====== MariaDB ======
[[https://blog.programs74.ru/how-to-install-mariadb-10-5-on-debian-10/]]
apt-get install -y mariadb-server libmariadbclient-dev libmariadbclient-dev-compat
systemctl status mariadb
sudo mysql_secure_installation
-- It does not ask me for any password
sudo mysql
-- Then in MariaDB/MySQL console:
UPDATE mysql.user SET plugin = 'mysql_native_password' WHERE USER='root';
FLUSH PRIVILEGES;
exit;
[[https://galeracluster.com/library/documentation/galera-manager-monitoring-clusters.html]]
[[https://galeracluster.com/library/documentation/galera-manager.html]]
[[https://bogachev.biz/2017/03/28/neskolko-sposobov-vosstanovleniya-mariadb-galera-cluster/]]
[[https://galeracluster.com/library/documentation/arbitrator.html]]
[[https://stackoverflow.com/a/68738293| fix [Warning] [MY-013360] [Server] Plugin sha256_password reported]]