Shell script zm install

This is the contents of the shell script to install the latest Zoneminder from the PPA on Ubuntu 16.04.

#!/bin/sh
clear
read -p "This script installs the latest Zoneminder from the PPA for Ubuntu 16.04...Press Enter to continue or Ctrl + c to quit" nothing
clear
read -p "Next enter your user password after pressing enter to continue" nothing
sudo apt-get update
sudo apt-get -y install mariadb-server mariadb-client apache2 php7.0 libapache2-mod-php7.0 php7.0-mysql php7.0-curl php7.0-gd php7.0-intl php-pear php-imagick php7.0-imap php7.0-mcrypt php-memcache  php7.0-pspell php7.0-recode php7.0-sqlite3 php7.0-tidy php7.0-xmlrpc php7.0-xsl php7.0-mbstring php-gettext php-apcu
clear
read -p "Next secure mariadb server by entering requested information. Press enter to continue" nothing
sudo mysql_secure_installation
read -p "Next we will add the PPA repository. Press enter to continue" nothing
sudo add-apt-repository ppa:iconnor/zoneminder
sudo apt-get update
sudo apt-get -y install zoneminder php-gd
sudo chmod 740 /etc/zm/zm.conf
sudo chown root:www-data /etc/zm/zm.conf
sudo adduser www-data video
sudo a2enmod cgi
sudo a2enconf zoneminder
sudo a2enmod rewrite
sudo chown -R www-data:www-data /usr/share/zoneminder/
sudo systemctl enable zoneminder
sudo service zoneminder start
clear
read -p "Next we will add timezone yo PHP. Nano will open, search for :date.timezone = and make it look like date.timezone = America/New_York Press enter to continue" nothing
sudo nano /etc/php/7.0/apache2/php.ini
sudo service apache2 reload
clear
read -p "Open Zoneminder in a web browser (http://server-ip/zm). Click on Options - Paths and change PATH_ZMS to /zm/cgi-bin/nph-zms Click the Save button. Press enter to continue" nothing
clear
read -p " if you plan to use the API go to https://wiki.zoneminder.com/Ubuntu_Server_16.04_64-bit_with_Zoneminder_1.30.0_the_easy_way and follow the instructions for the API fix. Press Enter to finish." nothing