Questions tagged [virtualbox]

Oracle VM VirtualBox is a desktop virtualization product for x86, AMD64 and Intel64 processor architectures.

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What does the error message "sda access beyond end of device virtualsda access beyond end of device" in a virtualboxbox system?

Today I tried to turn off one of my VirtualBox system and I got that error over and over again for a few minutes. Then I just forced a shutdown. I remember that I resized that partition from 50G to ...
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Capture Network Traffic Between Virtual Machines On Windows Host (Virtual Box)

I have defined on Windows Host, two CentOs virtual machines connected via virtual host-only switch. I am using Oracle Virtual Box. I would like to use Wireshark on Windows host to capture traffic ...
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Recursive Bind DNS server working in the cloud, but not in VM

I'm using ansible to bring up an identical server in the cloud, as well as in a VM (Virtualbox) on my workstation. The instance uses a non-public-facing recursive Bind DNS server to cache queries and ...
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Access virtualbox guest webserver via host system with "localhost" domain [closed]

I'm running a webserver in a virtual machine inside Virtualbox. To access the webserver from my Ubuntu host system I changed the network settings to bridge mode. Now I'm able to access the guest ...
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78 views

Bridging on Linux using TAP devices (Virtuallbox)

Bridging on Linux using TAP devices Hello, I have got the following schema: In order to be able to ping the remote hosts, separatehost1 in my case, I bring up bridge device br0 which combine tap0 + ...
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Using a standalone licence for SOLIDWORKS is not supported on this virtual environment. You must use a SolidNetwork License (SNL)

I'm using Linux Mint 20.1, kernel 5.4.0 on a Ryzen 5600x with 16gb of ram. Using VitualBox 6.1 and trying to install SolidWorks 2021 and found the message in the title when adding my license and not ...
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How do you create two different subnets within VirtualBox?

I have backend applications that I want to put on one subnet and a set of servers that must have access to the internet on the other subnet. The idea is to put the servers within a DMZ. Additionally, ...
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Unable to use reposync to write to a virtualbox shared folder

I am running RHEL8 in a virtualbox trying to run reposync to store into a shared folder (on a windows host) I get the following error: Error: Cannot rename directory "/repository/rhel8/baseos/...
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VirtualBox / OpenVPN - Can't ping between client and server, despite connect is present

I have 2 VM's on my host machine. They are connected in "internal network", which is set in VM settings. I set up static IP addresses and ping works normally. I have OpenVPN server on one ...
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108 views

How would I make a network topology on KVM analogous to the internal network configuration on virtualbox?

The differences in documentation between KVM docs and virtualbox docs make it difficult to find what I'm looking for My goal is to do something like https://resources.infosecinstitute.com/topic/...
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linux page-cache size (host) performance impact to Virtualbox VMs

i have a small Virtualisation host that runs 7 Windows 10 and CentOS VMS. The host has only 32GB RAM and that RAM is nearly used by the VMs memory and the linux host OS. There are about 2,5GB RAM left ...
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Again see the Welcome menu after installing FreeBSD on Virtualbox [closed]

I've installed Virtualbox 6.1 on my local computer with Windows 10. Next I've downloaded FreeBSD image and select it as virtual optical disk. Next I gone the FreeBSD installation process and restarted ...
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How to make NodeJS server located on VM visible on host PC?

I have my PC (host) and two VBox Linux virtual machines installed on it. One VM contains Postgres database and the other one NodeJS server running on it and they both can communicate between. When I ...
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How can i use vagrant to give windows and linux servers in a vagrant+virtualbox environment to live in the same IP space without private_ip addresses?

Im using the following network declaration to get an IP address for my Windows virtual machines, which is routable inside the same network to corresponding linux VMs made using the same directive. ...
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How can I type in a virtual machine that is located on a host machine that I remote desktop into?

I'm using a remote desktop to log in to another computer and on that computer. Trying to start up a virtual machine. The problem I'm having is when I try to type in the virtual machine, most of the ...
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How to create docker containers for ibm netezza and teradata?

