故障

vagrant管理的centos虚拟机在做过 yum -y update 后更新了系统以及内核

然后下一次vagrant up的时候共享目录不能挂载到/vagrant目录( /sbin/mount.vboxsf: mounting failed with the error: No such device)

详细信息

Failed to mount folders in Linux guest. This is usually because
the "vboxsf" file system is not available. Please verify that
the guest additions are properly installed in the guest and
can work properly. The command attempted was:

mount -t vboxsf -o uid=`id -u vagrant`,gid=`getent group vagrant | cut -d: -f3` vagrant /vagrant
mount -t vboxsf -o uid=`id -u vagrant`,gid=`id -g vagrant` vagrant /vagrant

The error output from the last command was:

/sbin/mount.vboxsf: mounting failed with the error: No such device

搜索资料知道原因是yum update更新了内核，但是没有更新VirtualBox的连接的问题。

需要执行

sudo /etc/init.d/vboxadd setup

修复即可

资料

‘vagrant up’ fails to mount linked directory /vagrant

Vagrant up遇到mount no such device的问题

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