Инсталляция NodeJS

...

(Ubuntu)

sudo apt-get install curl
curl -sL https://deb.nodesource.com/setup_16.x | sudo -E bash -
sudo apt-get install nodejs
sudo npm i n -g

...

grant all privileges on database mysales to mysales;

sudo systemctl restart postgresql

Инсталляция MySql (Ubuntu)

sudo apt update
sudo apt upgrade
sudo apt install mysql-server
sudo mysql_secure_installation

Смотрим еще эту инструкцию: https://stackoverflow.com/questions/51803216/lower-case-table-names-settings-in-mysql-8-0-12

Заходим в MySql:

sudo mysql

SET GLOBAL validate_password.policy=LOW;

alter user 'root'@'localhost' identified by '7qaskfhb&#!823DD';

create database demo;

CREATE USER 'mystorage'@'localhost' identified by 'mystorage';

GRANT ALL PRIVILEGES ON demo.* To 'mystorage'@'localhost';

exit

mysql -u root -p demo < demo_dump.sql