http://blog.51cto.com/53cto/1728654
http://jiangtie.iteye.com/blog/2263640
http://www.ttlsa.com/tomcat/tomcat-install-and-configure/
http://wiki.jikexueyuan.com/project/tomcat/jsps.html
配置Tomcat以特定的身份运行（非root）
原文：http://blog.51cto.com/sandshell/2152386
