Server on install:

Ubuntu 20.04, HDD 20GB, 1Gbps, with apache2, php installed.

Download install script & install

wget https://install.speedtest.net/ooklaserver/ooklaserver.sh
chmod +x ooklaserver.sh
./ooklaserver.sh install

For managing daemon:

./ooklaserver.sh start
./ooklaserver.sh restart
./ooklaserver.sh stop

Installing http legacy fallback:

http://install.speedtest.net/httplegacy/http_legacy_fallback.zip

unzip on your speedtest folder so you can access it when you open:

https://speedtest.yourdomain.com/speedtest/upload.php

Then check your installation on:

https://www.ookla.com/host-tester

If thereis no error , register account on Ookla and submit your speedtest server above.

https://account.ookla.com/register/servers?step=1

For now, ookla require both IPv4 & IPv6 address to being partner.

Done.