Linspeed is a small, lightweight Qt application to measure Internet bandwidth in Ubuntu. It usesSpeedOf.Me API to find the accurate speed in seconds.
Also it allows you to copy and share your Internet speed to your friends and Internet Service Provider. This tool is developed by Linoxide Team, and it performs well on Ubuntu.
Source Linspeed Homepage Linoxide: http://linoxide.com/linspeed/
Install Linspeed On Ubuntu 14.10/14.04
32 Bit Machines.
sudo apt-get install gdebi wget http://sourceforge.net/projects/linspeed/files/32Bit/linspeed_1.0_i386.deb sudo gdebi linspeed_1.0_i386.deb
64 Bit Machines.
sudo apt-get install gdebi wget http://sourceforge.net/projects/linspeed/files/64Bit/linspeed_1.0_amd64.deb sudo gdebi linspeed_1.0_amd64.deb