[luau] Road Runner

Sun Mar 24 10:20:22 PST 2002

Mark,

	You shouldn't feel stupid. We were all there at some time or another.

Deven Phillips, CISSP

On Sunday 24 March 2002 07:41 am, you wrote:
> Again, I can't thank all of you enough for your time and effort.  Out of
> all of this information, what should I do now?  Sorry, but you guys have
> drilled down quite a bit here and I don't understand most of it and I'm
> more afaid now of making a mistake and really screwing things up.  I know,
> stupid newbie!
>
>
> From: Ray Strode <halfline at hawaii.rr.com>
>
> >Reply-To: luau at videl.ics.hawaii.edu
> >To: luau at videl.ics.hawaii.edu
> >Subject: Re: [luau] Road Runner
> >Date: Sun, 24 Mar 2002 02:11:54 -1000
> >
> >>1.  The kernel is compiled with networking support and recognizes the
> >>Intel PRO/1000 Ethernet card.  Warren, I doubt a new kernel is needed.
> >>You mentioned there was a problem with the EEPro100.  This is an
> >>EtherExpress card.  I do not believe the problem you remember applies
> >>here, unless an Intel PRO/1000 is the same as an EtherExpress Pro100,
> >>which I doubt.
> >
> >I'm not certain, by I think it's atleast plausible that they use the same
> >driver.  Remember it's a gigabit card, but it's only being pushed to
> >10Mb/s.
> >Chances are at least for that much functionality the same driver would
> >work (and is probably being autoloaded).
> >
> >>But I am not against upgrading to the latest kernel.  I
> >>just do not believe it is necessary in this case.  Mark, I do recommend
> >>you install a kernel version that Oracle has tested with.
> >
> >I agree with you.
> >
> >>2.  DHCP is installed.  It must be, since running it resulted in an error
> >>message about it being running already.  More about this later.
> >
> >Yes that and the fact that his routing table shows him having a gateway
> > and ifconfig shows him having an IP address :-).  And so when he goes ls
> > /sbin/dhcpcd
> >it's there :-)
> >
> >>As I see it, there are potentially two problems.  First, DHCP does not
> >>seem to be running after bootup.
> >
> >That's not a problem.  That's a choice.. He only wants it to give him
> >internet
> >on demand (when he plugs the cable modem into the already running box).
> >
> >>Second, as Patrick suggested, there might be a hardware problem.
> >
> >No.. It gets an IP address and Gateway.
> >
> >>Assuming the problem is _not_ with hardware, we still need to figure out
> >>why DHCP is not running, or was killed.
> >
> >It is running.
> >
> >>Unfortunately, I am not a RedHat user, so I have no idea how RedHat
> >>
> >>implemented their network configuration.  So if Warren and Ray could help
> >>
> >>me out, I have a few questions.
> >
> >Okay, I can prolly help ya.
> >
> >>Anyway, this is how Debian configures the network.  How does RedHat
> >>configure the interface for DHCP?
> >
> >/etc/sysconfig/network-scripts/ifcfg-eth0
> >sets some environment variables that /etc/init.d/network
> >script uses to know what to do.
> >
> >>Ray, I think it is better to determine
> >>why RedHat is not running DHCP automatically, rather than running
> >>/sbin/dhcpcd.
> >
> >He doesn't wan't it to run automatically.  He wants it to run on demand.
> >You are right though.  It's better to use
> >/etc/init.d/network
> >then /sbin/dhcpcd and friends
> >
> >>Since we are talking about RR, there is no reason to
> >>manually startup the network.
> >
> >Yes there is.  He normally keeps his cable modem plugged into his other
> >computer.
> >
> >>1.  Mark, you need to login as root from your KDE environment to run all
> >>of the commands that everyone is asking you to run.  The reason you got
> >>an error when you typed 'ifconfig' was because you were not root.  Ray,
> >>Warren, correct me if I am wrong, but doesn't RedHat include /sbin in the
> >>path when you are logged in as root?
> >
> >It does, but depending on how super user priveleges are gained, the
> >exisiting environment may be inherited, so the path and such may be still
> >set to the previous user.
> >
> >>Another benefit of using a terminal application instead of Ctrl-Alt-F7 is
> >>that you can copy and paste the output of those programs into an editor.
> >>The terminal app usually has a scroll bar, so if the output scrolls off
> >>the window, just move the scroll bar up and copy the text.
> >
> >That's true (except Ctrl-Alt-F7 normally goes back to X, not to a console)
> >
> >>2.  The dmesg output suggests that the kernel already recognized the
> >>Ethernet card.  This means the device driver was compiled into the
> >> kernel. So there is no need to worry about loadable modules.  If no one
> >> knows what this is, it doesn't matter.  It is not important.
> >
> >hrmmmm........interesting.....I never even thought of that.  Actually,
> >dmesg
> >output isn't strictly boot messages is it?  I mean it updates itself
> >whenever
> >the kernel ring buffers are written too, yes? (I'm not sure) .  If you
> >notice
> >the ethernet card driver loading is the absolute last thing on the list.
> >That
> >suggests to me that it may have happened sometime after bootup.  (Like
> >when the module was loaded after dhcpcd was ran).
> >
> >>3.  Concerning the contents of the /etc/resolv.conf file.  I think having
> >>only one IP address listed is a mistake.  I had problems where the first
> >>DNS server on the list was down.  If there was no backup, I would have
> >>been locked out of the Internet.  The fact that there is only one entry
> >>could mean something went wrong.  If one entry is correct, I think RR
> >>mis-configured their system.  Someone should phone them up and complain.
> >
> >Well one nameserver is good enough to get things working temporarily is
> >all I meant.   Road Runner has quite a few nameservers actually.
> >
> >>4.  Concerning re-installing DHCP, I only suggested this as a quick fix.
> >>We could try to figure out what went wrong with DHCP.  But it would be a
> >>lot easier to just uninstall the program, then install it again and go
> >>through the configuration procedure.
> >
> >I could be wrong, but in this case I dont' think that would help at all.
> >
> >--Ray
> >
> >
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