vagrant up启动失败，提示：
Vagrant is attempting to interface with the UI in a way that requires a TTY
错误信息：
[D:\vag]$ vagrant up
Bringing machine ‘default‘ up with ‘virtualbox‘ provider... ==> default: Clearing any previously set network interfaces... ==> default: Available bridged network interfaces: 1) Intel(R) Centrino(R) Wireless-N 2230 2) Realtek PCIe GBE 绯诲.?у.? 3) VirtualBox Host-Only Ethernet Adapter ==> default: When choosing an interface, it is usually the one that is ==> default: being used to connect to the internet. Vagrant is attempting to interface with the UI in a way that requires a TTY. Most actions in Vagrant that require a TTY have configuration switches to disable this requirement. Please do that or run Vagrant with TTY
这是因为多网卡Vagrant无法选择使用哪一个，解决办法：
禁用掉另外其他网卡
修改vagrantfile文件，添加桥接网卡
（建议用不含中文的网卡，我用本地网卡“Realtek PCIe GBE 系列控制器”失败，换成无线“Intel(R) Centrino(R) Wireless-N 2230”亲测成功）：
vm.network "public_network", bridge: "Intel(R) PRO/1000 PL Network Connection"#（引号中的网卡换成你电脑上的网卡）
运行VAGRANT_HOME\bin\vagrant.exe，会提示一个信息让你升级
Vagrant is attempting to interface with the UI in a way that requires a TTY
原文：http://www.cnblogs.com/dapang/p/heheda.html