首先上传文件至对应位置，并且解压

下载依赖

http://archive.ubuntu.com/ubuntu/pool/main/m/mecab/libmecab2_0.996-10build1_amd64.deb

顺序执行 （根据自身文件对应执行）

dpkg -i mysql-community-client-plugins_8.0.31-1ubuntu20.04_amd64.deb

dpkg -i mysql-community-client-core_8.0.31-1ubuntu20.04_amd64.deb 
dpkg -i mysql-common_8.0.31-1ubuntu20.04_amd64.deb 
dpkg -i mysql-community-client_8.0.31-1ubuntu20.04_amd64.deb 
dpkg -i libmysqlclient21_8.0.31-1ubuntu20.04_amd64.deb 
dpkg -i libmysqlclient-dev_8.0.31-1ubuntu20.04_amd64.deb 
dpkg -i mysql-client_8.0.31-1ubuntu20.04_amd64.deb 
dpkg -i libmecab2_0.996-10build1_amd64.deb 
dpkg -i mysql-community-server-core_8.0.31-1ubuntu20.04_amd64.deb 
dpkg -i mysql-community-server_8.0.31-1ubuntu20.04_amd64.deb 
dpkg -i mysql-server_8.0.31-1ubuntu20.04_amd64.deb 
 

完成后查看状态

mysql -V   数据库版本
systemctl status mysql  数据库状态

mysql -uroot -p  连接数据库