Automate the Setup of LAMP, WordPress, and Let's Encrypt on CentOS 9 Stream

Here's a sample bash script that automates the setup of LAMP (Linux, Apache, MySQL, PHP), WordPress, and installs a Let's Encrypt SSL certificate on CentOS 9 Stream:

Prompt

#!/bin/bash # Prompt for domain name read -p "Enter your domain name (e.g., example.com): " domain # Prompt for www. variant read -p "Enter the www. variant of your domain (e.g., www.example.com): " www_domain # Update system packages sudo dnf update -y # Install Apache, MySQL/MariaDB, PHP, and other required packages sudo dnf install -y httpd mariadb-server php php-mysqlnd php-json php-gd php-mbstring # Start and enable Apache and MariaDB services sudo systemctl start httpd sudo systemctl enable httpd sudo systemctl start mariadb sudo systemctl enable mariadb # Secure MariaDB installation sudo mysql_secure_installation # Create a new MariaDB database and user for WordPress sudo mysql -u root -p <<MYSQL_SCRIPT CREATE DATABASE wordpress; CREATE USER 'wordpressuser'@'localhost' IDENTIFIED BY 'password'; GRANT ALL PRIVILEGES ON wordpress.* TO 'wordpressuser'@'localhost'; FLUSH PRIVILEGES; EXIT; MYSQL_SCRIPT # Install Certbot for Let's Encrypt sudo dnf install -y certbot python3-certbot-apache # Obtain and install SSL certificate using Certbot sudo certbot --apache -d "$domain" -d "$www_domain" # Download and extract WordPress cd /var/www/html sudo wget -c http://wordpress.org/latest.tar.gz sudo tar -xzvf latest.tar.gz sudo mv wordpress/* . sudo chown -R apache:apache /var/www/html sudo chmod -R 755 /var/www/html # Configure virtual host for the domain sudo cp /etc/httpd/conf.d/welcome.conf /etc/httpd/conf.d/"$domain".conf sudo sed -i "s:/var/www/html:/var/www/html/:" /etc/httpd/conf.d/"$domain".conf sudo sed -i "s:ServerName.*:ServerName $domain:" /etc/httpd/conf.d/"$domain".conf sudo sed -i "s:ServerAlias.*:ServerAlias $www_domain:" /etc/httpd/conf.d/"$domain".conf # Restart Apache to apply changes sudo systemctl restart httpd # Optimize PHP and Apache sudo sed -i 's/;date.timezone =.*/date.timezone = UTC/' /etc/php.ini sudo sed -i 's/memory_limit = 128M/memory_limit = 256M/' /etc/php.ini sudo sed -i 's/max_execution_time = 30/max_execution_time = 60/' /etc/php.ini sudo sed -i 's/upload_max_filesize = 2M/upload_max_filesize = 64M/' /etc/php.ini sudo sed -i 's/post_max_size = 8M/post_max_size = 64M/' /etc/php.ini # Display setup completion message echo "LAMP, WordPress, Let's Encrypt, virtual host, and optimization setup is complete!"