raspberry pi3 installation completed, a page displayed and no update

[pascal Cambier]

Hello,
After many tests, I managed to install weewx on a Pi3.
He sent his files once via FTP. But, it was the page of 11/26/20 13:35:00 while it was 11/29. Later, 4:55 pm arrived, and since nothing
The page: https://cambier.eu/meteo/weewx/
Here is the log after a reboot of the pi, then of the restart of weewx (debug = 1)

The configuration file is located here: https://www.dropbox.com/s/ywoqpzvarxnhwy3/Config_WeeWx_Anonyme.txt?dl=0
Do you have a lead for me?

Thank you !

pi@weewx-pi3:~ $ tail -f /var/log/syslog
Nov 30 11:31:31 weewx-pi3 dhcpcd[439]: wlan0: expired address 2a02:2788:11f4:344:c909:9ba4:6f20:ce24/64
Nov 30 11:31:31 weewx-pi3 avahi-daemon[371]: Withdrawing address record for 2a02:2788:11f4:344:c909:9ba4:6f20:ce24 on wlan0.
Nov 30 11:31:31 weewx-pi3 dhcpcd[439]: wlan0: part of Router Advertisement expired
Nov 30 11:31:31 weewx-pi3 avahi-daemon[371]: Leaving mDNS multicast group on interface wlan0.IPv6 with address 2a02:2788:11f4:344:c909:9ba4:6f20:ce24.
Nov 30 11:31:31 weewx-pi3 avahi-daemon[371]: Joining mDNS multicast group on interface wlan0.IPv6 with address fe80::5fee:62fb:9770:fccf.
Nov 30 11:31:31 weewx-pi3 dhcpcd[439]: wlan0: deleting route to 2a02:2788:11f4:344::/64
Nov 30 11:31:31 weewx-pi3 avahi-daemon[371]: Registering new address record for fe80::5fee:62fb:9770:fccf on wlan0.*.
Nov 30 11:31:31 weewx-pi3 dhcpcd[439]: wlan0: deleting default route via fe80::264b:feff:fe2e:56a0
Nov 30 11:32:16 weewx-pi3 dbus-daemon[733]: [session uid=1000 pid=733] Successfully activated service 'ca.desrt.dconf'
Nov 30 11:34:30 weewx-pi3 systemd[1]: Stopping LSB: weewx weather system...
Nov 30 11:34:31 weewx-pi3 weewx[1284]: Stopping weewx weather system: weewx not running....
Nov 30 11:34:31 weewx-pi3 systemd[1]: weewx.service: Succeeded.
Nov 30 11:34:31 weewx-pi3 systemd[1]: Stopped LSB: weewx weather system.
Nov 30 11:34:31 weewx-pi3 systemd[1]: Starting LSB: weewx weather system...
Nov 30 11:34:31 weewx-pi3 weewx[1307] INFO __main__: Initializing weewx version 4.2.0
Nov 30 11:34:31 weewx-pi3 weewx[1307] INFO __main__: Using Python 3.7.3 (default, Jul 25 2020, 13:03:44) #012[GCC 8.3.0]
Nov 30 11:34:31 weewx-pi3 weewx[1307] INFO __main__: Platform Linux-5.4.72-v7+-armv7l-with-debian-10.6
Nov 30 11:34:31 weewx-pi3 weewx[1307] INFO __main__: Locale is 'fr_BE.UTF-8'
Nov 30 11:34:31 weewx-pi3 weewx[1307] INFO __main__: PID file is /var/run/weewx.pid
Nov 30 11:34:31 weewx-pi3 weewx[1295]: Starting weewx weather system: weewx.
Nov 30 11:34:31 weewx-pi3 systemd[1]: Started LSB: weewx weather system.
Nov 30 11:36:39 weewx-pi3 systemd[1]: Starting Cleanup of Temporary Directories...
Nov 30 11:36:39 weewx-pi3 systemd[1]: systemd-tmpfiles-clean.service: Succeeded.
Nov 30 11:36:39 weewx-pi3 systemd[1]: Started Cleanup of Temporary Directories.

[P C]

Sorry : davis vantage vue and usb data logger

[Graham Eddy]

need to see the weewx log (you showed a snippet of syslog)

[P C]

Hello and thank you for the reply
but, sorry, I don't know where the weewx logs are

In the meantime, I tested with "screen" if the data logger was on the right port and it's ok

good to you

[Tom Keffer]

How to post, and how to find the log.

From your very limited description, I would say that your Vantage is suffering from a classic case of memory corruption. Here are the directions for how to fix it. 

But, without the log, there is no way to be sure.

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[P C]

Hello,
Sorry, super newbie here, I will now think of your solution for log files.
Yes I also thought of console memory corruption and used this solution ... to no avail

[P C]

and new to linux and raspberry - not easy!

[Blaise]

Hello

Voici les fichiers de configuration et de log : https://www.dropbox.com/sh/osg6aiqspyts5ju/AADI6aws4ljAYTUhyP9Pkpqia?dl=0

Le 30-11-20 à 17:20, P C a écrit :

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Garanti sans virus. www.avg.com

[Tom Keffer]

It appears that you are using MySQL, but did not install the client libraries.

See the section Configuring MySQL in the User's Guide.

-tk

To view this discussion on the web visit https://groups.google.com/d/msgid/weewx-user/9ecfcf27-7abc-6561-c1b1-faaaf89ba729%40gmail.com.

