新建虚拟机后启动时出现如下错误：
Kernel driver not installed (rc=-1908)
The VirtualBox Linux kernel driver (vboxdrv) is either not loaded or there is a permission problem with /dev/vboxdrv. Re-setup the kernel module by executing
'/etc/init.d/vboxdrv setup'
as root. Users of Ubuntu, Fedora or Mandriva should install the DKMS package first. This package keeps track of Linux kernel changes and recompiles the vboxdrv kernel module if necessary.
执行/etc/init.d/vboxdrv setup后，出现了以下的错误：
[root@localhost ~]# /etc/init.d/vboxdrv setup
Stopping VirtualBox kernel module [ OK ]
Recompiling VirtualBox kernel module [FAILED]
出现此原因是因为系统内核与VirtualBox要求的不一致，需安装对应版本的Linux-headers，然后重启或者使用dkms install 手动编译virtualbox的那些模块
解决方法：
1、更新内核
# dnf update kernel
2、reboot
3、重新执行编译程序
# /etc/init.d/vboxdrv setup
4、执行完毕即可正常使用VirtualBox了