Questions tagged [virtualbox]

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

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VirtualBox VM's display refresh rate >60Hz [closed]

When I run a Kubuntu guest on Windows host in VirtualBox - I only get 60Hz refresh rate on a virtual display. UI feels very slow and laggy compared to native 120/144Hz UI. How can I achieve 120/144Hz ...
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12 views

Set Vagrant Virtual machine running Centos to past date time for testing

I have a Windows 10 host, running Vagrant with VirtualBox provider to spin up a Centos 7 Guest OS. NTP synchronisation is off in the Guest OS. It'd be nice to be able to set the guest OS to a date in ...
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1answer
59 views

Access docker machine on LAN Computers

I had a virtual machine with Ubuntu which is installed inside windows 10 host and accessible to all pcs in LAN using its IP address. Inside Ubuntu I'm running the docker containers within docker-...
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1answer
34 views

Find/Allocate IP to new VM for ssh

I created a virtualbox vm with bridge connection. How do I find its IP address, or set its IP, so I can ssh into it and use it? It has a mac address, can I use this at all to set a route through arp ?...
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19 views

Can't access webserver on VM from host machine

I have virtual box running a CentOS instance installed with nginx and firewall ports 80 and 443 are open. I have two network adapters on the VM one with a host-only network: 192.168.56.0/24 and the ...
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16 views

USB Device Disappears After Using Vagrant & Virtualbox usbfilter in Linux

After Successfully installing virtualbox-oracle-ext package and configuring a Vagrant file to base functioning I'm having difficulty using the usb device recognized within vagrant on the host machine. ...
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1answer
50 views

Bridged Networking on VirtualBox through nested ESXI virtualization fails [closed]

I'm trying to get Bridged Networking to work on Ubuntu in VirtualBox, on a Windows Server 2016 host which is running as guest on an ESXI system (i.e. nested virtualization: ESXI -> Windows Server ...
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1answer
19 views

VirtualBox Ping strange behaviour

I installed 3 guest systems on my virtualbox. Windows 98, Windows XP and Windows Server 2012 R2. Host system is Fedora KDE Plasma. All VMs are configured with a bridged network adapter and internet ...
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1answer
28 views

How to route network traffic between KVM and VirtualBox?

Is there a simple way to route network traffic between two VMs, one in virtualbox and the other in KVM/libvirt? In the KVM World, I can see the virbr interfaces (Virtual Bridges?) and they have an IP ...
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52 views

VirtualBox: NAT port forwarding from Windows to Ubuntu does not work

I am not able set port forwarding Windows 10 host to Ubuntu 19 guest when using NAT. I have added a rule for Ubuntu VM: $ VBoxManage modifyvm "Ubuntu 19" --natpf1 ",tcp,,8081,,8081" On Ubuntu I ...
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1answer
66 views

Deploying a virtual machine linux (Virtualbox + Ubuntu Server) on Windows server

I am an unconditional user of Linux (Ubuntu to be precise). As a developer, I always host my web applications on an Ubuntu server. If a client has a Windows environment, then I use a virtual machine ...
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SOLVED - Kali linux openvas installation fail

I have Kali 2019.4 installed into a Virtualbox machine (4GB, 2-CPU) fully updated and upgraded. I'm trying to install openvas directly from the Kali repository (apt install openvas) as root, but it ...
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24 views

Splunk web server external login

I'm using VirtualBox as a Virtual machine with CentOS 7 on it. I have used a NAT-adapter with port forwarding and a Host-only adapter. On the NAT-adapter I used port-forwarding for connecting to ssh ...
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1answer
110 views

/dev/sdb1 Device or resource busy

I am testing 2 node drbd cluster in virtualbox . I have attached a virtual disk (/dev/sdb/) and mounted it on /mnt/drbd0 directory. While creating a resource by drbdadm create command I am getting ...
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1answer
133 views

Virtual network between host and guest VM (without port forwarding)

I'd like to have a network between the VM host and the VM guest. The bridge network works for this purpose - but the issue with this is, I'm assuming it'll be limited to the actual physical network's ...
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1answer
31 views

AWS AMIs always need SSHD Running? (VirtualBox upload / conversion)

I am an AWS EC2 NOOB, and not a Linux expert. I have finally succeeded in installing an Ubuntu Virtual Machine from VirtualBox onto AWS and have gotten it to launch and ssh connect. However, I had ...
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26 views

