Problems with SSH

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I had the same problem with 4.3 on one system out of 4 I recently built.
I checked iptables, /etc/sysconfig/networks ,
/etc/sysconfig/network-scripts/ifcfg-eth0 (and eth1) , /etc/resolv.conf
etc etc.

What was strange is I could ping , nslookup etc from that system but
could never ssh to it. Same error message your posting.

I ended up using a mondorescue disk from another system that worked fine
and then fixed the configs for the different network configuration.

If you do find out the root cause of that please share it as it bugged
me not actually finding out why the same configuration process on 4
systems failed on 1 system (all the same exact hardware as well). 

In the end I attributed the root cause to the interface between the
keyboard and the chair (me) as I could not find another cause.

-Greg

> -----Original Message-----
> From: centos-bounces@xxxxxxxxxx 
> [mailto:centos-bounces@xxxxxxxxxx] On Behalf Of JC
> Sent: Thursday, April 27, 2006 9:25 AM
> To: CentOS mailing list
> Subject: Re:  Problems with SSH
> 
> try to ping from A to B and from B to A.  If you can't, then 
> look in to 
> DNS problem.
> 
> If you can ping, then check for any firewall (selinux) and 
> port (22 for 
> ssh)
> 
> Hope that help,
> JC
> 
> On Thu, 27 Apr 2006, it was written:
> 
> > Hi, i have 2 linux machines on a corporative network, from 
> my machine(Local Machine)i Have ssh acces to the  serer 
> typing ssh user@nombreservidor
> > But when i try to connect from the server to my local 
> machine i have a message "name or service not known", it 
> doesn`t matter if i do it ss user or as root
> > If i type ssh user@iplocal i have a message "no route to host"
> > it already verified that both systems(local and server) 
> have SSH running
> > by typing service sshd status, and the response is "ssh is 
> running (pidxxxx)
> > The OS in the local machine is  CentOS 4.3 in the server is 
> WhiteBox 4
> >
> > Anyone have aan idea?
> > please, I need help
> > Thanks
> >
> > -----------------------------------------------------------
> > Sign up and get your 30GB webmail at www.30gigs.com now!
> 
> -- 
> 
> 

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