命令大全 http://www.runoob.com/linux/linux-command-manual.html
tailf catalina.out 实时查看某个文件
tomcat: ps -ef|grep tomcat kill -9 端口号 ps -ef|grep tomcat ./startup.sh; tailf ../logs/catalina.out
nginx: 停止: ./nginx -s -stop 启动：./nginx
