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3 votes
1 answer
7k views

VirtualBox headless caused high CPU load on Mac OS X

When I run a CentOS linux VM on VirtualBox in headless mode the CPU continuously spikes up to about 80% for a couple of seconds at a time with a short 1 or 2 second gap and then does it again. Even ...
3 votes
1 answer
7k views

Cannot install VirtualBox on a Mac running macOS High Sierra (10.13.6)

I don't have much experience with Mac's and am having trouble getting Virtual Box installed. I have a MacBook Pro (Late 2011) running macOS High Sierra 10.13.6 and am trying to install Virtual Box 5.2....
9 votes
1 answer
4k views

Is Xfce supposed to run slowly on Virtualbox?

I'm having problems getting Xfce systems on VirtualBox to run smoothly. What I mean by slow is that moving or resizing windows looks very "laggy" (basically just windows jumping from one ...
0 votes
2 answers
426 views

Why is VirtualBox slow when unfocused in macOS?

I am on a Mac laptop (MacBook Pro (16-inch, 2019) i7 / 32GB RAM) running Win10 in VirtualBox. I have noticed a degradation in performance of the VM when the VirtualBox VM window is not the focused ...
0 votes
1 answer
893 views

How to run an older version of macOS in VirtualBox on new Mac?

I currently use a iMac Mini with macOS Ventura. I have some older software that I ran on my previous Mac that I would like to use that won't run on my new machine. Can I set up a VM in VirtualBox to ...
1 vote
0 answers
108 views

Kali Linux 2022 freezes on login on Mac

I recently downloaded Kali Linux 2022 on virtual box 6.1 on MacBookPro 32GB ram, everything was working fine until yesterday I notice that Linux slows down and lags when I use Firefox, I tried to ...
0 votes
0 answers
169 views

Virtualbox temporary macOS virtual machine

I know macOS virtualisation is not allowed on non-Apple made hardware but I really need to access encrypted data from my old MacBook backup that I can't open from Windows. Is there any way to install ...
2 votes
0 answers
3k views

VirtualBox: trouble creating vmdk file-access denied

I am brand new to VirtualBox. I am trying to run a DOS iso image using VirtualBox 5.2.22 on an iMac and connect it to my Mac hard drive /Dev/Disk1. I created the VM in VirtualBox with a DOS OS, ...
0 votes
0 answers
936 views

I have the error while running 'vagrant up' on my MAC OS

I installed vagrant_2.3.4_darwin_amd64 and also installed VirtualBox-7.0.6_BETA4-155176-macOSArm64 on my MAC OS ventura 13. My MAC has M2 chip. I was going to run the 'vagrant up' command but it doesn'...
8 votes
2 answers
21k views

How can I install a macOS VM Guest under VirtualBox on a Mac host?

How can I install macOS Mojave, macOS High Sierra, and macOS Yosemite as VirtualBox VM Guests on Mac hardware?
9 votes
3 answers
33k views

VirtualBox does not start on Mac OS X

Suddenly and without notice, VirtualBox application doesn't start. First, it just didn't do anything. Not even an error message. I looked in the system log (/var/log/system.log) and I found these two ...
1 vote
2 answers
922 views

Cannot seem to use “Page Up” when running Ubuntu within VirtualBox on a MacBook Pro

I have MacBook Pro and I'm running Ubuntu server inside VirtualBox and don't seem to have page up functionality. How can I scroll up and see missed lines in the terminal when running running Ubuntu ...
1 vote
1 answer
1k views

permission denied (publickey) but key seems is present

I hope I didn't overlook an answer but so far it seems I'm hitting a brickwall. I'm using VirtualBox on my Mac OS X with an Ubuntu 12.04 guest system. While it works perfectly fine with password ...
1 vote
2 answers
11k views

Painfully slow Windows 10 on Virtualbox

Although I'm running Virtualbox on a Mac, I thought I'm probably more likely to get answers on this forum for this sort of issue rather than the Apple one. I have downloaded a Windows 10 virtual ...
2 votes
3 answers
5k views

How can I make Virtual Box sees my external hard drive

I have: installed Virtual Box 3.1.2 on Mac OS X 10.5 setup a Ubuntu 9.10 machine for Virtual Box have a new external USB hard drive My question is what can I format my hard drive and configure my ...

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