Restoring NetworkManager settings

[Alan Evans]

On Sun, Jan 11, 2009 at 6:47 PM, Alan Evans wrote:
> I screwed up.
>
> I wanted to temporarily assign static IP settings for eth0, and like a
> dufus I used system-config-network. Unchecked "Controlled by Network
> Manager" and entered the desired addresses. This worked fine as far as
> it went.
>
> When I was finished with the temporary settings, I went back and
> re-checked the box for NetworkManager control. But NM never really
> "took control" of eth0 again. I looked in "Edit Connections..." from
> NM and saw that what used to be "Auto eth0" now said "System eth0."
> There was no obvious way to change or delete it. Even root wasn't
> allowed to delete it from the NM dialog.
>
> I eventually did manage to get "Auto eth0" back by manually deleting
> /etc/sysconfig/network-scripts/ifcfg-eth0. But I can't edit anything
> about the connection, which is what I should have done instead of
> involving system-config-network.  Everything under the edit dialog for
> Auto eth0 is grayed out.
>
> I booted the LiveCD just to confirm that it was not always so. Sure
> enough, from the LiveCD boot, I can freely edit eth0 using
> NetworkManager. How do I get that back?
>
> -Alan

*sigh*