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I recently installed USB Wireless Adapter based on Ralink RT5370 chip on my Ubuntu 10.04. Manufacturer drivers are installed properly and now I have ra0 wireless interface configured in /etc/network/interfaces like so:

auto ra0
iface ra0 inet static
    wpa-ssid <my-wpa-psk>
    wpa-psk <my-wpa-psk>

Everything works OK when I bring it up with "ifup -a" or "ifup ra0" - I can ping, surf Internet. Networking is active.

But I can not figure it out why it is not brought up on boot? All other ifaces such as eth0 and lo are loaded OK.

I tried to create some executable scripts in /etc/init.d with ifup ra0 command inside and updating them via update-rc.d, but soon I realized that none of placed there is executed during boot (simply added mkdir inside one of them and nothing changed) It worth to mention that there is Upstart on my system.

But I want it to behave like it should understanding auto ra0

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