Mike Leone on 17 May 2010 18:26:26 -0700

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[PLUG] Disable internal wireless in Ubuntu 10.04

I have na old laptop that only has 802.11b built-in wireless. So I use a 
802.11g card. What I can't figure out - how to disable the use of the 
internal wireless (which shows as eth1), and leave only the card (which 
is wlan0). I can't turn it off in the BIOS, because (apparently) there's 
a bug in this version where if you turn off the internal wireless, then 
even using other wireless cards don't work. (been there, done that).

Ordinarily, I'd look in /etc/network/interfaces, but the only thing in 
there is "lo". So apparently these other devices are created on the fly, 
by network manager. And I don't see more than one interface when I 
choose "Edit Connections" in Network Manager. But I see it there, in 
"ifconfig -a" (each with it's own separate DHCP address).

So .. any ideas on how to tell Network Manager to ignore eth1?

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