为什么无法安装mysql

Job for mysqld.service failed because the control process exited with error code. see "systemctl status mysqld.service" and "journalctl -xe" for details

给/var/lib/mysql试试

chown -R mysql:mysql /var/lib/mysql

https://www.cnblogs.com/ivictor/p/5146247.html

不知道你是在什么环境下安装的MYSQL