vi my.cnf [mysqld] ssl-ca = /home/mysql/fullchain3.pem ssl-key = /home/mysql/privkey3.pem ssl-cert = /home/mysql/cert3.pem service restart mysqld or mariadb MariaDB [(none)]> show variables like '%ssl%'; +---------------------+-----------------------------+ | Variable_name | Value | +---------------------+-----------------------------+ | have_openssl | YES | | have_ssl | DISABLED | | ssl_ca | /h..