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Friends! i m not good enough at linux so far but have got wired net plugging disorder after ubuntu 12.04 installation on my pc. "Cable is unplagged " or "device is not ready " notices tell me nothing. pls explain how to fix the issue by command line "as root" if one n the only password ( created during installation) is available???

So the obvious question is, is a cable plugged into the machine? What port is the cable conencted into? eth0? what does ifconfig show?

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