我的Vagrantfile中有以下内容：
config.vm.network :private_network, ip: "10.0.0.103"
config.vm.synced_folder ".", "/vagrant/", type: "nfs"
在新盒子上执行vagrant up会产生：
==> default: Mounting NFS shared folders...
The following SSH command responded with a non-zero exit status.
Vagrant assumes that this means the command failed!
mount -o 'vers=3,udp' 10.0.0.1:'/Users/wayne/app' /vagrant
Stdout from the command:
Stderr from the command:
stdin: is not a tty
mount.nfs: access denied by server while mounting 10.0.0.1:/Users/wayne/app
然后我需要vagrant reload它似乎有用......但我当然不应该这样做吗？
[更新：日志输出]
INFO retryable: Retryable exception raised: #<Vagrant::Errors::LinuxNFSMountFailed: The following SSH command responded with a non-zero exit status.
Vagrant assumes that this means the command failed!
mount -o 'vers=3,udp' 10.0.0.1:'/Users/wayne/sonatribe' /vagrant
Stdout from the command:
Stderr from the command:
stdin: is not a tty
mount.nfs: requested NFS version or transport protocol is not supported
>
INFO ssh: Execute: mount -o 'vers=3,udp' 10.0.0.1:'/Users/wayne/sonatribe' /vagrant (sudo=true)
INFO retryable: Retryable exception raised: #<Vagrant::Errors::LinuxNFSMountFailed: The following SSH command responded with a non-zero exit status.
Vagrant assumes that this means the command failed!
mount -o 'vers=3,udp' 10.0.0.1:'/Users/wayne/sonatribe' /vagrant
Stdout from the command:
Stderr from the command:
stdin: is not a tty
mount.nfs: requested NFS version or transport protocol is not supported
答案 0 :(得分：5)
对于Linux，我在主机上执行此操作：
systemctl stop nfs-kernel-server.service
systemctl disable nfs-kernel-server.service
systemctl enable nfs-kernel-server.service
systemctl start nfs-kernel-server.service
答案 1 :(得分：2)
由于主机VirtualBox和Guest Additions版本不匹配，可能会发生这种情况。在这种情况下，就在启动日志中的错误行之前，您应该得到：
==> default: Checking for guest additions in VM...
default: The guest additions on this VM do not match the installed version of
default: VirtualBox! In most cases this is fine, but in rare cases it can
default: prevent things such as shared folders from working properly. If you see
default: shared folder errors, please make sure the guest additions within the
default: virtual machine match the version of VirtualBox you have installed on
default: your host and reload your VM.
default:
default: Guest Additions Version: 5.0.26
default: VirtualBox Version: 5.1
在我的情况下，将VirtualBox更新到最新版本修复了问题。
或者，您可以确保使用主机上的vbguest Vagrant插件安装了正确的Guest Addition版本：
vagrant plugin install vagrant-vbguest
答案 2 :(得分：1)
降级并将基本映像更改为LTS Ubuntu（而不是XUbuntu）似乎解决了这个问题。
答案 3 :(得分：0)
可能是由于Os补丁和软件包升级所致，我的流浪汉env停止工作了，这使我浪费了大约4个小时的宝贵时间。感谢上帝，这就是我设法解决的方法：我使用ubuntu 18.04，vbox 6。
vagrant plugin install vagrant-vbguest重新安装流浪vbguest插件sudo apt-get install -y nfs-server sudo systemctl disable nfs-kernel-server.service
sudo systemctl enable nfs-kernel-server.service
sudo systemctl start nfs-kernel-server.service```
6. just to be sure i did `vagrant destroy` with `vagrant global-status --prune`
[1]: https://www.virtualbox.org/wiki/Downloads
答案 4 :(得分：0)
TL; DR-检查以确保/ etc / exports中的所有条目都指向存在的文件夹。如果您删除或重命名了以前配置为NFS共享的任何文件夹，则可能导致以后所有尝试在主机和客户端VM之间启动NFS共享的尝试失败。
此线程仍然是搜索结果中此错误的最高结果，还有另一个潜在的潜在原因-/ etc / exports中的挂载失败
NFS服务器将读取/ etc / exports以获取其挂载列表，并且如果其中配置的条目不再有效（例如，您移动/重命名/删除了文件夹），将导致nfs服务器无法启动。根据操作系统的不同，命令会有所不同，但是如果检查NFS服务器的状态，可能会发现由于/ etc / exports中的配置问题而导致NFS无法启动。
答案 5 :(得分：0)