Re: [LUG] NFS, /etc/resolv.conf rather odd connection.

[Andrew Rogers <andrew@xxxxxxxxxxxxxxxx>]

Neil Stone wrote:

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> Andrew Rogers wrote:
>
> > Neil Williams wrote:
> >
> > > On Thursday 06 Nov 2003 10:05 pm, Neil Stone wrote:
> > >  
> > >
> > > > Neil Williams wrote:
> > > >  
> > > >
> > > > > On Thursday 06 Nov 2003 8:19 pm, Andrew Rogers wrote:
> > > > >    
> > > > >
> > > > > > behaves perfectly with no long delays.
> > > > > >       
> > > > >
> > > > >
> > > > > DNS timeout?
> > > > >     
> > > >
> > > >
> > > > the machine was unable to contact its default route... stupid or 
> > > > what ?
> > > >   
> > >
> > >
> > >
> > > Same thought was in the back of my mind.
> > >
> > > Check the route on the machine trying to export the NFS mount.
> > >
> > > A bad gateway setting would cause the DNS to timeout. Removing 
> > > /etc/resolv.conf only solves the problem by preventing NFS from 
> > > using DNS.
> > >
> > > As you said, Andrew:
> > > I known that from a previous setup incorrect DNS servers cause this 
> > > problem.
> > >
> > > The problem is finding out which bit of the DNS setup is 
> > > missing/failing.
> > >
> > >  
> > I'm not 100% sure what to look for regarding the default route. Is 
> > this hidden /proc somewhere? The closest thing I could find is the 
> > file /etc/sysconfig/network which on a different 'pooter contains:
> >
> > NETWORKING=yes
> > FORWARD_IPV4="yes"
> > HOSTNAME=PC1.HOME
> > DOMAINNAME=HOME
> > GATEWAY="10.0.0.2"
> > GATEWAYDEV="eth0"
> >
> >
> > but on the NFS server:
> >
> > NETWORKING=yes
> > GATEWAYDEV=eth0
> >
> > There's no GATEWAY but I can access webpages from the Internet from 
> > the NFS server so can I assume that the default route is O.K? What is 
> > the difference between GATEWAY and default route, if any? As I said 
> > above I'm not 100% sure what the default route is.
> >
> > My IP address is assigned by a DHCP server and begins 141.163. so its 
> > an Internet IP and not a private 192.168. or 10. address. Should it 
> > have a default route?
> >
> > /var/lib/dhcp/dhclient-eth0.leases contains an 'option routers' 
> > argument, which /proc or /etc file would this get stored in?
> >
> > Thanks
> > Andrew
>
> *uses leet copy/paste skills*
>
> to find out the default route type
>
>     route -n
>
> just copy/paste the entire contents of that
>
> - -- Neil Stone
>
>     Flash on telnet://TR3.Org:3000  and  irc://irc.r-t-f-m.org.uk/DCLUG
>
> ****************************************************************************** 
>
>
>     SELECT * FROM windows.users WHERE (clue != NULL AND clue > 0);
>
>     0 row(s) returned.
>
>
> "Backups are for wimps. Real men upload their data to an FTP site and 
> have everyone else mirror it."                    - Linus Torvalds
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/sbin/route -n:

Kernel IP routing table
Destination     Gateway         Genmask         Flags Metric Ref    Use 
Iface
10.0.0.0        0.0.0.0         255.255.255.0   U     0      0        0 eth1
141.163.72.0    0.0.0.0         255.255.252.0   U     0      0        0 eth0
127.0.0.0       0.0.0.0         255.0.0.0       U     0      0        0 lo
0.0.0.0         141.163.75.254  0.0.0.0         UG    0      0        0 eth0

Regards
Andrew


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