New answers tagged virtualbox
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Enable nested virtualization in KVM in UBUNTU
Before enabling nested VT feature, power off all running VMs.
Next, unload KVM modules.
To unload KVM module on INTEL systems, run:
$ sudo modprobe -r kvm_intel
On AMD systems:
$ sudo modprobe -r kvm_amd
Reload the KVM module with the nested feature enabled on INTEL CPUs with command:
$ sudo modprobe kvm_intel ...
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Finally i get it.
Create a custom route table, and an ip rule that traffic to local net goes to my custom route table. The VPN checker doesnt modify my custom route table.
For anybody who wants to do the same:
https://www.lartc.org/howto/lartc.rpdb.html
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Finally iptables seems not be my solution, thus iptables filters, marks, but not routes.
I think it is necesary to tune ip routing. If there is an expert in routing policies in linux i will appreciate the help. I will try to experiments the ip rule command.
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Compiling directly the VirtualBox instead of installing it using apt works for me:
Download the .run file in https://download.virtualbox.org/virtualbox/6.1.26/ (this is version 6.1.26, replace the URL with the most recent or your version)
Install gcc, make and perl apt-get update && apt-get install gcc make perl.
Install the .run file. bash *.run.
...
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You can easily create a VM wherever you like, as long as you have permission to write on this location.
When you are creating a new VM using the wizard you will get to the screen called "Hard Disk". On that screen, you choose "Create a virtual hard disk now" and then click "Create". The next two screens are for the settings of ...
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Uninstall Virtualbox. Reinstall Virtualbox but when you are asked where to install it choose a location on the D drive. You probably don’t need to do this at all because you can choose where to store you virtual machines (which take a lot of space) so just store them on the D drive
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rsync --delete
@sudodus so in order to use --delete i have to remove the original files from the original directory?
Yes, but, I would say that the intention is the other way around: It will help you delete a file in the target, when you have deleted the corresponding file in the source.
If you want to avoid copying some files (but keep them in the source),...
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You should be able to get back to GUI with chvt comand.
$ man chvt
chvt - change foreground virtual terminal
SYNOPSIS
chvt [option...] N
DESCRIPTION
The command chvt N makes /dev/ttyN the foreground terminal. (The
corresponding screen is created if it did not exist yet. To get
rid of unused VTs, use deallocvt(1).) The key combination
(Ctrl-)LeftAlt-FN (...
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That instance of ruby is listening on port 1234 for connections from 127.0.0.1 only. So port forwarding won't change much unless you have it accept connections from your host machine.
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The solution ended up being a lot simpler than expected. The network wasn't really the reason the vbox itself couldn't start despite the error, although changing my network settings from public to private in the windows settings did seem to help, but I could still not booth the guest OS. I first needed to enable Virtualisation in my Bios settings for it to ...
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go to your display settings, and select VBoxSVGA controller and also disable the 3d acceleration as it is not supported on VBoxSVGA.
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Otherwise change the network setting to Bridged Adapter and restart network. it will work to access the internet and two virtual machines also.
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It is not a good idea to run a virtual image/desktop with VirtualBox before the Ubuntu desktop environment loads. VirtualBox is a GUI application in Ubuntu which requires a desktop environment to be loaded in order to be able to run it in a user friendly way.
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TL;DR
On Ubuntu Server, without guest additions, manually mount the shared folder on the guest, e.g.:
mkdir /mnt/sharedfolder
sudo mount -t vboxsf FolderNameInVBoxSettings /mnt/sharedfolder
If the above works fine, add a corresponding entry in /etc/fstab to make it permanent.
Detailed Intructions
Let me share what has worked for me in two different setups, ...
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If you are facing a similar issue, and none of the above worked check this:
Machine settings -> Display -> Screen -> Video memory
Set it to the maximum.
This worked for me, all the others simply didn't work at all.
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Rufus was successfully worked on Ubuntu 20.04.3 LTS Through Windows 10 VirtualBox.
Dependencies:
VirtualBox Software could be installed following this article
Windows 10 OS installed on the VirtualBox could be installed following this article
Enable USB Support via the virtual Windows OS could be done following this topic
Newest Rufus software installed on ...
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systemctl disable cloud-config.service
systemctl disable cloud-final.service
systemctl disable cloud-init.service
systemctl disable cloud-init-local.service
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The prompt is defined by the PS1 variable. You can see how it is defined with
~$ echo $PS1
\[\e]0;\u@\h: \w\a\]${debian_chroot:+($debian_chroot)}\[\033[01;32m\]\u@\h\[\033[00m\]:\[\033[01;34m\]\w\[\033[00m\]\$
In standard Ubuntu, it is actually being defined with the command:
PS1='${debian_chroot:+($debian_chroot)}\[\033[01;32m\]\u@\h\[\033[00m\]:\[\033[01;...
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This solution is relatively simple, type
nano ~/.bashrc
in the terminal as root. I like to use nano, you may use whatever text editor you wish. Find and uncomment:
#force_color_prompt=yes
in the file, save/write out the file, then pull up a fresh terminal and enter root. You should now have colored root terminal text.
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You have to compile the gnome-network-displays application first as it is does not available in deb-package form for modern Ubuntu releases. One can use PKGBUILD from ArchLinux as prototype.
To compile and install use commands below:
sudo apt-get update
sudo apt-get install git build-essential debhelper gnome-pkg-tools libglib2.0-dev libgstreamer1.0-dev ...
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So it turns out that this was the issue: https://www.virtualbox.org/ticket/20479
I manually copied the missing file out of the virtualbox deb file and then tried starting the vboxwebsrv service which did not work. I had to unmask and enable the vboxwebsrv service and then I was able to start it:
systemctl unmask vboxweb-service
systemctl enable vboxweb-...
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Same problem here. After hours reading forums, I discovered the cause root was Intel Power Gadget. After removing, all worked fine.
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Your answer is likely to be found in /opt/bluetooth/. I would expect a readme.txt and/or install.txt in that directory with a link to where the original source is stored and how you install this software.
/opt/bluetooth means you installed 3rd party software from source. At least... if you followed the (not so official :) ) guidelines.
This tends to come ...
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I come to this question while facing almost the same issue.
TL;DR
Make sure to install VirtualBox guest additions CD
Versos answer
My Specs
Host: Ubuntu 20.04.2 LTS
Guest: Windows 10 1909
VirtualBox: 6.1.22 r144080 (Qt5.12.8)
Solution
Shutdown the guest machine, if it's running
In VirtualBox application (host):
Select the Guest Machine
GO to: General &...
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Okay...so I had this problem. I tried an amazing array of different things to solve the problem. What worked for me was turning off Bios Security. The app was installed properly...There is probably a way to secure the BIOS and run VirtualBox...but I do not know how.
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