一、跟jdk一样，还是得上传tomcat安装包
二、如何运行？到bin目录下（tomcat/bin）：sh startup.sh
三、出现报错：
Cannot find ./catalina.sh
The file is absent or does not have execute permission
This file is needed to run this program
原因是权限问题，需输入命令：chmod +x *.sh
然后再输入：sh catalina.sh
然后sh startup.sh就可以运行了
