Netplan has made 3 big problem on this system with Ubuntu 19.10

[Tom H]

On Thu, Nov 7, 2019 at 3:46 PM Rashkae <ubuntu at tigershaunt.com> wrote:
> On 2019-11-07 8:07 a.m., Tom H wrote:
>>
>> If you don't have "cloud-init" installed and you want to set up NM
>> without netplan, delete the files under "/etc/netplan" and set up
>> NM connections whichever way that you prefer, as long as NM
>> started by systemd.
>
> Unfortunately, it's not quite that simple, since Network Manager is
> configured by default to ignore Ethernet connections.  I think this
> is something inherited by Debian.
>
> There is a proper way to correct this by adding a higher priority
> configuration file in /etc
>
> Personally, I've just been deleting
> /usr/lib/NetworkManager/conf.d/10-globally-managed-devices.conf

Wow. Thanks.

If I use NM, it's on laptops that only have wifi.

It's not a Debian config, it's an Ubuntu one that was introduced in 2016.

"/usr/lib/NetworkManager/conf.d/10-globally-managed-devices.conf"
isn't a conffile so it'll be re-installed without prompting you when
you upgrade NM.

Use "touch /etc/NetworkManager/conf.d/10-globally-managed-devices.conf"
to override it.

Or use "$EDITOR
/etc/NetworkManager/conf.d/10-globally-managed-devices.conf" to set up
your own

[keyfile]
unmanaged-devices=*,except...