On Tue, 29 Jun 2004 11:38:52 -0400 "Michael S. Dunsavage" <mikesd@xxxxxxxxxxxxxxx> wrote: > 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 You start the server on port 80 and try to connect to port 24 ? BTW: telnet is running on port 23 by default. > > 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@xxxxxxxxx> 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 > >> > >> -- redhat-list mailing list unsubscribe mailto:redhat-list-request@xxxxxxxxxx?subject=unsubscribe https://www.redhat.com/mailman/listinfo/redhat-list
