charlescurley at charlescurley.com
Wed Apr 22 10:30:59 MDT 2009
On Wed, Apr 22, 2009 at 11:36:49AM -0400, Jones, Scott (GE Money, consultant) wrote:
> >What do you mean by "SEE"? You can't get on the network? You
> >don't see it in Places-> Network? I'm going to assume the
> >former, because 1) I never use the latter, and 2) you don't
> >want to use "Windows networking" (aka Samba) anyway.
> By 'see' I mean, even though each machine can access resources on the
> 'net, non can connect to and access LOCAL resources, despite all being
> connected through the same router. On one machine I can see a window's
> network icon, but I click on it and generate a permissions error, that I
> don't have sufficient permissions to access those resources.
Odd. This could be an overly-officious router/switch. Can you ping
from any one machine to any other? As root:
ping -c 5 foo
You should see, e.g.:
root at dragon:~# ping chaffee
PING chaffee.localdomain (192.168.1.30) 56(84) bytes of data.
64 bytes from chaffee.localdomain (192.168.1.30): icmp_seq=1 ttl=64 time=1.11 ms
64 bytes from chaffee.localdomain (192.168.1.30): icmp_seq=2 ttl=64 time=1.21 ms
64 bytes from chaffee.localdomain (192.168.1.30): icmp_seq=3 ttl=64 time=1.27 ms
64 bytes from chaffee.localdomain (192.168.1.30): icmp_seq=4 ttl=64 time=2.44 ms
64 bytes from chaffee.localdomain (192.168.1.30): icmp_seq=5 ttl=64 time=1.23 ms
--- chaffee.localdomain ping statistics ---
5 packets transmitted, 5 received, 0% packet loss, time 4015ms
rtt min/avg/max/mdev = 1.116/1.455/2.441/0.497 ms
root at dragon:~#
If you see something like that, then it's probably not the router
"shielding" local machines from each other.
> In suggestion I avoid Samba, are you indicating that NFS would work much
> better? Samba has always, until now, worked well for me, but I am
> willing to give NFS a shot. I really don't care which I use, as long as
> I can enable sharing among these machines and establish remote access
> and control that works too.
> >This sounds like a networking problem. Does your DHCP server
> >have an entry for the spare machine? If not, I would use
> >ifconfig and route to manually set up the spare machine
> >(assuming this is a one-off job). First, on Ubuntu, take
> >NetworkManager out and shoot it.
> On my router's web admin screen, it shows machines on my LAN, even
> though those machines can't talk to each other. I have uninstalled
> NetworkManager, even though it was working fine.
> >/etc/init.d/NetworkManager stop
> >Then, adjusting to suit your network:
> >ifconfig $IF 192.168.23.4
> >route del default
> >route add default gw 192.168.23.31
> >route -n
> >cat > /etc/resolv.conf <<EORES
> >search localdomain
> >nameserver 127.0.0.1
> >nameserver 192.168.23.30
> >nameserver 192.168.23.4
> >ifconfig $IF
> Are these in a script, or just entered at the command prompt? I don't
> mean to sound ignorant here, but I am not sure how to use these.
> >You should now be on the network. Ping a known good host by IP
> >address to verify networking, then by host name to verify name lookup.
> >Then use rsync, as Nicholas suggested, and *NOT* samba.
> >Personally, I'd use finnix for this. Much faster boot time,
> >and no NetworkManager to get in your way.
> Is 'finnix' then a replacement for NetworkManager?
> PLUG: http://plug.org, #utah on irc.freenode.net
> Unsubscribe: http://plug.org/mailman/options/plug
> Don't fear the penguin.
Charles Curley /"\ ASCII Ribbon Campaign
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