linux环境下安装mysql失败

Question

这两天在linux服务器下安装mysql。mysql安装不好
截图如下

各位请指教

Answer 1

yum repolist all |grep mysql查看下数据是否正常安装了，

Answer 2

centos7安装mariadb

sudo yum install mariadb-server mariadb

sudo systemctl start mariadb