libapache2-mod-auth-pubtkt software package provides key-based single-sign-on authentication module for Apache, you can install in your Ubuntu 14.04 LTS (Trusty Tahr) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install libapache2-mod-auth-pubtkt
libapache2-mod-auth-pubtkt is installed in your system.
Make ensure the libapache2-mod-auth-pubtkt package were installed using the commands given below,
$ sudo dpkg-query -l | grep libapache2-mod-auth-pubtkt *
You will get with libapache2-mod-auth-pubtkt package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | Web Servers |
| Package | libapache2-mod-auth-pubtkt |
| Version | 0.8-3 |
| Description | key-based single-sign-on authentication module for Apache |
| Sub Section | httpd |