上传ssh公钥，然后谷歌如何开启密码登录 https://clients.rcp.net/knowledgebase/2/How-to-upload-SSH-Public-Key-for-my-instance.html
/**
* Linux常用命令：cat file1 file2 ... | command file1_in.txt_or_file1_out.txt general syntax for text manipulation using PIPE, STDIN and STDOUT
* 不是别人，是我，承认了你的价值
* Link https://greasyfork.org/zh-CN/scripts/396933-hostloc-zsbd
*/
