出错情况
以前一直用的一个vagrant环境，突然启动出现问题。
vagrant 运行在windows上，vagrant 启动centos7虚拟机，vagrant up时提示错误，无法将host上的文件夹映射到虚拟机里。
错误信息如下:
Vagrant was unable to mount VirtualBox shared folders. This is usually
because the filesystem "vboxsf" is not available. This filesystem is
made available via the VirtualBox Guest Additions and kernel module.
Please verify that these guest additions are properly installed in the
guest. This is not a bug in Vagrant and is usually caused by a faulty
Vagrant box. For context, the command attempted was:
mount -t vboxsf -o uid=1000,gid=1000 vagrant /vagrant
The error output from the command was:
/sbin/mount.vboxsf: mounting failed with the error: No such device
处理方式
先ssh连进guest
vagrant ssh
然后
cd /opt/VBoxGuestAdditions-*/init
sudo ./vboxadd setup
提示信息
VirtualBox Guest Additions: Building the VirtualBox Guest Additions kernel modules. This may take a while.
grep: Unmatched ) or \)
This system is currently not set up to build kernel modules.
Please install the Linux kernel "header" files matching the current kernel
for adding new hardware support to the system.
The distribution packages containing the headers are probably:
kernel-devel kernel-devel-3.10.0-957.21.3.el7.x86_64
VirtualBox Guest Additions: Starting.
VirtualBox Guest Additions: Building the VirtualBox Guest Additions kernel modules. This may take a while.
grep: Unmatched ) or \)
This system is currently not set up to build kernel modules.
Please install the Linux kernel "header" files matching the current kernel
for adding new hardware support to the system.
The distribution packages containing the headers are probably:
kernel-devel kernel-devel-3.10.0-957.21.3.el7.x86_64
modprobe vboxguest failed
The log file /var/log/vboxadd-setup.log may contain further information.
安装kernel
sudo yum install kernel-devel kernel-devel-3.10.0-957.21.3.el7.x86_64
重新运行 ./vboxadd setup 提示错误
VirtualBox Guest Additions: Building the VirtualBox Guest Additions kernel modules. This may take a while.
grep: Unmatched ) or \)
VirtualBox Guest Additions: Look at /var/log/vboxadd-setup.log to find out what went wrong
VirtualBox Guest Additions: Starting.
/var/log/vboxadd-setup.log:
Building the main Guest Additions module.
Building the shared folder support module.
Building the graphics driver module.
Error building the module:
Could not find the X.Org or XFree86 Window System, skipping.
在虚拟机中安装xorg
yum -y install xorg-x11-drivers xorg-x11-utils
在host上安装vbguest插件
vagrant plugin install vagrant-vbguest
重新启动虚拟机，问题解决
vagrant reload