linux mysql yum安装错误解决

错误：

[root@localhost ~]# service mysqld start
Redirecting to /bin/systemctl start mysqld.service

解决方案：

1 wget http://dev.mysql.com/get/mysql-community-release-el7-5.noarch.rpm

2 rpm -ivh mysql-community-release-el7-5.noarch.rpm

3 yum install mysql-community-server