Sunday, January 9, 2011

[LINUX_Newbies] Re: Can't Connect to the Internet with Ubuntu

 

Hi Paul,

I tried rebooting the modem about a dozen times. I'll try "pump -i eth0" and see what happens.

~Kaz

--- In LINUX_Newbies@yahoogroups.com, "Paul" <pfrederick1@...> wrote:
>
>
>
> --- In LINUX_Newbies@yahoogroups.com, Scott <scottro@> wrote:
> >
> > On Sun, Jan 09, 2011 at 01:52:15AM -0000, kazman1914 wrote:
> > > Hi,
> > >
> > > Thank you for showing such patience to an extreme newbie. You asked:
> >
> > Some folks here are good at that. :) (That's why it's called
> > Linux_Newbies).
> >
> >
> > To summarize
> > Time Warner gave you a cable modem (that also works your phone.) You've
> > established that the hardware works, as Windows can get an address.
> >
> > You're not using wireless. (That's what was meant by the question about
> > whether a wire was connected. )
> >
> > > "If there is no wire and you are able to connect to the internet
> > > using Windows, please let us know that also. We will work
> > > from there."
> >
> > > "Please tell us exactly which Ubuntu you installed. It is possible
> > > to download many different flavors of Ubuntu and some install what
> > > is called Network Manager (or equivalent) and some don't."
> > >
> > > I'll have to get back to you on that. It's the latest non-BETA version, 10.04 I think, but I'll have to check to be sure. Based on my conversation with customer service at TWC, the modem is set to provide the IP address via DHCP.
> >
> > Question--does Ubuntu definitely see the ethernet card. That is, if you
> > open a terminal (In Ubuntu, I think it's under
> > Applications=>Accessories) and type
> >
> > ifconfig eth0
> >
> > Does it show something?
> >
> > My guess is always on NetworkManager, which came by its nickname of
> > NetworkMangler honestly.
> >
> > Also, Ubuntu 10.04 has long term support (henceforth known as LTS), but
> > it isn't the newest. The newest theoretically stable version is 10.10
> > and there's an alpha of the next one coming out.
> >
> > I'd be really curious to know if other distributions worked.
> >
> > For the moment, please try the ifconfig eth0 command and see if that
> > brings a result. You'll get about 4 or 5 lines of output, assuming it
> > sees the card. If you see something like failure fetching device, then
> > that would be the problem.
> >
> > Also, please post the output of
> >
> > lspci |grep -i ether
> >
> > (lspci gives information about the hardware--grep gets specific
> > information, in this case the ethernet card. Usually, the output will
> > be Ethernet with a capital E, but we use the -i to make it case
> > insensitive.)
> >
> >
> >
> > --
> > Scott Robbins
> > PGP keyID EB3467D6
> > ( 1B48 077D 66F6 9DB0 FDC2 A409 FA54 EB34 67D6 )
> > gpg --keyserver pgp.mit.edu --recv-keys EB3467D6
> >
> > Spike: What, your Mom doesn't know?
> > Joyce: Know what?
> > Buffy: That I'm, uh...in a band. A rock band...with Spike here.
> > Spike: Right. She plays the-the triangle...
> > Buffy: Drums.
> > Spike: Drums, yeah. She's hell on the old skins, you know.
> > Joyce: (to Spike) And what do you do?
> > Spike: Well I sing.
> >
>
>
> First thing I'd still do is reboot the modem. Just because it seems to "work" doesn't mean it is actually fully functional. Then for laughs just type pump -i eth0 and cross your fingers it might work.
>
> I like network mangler! That has been my experience with it and this other devilish garbage that seems to get installed by default anymore called avahi-daemon.
>
> While many changes have made Linux supposedly more wireless friendly they definitely make plain old wired connections a byzantine mess!
>
> Some files I have found that affect network behavior include:
>
> /etc/udev/rules.d/70-persistent-net.rules
> /etc/network/interfaces
>
>
> Then there are the traditional files one would expect:
>
>
> /etc/resolv.conf
> /etc/hosts
>
> Helpful commands include:
>
> pump
>
> route -n
>
> less /etc/network/run/ifstate
>
> If you would like to get rid of pesky programs:
>
> # apt-get remove network-manager
>
> # update-rc.d -f avahi-daemon remove
>
> # /etc/init.d/networking restart
>

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