原理
操作
Client:
ssh-keygen -t rsa
cat ~/.ssh/id_rsa.pub
Server:
vim ~/.ssh/authorized_keys
追加client的id_rsa.pub到文件authorized_keys中
chmod go-w ~/.ssh/authorized_keys
authorized_keys的权限必须设置成除了属主vagrant以外,group和其他用户都不可写状态.