--- Rick Stevens <rstevens@xxxxxxxxxxxxxxx> wrote: > Charles Li wrote: > > --- Rick Stevens <rstevens@xxxxxxxxxxxxxxx> wrote: > > > >>Charles Li wrote: > >> > >>>--- Rick Stevens <rstevens@xxxxxxxxxxxxxxx> > wrote: > >>> > >>> > >>>>Charles Li wrote: > >>>> > >>>> > >>>>>Hi, > >>>>>When I try to ssh in the fc3 from another > server, > >>>> > >>>>it > >>>> > >>>> > >>>>>gives me this error: > >>>>>[server]$ ssh -X fc3-server > >>>>>ssh: connect to address fc3-server port 22: No > >>>> > >>>>route > >>>> > >>>> > >>>>>to host > >>>>> > >>>>>When do I need to start up? > >>>> > >>>>Is "fc3-server" in your /etc/hosts file or > >>>>resolvable via DNS? Can > >>>>you ping it? Do you have a default gateway > >>>>configured that can get at > >>>>it? > >>>> > >> > >> > I can ping the fc3-server from the server (S1) > >>that I > >> > >>>can issuing the ssh. > >> > >>You didn't say if you can ping it by name or IP > >>only. We need to know > >>that. > >> > >> > >>>fc3-server is not in the S1's /etc/hosts. > >> > >>If pinging via the IP address works, but pinging > via > >>the hostname > >>doesn't, you either need to enter the IP and > >>hostname into /etc/hosts or > >>make sure there are appropriate records in your > DNS > >>service. > >> > >> > >>>How do I check whether fc3-server is resolvable > >> > >>via > >> > >>>DNS, and also the gateway? > >> > >>To check DNS, "# dig fc3-server". See if you get > an > >>address back. > >> > >>Since you can ping it one way or the other, the > >>gateway is probably OK. > > I am pinging by IP address. This machine does not > > have a name. Also, I am using the ip address with > > SSH. > > That's not what you said before. I quote: > > "[server]$ ssh -X fc3-server > ssh: connect to address fc3-server port 22: No route > to host" > > > The following is the dig command output: > > > > [oracle@epic11 oracle]$ dig 172.20.3.53 > > No, not right. To see what the IP address is for > host "fc3-server", > the command would be > > dig fc3-server > > To find out which HOST is associated with IP address > 172.20.3.53 (called > a "reverse DNS lookup", the command would be > > dig -x 172.20.3.53 > > (note the "-x", meaning "reverse lookup"). > > Since you don't have a line such as: > > 172.20.3.53 fc3-server > > in /etc/hosts, you should be able to do a > > ssh 172.20.3.53 > > to access the machine by IP address. Or add that > line to /etc/hosts > and use "ssh fc3-server". > ---------------------------------------------------------------------- > - Rick Stevens, Senior Systems Engineer > rstevens@xxxxxxxxxxxxxxx - > - VitalStream, Inc. > http://www.vitalstream.com - > - > - > - Denial. It ain't just a river in Egypt > anymore! - > ---------------------------------------------------------------------- > > -- > fedora-list mailing list > fedora-list@xxxxxxxxxx > To unsubscribe: > http://www.redhat.com/mailman/listinfo/fedora-list > It still will not let me ssh: [oracle@epic11 oracle]$ ssh 172.20.3.53 ssh: connect to address 172.20.3.53 port 22: No route to host [oracle@epic11 oracle]$ dig -x 172.20.3.53 ; <<>> DiG 9.2.1 <<>> -x 172.20.3.53 ;; global options: printcmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 28048 ;; flags: qr aa rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0 ;; QUESTION SECTION: ;53.3.20.172.in-addr.arpa. IN PTR ;; AUTHORITY SECTION: 20.172.in-addr.arpa. 86400 IN SOA epic36.dep.state.fl.us. casey_t.dep.state.fl.us. 2005041903 900 600 604800 86400 ;; Query time: 1 msec ;; SERVER: 199.73.169.33#53(199.73.169.33) ;; WHEN: Wed Apr 27 21:40:19 2005 ;; MSG SIZE rcvd: 108 __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com
