1.apt-cache search 搜索mysql资源
sudo apt-cache search mysql
2.apt-get install 例如安装mysql5.6，需要
mysql-server-5.6 mysql-client-5.6 mysql-common-5.6资源
sudo apt-get install mysql-server-5.6 mysql-client-5.6 mysql-common-5.6
原文：http://www.cnblogs.com/wangmin0216/p/6193928.html