#Install it
sudo apt install speedtest-cli
#To run net speed
speedtest-cli
#result as follows:
Testing download speed................................................................................
Download: 9.54 Mbit/s
Testing upload speed......................................................................................................
Upload: 14.61 Mbit/s
sudo apt-get install gnupg1 apt-transport-https dirmngr
export INSTALL_KEY=379CE192D401AB61
sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys $INSTALL_KEY
echo "deb https://ookla.bintray.com/debian generic main" | sudo tee /etc/apt/sources.list.d/speedtest.list
sudo apt-get update
# Other non-official binaries will conflict with Speedtest CLI
# Example how to remove using apt-get
# sudo apt-get remove speedtest-cli
sudo apt-get install speedtest
speedtest