Purpose: I wanted to use OpenID Authentication to restrict access to a few directories on my apache server
First download the installer from github
wget https://github.com/pingidentity/mod_auth_openidc/releases/download/v1.8.7/libapache2-mod-auth-openidc_1.8.7-1ubuntu1.trusty.1_amd64.deb
Install the package
sudo dpkg -i libapache2-mod-auth-openidc_1.8.7-1ubuntu1.trusty.1_amd64.deb
Install Dependencies
sudo apt-get install -f
Enable the module for apache
sudo a2enmod auth_openidc
Restart Apache
service apache2 restart