sudo apt-get install gnupg1 apt-transport-https dirmngrexport INSTALL_KEY=379CE192D401AB61# Ubuntu versions supported: xenial, bionic# Debian versions supported: jessie, stretch, busterexport DEB_DISTRO=$(lsb_release -sc)sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys $INSTALL_KEYecho "deb https://ookla.bintray.com/debian ${DEB_DISTRO} main" | sudo tee  /etc/apt/sources.list.d/speedtest.listsudo apt-get update# Other non-official binaries will conflict with Speedtest CLI# Example how to remove using apt-get# sudo apt-get remove speedtest-clisudo apt-get install speedtest