Host and VirtualBox guest unable to access each other despite successful ping

I have set up an Oracle VM VirtualBox guest running Windows Server 2016. On the VM I have deployed a Tomcat application. On my host running Windows 7 Enterprise, I am running the same application. I ...
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1answer
36 views

Error running commands using shell although successfully run line by line manually

I'm using centos7 RHEL on vagrant virtualbox, I'm making a shell file that when I activate vagrant it runs the commands in the shell file on the virtual OS. When I use SSH and run each line on ...
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1answer
164 views

Virtualbox performance on NUMA host (AMD Epyc)

At a small software development house, we virtualize our build servers (using VirtualBox) so that they can be easily backed up, snapshotted and the like. We've recently bought a new server using an ...
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42 views

Strange error message when trying to resize a VirtualBox VDI

I'm running vboxmanage modifyhd /path/to/my.vdi --resize 35000 and getting: VBoxManage: error: Cannot register the hard disk '/path/to/my.vdi' {8494ccfd-bc55-4826-abdd-773f98afd32c} because a hard ...
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27 views

Bridged Network adapter unexpected behavior

So today out of nowhere I started to experience a weird issue. I have a pfsense VB machine which has a bridged network interface. It can ping any address on a network (192.168.1.0/24) except my host ...
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19 views

Performance Issues with Using Oracle VirtualBox? [duplicate]

I am stuck with moving on to a new server. I wanted to split up the server in 3 virtual box using Oracle VirtualBox.But not sure whether it would decrease the performance. So just wanted to know ...
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1answer
115 views

Why does mongodb install require removal of VirtualBox and php-curl?

I was about to install mongodb on Linux Mint 19.1 (Tessa) via .deb file but when I checked the packages to be removed, I found this: To install the following changes are required: To be removed: ...
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1answer
168 views

Windows server 2016 Active Directory and VirtualBox host on same server

I know it's not considered best practice having Active Directory Domain Service role and Hyper-V role on same server. What about VirtualBox? Can I install VirtualBox on the same physical machine ...
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31 views

When I remove the ovf item the system does not work

I'm trying to restore a xen server appliance to the virtual box but an error appears and I'm forced to remove the following part of the ovf file to work the restoration: <ovf:Item> &...
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1answer
73 views

Why don't my VirtualBox guests auto-restart after boot?

I'm failing in setting my VirtualBox guests (e.g., vm1) to restart after a reboot. I followed these advisories: https://wdmbr.wordpress.com/2018/12/14/how-to-set-your-virtualbox-vm-to-...
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node.js app on ubuntu linux with postgresql on virtual box on windows client [duplicate]

I set up, ubuntu linux on virtual box. Then I installed postgresql and node.js So basically I made a clean installation and i want that ubuntu handles my requests. When i run node server.js , a ...
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1answer
81 views

Split brain on keepalived but both hosts get each others messages

I did a little digging and most issues I saw were resolved with a dive into firewalls and multicast fixes but from my pastes below that does not seem to be my issue. I am a little stumped on what it ...
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1answer
561 views

PPPoE pap Authentication failed even with correct password

I have setup on ubuntu 18.04LTS a ppp server in a virtual machine for test puproces with the following settings: /etc/ppp/pap-secrets: # # /etc/ppp/pap-secrets # # This is a pap-secrets file to be ...
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1answer
824 views

Connect into a custom PPPoE server in Ubuntu in an Virtualbox experimental setup. Connection Fail

I am using an Ubuntu Server 18.04.2LTS and I want to try to make it as a ppp server in order to study the protocol a bit better via wireshark. The idea is to use virtualbox and use virtual machines ...
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45 views

How can I access a .local url for a virtual ubuntu server installation?

I recently installed ubuntu server on a virtualbox virtual machine. I tried to connect it using <host name>.local but it didn't work? How can I access it from a url but not an IP? (I do not ...
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47 views

Why is VirtualBox/KVM giving me only 30% of Docker's throughput?

I'm load testing an app and I've created all three environments (Docker, KVM, VirtualBox) on my machine, trying each separately. I can get 9000 req/sec on my docker container but KVM/VirtualBox max ...
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61 views

Setting up networking after importing an AWS image

I have exported an AWS image to a Virtualbox VM. It is an Ubuntu 18.04 distro. In VirtualBox, networking is set to use a bridged adapter. ssh requires a private key, which I have but I do not know ...
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1answer
107 views

Setting up a dns server with a virtualbox vm running Ubuntu and making it accessible via vlans

I have a virtual box vm I want to use as a dns server for my local network. I have a few vlans setup. The vm host is 10.0.50.2 The vm is 10.0.50.4 I want to keep everyone out of the 10.0.50.4 network ...
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2answers
55 views

What is the difference between IDE and SATA controlers?

