Raspbian

apt-get install git apache2 php5 php5-mysql mysql-server

mysql-server is not required if you are hosting the database elsewhere.

cd /var/www
git clone https://github.com/g613/asterisk-cdr-viewer cdr
cp cdr/contrib/httpd/asterisk-cdr-viewer.conf /etc/apache2/conf.d/

Eidt the following file as required

vi  /var/www/cdr/include/config.inc.php
vi /etc/apache2/conf.d/asterisk-cdr-viewer.conf

When performing some tasks it may take longer than the default 30 second timeout of PHP.
Increase max_execution_time

vi /etc/php5/apache2/php.ini

service apache2 restart

CentOS

yum -y install git httpd php php-mysql mysql-server

mysql-server is not required if you are hosting the database elsewhere.

cd /var/www/html
git clone https://github.com/g613/asterisk-cdr-viewer cdr
cp cdr/contrib/httpd/asterisk-cdr-viewer.conf /etc/httpd/conf.d/

Eidt the following file as required.

vi  /var/www/html/cdr/include/config.inc.php
vi /etc/httpd/conf.d/asterisk-cdr-viewer.conf

When performing some tasks it may take longer than the default 30 second timeout of PHP.
Increase max_execution_time

vi /etc/php.ini

service httpd restart