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Bring usb0 up automatically [SOLVED]
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pygoscelis
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Joined: 07 Jun 2003
Posts: 394

PostPosted: Sun Nov 07, 2010 8:30 am    Post subject: Bring usb0 up automatically [SOLVED] Reply with quote

Hi everyone. I have a 3G cell phone which I use tethered as a USB network adapter. It works, but I have to bring it up manually each time it's plugged in:

Code:
sudo ifconfig usb0 up
sudo dhcpcd usb0

Sometimes dhcpcd doesn't work because there's an old instance of dhcpcd running on usb0. Sometimes in this case dhcpcd -n works, sometimes it does not and I have to kill the old instance.

What is the accepted way to do all this automatically? Do I need to create something like /etc/init.d/net.usb0 or something else? If it's etc/init.d/net.usb0, what do I put inside?

I'm not using NetworkManager.

UPD: heh, it always helps to look around a little.
What one needs to do is:
Code:
sudo emerge ifplugd
cd /etc/init.d
sudo ln -s net.lo net.usb0

Magic!
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chithanh
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Joined: 05 Aug 2006
Posts: 2152
Location: Berlin, Germany

PostPosted: Sun Nov 07, 2010 11:50 am    Post subject: Reply with quote

ifplugd is totally not necessary. If /etc/init.d/net.usb0 exists then udev will launch it automatically as soon as you plug in the USB network device.
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pygoscelis
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PostPosted: Sun Nov 07, 2010 4:37 pm    Post subject: Reply with quote

chithanh wrote:
ifplugd is totally not necessary. If /etc/init.d/net.usb0 exists then udev will launch it automatically as soon as you plug in the USB network device.

I tried without ifplugd and it didn't work. Maybe I just didn't have patience to wait for udev picking it up. Next time I'll try again.
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