在虚拟机中输入命令startx：
出现以下错误：
(EE) Failed to load module "vesa" (module does not exist, 0)
(EE) Failed to load module "fbdev" (module does not exist, 0)
(EE) Failed to load module "evdev" (module does not exist, 0)
(EE) No input driver matching `evdev'
(EE) Failed to load module "evdev" (module does not exist, 0)
(EE) No input driver matching `evdev'
(EE) Failed to load module "evdev" (module does not exist, 0)
(EE) No input driver matching `evdev'
解决办法：
yum install xorg-x11-drivers