I have a spare machine now so I can install Kubuntu 26.04 and give it a try if 
you like, Terry.

Hamish

On 31 May 2026 15:13:37 BST, Hugh Frater <[email protected]> wrote:
>Definitely a task for Claude….
>
>Sent from my iPhone
>
>On Sun, 31 May 2026 at 14:52, Terry Coles <[email protected]> wrote:
>
>> Hi,
>>
>> Back in 2022, Hamish and Patrick created Virtual Box VMs to simulate all
>> of the Pis in the Wimborne Model Town River System Network.  At the time
>> there was a problem with creating host-only adapters, in that the only
>> IP Address allowed for the adapter was/is 192.168.56.0/24, so there was
>> a work round for this which involved creating a file
>> /etc/vbox/networks.conf and populating it with the IP range required.
>> However, since then Kubuntu (and Ubuntu) have changed their networking
>> configuration to be based on netplan and Network Manager and (I gather),
>> that file is no longer read.
>>
>> The Virtual Box docs are currently out of date and still refer to the
>> above method to overcome this and the only information that i have found
>> appears to be a number of YouTube Videos that describe how to
>> use netplan to set up networking on a Ubuntu host to a Ubuntu Server
>> VM.  The makers of these videos appear to assume a lot of foreknowledge
>> of Linux networking, netplan and VBox, so I've struggled to find out
>> what needs to be done for our use case (11 Raspberry Pi VMs, supported
>> by a Raspberry Pi Base image).
>>
>> Can anyone point me to a more relevant source of information?
>>
>> --
>> Terry Coles
>> --
>>   Next meeting: Online, Jitsi, Tuesday, 2026-06-02 20:00
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>>
>-- 
>  Next meeting: Online, Jitsi, Tuesday, 2026-06-02 20:00
>  Check to whom you are replying
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