How to test internet speed in ubuntu,fedora and centos

Speedtest-cli is application used for testing internet speeds in centos,fedora and ubuntu

*First install speedtest using wget

wget https://raw.github.com/sivel/speedtest-cli/master/speedtest_cli.py

*Then make it as executable using below command

chmod +x speedtest_cli.py

*Run the below command and test the internet speed

./speedtest_cli.py