If you have issues with the network speed (Download/Upload) of your server, please perform the following while the server is booted in rescue, and send us the output so that we can check this thank you:

 Install the package "iperf3": under Ubuntu or Debian it would be this command:

apt-get -y install iperf3

Once the installation is complete, start your test by following these instructions: https://speedtest.myloc.de/