MYSQL 및 MARIA 디비 지우는법 [MYSQL] $ sudo apt-get purge mysql-server $ sudo apt-get purge mysql-common [MARIA] $ sudo apt-get purge mariadb-server $ sudo apt-get purge mariadb-common [공용] $ sudo rm -rf /var/log/mysql $ sudo rm -rf /var/log/mysql.* $ sudo rm -rf /var/lib/mysql $ sudo rm -rf /etc/mysql