet session on a machine. I wonder why this happens? I just lost a couple of hours trying to figure this out.



I am having an issue with the telnet-server for Fedora 7. I set up 3 machines with F7 in the last week, and followed the same procedure with all of them. I installed telnet-server with the following procedure:

yum install telnet-server
edited the appropriate xinetd.d file to turn on telnet
restarted xinetd

On the first two machines, telnet worked fine. On the last install I did, I encountered a problem with the telnet-server. When I try to telnet into this server, I get the following message:

Connected to
Escape character is '^]'.
getaddrinfo: localhost: Success
Name or service not known: Illegal seek
Connection closed by foreign host.

I have never seen this error before. It happens when I try to telnet to the machine from itself, as well. What could cause this? I can't seem to find much information about this problem. I do know about ssh and use that as well (ssh works on this machine), but I do need to have telnet working too.


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