Install PHP + Apache + MySql

- sudo apt update && sudo apt install apache2

Config firewall to allow ssh connections:
- sudo ufw allow OpenSSH
- sudo ufw allow in "Apache Full"
- sudo ufw enable

Install Mysql:
- sudo apt update && sudo apt install mysql-server
- sudo mysql_secure_installation

Install PHP:
- sudo apt update && sudo apt install php libapache2-mod-php php-mysql
- sudo apt-get install php7.2-intl

PHP / Apache: Set Max File Upload and Post Size:
- sudo nano /etc/php/7.2/apache2/php.ini

Set values:
upload_max_filesize = 64M
post_max_size = 64M

Restart apache:
- sudo systemctl restart apache2

Install PHPMyAdmin:
- sudo apt update && sudo apt install phpmyadmin

Create Mysql User:
- sudo mysql -p -u root
Mysql commands:
- CREATE USER 'pmauser'@'%' IDENTIFIED BY 'password_here';
- GRANT ALL PRIVILEGES ON *.* TO 'pmauser'@'%' WITH GRANT OPTION;

Install Composer: 
- curl -sS https://getcomposer.org/installer | sudo php -- --install-dir=/usr/local/bin --filename=composer

Install Redis:
- sudo apt-get install redis-server
- sudo systemctl enable redis-server.service

Install Supervisor following this page:
https://pinoylearnpython.com/supervisor-installation-and-configuration-on-ubuntu-18-04-lts/

RUN SUPERVISOR AS A SERVICE:
https://cloudwafer.com/blog/how-to-install-and-configure-supervisor-on-ubuntu-16-04/

Try it with:
- systemctl status supervisord.service
- systemctl start supervisord.service

Run supervisorctl:
- sudo supervisorctl reload

If we are going to work with sockets we have to open ports using:  
- sudo ufw allow 6001/tcp // to use 6001 port with SocketIo

If we are working with laravel-echo-server we ahve to install it globally.
To config socket with ssl follow this:
https://stackoverflow.com/questions/56866032/configuring-apache-reverse-proxy-for-hosting-laravel-echo-server-on-production/56934080#56934080

We have to enable proxy and proxy_http with:
- sudo a2enmod proxy
- sudo a2enmod proxy_http
- sudo service apache2 restart