[Solved ] Realtek Ethernet Network Device Not Recognized on Linux 2.6.x and 3.x

Here is another post in [Solved] category . I believe the proposed solution will work on all flavor  of Linux system. But I have encountered the “Problem” and found “Solution” on OpenSuse – 12.1.

After installation of OS , I was shocked to see that the Realtek ethernet device is not  recognized by OS. I suspected that , probably the required driver is not installed/available with OS. So I followed the below explained steps and hit the solution. You must be logged in into the system with root credential to do this exercise.

  • Make ifconfig eth0 up.

To know the device name we can see the hardware detail of system OR  make eth0 device up by below command.

$ ifconfig  eth0 up

  • Check device name.

open the file with “vi /etc/sysconfig/network/ifcfg-eth0”. In this file device name will be listed as bellow   “NAME=’RTL8101E/RTL8102E PCI Express Fast Ethernet controller’

  • Find Driver for Ethernet Controller.

The above step gives me enough clue that,  I need to search for driver of Realtek ethernet controller. Which leads me to the below link.

Download Realtek Ethernet Controller Driver : click here

  • Downloaded driver.

Download the tar.bz file and unzip.

  • Run autorun.sh

Go inside the unzipped folder and we shall find file – named “autorun.sh”. Execute the shell file with below command.

$sh autorun.sh

  • Reboot your system.

This should make your system’s ethernet device up and running


Simple , Artistic , Meaningful

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Posted in computer, debug, troubleshoot

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