[ale] Remove systemd network handling

[Alex Carver]

No, I moved away from OpenWRT ages ago, I need something with more
support.  OpenWRT is good for very light weight systems hence it's
origins but for this purpose I need heavy duty.

On 2021-09-20 17:53, Raylynn Knight via Ale wrote:
> If this is a Raspberry Pi doing data collection then you should seriously consider using OpenWrt as the OS.
> 
> Ray
> 
> 
> 
>> On Sep 20, 2021, at 11:05 AM, Alex Carver via Ale <ale at ale.org> wrote:
>>
>> Raspbian.  It worked fine under the normal configuration until an update
>> a few months ago allowed an automated apt update process to sneak in.
>> The update then rewrote everything and it was unstable afterwards.
>>
>> On 2021-09-20 06:59, DJ-Pfulio via Ale wrote:
>>> Which distro?
>>>
>>> Many have deprecated and haven't used /etc/network/interfaces in a few years. This is a separate issue from systemd.
>>>
>>> Any systemd service can be disabled, then "mask"ed to prevent it from running.
>>> $ sudo systemctl list-units
>>> will show the .services you can do that with.  Getting the wrong services can make for a bad day.
>>>
>>>
>>>
>>> On 9/19/21 6:55 PM, Alex Carver via Ale wrote:
>>>> Ok, I'm having some trouble figuring out how to completely remove
>>>> systemd from handling network connections.  For some reason it decides
>>>> to bounce the connection on a couple machines every few days with no
>>>> information in the logs as to why.  It causes havoc with a bunch of data
>>>> collection scripts that are connected to instruments. I completely lose
>>>> connection to any of the instruments and can't recover without fully
>>>> restarting the scripts. I don't need the connection managed for me, it's
>>>> perfectly fine statically configured.
>>>>
>>>> The device is already statically defined in /etc/network/interfaces, I'm
>>>> not using DHCP on this particular machine, and there's no need to be
>>>> looking for hotplug events because the instruments and computer are all
>>>> bolted together in the same chassis.
>>>>
>>>> I still seem to have a networking.service listed but I've not found a
>>>> way to stop everything. Nearly everything I find in searching is how to
>>>> enable it which isn't what I want.
>>>>
>>>>
>>>> As an aside, are there any good explanations for how to remove user
>>>> management and login control from systemd as well?  I don't need seats
>>>> or any of the fancy features on this machine, that's just overhead for
>>>> no good value so I'd rather to back to plain logins.
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>>>
>>>
>>
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