[Blaise]

Hello,
I tried installing MySQL according to the reference you gave me ... which doesn't work (I go through the google translator)
"
pi @ pi-meteo: ~ $ sudo apt install mysql-client
Reading Package Lists ... Done
Building the dependency tree
Reading status information ... Done
No version of the mysql-client package is available, but it exists in the database. This usually means that the package is missing, has become obsolete, or is only available from another source.
However, the following packages replace it:
   mariadb-client-10.0

E: The "mysql-client" package has no version that can be installed
pi @ pi-meteo: ~ $ sudo mysql --user = root
sudo: mysql: command not found
"

Le 08-12-20 à 13:56, Tom Keffer a écrit :

It appears that you are using MySQL, but did not install the client libraries.

See the section Configuring MySQL in the User's Guide.

-tk

[Tom Keffer]

Yes. Some Linux distributions have been including mariadb, instead of mysql. You will have to install mariadb instead. 

Honestly, if you do not know how to do that, you should use sqlite instead of mysql/mariadb.

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[Blaise]

Hello,

Yes it is the MariaDb version that I had installed.

The config and syslog files are located in this folder:  https://www.dropbox.com/sh/osg6aiqspyts5ju/AADI6aws4ljAYTUhyP9Pkpqia?dl=0

Therefore :
"screen / dev / ttyUSB0 19200" works as expected.
The weewx database is indeed created with a first and unique registration and sends by FTP to https://cambier.eu/meteo/weewx/
After a reboot, some recordings were added.
The time status is ok: "
pi @ pi-meteo: ~ $ timedatectl status
                Local time: Fri 2020-12-11 10:12:35 CET
            Universal time: Fri 2020-12-11 09:12:35 UTC
                  RTC time: n / a
                 Time zone: Europe / Brussels (CET, +0100)
System clock synchronized: yes
               NTP service: active
           RTC in local TZ: no
"
After 5 minutes 15 minutes of data has been added to https://cambier.eu/meteo/weewx/

This stops at 12/06/20 23:55:00

Yours truly

Le 10-12-20 à 13:51, Tom Keffer a écrit :

Yes. Some Linux distributions have been including mariadb, instead of mysql. You will have to install mariadb instead. 

Honestly, if you do not know how to do that, you should use sqlite instead of mysql/mariadb.

[Tom Keffer]

This appears to be a classic case of memory corruption in your Davis logger. See the section WeeWX generates HTML pages, but it does not update them in the Wiki.

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[Blaise]

Yeah, but it works fine with weatherlink ...

Je regarderais de plus près demain

cordialement
PC

Le 11-12-20 à 14:20, Tom Keffer a écrit :

This appears to be a classic case of memory corruption in your Davis logger. See the section WeeWX generates HTML pages, but it does not update them in the Wiki.

[Blaise]

Ok, here we go again. However, I had already served before.

Do these (small) Vantage Vue consoles have a limited lifespan? Like SD cards with limited rewrite count?

What are your opinions?

To read you,
PC

Le 11-12-20 à 14:20, Tom Keffer a écrit :

This appears to be a classic case of memory corruption in your Davis logger. See the section WeeWX generates HTML pages, but it does not update them in the Wiki.

[Tom Keffer]

You are not giving us much information. What do you mean by "Here we go again"? That the memory in the logger is corrupt again?

If so, did you clear the logger memory as per the instructions in WeeWX generates HTML pages, but it does not update them? 

Earlier, you posted part of the system log. However, it is important that you post the log from startup. Stop weewx, then restart. Post the log from startup through the first reporting cycle. Instructions are in the wiki article.

-tk

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[Blaise]

Oh, translation problem "Here we go again", it is to say that everything starts again normally, that it works.
It seems to me to be a recurring problem on these small consoles (I have two of them) I wanted to know if, like an SD card, their memory has a limited lifespan.
cordially

Le 12-12-20 à 13:15, Tom Keffer a écrit :

You are not giving us much information. What do you mean by "Here we go again"? That the memory in the logger is corrupt again?

If so, did you clear the logger memory as per the instructions in WeeWX generates HTML pages, but it does not update them? 

Earlier, you posted part of the system log. However, it is important that you post the log from startup. Stop weewx, then restart. Post the log from startup through the first reporting cycle. Instructions are in the wiki article.

[Tom Keffer]

OK, now I understand! In English, "Here we go again" is usually referring to a recurring problem! But, I think you are saying that things are working normally. Great!

Generally, the VantageVue is extremely reliable. 

The logger is very reliable, but I have heard of a few failing --- maybe 3 or 4 in the 14 years I've been writing software for them. However, memory corruption is very common. It typically happens when changing the onboard clock. See the section Clock skew. But, if you avoid doing that, corruption problems are very rare. The last one I had on my logger was maybe 5+ years ago.

There is no SD card involved.

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[gjr80]

I have found that power interruptions, whether accidental or intentional, can also be a cause of memory corruption.

Gary

[Tom Keffer]

Big +1 on that. A UPS is essential for reliable 7x24 operation. I have one an an RPi that has been running without a crash for nearly 2 years.

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[Blaise]

Ok, merci à tous !

Le 12-12-20 à 23:34, Tom Keffer a écrit :

Big +1 on that. A UPS is essential for reliable 7x24 operation. I have one an an RPi that has been running without a crash for nearly 2 years.