creación virtual-machine

desde https://osboxes.org descargar Ubuntu Server 18.04 LTS
configurar nueva máquina en VirtualBox con el disco duro descargado
ajustar tarjeta red
- Network:
  - nat
  - bridge
inicio VM
- user: osboxes, pass: osboxes.org
reconfiguración teclado
- sudo dpkg-reconfigure keyboard-configuration
  - spanish
- reboot
añadir usuario con permisos root
- sudo adduser <nombre>
- sudo usermod -aG sudo <nombre>

configurar la red del servidor

sudo nano /etc/netplan/50-cloud-init.yaml → sudo nano /etc/cloud/cloud.cfg/99-disable-network-config.cfg
```
network: { config:disabled }
```
más info: https://netplan.io

sudo nano /etc/netplan/50-cloud-init.yaml

network:
    ethernets:
        enp0s3:
          addresses: []
          dhcp4: true
          optional: true
        enp0s8:
          addresses: []
          dhcp4: true
          optional: true
    version: 2

netplan apply → ifconfig
sudo apt install openssh-server

instalar MySQL

sudo apt install mysql-server

sudo mysql

ALTER USER 'root'@'localhost' IDENTIFIED WITH mysql_native_password BY '1234';

sudo mysql -u root -p

GRANT ALL PRIVILEGES ON *.* TO 'root'@'%' INDENTIFIED BY 'password' WITH GRANT OPTION;
FLUSH PRIVILEGES;

sudo nano /etc/mysql/mysql.conf.d/mysqld.cnf → comentar bind-address → sudo service mysql restart