Linked Questions

3 votes
0 answers
1k views

Unity crashes when running Ubuntu in a VM [duplicate]

I can't get Ubuntu (tried both 12.10 and 13.10) to play nice with my VM. Everything looks fine when I log in, but trying to use the dashboard will cause a crash. The crash can be triggered by just ...
  • 96.1k
1 vote
1 answer
470 views

Running downloaded Ubuntu on VirtualBox is so very slow? What to do? [duplicate]

I downloaded VirtualBox onto my Windows 7 machine after which I successfully downloaded Ubuntu v 14, which I updated to v.15. However, I find that Ubuntu runs very very slowly and that the @ sign does ...
0 votes
2 answers
239 views

virtual box error after reinstallation of 12.04 64bit [duplicate]

i was trying to uninstall wine, but the command i got from this site destroyed my ubuntu machine. the command was "sudo apt-get remove wine*" or --purge in place of remove would do same thing. it ...
  • 2,069
18 votes
2 answers
38k views

Can not enable 3D acceleration on Ubuntu 14.04 inside VirtualBox [closed]

I'm running VirtualBox 4.3.12 on MacBook Pro 15.4" with OSX 10.9.3. Inside VirtualBox I have Ubuntu 14.04 (upgraded from 13.10). I'm almost sure, that 3D Acceleration stopped working after ...
19 votes
3 answers
62k views

How to speed up VirtualBox Ubuntu 14.04 (disable visual effects, ...)

I just installed Ubuntu 14.04 in a VirtualBox machine, which I am planning to use for Java/Web development. After my first steps, I noticed that the CPU usage is very high even when I do simple tasks ...
2 votes
1 answer
6k views

How to speed up Ubuntu 14.04 in VirtualBox 4.3.10 [duplicate]

My virtualbox running ubuntu 14.04 but seep is very slow. Virtualbox: 4.3.10 Ubuntu: 14.04 Virtualbox addon: 4.3.10 I have tried suggestion from post: Why does a Ubuntu guest in VirtualBox run very, ...
  • 121
0 votes
1 answer
8k views

Ubuntu on VirtualBox very very slow (revisited) [duplicate]

Using Virtualbox 5.0 with Windows 8.1 as host and Ubuntu 14.04.2 as guest. It is extremely slow. I have tried 1) Increasing the RAM size 2) Used multiple processors in Systems->Processor tab (have ...
  • 39
2 votes
0 answers
3k views

14.04 running slow in VirtualBox. Enabling 3D Acceleration caused OS to crash on login

I'm using VirtualBox on my computer at work, with Windows as the host OS and Ubuntu as the Guest. Ubuntu, inside of VB, is EXTREMELY slow. A quick google showed me this was a common problem with a ...
1 vote
1 answer
2k views

Unity 3D not supported in VirtualBox when installing Guest Additions via command line

As I understand VirtualBox Guest Additions can be installed via command line as: apt-get install build-essential linux-headers-$(uname -r) virtualbox-guest-x11 Although there seems to be differences ...
1 vote
0 answers
1k views

Ubuntu in VirtualBox very slow even with Guest Additions installed

I tried to follow the instructions here: Why does a Ubuntu guest in VirtualBox run very, very slowly? However, I cannot get sudo ./VBoxLinuxAdditions.run to work as it says ./VBoxLinuxAdditions.run ...
  • 11
2 votes
0 answers
105 views

Strange screen fragment when using emacs

I am being bothered by the strange screen fragment while using emacs. Sometimes, when I edit something in emacs, the screen gets fragmented like this: The lines are not correctly updated Below is ...