Sorry for late response.

Using a RPi Zero W so no chance to use wire.  In fact, virtually no chance 
to make any changes to network at remote site.

Regards,

Garry

On Sunday, March 28, 2021 at 1:03:52 PM UTC-7 [email protected] wrote:

> Hi Gary,  esp. in a remote location like that, can you use ethernet 
> instead of wi-fi?  I ran into a similar problem recently with an RPi-zero 
> that was losing wi-fi, even though it's right across the room with nothing 
> in between.  From what I found researching solutions, in some cases, it 
> takes a reboot to recover.  In any case, I ended up writing a script that 
> will try the 2-3 non-boot things to recover wi-fi, and reboot when all else 
> fails.  I can share it, but it's got a few dependencies...
> Not positive it works, since the device seems to have stayed up since I 
> set it up in cron, and I haven't checked the system logs.  There were a 
> couple of other minor things I updated related to some boot warnings
> with wi-fi.
>
> Chris
>
> On Sunday, March 28, 2021 at 12:30:29 PM UTC-6 [email protected] wrote:
>
>> Totally agree with your comments.
>>
>> I’m trying to handle network and remote server issues for a station I 
>> don’t have remote access to, and sometimes (depending on time of year) have 
>> to wait a few days before I can go onsite.  So I am trying to handle 
>> conditions external to WeeWX.
>>
>> One issue is Raspberry Pi OS “wlan0 carrier lost problem” (see 
>> https://www.raspberrypi.org/forums/viewtopic.php?t=233847 for a 
>> conversation).
>>
>> Even if I fix each problem as they arise, I’d like to have a “belts & 
>> suspenders” backup solution.
>>
>> Regards,
>>
>> Garry Lockyer
>> C: +1.250.689.0686 <(250)%20689-0686>
>> E: [email protected]
>>
>>
>> On Mar 28, 2021, at 11:18, Tom Keffer <[email protected]> wrote:
>>
>> 
>>
>> I don't know anything about PM2, but it would be useful to know where 
>> you're trying to get. Weewx is extremely stable and can literally run for 
>> years without rebooting. If it is crashing, it would be better to fix that 
>> problem, rather than use a process manager.
>>
>> On Sun, Mar 28, 2021 at 11:11 AM [email protected] <[email protected]> 
>> wrote:
>>
>>> PM2 (https://pm2.keymetrics.io/) is a process manager often associated 
>>> with node.js apps written in Java Script. It can also manage processes 
>>> written in Python (see: 
>>> https://pm2.io/blog/2018/09/19/Manage-Python-Processes).
>>>
>>> I was not able to get PM2 working with WeeWX - has anyone got it going?
>>>
>>> I was able to get the example 'hello.py' script working.
>>>
>>> When I tried 'sudo pm2 start /home/weewx/bin/weewxd' I got the following 
>>> error (viewed using 'sudo pm2 logs'):
>>>
>>> 1|weewxd  | /home/weewx/bin/weewxd:2
>>> 1|weewxd  | #
>>> 1|weewxd  | ^
>>> 1|weewxd  | SyntaxError: Invalid or unexpected token
>>> 1|weewxd  |     at Module._compile 
>>> (internal/modules/cjs/loader.js:723:23)
>>> 1|weewxd  |     at Object.Module._extensions..js 
>>> (internal/modules/cjs/loader.js:789:10)
>>> 1|weewxd  |     at Module.load (internal/modules/cjs/loader.js:653:32)
>>> 1|weewxd  |     at tryModuleLoad (internal/modules/cjs/loader.js:593:12)
>>> 1|weewxd  |     at Function.Module._load 
>>> (internal/modules/cjs/loader.js:585:3)
>>> 1|weewxd  |     at Object.<anonymous> 
>>> (/usr/lib/node_modules/pm2/lib/ProcessContainerFork.js:33:23)
>>> 1|weewxd  |     at Module._compile 
>>> (internal/modules/cjs/loader.js:778:30)
>>> 1|weewxd  |     at Object.Module._extensions..js 
>>> (internal/modules/cjs/loader.js:789:10)
>>> 1|weewxd  |     at Module.load (internal/modules/cjs/loader.js:653:32)
>>> 1|weewxd  |     at tryModuleLoad (internal/modules/cjs/loader.js:593:12)
>>> PM2       | App [weewxd:1] exited with code [1] via signal [SIGINT]
>>> PM2       | Script /home/weewx/bin/weewxd had too many unstable restarts 
>>> (16). Stopped. "errored"
>>>
>>> I suspected that was because PM2 uses the file extension to determine 
>>> the script language so I changed the name of 'weewxd' to 'weewxd.py'.  
>>> Things progressed a little further but I got:
>>>
>>> /root/.pm2/logs/weewxd-out.log last 15 lines:
>>> /root/.pm2/logs/weewxd-error.log last 15 lines:
>>> 0|weewxd   |   File "/home/weewx/bin/weewxd.py", line 20, in <module>
>>> 0|weewxd   |     import configobj
>>> 0|weewxd   | ImportError: No module named configobj
>>> 0|weewxd   | Traceback (most recent call last):
>>> 0|weewxd   |   File "/home/weewx/bin/weewxd.py", line 20, in <module>
>>> 0|weewxd   |     import configobj
>>> 0|weewxd   | ImportError: No module named configobj
>>> 0|weewxd   | Traceback (most recent call last):
>>> 0|weewxd   |   File "/home/weewx/bin/weewxd.py", line 20, in <module>
>>> 0|weewxd   |     import configobj
>>> 0|weewxd   | ImportError: No module named configobj
>>> 0|weewxd   | Traceback (most recent call last):
>>> 0|weewxd   |   File "/home/weewx/bin/weewxd.py", line 20, in <module>
>>> 0|weewxd   |     import configobj
>>> 0|weewxd   | ImportError: No module named configobj
>>>
>>> I assume that WeeWx is starting up but the Python interpreter can't find 
>>> the file for the the import, so perhaps something needs to be tweaked in 
>>> PATH?  I don't want to change anything in that area with advice.
>>>
>>> Starting/stopping WeeWX with '/etc/init.d/weewx' works perfectly.
>>>
>>> Regards and thanks in advance,
>>>
>>> Garry
>>>
>>>
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