WordPress into LAMP stack server on Ubuntu 18.04

wordpress.sh

#!/bin/sh

mysql -u root -p
CREATE DATABASE wordpressdb DEFAULT CHARACTER SET utf8 COLLATE utf8_unicode_ci; 
GRANT ALL ON wordpress.* TO 'wordpressuser'@'localhost' IDENTIFIED BY 'password';
FLUSH PRIVILEGES;
EXIT:

sudo nano /etc/apache2/sites-available/wordpress.conf

<Directory /var/www/wordpress/>
    AllowOverride All
</Directory>

sudo a2enmod rewrite
sudo apache2ctl configtest
sudo systemctl restart apache2

cd /tmp
curl -O https://wordpress.org/latest.tar.gz
tar xzvf latest.tar.gz
touch /tmp/wordpress/.htaccess
mv /tmp/wordpress/wp-config-sample.php /tmp/wordpress/wp-config.php
mkdir /tmp/wordpress/wp-content/upgrade
rm -rf /var/www/html
sudo cp -a /tmp/wordpress/. /var/www/wordpress
sudo chown -R sarif:www-data /var/www/wordpress
sudo find /var/www/wordpress/ -type d -exec chmod 750 {} \;
sudo find /var/www/wordpress/ -type f -exec chmod 640 {} \;
curl -s https://api.wordpress.org/secret-key/1.1/salt/

sudo nano /var/www/wordpress/wp-config.php

define('DB_NAME', 'wordpress');

/** MySQL database username */
define('DB_USER', 'wordpressuser');

/** MySQL database password */
define('DB_PASSWORD', 'password');


define('FS_METHOD', 'direct');


define('AUTH_KEY',         'VALUES COPIED FROM THE COMMAND LINE');
define('SECURE_AUTH_KEY',  'VALUES COPIED FROM THE COMMAND LINE');
define('LOGGED_IN_KEY',    'VALUES COPIED FROM THE COMMAND LINE');
define('NONCE_KEY',        'VALUES COPIED FROM THE COMMAND LINE');
define('AUTH_SALT',        'VALUES COPIED FROM THE COMMAND LINE');
define('SECURE_AUTH_SALT', 'VALUES COPIED FROM THE COMMAND LINE');
define('LOGGED_IN_SALT',   'VALUES COPIED FROM THE COMMAND LINE');
define('NONCE_SALT',       'VALUES COPIED FROM THE COMMAND LINE');


sudo  systemctl restart apache2
sudo  systemctl status apache2