MySQL-启动双实例

-- install db
/usr/local/mysql56/scripts/mysql_install_db --user=mysql --datadir=/db/data56 --basedir=/usr/local/mysql56

-- start mysql
/usr/local/mysql56/bin/mysqld_safe --defaults-file=/etc/my.cnf.3307 --datadir=/db/data56 --socket=/db/data56/mysql.sock --port=3307 &

-- login
/usr/local/mysql56/bin/mysql --socket=/db/data56/mysql.sock

-- shutdown mysql
/usr/local/mysql56/bin/mysqladmin --socket=/db/data56/mysql.sock shutdown