远程访问阿里服务器，配置pycuda 出现的各种bug

问题1：
CentOS安装 gcc: error trying to exec 'cc1plus': execvp: No such file or directory
办法：执行yum install gcc gcc-c++后，问题解决

问题2：
src/cpp/cuda.hpp:14:18: fatal error: cuda.h: No such file or directory
#include <cuda.h>

办法：查看https://codeyarns.com/2015/07/31/pip-install-error-with-pycuda/

问题3：
ssh设置超时时间：
https://blog.csdn.net/donghustone/article/details/83054138

问题4：
ImportError: libSM.so.6: cannot open shared object file: No such file or directory

解决办法：centos系统：yum install -y python-qt4
         ubuntu系统：https://blog.csdn.net/roxxo/article/details/87166706

问题5：配置nginx
https://www.runoob.com/linux/nginx-install-setup.html