CentOS7下解决yum install mysql-server没有可用包的问题

# wget http://repo.mysql.com/mysql-community-release-el7-5.noarch.rpm

-- http://repo.mysql.com/mysql-community-release-el7-5.noarch.rpm

正在解析主机 repo.mysql.com (repo.mysql.com)... 23.4.241.142
正在连接 repo.mysql.com (repo.mysql.com)|23.4.241.142|:80... 已连接。
已发出 HTTP 请求，正在等待回应... 200 OK
长度：6140 (6.0K) [application/x-redhat-package-manager]
正在保存至: “mysql-community-release-el7-5.noarch.rpm”
100%[======================================>] 6,140 --.-K/s 用时 0s

(467 MB/s) - 已保存 “mysql-community-release-el7-5.noarch.rpm” [6140/6140])

# ls

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

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

准备中... ################################# [100%]
正在升级/安装...
mysql-community-release-el7-5 ################################# [100%]

# ls -1 /etc/yum.repos.d/mysql-community*

/etc/yum.repos.d/mysql-community.repo
/etc/yum.repos.d/mysql-community-source.repo

# yum install mysql-server