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Asked: 2011-05-13 17:40:26 +0800 CST

What is this eth0.bak?

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Why do I have 2 of the same devices but different nicknames? Do I need to delete one? What is with this eth0.bak? Thanks for any advice. =)

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BTW, this is from RHEL virtual machine in case that helps any.

From the request below, here are some more details of my networking setup. I don't see any other indication of a eth0.bak here. Is it safe to just follow dmourati's instructions to bring down this eth0.back? Thanks again. enter image description here

linux-networking

3 Answers

  1. Someone made a ifcfg-eth0.bak file in 

    /etc/sysconfig/network-scripts

    Its probably a backup file

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  2. Best Answer

    Post the outputs from the following:

    $ /sbin/ifconfig
$ cat /etc/sysconfig/network-scripts/ifcfg-eth0*

    Probably the person modifying that ifcfg-eth0 script didn't release that copying it to ifcfg-eth0.bak would add another config to the interface.

    I'd bet you want to do:

    $ sudo ifcfg eth0.bak down
$ sudo rm /etc/sysconfig/network-scripts/ifcfg-eth0.bak

    Don't do that until you post the ifconfig and cat outputs above so we can confirm there isn't something else going on.

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  3. That's a backup file. It happens when you, for example, change the network card (hence, it's MAC ADDRESS).

    Red Hat based distros happen to create a .bak file when that happens.

    It's safe to delete.

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