haproxy software package provides fast and reliable load balancing reverse proxy, 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 haproxy
haproxy is installed in your system.
Make ensure the haproxy package were installed using the commands given below,
$ sudo dpkg-query -l | grep haproxy *
You will get with haproxy package name, version, architecture and description in a table
| Distro | Ubuntu 12 04 lts precise pangolin |
| Section | Network |
| Package | haproxy |
| Version | 1.4.18-0ubuntu1.2 [amd64, i386 |
| Description | fast and reliable load balancing reverse proxy |
| Sub Section | Net |