# 彻底卸载 MySQL 及其残留配置
sudo apt purge mysql-server mysql-client mysql-common mysql-server-core-* mysql-client-core-*
sudo rm -rf /var/lib/mysql /etc/mysql
# 修复 dpkg 状态
sudo dpkg --configure -a
# 彻底卸载 MySQL 及其残留配置
sudo apt purge mysql-server mysql-client mysql-common mysql-server-core-* mysql-client-core-*
sudo rm -rf /var/lib/mysql /etc/mysql
# 修复 dpkg 状态
sudo dpkg --configure -a