Installing WordPress on Google Cloud f1 Instance:

Step 1: Create a Compute Engine Instance

Log in to Google Cloud Console.

• Navigate to Compute Engine > VM instances and click on “Create Instance”.
• Provide a name for your instance, select the desired region and zone.
• Choose machine type f1-micro, suitable for low-resource requirements and eligible for Google Cloud’s free tier.

Step 2: Set Up LAMP Stack (Linux, Apache, MySQL, PHP)

Connect to your instance via SSH using Google Cloud Console or a SSH client.

• Update package lists to ensure you have the latest versions available: sudo apt update.
• Install Apache web server: sudo apt install apache2.
• Install MySQL database server: sudo apt install mysql-server.
• Secure MySQL installation with sudo mysql_secure_installation and follow the prompts to set a root password and secure your database server.
• Install PHP and necessary modules: sudo apt install php libapache2-mod-php php-mysql.

Step 3: Download and Configure WordPress

• Download the latest WordPress release using wget command: wget https://wordpress.org/latest.tar.gz.
• Extract the downloaded archive: tar -zxvf latest.tar.gz.
• Move the extracted WordPress files to Apache’s web root directory: sudo mv wordpress/* /var/www/html/.
• Set appropriate ownership and permissions for WordPress files: sudo chown -R www-data:www-data /var/www/html/.
• Rename the sample configuration file to wp-config.php: sudo mv /var/www/html/wp-config-sample.php /var/www/html/wp-config.php.
• Edit wp-config.php to include your MySQL database details:

define('DB_NAME', 'wordpress');
define('DB_USER', 'wordpressuser');
define('DB_PASSWORD', 'password');
define('DB_HOST', 'localhost');

Step 4: Complete WordPress Installation

• Open a web browser and navigate to your instance’s IP address or domain name.
• You should see the WordPress installation wizard.
• Choose your language and click “Let’s go!” to enter your database details.
• Enter the database name (wordpress), username (wordpressuser), password (set earlier), and database host (localhost).
• Click “Submit” and then “Run the installation”.
• Provide your site title, username, password, and email address for the WordPress administrator account.
• Click “Install WordPress” to complete the installation. You’ll see a success message once WordPress is installed.

Error Resolution: wordpress-certified Resource Level Errors

Step 1: Identify the Error

If encountering errors like ‘wordpress-certified has resource level errors’, carefully review the error message displayed in Google Cloud Console.

Step 2: Resolve the Error

• Check the error details, such as invalid machine type (g1-small) not existing in the selected zone (me-central1-a).
• Navigate to Google Cloud Console and verify machine type availability in the desired zone.
• Select a valid machine type like f1-micro that meets your resource requirements and is available in your chosen zone.
• Update the instance configuration accordingly and retry instance creation.

Follow these detailed steps to successfully install WordPress on various instances, ensuring a smooth setup process and effective error resolution.