vagrant package 打包后的box，再次up时认证错误

Bringing machine 'default' up with 'virtualbox' provider...
==> default: Importing base box 'init_arch'...
==> default: Matching MAC address for NAT networking...
==> default: Setting the name of the VM: arch_vm_default_1446772433228_1359
==> default: Clearing any previously set network interfaces...
==> default: Preparing network interfaces based on configuration...
    default: Adapter 1: nat
==> default: Forwarding ports...
    default: 22 => 2222 (adapter 1)
==> default: Booting VM...
==> default: Waiting for machine to boot. This may take a few minutes...
    default: SSH address: 127.0.0.1:2222
    default: SSH username: vagrant
    default: SSH auth method: private key
    default: Warning: Connection timeout. Retrying...
    default: Warning: Authentication failure. Retrying...
    default: Warning: Authentication failure. Retrying...
    default: Warning: Authentication failure. Retrying...
    default: Warning: Authentication failure. Retrying...

我已经按照官网说的

 mkdir ~/.ssh/

 cd ~/.ssh

 wget http://github.com/mitchellh/vagrant/raw/master/keys/vagrant

 wget http://github.com/mitchellh/vagrant/raw/master/keys/vagrant.pub

 mv vagrant.pub authorized_keys

然而 还是不对

ps：我并不是重头开始构建一个base box， 我是在别人的基础上开始制作的

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请问，能告诉一下官网的这个页面吗？

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通过 vagrant ssh-config 查看 IdentityFile ，确定使用的是哪个私钥
验证该私钥是否对应虚拟机上公钥
若不是对应key对
重新指定相应key对,配置文件Vagrantfile中操作

config.ssh.private_key_path = "/Users/xxxx/.ssh/id_rsa"
config.ssh.forward_agent = true
config.ssh.username="xxxx"//配置默认登录用户

再将公钥放到虚拟机中 ~/.ssh/authorized_keys 文件
接着reload看看~

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官网说的是让你在虚拟机里面执行的。你是不是在主机上执行的啊？
先vagrant up 启动。然后看到Retrying...之后Ctrl＋C。这时候虚拟机其实已经启动了。
然后运行vagrant ssh会让你输入密码。如果正常的话密码应该也是vagrant。进入虚拟机之行官网说的那个就好了。