Re: eth0 "disabled" after upgrade Squeeze to Wheezy

[Neal Murphy <neal.p.murphy@alum.wpi.edu>]

On Friday, November 15, 2013 02:18:26 PM Glenn English wrote:
> On Nov 15, 2013, at 12:01 PM, Lisi Reisz <lisi.reisz@gmail.com> wrote:
> >> Re-adding the two etho lines should fix it all for you - unless a
> >> reboot deletes them, somehow!
> > 
> > it did. :-(
> 
> Noob here. How about fixing /etc/network/interfaces, removing all write
> permissions from the file, rebooting, and looking for write errors? In
> hopes of finding what's writing over the file...

Close, Glenn. Set the file's 'immutable' bit so it *can't* be changed or 
deleted. That should surely raise the hackles of the quisling.
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mkdir /run/network
# edit /etc/network/interfaces to restore eth0

chattr +i /run/network /etc/network/interfaces
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