On my Kali Linux storage devices,I have SATA and IDE controllers. What is the difference between them? I added kali and created kali.vdi disk on SATA? I sthis the right choice?
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109 views

KVM / Vagrant+Virtualbox creating 2 default routes, preventing access from network

Update - It would appear to be because there are 2 gateways defined (using either KVM or Vagrant + Virtualbox) deleting the first one after the virtual machine has spun up solves the problem. q1. Why ...
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1answer
45 views

Accessing Bottle webserver VM form Host

I have an Ubuntu VirtualBox VM running and Bottle webserver on http://0.0.0.0:8080. How can I access this on my host (OSX)? I want to do this because accessing the web server using FireFox on the VM ...
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1answer
40 views

Permanently remove interface ipv6 address

I am running Ubuntu servers 16.04.5 LTS in virtual box. The servers are connected with an internal network to which want to assigne an IPv6 address range fd01:2345:6789:abcd::/64. The interface ...
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1answer
43 views

Is there an update only mode for Windows?

I have a windows virtual machine (VirtualBox) that I reset to a snapshot on an hourly basis. The purpose is to provide a safe & consistent internet accessible DEMO / Test environment. On an ...
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0answers
105 views

How to fully emulate VM hardware?

How do I fully emulate, pass through, or spoof all the hardware for a virtual machine? I want to set up a few guest VMs in such a way that they do not have any special drivers or odd hardware info. ...
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1answer
428 views

Migrate from VirtualBox to GCP

I've some in house testing VM's, primarily win10 that I host on Virtualbox, I'd like to move these to GCP but there doesn't' seem to be a simple way to do this. anyone got any advice?
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1answer
26 views

Issue with configuring internet gateway on Debian server

VM2 connected to internet gateway (VM1) cannot access internet (VirtualBox) I have installed VirtualBox VMs on my Linux (Ubuntu) which has wired internet connection. I want to connect my VM2 (Server ...
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2answers
30 views

Access to the Docker containers

For example I have Host Machine HM (Mac OS). Inside HM I have installed Virtual Box that contains one virtual machine (boot2docker) VM1 (192.168.99.1 at my host interface). Inside VM1 I have docker's ...
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1answer
189 views

Forwarding and routing issues using linux bridge

I have two containers running (A and B) inside a Virtual Machine (Ubuntu 18.04). For network simulation purposes I am routing packets from A to B (this part works). What I want to do is to allow A and ...
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139 views

How to migrate windows guest from XenServer 6.5 to Virtualbox (latest)

Does anyone know the simplest way to migrate a Windows 10 Pro (x64) guest from a XenServer 6.5 host to Virtualbox? XenServer is proving to be very difficult to manage for this setup, which is to ...
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1answer
53 views

CentOS VitualBox Downgrade

I got a linux CentOS 7 as a host for virtual machines enviroments, mostly Windows. I use VirtualBox with Vagrant to build the machines. Lately I upgraded both: VirtualBox from 5.2.18 to 5.2.22 and ...
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1answer
250 views

Unable to SSH from Mac OS to Ubuntu VM on Virtualbox

I was looking for some assistance with SSH. I have a Mac and on it, I have virtualbox installed. I have 2 VM's on it, one is a windows 10 VM and another one is Ubuntu. Both exposed to each other on ...
2
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2answers
1k views

How can systemd autostart and control VirtualBox guests?

In my particular case, with a new server installation of Ubuntu 18.04 Bionic and VirtualBox-5.2.20, it appears the old method of auto-starting guests is no longer available. Not that it was that ...
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153 views

Hard disk problems in guest (not host) cause VirtualBox guest to get stuck

I started using VirtualBox on a new host. For the second time, one of the guest instances gets stuck. After I restart it (which necessitated kill -1 of its process), I see the below lines in its ...
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1answer
278 views

Windows server VM can't access internet through pfSense

System overview: 1.Ubuntu 18.4 running virtualbox. 2.Two VM machines, pfSense firewall and windows server 2016. I'am trying to configure the windows server to go through the pfSense, so i chosed a ...