A.mysqldump navy2test >/data/test.sqlB.mysql navy2test >/data/test.sqlC.output navy2test >/data/test.sqlD.navy2test >/data/test.sql
A.firewalld -add-port 3306/tcp --permanentB.firewall-cmd -add-port 3306/tcp --permanentC.firewall -add-port 3306/tcp --permanentD.firewall-cmd -add-port 3306/tcp
A.firewall-cmd -add-service mysql --permanentB.firewall-cmd -add-service mysqlC.firewall-cmd -add-service mysqld --permanentD.firewalld -add-service mysql --permanent