wget https://mirrors.tuna.tsinghua.edu.cn/mysql/yum/mysql56-community-el7/mysql-community-client-5.6.41-2.el7.x86_64.rpm
wget https://mirrors.tuna.tsinghua.edu.cn/mysql/yum/mysql56-community-el7/mysql-community-common-5.6.41-2.el7.x86_64.rpm
wget https://mirrors.tuna.tsinghua.edu.cn/mysql/yum/mysql56-community-el7/mysql-community-devel-5.6.41-2.el7.x86_64.rpm
wget https://mirrors.tuna.tsinghua.edu.cn/mysql/yum/mysql56-community-el7/mysql-community-embedded-devel-5.6.41-2.el7.x86_64.rpm
wget https://mirrors.tuna.tsinghua.edu.cn/mysql/yum/mysql56-community-el7/mysql-community-libs-5.6.41-2.el7.x86_64.rpm
wget https://mirrors.tuna.tsinghua.edu.cn/mysql/yum/mysql56-community-el7/mysql-community-server-5.6.41-2.el7.x86_64.rpm
安装common包时可能报与mariadb-libs依赖冲突，解决方案：
#列出所有被安装的rpm package
rpm -qa | grep mariadb
#卸载
rpm -e --nodeps mariadb-libs-5.5.56-2.el7.x86_64
详细请参考https://blog.csdn.net/kwame211/article/details/76011421
yum localinstall mysql-community-common-5.6.41-2.el7.x86_64.rpm
yum localinstall mysql-community-libs-5.6.41-2.el7.x86_64.rpm
yum localinstall mysql-community-devel-5.6.41-2.el7.x86_64.rpm
yum localinstall mysql-community-embedded-devel-5.6.41-2.el7.x86_64.rpm
yum localinstall mysql-community-client-5.6.41-2.el7.x86_64.rpm
yum localinstall mysql-community-server-5.6.41-2.el7.x86_64.rpm
systemctl start mysql
来源：oschina
链接：https://my.oschina.net/u/110322/blog/1926262