libavahi-glib1 software package provides Avahi glib integration library, 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 libavahi-glib1
libavahi-glib1 is installed in your system.
Make ensure the libavahi-glib1 package were installed using the commands given below,
$ sudo dpkg-query -l | grep libavahi-glib1 *
You will get with libavahi-glib1 package name, version, architecture and description in a table
| Distro | Ubuntu 12 04 lts precise pangolin |
| Section | Libraries |
| Package | libavahi-glib1 |
| Version | 0.6.30-5ubuntu2 |
| Description | Avahi glib integration library |
| Sub Section | libs |