Linked Questions

2 votes
1 answer
28k views

manually install VBoxGuestAdditions.iso

I use Ubuntu 16.04 and have installed VirtualBox-5.1.38_Ubuntu r122592. Previously I installed VBoxGuestAdditions.iso by this command: $ sudo apt-get install virtualbox-guest-additions-iso Now I ...
0 votes
1 answer
1k views

how to install Lubuntu on windows 7

i recently installed lubuntu 18.04 on a 32 bit laptop (toshiba) through a vbox, and it gave me these problems: 1. my laptop /vbox doesn't have the option for lubuntu 2. cannot boot lubuntu but there ...
0 votes
1 answer
665 views

Ubuntu 18.04 on VirtualBox Version 5.2.12 r122591:

I have installed the virtual box 5.2.12 on my Macbook (High Sierra) Then I've installed Ubuntu thanks to ubuntu-18.04.desktop-amd64.iso. So far so good even though it is really slow. Then I've ...
3 votes
2 answers
13k views

Ubuntu 14.04 on VirtualBox in Windows 7 runs at 100% CPU and very slowly

I know it's been asked why Ubuntu is slow as a guest OS in VirtualBox, but all those answers are fairly old and seem to focus on graphics. In my case booting is also very slow, and there is a long ...
9 votes
1 answer
59k views

How to access windows file system in Ubuntu Virtual Box

I have installed Ubuntu 14.04 VM on Virtual Box. My host OS is Win 7. How do i access the file systems in VM? Is there a specific method to do it?
29 votes
2 answers
87k views

How to improve performance of VirtualBox when UNITY_LOW_GFX_MODE is not working?

I set export UNITY_LOW_GFX_MODE=1 in my ~/.xprofile and it no longer has any effect in 13.04. Is there a way to disable all the eye candy? I'm running in VirtualBox and the Unity 3D mode with all the ...
2 votes
1 answer
1k views

virtualbox guest system broken after installing virtualbox-guest-x11

After I installed the package virtualbox-guest-x11 on my guest system (Xubuntu 17.10) and do a reboot, I cant use it anymore. The reboot works, but when the desktop appears I first get errors that ...
5 votes
2 answers
4k views

Pixelated ubuntu virtualbox on windows host [duplicate]

I recently installed virtualbox Ubuntu on host Windows. I am new to Ubuntu and virtualbox. I made two changes and I would like help to understand which one (and why) it messed up Ubuntu. I had ...
24 votes
2 answers
283k views

How do I display the whole desktop in Virtual Box fullscreen mode?

I am running Ubuntu 12.04 in VirtualBox 4.2.6 on a Windows 7 host. After installing Ubuntu I wanted to get the VB interface in fullscreen. I therefore installed guest additions from Virtual Box ...
54 votes
13 answers
337k views

Unable to mount the CD/DVD image on the machine Sandbox

I installed Ubuntu 12.10 Server AMD 64 with VirtualBox 4.2 latest version. I've installed it successfully. I've to install now Guest Additions but I am getting a error message like the below exactly ...
1 vote
0 answers
438 views

Linux VM error: VirtualBox kernel service is not running after installing Virtual Box Guest Additions [duplicate]

I installed Ubuntu on VirtualBox today. In order to have a shared folder with my host OS (Win 7) I followed the advise listed here: Shared_Folder When I start the VM now I get : VBoxClient: the ...
14 votes
6 answers
44k views

Unable to mount the CD/DVD image on VirtualBox

I'm trying to develop a website in Python, and have installed VirtualBox on my Ubuntu 13.04 host. The VirtualBox is running an Ubuntu 13.04 Django stack. I need to be able to edit the files within my ...
2 votes
0 answers
62 views

Can't get 3d accel working in Ubuntu 17.04, Virtual Box. "Could not mount the media/drive ..." error

I'm following the directions here and in the related question here. I have run the following in my guest Ubuntu os: $ sudo apt install build-essential module-assistant dkms $ sudo m-a prepare But ...
9 votes
1 answer
45k views

Removing default Virtualbox guest additions?

I don't want guest additions. I have Virtualbox on a Windows host running Ubuntu 16.04 LTS as a guest. How do I make sure that all the guest additions are removed from the Ubuntu guest? I so far ...
1 vote
2 answers
706 views

colorful screen issue when installing Ubuntu 16.04.1 LTS via VirtualBox

I see some strange coloured artifacts after installing Ubuntu in VirtualBox. How do I fix this problem?

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