install_wp.sh

#!/bin/bash

# ==============================================================================
#           Configuration Variables - Edit these values as needed
# ==============================================================================
DB_NAME="wordpress"
DB_USER="wordpressuser"
DB_PASSWORD="your_strong_password"
WP_URL="https://wordpress.org/latest.tar.gz"
WP_DIR="/var/www/html"
# ==============================================================================

# Update system packages
echo "--- Updating system packages ---"
sudo apt update -y
sudo apt upgrade -y

# Install Apache
echo "--- Installing Apache2 ---"
sudo apt install -y apache2

# Install MySQL and secure installation (non-interactive)
echo "--- Installing MySQL Server and securing it ---"
sudo debconf-set-selections <<< "mysql-server mysql-server/root_password password $DB_PASSWORD"
sudo debconf-set-selections <<< "mysql-server mysql-server/root_password_again password $DB_PASSWORD"
sudo apt install -y mysql-server
sudo mysql_secure_installation --use-default --password=$DB_PASSWORD

# Install PHP and required modules
echo "--- Installing PHP and required modules ---"
sudo apt install -y php libapache2-mod-php php-mysql php-cli php-curl php-gd php-mbstring php-xml php-xmlrpc php-soap php-intl php-zip

# Restart Apache to load PHP module
echo "--- Restarting Apache2 ---"
sudo systemctl restart apache2

# Create MySQL database and user for WordPress
echo "--- Creating MySQL database and user ---"
sudo mysql -u root -p"$DB_PASSWORD" <<EOF
CREATE DATABASE $DB_NAME;
CREATE USER '$DB_USER'@'localhost' IDENTIFIED BY '$DB_PASSWORD';
GRANT ALL PRIVILEGES ON $DB_NAME.* TO '$DB_USER'@'localhost';
FLUSH PRIVILEGES;
EOF

# Download, extract, and configure WordPress
echo "--- Downloading and configuring WordPress ---"
cd /tmp
wget $WP_URL
tar -xzvf latest.tar.gz
sudo rsync -avP /tmp/wordpress/ "$WP_DIR/"
sudo chown -R www-data:www-data "$WP_DIR/"
sudo find "$WP_DIR/" -type d -exec chmod 755 {} \;
sudo find "$WP_DIR/" -type f -exec chmod 644 {} \;

# Create wp-config.php and replace placeholders
echo "--- Generating wp-config.php file ---"
cd "$WP_DIR/"
sudo cp wp-config-sample.php wp-config.php
sudo sed -i "s/database_name_here/$DB_NAME/g" wp-config.php
sudo sed -i "s/username_here/$DB_USER/g" wp-config.php
sudo sed -i "s/password_here/$DB_PASSWORD/g" wp-config.php

# ------------------------------------------------------------------------------
# NEW: Configure Apache to serve WordPress
# ------------------------------------------------------------------------------
echo "--- Configuring Apache Virtual Host for WordPress ---"

# Create a new Apache configuration file for WordPress
# Note: You can customize the file name if you want, e.g., yourdomain.conf
APACHE_CONF_FILE="wordpress.conf"
sudo bash -c "cat > /etc/apache2/sites-available/$APACHE_CONF_FILE" <<EOF
<VirtualHost *:80>
    ServerAdmin webmaster@localhost
    DocumentRoot $WP_DIR

    ErrorLog \${APACHE_LOG_DIR}/error.log
    CustomLog \${APACHE_LOG_DIR}/access.log combined

    <Directory $WP_DIR>
        Options Indexes FollowSymLinks
        AllowOverride All
        Require all granted
    </Directory>
</VirtualHost>
EOF

# Disable the default Apache site
sudo a2dissite 000-default.conf

# Enable the new WordPress site
sudo a2ensite "$APACHE_CONF_FILE"

# Enable the Apache Rewrite module, which is required for WordPress permalinks
sudo a2enmod rewrite

# Restart Apache to apply all new changes
echo "--- Restarting Apache2 to apply new configuration ---"
sudo systemctl restart apache2

# ------------------------------------------------------------------------------
# END of new code block
# ------------------------------------------------------------------------------

echo "--- Installation complete! ---"
echo "You can now navigate to your server's IP address in a web browser to complete the WordPress setup."
echo "Your database credentials are: DB_NAME=$DB_NAME, DB_USER=$DB_USER, DB_PASSWORD=$DB_PASSWORD"