[SATLUG] stumped

Steev Klimaszewski threeway at gmail.com
Thu Dec 5 22:01:42 CST 2013

On Thu, Dec 5, 2013 at 9:57 PM, Bruce Dubbs <bruce.dubbs at gmail.com> wrote:

> Borries Demeler wrote:
>> Folks,
>> I am stumped after an upgrade, I lost ethernet and wireless on an older
>> Dell latitude, and am not sure why. dmesg shows the modules loading fine,
>> and recognizing the hardware, ditto in lspci -v. But trying to configure
>> eth0 or wlan0 is impossible. Here is the output, I would appreciate if
>> someone has some ideas of whatelse I could check. Strangely, when I boot
>> with the rescue disk ethernet works just fine. Must be missing something
>> here...
> You can always see what the system has identified with
> ls /sys/class/net
> Newer versions of udev name the interfaces in a different way than most of
> us are used to seeing:
> http://www.freedesktop.org/wiki/Software/systemd/
> PredictableNetworkInterfaceNames/
> This is another case of the 1% dictating something the 99% don't need. In
> LFS, we create a udev rule to overcome the issue:
> cat /etc/udev/rules.d/70-persistent-net.rules
> SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", \
> ATTR{address}=="00:25:64:38:ec:dd", ATTR{dev_id}=="0x0", \
> ATTR{type}=="1", KERNEL=="eth*", NAME="eth0"
> Fill in the mac address for your own ethernet card.  Actually. we have a
> script that does this for us, but a manual update works fine too.
>   -- Bruce
You can also just add 'net.ifrenames=0'  to the kernel cmdline to keep the
ethX and wlanX naming scheme.

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