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content/SQL/MySQL and MariaDB setup.md

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+## Install MariaDB on Ubuntu 20.04 LTS
+
+```bash
+sudo apt update
+sudo apt install mariadb-server
+sudo mysql_secure_installation
+```
+
+## Access Database from outside
+
+Open `/etc/mysql/mariadb.conf.d/50-server.cnf` and change the `bind-address` to:
+
+```nginx
+...
+bind-address = 0.0.0.0
+...
+```
+
+## Create Administrative User
+
+1. Create a new user `newuser` for the host `localhost` with a new `password`:
+
+```mysql
+CREATE USER 'newuser'@'localhost' IDENTIFIED BY 'password';
+```
+
+2. Grant all permissions to the new user
+
+```mysql
+GRANT ALL PRIVILEGES ON * . * TO 'newuser'@'localhost';
+``` 
+
+3. Update permissions
+
+```mysql
+FLUSH PRIVILEGES;
+```