When I check the docker hub, I am getting only client tools but not the database. We need docker images to use them as test databases, but not able to find any. If any install steps for linux, we ...
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Security of allowing USB access by virtualbox on freebsd

It has come to my attention that when enabling passthrough USB access for virtualbox on a freebsd system, the instructions at least did tell you to make the user a member of the operator group. ...
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244 views

stuck at PXE boot dracut command (PXELINUX DEFAULT) on Virtual Box

My Setup: Virtual Box Version 6.1.22 r144080 (Qt5.6.2) Windows Version: 10 Running Two VM's : 1 VM : Centos 7 hosting DNS, TFTP, DHCP, HTTPD with two network card --> 1 card Host-only Adapter ...
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Dmesg is full of I/O errors on Ubuntu 18.04 VM, physical disks and host are fine

I have an Ubuntu 18.04 virtual machine on a Windows Server 2016 host (Dell PowerEdge R530, Intel Xeon E5-2620 @ 2.1GHz, 96GB RAM), running in VirtualBox 6.1.10. The host system has 2x2TB HDDs in RAID ...
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vboxmanage dhcpserver modify doesn't seem to work

All. I'm trying to set up a couple of VMs in Virtualbox for development/testing. For this I've created two vms and assigned them a Nat Network. Works nice, they get their own IP, they can connect to ...
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143 views

Apache SSL Proxy Pass not working, but it does with VirtualBox NAT port forwarding

I configurated Apache proxy pass on port 80 and 443. Port 80 works but it seems that for 443 I do not get any response. From my public ip I got no response from server. This are the virtual host ...
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grub-install fails to identify FS properly

I am installing Arch Linux in a Vbox and encountered the following error I formatted /dev/sda in ext4 so I am not quite sure what's happening here with grub-install (v.2.04) complaining about the ...
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53 views

Virtualbox systemd unit service: ask for password

I'm using the following systemd template unit file for managing VirtualBox VMs: [Unit] Description=VirtualBox VM %I After=network.target vboxdrv.service Before=runlevel2.target shutdown.target [...
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41 views

OpenVPN - Connect external users to VirtualBox Internal Network

Demo of connection I'm trying to set up a network where external users can use an ovpn file to connect to the "team1" internal network that I created in VirtualBox. The goal is to allow ...
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143 views

Virtualbox Shared Folder: specify which uid/gid to use on the host, for files created on the guest

I don't have any issues mounting a shared folder with VirtualBox (Ubuntu server as host; Ubuntu desktop on guest; guest additions and etc. are all working ok). On the guest I can assign any uid/gid to ...
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128 views

Set working directory in `VBoxManage guestcontrol run`

I'm using: VBoxManage guestcontrol "Windows 10" --username "john" run "Z:\\path\\to\\bin.exe" The command gets executed but I need to run it in a specified directory. ...
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186 views

vboxmanage dhcpserver add but client can't get DHCP ip

This is the command I use in host OS, unfortunately guest OS still can't get the DHCP ip. Both OS are running in Linux. wolf@linux:~$ vboxmanage dhcpserver add --network=malfoy --server-ip=10.38.1.1 --...
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31 views

Virtualbox not recognizing GRUB

I ripped a Linux Mint partition into a file using the dd command: sudo dd if=PART_PATH of=OUTPUT_PATH/ubuntu.bin Then I converted it into a *.vdi VBoxManage convertdd PATH_TO_ubuntu.bin ubuntu.vdi --...
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1answer
105 views

Site-to-site VPN connection between VMs in a private network and remote Linux hosts [closed]

Recently I've faced with a problem - connect multiple VMs running on bare metal servers with Linux hosts in the remote location via the Internet. Basically, what I need is a simple VPN setup where I ...
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359 views

Why does my MySQL server suddenly not start. ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock' (2) [closed]

Suddenly my MySQL server will not start. running mysql in the cli will return ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock' (2) I was running a ...
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131 views

Is it possible to run a VM without actually enabling virtualization settings in BIOS?

I am trying to launch a VM with QEMU KVM on a Linux system but I am unable to actually make it work. It just doesn't start. But I figured out that I need to enable virtualization from BIOS settings to ...
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745 views

How to remote access Virtualbox on a headless linux server

This is not a real question but I rather want to put this here in order to document it as there is a lot of contradicting information in the web. When you run Virtualbox on a headless linux server, ...
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406 views

How to enable nested virtualization in order to use VirtualBox inside of a KVM virtual machine?

We have a KVM hypervisor (L0, AMD, Kernel: Linux level0kvmhypervisor 4.19.0-12-amd64 #1 SMP Debian 4.19.152-1 (2020-10-18) x86_64 GNU/Linux), which runs a virtual machine that I would like to use as a ...
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Is there a way to enable direct i/o in virtualbox when connecting to a raw disk in linux?

