[ale] Remove systemd network handling

[Raylynn Knight]

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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