Can't get wireless to work with kubuntu 9.04

[Bruce Bales]

On Friday 31 July 2009 06:49:09 David McGlone wrote:
> On Friday 31 July 2009 12:44:08 am Nils Kassube wrote:
> > Bruce Bales wrote:
> > > Wireless on my laptop with kubuntu 8.04 was not easy.  I had to
> > > sudo iwconfig ath0 essid bbs key (the wep code)  and then
> > > sudo dhclient each time I booted up.
> > >
> > > Then I upgraded to kubuntu 9.04 and the iwconfig line no longer
> > > works.  The iwconfig line gives me "ath0 no such device."
> > > I tried wlan0, wlan, eth0, ath1 and wlan1 -- same result.
> >
> > What wireless device do you have? I think "ath0" would be some Atheros
> > chipset but which one? 8.04 had the madwifi driver but now the driver is
> > in the kernel, maybe your chipset is not yet supported correctly? To
> > find out what chipset you have, use the commands
> >
> > lspci
> > sudo lshw -C network
> >
> > in a terminal and post the relevant part of the output. And if you want
> > to find out the wireless interface name you can try the command
> >
> > ifconfig -a
> >
> > in a terminal. It will show you the configuration of all interfaces
> > known to your system.
> >
> > > The main page has an icon which says "network management"  Clicking
> > > on that then  "network connection" then "enable wireless"  then
> > > "manage connection" gets me nowhere.
> >
> > If you have problems getting the network manager working it may be
> > useful to replace it with wicd. You can install the wicd package from
> > the 9.04 repository.
>
> Another suggestion, check your /etc/network/interfaces. I can almost
> guarantee it's empty.
>
> --
> Blessings,
> David M.
> http://www.dmcentral.net

Thanks, David
/etc/network/interfaces contains

auto lo
iface lo inet loopback

bruce