I found instructions on how to create a virtual disk for use with virtualbox that points to a raw block device. You can't do it from the ui, but you can do it from the command line: VBoxManage ...
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564 views

Can't ping gateway or access outside internet from Ubuntu guest on Windows 10 host

Using Virtualbox Version 6.1.16 r140961 (Qt5.6.2) on Windows 10 Home host. When using Bridged Adapter mode on a Ubuntu 20.10 server vm. I am unable to ping the gateway from the guest. I can ping from ...
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280 views

Pinging 8.8.8.8 via a windows 10 client going through windows server 2012 gives a request timedout error

This is my setup in virtualbox. A DHCP Scope of range 112.123.1.100 to 112.123.3.188, Length = 16, Router IP is 112.123.2.2 (this also is the IP of the server the DHCP is configured on). After this I ...
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172 views

Cannot access Ubuntu Server running on VirtualBox and remote machine

I have installed a Ubuntu 20.04.1 Server as VM on a VirtualBox, this VirtualBox is running on my school's remote server and installed GNS3 on this VM(Ubuntu Server). So far, everything is fine. But ...
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Using Debian as host for Virtualbox - problems with network

I have been banging my head on this for awhile. Im somewhat new to using Debian as a host/router for virtual machines and Im strugeling to get remote access to my VMs. My setup is like this: Server ...
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1answer
32 views

Trying to connect over local network to SQL Server

I have a developer edition of SQL server 2019 running on my machine. In virtual box I have a linux server that's connected to a local host-only virtual network. I can ping back and forth between the ...
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39 views

Using Puppet to configure hypervisor

I am looking to use Puppet to configure a bare-metal host to spawn VMs using Vagrant/VirtualBox, whose configurations will also be managed by Puppet. I think this can be achieved by: Installing ...
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47 views

Unable to connect to virtual machine via RDP on Debian host, but OK on Windows host

I'm running a virtual Machine on VirtualBox 6.0.24. The VM is running Ubuntu 20.04. If I run the VM on my Windows 10 host, I can connect to the Ubuntu guest OS via both SSH and RDP. I then copy the VM ...
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262 views

Host only adapter virtual box

My host is arch linux. And i have the same arch linux as guest. Host only adapter and nat connections are used. In host adapter settings manual assignment of ip is done for the guests. From the guest ...
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100 views

No IP address for Ubuntu VM constructed on VirtualBox and imported to libvirt/qemu/kvm

I'm trying to install an Ubuntu 18.04 VM created on VirtualBox (not sure which host platform) and exported as a VMDK to libvirt/qemu/KVM under RHEL 7.8. It seems to import and start up OK, but I ...
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266 views

VirtualBox Windows showing weird screen right after starting the Virtual Machine

I am trying to create a virtual Windows using VirtualBox, and I have encountered a problem. I am following the Wikipedia instructions, and can solve every problem encountered so far until Step 19. ...
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1answer
40 views

VirtualBox: prohibit taking snapshots or detect restore?

I need to somehow disable snapshots or at least detect if a snapshot restore has been made on a VM in VirtualBox (need this due to licensing state). From what I understand VirtualBox doesn't have a ...
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24 views

Virtualbox login lagging

So in our company we currently have a bunch of vms (virtualbox) setup in a gcp instance (specs below) but we are having a hell of lag on the login screen, what could possibly be? (tell me if you need ...
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205 views

Virtualbox network - two guests connected to each other with only one having internet access

I've been poking around with this for quite a while and can't get it working. I'm using Virtualbox and I'm having to linux VMs - let's call them VM1 and VM2. There is also a linux-host. The idea I ...
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1answer
46 views

Block all incoming trafic to VBox guest VM, except ESTABLISHED and RELATED

I have host machine, which is running Virtualbox and one guest VM. Let's say host have interface br0 with IP 1.2.3.4 and guest have eth0 with IP 1.2.3.5. Guest is using 1.2.3.5 as public IP (bridged ...
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2k views

Read error (Connection reset by peer) in headers on Vagrant

Trying to install aaPanel into a vagrant machine. vagrant box used is Scotch box 3.5 which preloaded with php v7.0. I've updated php to v7.4 using sury's ppa and working fine. I've used given ...
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105 views

kernel message, who knows what this means

kernel: [2427107.300793] traps: ATA-0 [27274] trap int3 ip:7f2c48115064 sp:7f2c22e9ad90 error:0 in VBoxDD.so[7f2c480ec000+155000] the message is recorded in the virtualbox host system when this comes ...

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