macbook4,1 – ubuntu & wireless woes (fixed)

17 01 2011

I have a newish (couple of years) macbook 4,1

Model Name:    MacBook
Model Identifier:    MacBook4,1
Processor Name:    Intel Core 2 Duo
Processor Speed:    2.4 GHz
Number Of Processors:    1
Total Number Of Cores:    2
L2 Cache:    3 MB
Memory:    4 GB
Bus Speed:    800 MHz

Recently I decided I had had enough of OSX and threw Ubuntu 10.10 on it – all has been reasonably smooth sailing (minus the dying HDD, the repartitioning & GRUB woes …)

I pulled the Airport Extreme out of the cupboard the other day (I had been tethering with my Android HTC Desire while we were building a house) – and lo & behold I had dramas connecting to it. Wireless N WPA2/TKIP.

Anyway, a bit of googling time later, I found a great couple of lines to fix the issue. Wireless has been rock solid (so far) since making this change. Changing the ifupdown to managed & adding config for ifup & ifdown did the trick.

sudo gedit /etc/NetworkManage/nm-system-settings.conf

[ifupdown]
managed=true
#managed=false

[ifup]
managed=true

[ifdown]
managed=true

Reboot & wireless is golden again.

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