nmcli

[Tom H]

On Fri, Feb 19, 2021 at 3:05 PM Jerry Geis <jerry.geis at gmail.com> wrote:
> On Fri, Feb 19, 2021 at 8:56 AM Tom H <tomh0665 at gmail.com> wrote:
>>
>> Two ways.
>>
>> 1) Change "/etc/netplan/00-installer-config.yaml" to
>>
>> network:
>>     ethernets:
>>         <your_nic>:
>>             addresses:
>>                 - 192.168.1.2/23 ## is "23" a typo?
>>             dhcp4: false
>>             gateway4: 192.168.1.1
>>             nameservers:
>>                 addresses:
>>                     - 8.8.8.8
>>     renderer: NetworkManager
>>     version: 2
>>
>> 2) Delete "/etc/netplan/00-installer-config.yaml" and let your config
>> under "/etc/NetworkManager/system-connections" set up NM. (I'm
>> assuming that NM's enabled systemd-wise, which it should be by
>> default.]
>
> I tried removing /etc/netplan/00-installer-config.yaml - and
> rebooting and everythign was messed up then.
> Not DHCP address no X no nothing.
> So I put the file back - and rebooted - back to normal.
> Not the behaviour I expected.

Very strange. I'm sure that if I set up a 20.04 VM it would work for me, LOL.

Then use the first method. I used the settings that you'd passed to nmcli.

But before you do anything, (1) does "dig" work? (2) check the output
of "resolvectl" to find out which nameserver you're querying.