参考链接:https://blog.youkuaiyun.com/shishui07/article/details/52701595
1,将awsssh.pem文件上传到一个本地Linux
2,执行chmod 700 awsssh.pem 更改权限
3,转换pem文件:ssh-keygen -e -f awsssh.pem >> awsssh.pem.pub
4,把awsssh.pem.pub下载到本地电脑上
5,打开SecureCRT,把awsssh.pem.pub上传
6,按照红色框依次选择
7,登录成功