Re: I can't connect via ssh

On Fri, 2009-09-25 at 18:32 -0500, Aaron Konstam wrote:
On Fri, 2009-09-25 at 16:20 -0300, Germán Racca wrote:
Hi list:

I need to use ssh to transfer data between a PC and a notebook, both
with Fedora 11, but the result is, from notebook to PC:


$ ssh xx.xx.xx.xx
ssh: connect to host xx.xx.xx.xx port 22: No route to host

$ ping xx.xx.xx.xx
From xx.xx.xx.xx icmp_seq=11 Destination Host Unreachable
From xx.xx.xx.xx icmp_seq=12 Destination Host Unreachable
From xx.xx.xx.xx icmp_seq=13 Destination Host Unreachable

From PC to notebook there is no response.
Please can anybody help me?

Abrazos,
Germán.

Is the host reachable. Ping the host and see if it is there. Run the
host command on the ip.address and see if it is identified. I assume you
can reach other sites. It sounds like the networking on one of your
machines is not operational, What does networkmanager say?


Hi all,

First of all I want to say a huge thank you for your messages. As I do
not understand sometimes very well what are you talking about, I'm going
to give you some basic information that I understand.

The network I'm using is in a research institute, so I'm not on the
control of the network connection, and the machines aren't directly
connected by a cable. I can ping to other machines and connect to other
sites, the problem is when I ping from one to the other, as I said in my
first message.

[german@centauri ~]$ ping localhost
PING centauri.das.inpe.br (127.0.0.1) 56(84) bytes of data.
64 bytes from centauri.das.inpe.br (127.0.0.1): icmp_seq=1 ttl=64
time=0.038 ms
64 bytes from centauri.das.inpe.br (127.0.0.1): icmp_seq=2 ttl=64
time=0.042 ms
64 bytes from centauri.das.inpe.br (127.0.0.1): icmp_seq=3 ttl=64
time=0.043 ms
^C
--- centauri.das.inpe.br ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2851ms
rtt min/avg/max/mdev = 0.038/0.041/0.043/0.002 ms

The same result is obtained when I ping localhost in the other machine
(the notebook). The network is operacional on both machines.

[german@centauri ~]$ sudo ethtool eth0
[sudo] password for german:
Settings for eth0:
Supported ports: [ TP MII ]
Supported link modes: 10baseT/Half 10baseT/Full
100baseT/Half 100baseT/Full
Supports auto-negotiation: Yes
Advertised link modes: 10baseT/Half 10baseT/Full
100baseT/Half 100baseT/Full
Advertised auto-negotiation: Yes
Speed: 100Mb/s
Duplex: Full
Port: MII
PHYAD: 1
Transceiver: internal
Auto-negotiation: on
Supports Wake-on: pumbg
Wake-on: d
Current message level: 0x00000001 (1)
Link detected: yes

The firewall is configured as it was when I upgraded to Fedora 11 in
both machines, I haven't modified anything.

[german@centauri ~]$ sudo service iptables status | egrep ":22 "
4 ACCEPT tcp -- 0.0.0.0/0 0.0.0.0/0 state
NEW tcp dpt:22

I hope this can help you.
Germán.

--
Germán A. Racca
National Institute for Space Research (INPE)
São José dos Campos - SP - Brasil
http://gracca.wordpress.com
http://tinyurl.com/SkyTux

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