Many good ideas here.

My suggestion:
Set up an identical package at home. Same model pi, same ip address, same 
weather station setup.
That way you can update, reconfigure and test your setup and just carry the 
sim chip on a visit to your remote site.

On Wednesday, December 9, 2020 at 6:55:44 PM UTC-6 mwall wrote:

> On Wednesday, December 9, 2020 at 11:11:23 AM UTC-5 Sunray wrote:
>
>>
>> Anybody done this or can help otherwise? Many thanks in advance! 
>>
>
> excellent suggestions in this thread, especially using only ssh for 
> access.  you can always tunnel over the ssh connection for vnc or to 
> probe/diagnose other parts of the remote network.
>
> tor is great, but you can also map port 22 on the pi to some other high 
> port on the public-facing router.  that will stop a lot of the brute force 
> ssh attacks.  definitely use certificate-only authentication - no passwords.
>
> test the catch-up capabilities while you are on site.  weewx was designed 
> to get data from any logger, so you should not have any gaps in data, even 
> if the computer running weewx is down for awhile.  but test it to be sure, 
> and be sure that your logger interval is short enough to get the data you 
> want, but long enough to get through the longest outage you anticipate.
>
> if you have solar+battery in place, then the weak link will typically be 
> your internet provider at the remote site.  while you are on site, do some 
> testing of the cable modem or cell uplink or satellite uplink.  be sure 
> that it will come back online after power failure, and be sure that your 
> router will properly re-negotiate with your ISP hardware when everything 
> comes back.
>
> avoid auto-configuration software such as NetworkManager or fakehwclock.  
> you'll want your systems to remain exactly as you configured them.
>
> rpi should boot automatically when it gets power, but for anyone using 
> intel-based hardware, be sure to set the power-on policy in the bios.  in 
> some bios this setting is rather obscure, but you want it to be always on.
>
> definitely do the periodic probe to a web server whose logs you can query 
> - dyndns can be pretty reliable, but then someone forgets to pay the bill, 
> or a dns table gets messed up somewhere, or ...
>
> of course, there are also all of the mother nature things to watch out for 
> - lightning strikes, critters chewing through network or power cables, salt 
> water penetrating your supposedly waterproof poe connections, temperatures 
> exceeding 50C in your enclosure after spiders build webs across all of the 
> ventilation ports, UV degradation of your sensor shields ...
>
> m
>

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