ORBIT-USER: Where's the WiFi device on sb2?

[Shivesh Makharia]

You can boot an imaged node using wget. A typical usage is:

wget 'http://cmc:5012/cmc/on?x=1&y=2'

assuming that ur node is [1,2]

Thanks

Shivesh


On 7/25/06, Einar Vollset <einar at cs.cornell.edu> wrote:
>
>
> Umm... good point. However, if I boot normal Linux box, I can add
> bits to /etc/modules to have them loaded on boot - is this
> also true when I imageNodes ? Actually, thinking about it for half a
> second - imageNodes only writes the image doesn't it? When
> are the machines actually booted (by a nodehandler script?), and do
> they then follow the normal boot sequence? How do I
> boot an imaged node without using nodehandler?
>
> Oh, and assuming /etc/modules work as normal - will nodehandler still
> unload the driver if I do any of the node.net.w0 bla bla
> stuff in my script?
>
>
> On Jul 25, 2006, at 5:40 PM, Pandurang Kamat wrote:
>
> > ummm.. image is just what's on the disk and driver is loaded
> > unloaded from memory.
> >
> > You probably already knew this but typed your question faster than
> > the speed of thought :-)
> > And the faq is back (thanks for pointing out), an accidental
> > deletion of '}}}' had messed up the wiki rendering.
> >
> > -Pandurang
> >
> > Einar Vollset wrote:
> >> Ah. Magic.. :-) Thanks!
> >> Out of interest, if I load the driver like this and then save the
> >> image, will the driver be there when
> >> I re-image the nodes? If so, and I then ran an experiment, would
> >> the nodehandler (rudely IMHO)
> >> unload it again?
> >> Cheers,
> >> Einar
> >> On Jul 25, 2006, at 5:15 PM, Sachin Ganu wrote:
> >>> Einar,
> >>>
> >>> You will need to load the driver using "modprobe ath_pci" prior to
> >>> bringing the interface ath0 up. The nodehandler does this
> >>> automatically. Also, at the end of the experiment, the nodehandler
> >>> unloads the driver.
> >>>
> >>> At the end of your slot, I will try to test "nodehandler -t -k " and
> >>> see if I can recreate the problem.
> >>>
> >>> On 7/25/06, Einar Vollset <einar at cs.cornell.edu> wrote:
> >>>>
> >>>>
> >>>>
> >>>> Hi,
> >>>>
> >>>> I've been trying to wrestle nodehandler to run my code and was
> >>>> making
> >>>> progress when I noticed that
> >>>> my experiments were a little too successful; my code was picking
> >>>> the
> >>>> 1Gbps wired network device
> >>>> instead of the wireless one :-)
> >>>>
> >>>> However, I appear unable to actually locate the device interface
> >>>> for
> >>>> the wireless card; I simply run
> >>>> `nodehandler -t -k` - which should create me a device ath0, but
> >>>> when
> >>>> I ssh into the node after the
> >>>> simulation I only see the two wired interfaces:
> >>>>
> >>>> node1-1:~# iwconfig
> >>>> eth0      no wireless extensions.
> >>>>
> >>>> eth1      no wireless extensions.
> >>>>
> >>>> lo        no wireless extensions.
> >>>>
> >>>> It also doesn't like my suggestion to manually ifconfig the ath0
> >>>> device:
> >>>>
> >>>> node1-1:~# ifconfig ath0 up
> >>>> ath0: ERROR while getting interface flags: No such device
> >>>> node1-1:~#
> >>>>
> >>>>
> >>>> Any thoughts?
> >>>>
> >>>> Cheers,
> >>>>
> >>>> Einar
> >>>>
>
>


-- 
CONTACT INFORMATION

Last Name        : Makharia
First Name        : Shivesh
Email                : shivesh83 at gmail.com

" I arise in the morning torn between a desire to improve the world and a
desire to enjoy the world. This makes it hard to plan the day "
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