linux VPS java 环境搭建 及Ubuntu 系统配置及内存优化

http://www.mzone.cc/article/357.html

11.04 jdk7 安装配置

http://blog.csdn.net/ichsonx/article/details/8758289

inux VPS Ubuntu 系统配置指南

http://wiki.ubuntu.org.cn/Vps#.E6.9F.A5.E7.9C.8B.E5.86.85.E5.AD.98.E5.89.A9.E4.BD.99.E5.A4.A7.E5.B0.8F

tomcat 内存优化

http://www.outshine.cn/entry/vps_jdk_tomcat_mysql.html