[ubuntu] TRUlink usb ethernet adapter does not work

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http://ubuntuforums.org – My motherboard ethernet input has broken so I am now trying to use an USB adapter. The TRUlink ethernet adapter (USB 2.0 10/100/1000 Ethernet Adapter) that I am trying to use does not seem to be working in Ubuntu 11.04. The output from "lspci | grep Ethernet" is: Code: 02:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168B PCI Express Gigabit Ethernet controller (rev 03) In the Network Manager GUI I see the device and it will attempt to connect, but it eventually fails. The device has worked in Windows Vista previously on the same laptop (Toshiba S (Hardware)