lft software package provides layer-four traceroute, you can install in your Ubuntu 12.04 LTS (Precise Pangolin) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install lft
lft is installed in your system.
Make ensure the lft package were installed using the commands given below,
$ sudo dpkg-query -l | grep lft *
You will get with lft package name, version, architecture and description in a table
| Distro | Ubuntu 12 04 lts precise pangolin |
| Section | Network |
| Package | lft |
| Version | 2.2-4 |
| Description | layer-four traceroute |
| Sub Section | Net |