centos7.x安装mysql5.6时执行：
rpm -ivh MySQL-server-5.6.28-1.el6.x86_64.rpm
报错：
warning: MySQL-server-5.6.28-1.el6.x86_64.rpm: Header V3 DSA/SHA1 Signature, key ID 5072e1f5: NOKEY
error: Failed dependencies:
libnuma.so.1()(64bit) is needed by MySQL-server-5.6.28-1.el6.x86_64
libnuma.so.1(libnuma_1.1)(64bit) is needed by MySQL-server-5.6.28-1.el6.x86_64
libnuma.so.1(libnuma_1.2)(64bit) is needed by MySQL-server-5.6.28-1.el6.x86_64
错误原因：缺失依赖包
安装依赖：
yum install numactl