Solution to upgrade UbuntuVirtualbox

Article Title: how to upgrade UbuntuVirtualbox. Linux is a technology channel of the IT lab in China. Including desktop applications, Linux system management, kernel research, embedded systems, open source, and other basic categories to start VIRTUALBOX
　
WARNING: The character device/dev/vboxdrv does not exist.
　
Please install the virtualbox-ose-modules package for your kernel.
　
You will not be able to start VMs until this problem is fixed.
　
Xiaoxu @ xiaoxu :~ $/Etc/init. d/vboxdrv start
　
Open: Permission denied
　
* Starting VirtualBox kernel module vboxdrv FATAL: Module vboxdrv not found.
　
* Modprobe vboxdrv failed. Please use 'dmesg' to find out why.
　
Virtualbox pop-up
　
VirtualBox kernel driver not installed. the vboxdrv kernel module was either not loaded or/dev/vboxdrv was not created for some reason. please install the virtualbox-ose-modules package for your kernel and execute '/etc/init. d/vboxdrv start' as root.
　
VBox status code:-1908 (VERR_VM_DRIVER_NOT_INSTALLED ).
　
Result Code:
　
Zero x 80004005
　
Component:
　
Console
　
Interface:
　
IConsole {1dea5c4b-0753-4193-b909-22330f64ec45}
　
I searched for it online.
　
/Etc/init. d/vboxdrv setup or start
　
However, I cannot follow the online method.
　
Then I solved it like this.
　
Sudo apt-get install virtualbox-ose-source
　
Install the module source code and then
　
Cd/usr/src
　
Decompress source code
　
Sudo tar xjvf virtualbox *. bz2
　
Cd modules/virtualbox-ose
　
Sudo./build_in_tmp install
　
Let him compile and install the module driver
　
After completion
　
Xiaoxu @ xiaoxu:/usr/src/modules/virtualbox-ose $ sudo/etc/init. d/vboxdrv start
　
* Starting VirtualBox kernel module vboxdrv [OK]
　
You can see that the load is successful.
　
There is no problem with starting virtualbox.