That was a typo, my bad.
this are the commands I have run :
sudo apt update
sudo apt upgrade -y
sudo apt-get install libaio1 libmecab2 libclass-methodmaker-perl wget python-paramiko -y
mkdir ~/cluster
cd cluster
wget
https://cdn.mysql.com//Downloads/MySQL-Cluster-7.6/mysql-cluster_7.6.7-1ubuntu18.04_amd64.deb-bundle.tar
tar -xvf mysql-cluster_7.6.7-1ubuntu18.04_amd64.deb-bundle.tar
sudo dpkg -i mysql-common_7.6.7-1ubuntu18.04_amd64.deb
sudo dpkg -i mysql-cluster-community-client_7.6.7-1ubuntu18.04_amd64.deb
sudo dpkg -i mysql-client_7.6.7-1ubuntu18.04_amd64.deb
sudo dpkg -i mysql-cluster-community-server_7.6.7-1ubuntu18.04_amd64.deb
sudo dpkg -i mysql-cluster-community-data-node_7.6.7-1ubuntu18.04_amd64.deb
sudo dpkg -i mysql-cluster-community-management-server_7.6.7-1ubuntu18.04_amd64.deb
sudo dpkg -i mysql-cluster-community-auto-installer_7.6.7-1ubuntu18.04_amd64.deb
sudo dpkg -i mysql-cluster-community-java_7.6.7-1ubuntu18.04_amd64.deb
sudo usermod -aG mysql ubuntu
sudo init 6
sudo chmod -R 775 /var/lib/mysql
sudo chmod -R 775 /var/log/mysql
sudo passwd ubuntu