Plans for MoodleBox: Bullseye and 64 bit

krause

Hi Nicolas.
is the new version still running with 32 Bits? I found armv7l in the version string
Linux moodlebox 5.10.52-v7l+ #1441 SMP Tue Aug 3 18:11:56 BST 2021 armv7l

And I read that you wanted to update to php 7.4 and mariadb 10.5.
https://github.com/moodlebox/moodlebox/issues/213#issuecomment-899024005

Ralf

Nicolas

krause As stated

Nicolas 32bit bullseye (no 64bit image for now)

(just above).

krause (...) you wanted to update to php 7.4 and mariadb 10.5.

Not me: PHP7.4 and MariaDB 10.5 are standard in bullseye.

Ratna

Nicolas Booted from the test image on a Pi 3 B+.
Raspberry Pi OS version Raspbian GNU/Linux 11 (bullseye) Kernel version Linux 5.10.52-v7+ armv7l MoodleBox version 3.13.0-dev-1 (2021-08-21) MoodleBox plugin version 2.10.0 (2021072700) Moodle version 3.11.2+ (Build: 20210820)

As feared I don't have enough wi-fi devices around. So far got 7 connected, which include a non-smart mobile phone and a printer!
Client IP address and name 10.0.0.163 (*) Client IP address and name 10.0.0.162 (z...) Client IP address and name 10.0.0.80 (X...) Client IP address and name 10.0.0.215 (android-...) Client IP address and name 10.0.0.42 (Samsung-...) Client IP address and name 10.0.0.194 (*) Client IP address and name 10.0.0.65 (x..)

Might be able to get 2-3 more, but not 20 in the near future!

Do you want anything else tested, for example Moodle performance with 5 clients?

Nicolas

Thanks for this feedback.

Ratna Do you want anything else tested, for example Moodle performance with 5 clients?

Moodle performance won't be an issue (long ago I did a load test on a RPi 3B with 200 clients without problem), and is not really impacted by the network connection: the real bottleneck is the number of connected wifi clients.

Anyway, please post on Github any bug/issue with this image.

krause

Hi Nicolas,
I tested to install all the content from my older MoodleBox to the new test version 3.13.0-dev.
You can look at https://discuss.moodlebox.net/d/253-upgrade-to-moodlebox-3110-from-390/5 for this.

Everything works fine with Moodle 3.11.2+, PHP 7.4 and MariaDB 10.5 .... and also my locally installed URL Shortener YOURLS.

But my RTC DS3231 currently does not work. It seem to be a software change in Bullseye. I installed the i2c-tools but I can't get in contact with the RTC.

Ralf

Nicolas

Thank you for this feedback. Did you test several simultaneous wifi connections?

krause But my RTC DS3231 currently does not work. It seem to be a software change in Bullseye. I installed the i2c-tools but I can't get in contact with the RTC.

This is typically what can be expected with an unsupported bullseye system. I'll give it myself a try however.

krause

I found the solution.
The former package python-smbus does not exist in Bullseye. I need to get python3-smbus.

moodlebox@moodlebox:~ $ sudo apt install python3-smbus i2c-tools
....

moodlebox@moodlebox:~ $ sudo i2cdetect -y 1
     0  1  2  3  4  5  6  7  8  9  a  b  c  d  e  f
00:                         -- -- -- -- -- -- -- -- 
10: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 
20: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 
30: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 
40: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 
50: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 
60: -- -- -- -- -- -- -- -- UU -- -- -- -- -- -- -- 
70: -- -- -- -- -- -- -- --                         

moodlebox@moodlebox:~ $ sudo hwclock -r
2021-08-23 13:37:23.367225+02:00
moodlebox@moodlebox:~ $

krause

The wifi seems to be really stable on my Raspberry Pi 4B. Currently there are 6 devices connected with the Moodlebox wifi but I will search for some devices more.

I wonder that the Android tablet shows the wifi regulatory country CH while the MoodleBox dashboard shows DE.

Nicolas

krause I wonder that the Android tablet shows the wifi regulatory country CH while the MoodleBox dashboard shows DE.

This is not normal. MoodleBox dashboard should reflect the correct regulatory country. I'll check for the real release. Thanks for the feedback.

krause

Nicolas
I found the definition for Switzerland in the file /etc/wpa_supplicant/wpa_supplicant.conf.

krause

Hi Nicolas,
I connected up to 10 digital devices to the MoodleBox 3.13.0.-dev-1. The last one had some problems to connect. So I think that this could be the current limit.

In order to make massive demands on the Moodlebox, I made numerous updates. The iOS devices have loaded several apps via the MoodleBox and its ethernet cable. The other devices are Linux notebooks, for whose Puavo operating system an update with 1.5 GB was pending. So within a short period of time, 7 GB were distributed via the MoodleBox.

The Android tablet is also connected to the MoodleBox and has not registered any interruptions over the entire period of 3 hours. It's a great improvement already, but hopefully it gets even better as development continues.

Ralf

Nicolas

krause I found the definition for Switzerland in the file /etc/wpa_supplicant/wpa_supplicant.conf.

No, this is something other (the country when using a RPi as a wifi client).

You can change the regulatory country of the AP (access point) with the form on the MoodleBox dashboard or change manually in /etc/config/hostapd/hostapd.conf and restart the service manually.

Nicolas

Nicolas Edit: A 64bit bullseye test image is now available!

This was maybe unnoticed 😅

Ratna

Nicolas Indeed I missed the 64 bit version! My quick testing of both failed: 32 one did not route, 64 bit somehow did not start. To debug I need to do changes in my "R Pi rack" but at least for a couple of days busy with my main work. Will recheck, hopefully towards the end of the week.

krause

I already downloaded the new MoodleBox image.
And now I'm installing my complete MoodleBox content again. :-)

krause

Hi Nicolas,
I installed the new MoodleBox image with 64bit to test it together with all my normal content.

Today I could connect 9 mobile devices to my MoodleBox running on a Raspberry Pi 4B (4GB RAM). I tried to connect more but on all additional devices I got the same error. "Could not connect."

Again I logged the signal history with my Android WifiAnalyser (com.vrem.wifianalyser). It's open source. You can get it for free from F-Driod. The MoodleBox wifi was stable without any break during the two hours of testing.

Ralf

Nicolas

krause This limit of ca. 10 devices seems to be worked on: https://github.com/iiab/iiab/issues/2853#issuecomment-905713271

krause

Hi Nicolas,
the wifi analyser is logging the MoodleBox signal since more then 10 hours. The Android Tablet is connected to the wifi MoodleBox … without any break.
Ralf

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