A virtual machine (VM) is a guest Operating System running in a completely isolated environment within a normal host operating system. Modern virtual machines are implemented with either software emulation or hardware virtualization or (in most cases) both together.

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Unable to get kickstart file from locally hosted http

I'm trying to get a vm up using a kickstart file. However, whenever the virtual machine initalize, it says it is unable to located the kickstart file from the location provided. Code to build vm: ...
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4 views

Developing driver of Serial port registeration problem in VMWare ESXi 5

I'm developing driver for pci card which opens multiport(ttyS*) in ESXi 5.0. I'm using VMware ESXi and having problem related to serial port registeration in driver. For my learning May i know ...
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17 views

Authenticating a virtual machine against a git server

I have a CentOS 7 VM hosted on a Scientific Linux machine (Both branches are Red Hat). I'm using docker as the SW to emulate CentOS over SL. Communication between both is done through a bridge (a ...
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6 views

Virtual LAMP stack top choices?

Are there maintained up to date releases of Virtual LAMP stacks that run in Virtualbox/VmWare. Other than Bitnami and Turnkey and Vagrant, i used to have list but lost my bookmarks. Vagrant ...
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1answer
24 views

Understanding ssh X11 forwarding

I have a rather odd setup I'm trying to get working. I have an Ubuntu install running in a container (through Proxmox). The host computer is CentOS. Neither server is running an X instance. My host ...
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41 views

Home server bottleneck (filesystem server)

I am trying to set up a filesystem server, so that I can use my various laptops to transparently mount a directory containing many VirtualBox VMs, some of which run full graphics environments. I will ...
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14 views

OSX under Linux VM on Macbook PRO

I have a Macbook Pro, with Parallels installed, within which I have OSX Mavericks, Windows 7, and Ubuntu VM's. Its possible to install OSX Mavericks as a VM, because the hardware is a Macbook Pro. ...
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1answer
76 views

How to install UNIX In a virtual machine?

I got a laptop running Ubuntu 14.04 and I want to install some abandonware in virtual machines with VirtualBox and I chose to begin with AT&T UNIX 4 Version 2.1. I allocated for this machine 512 ...
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38 views

Create disk space on Vagrant/VirtualBox guest

I am looking to expand my VMs storage space and have done it the following way: Moved Vagrant to an external hard drive Reformatted the box to .vdi, resized it, formatted back to .vmdk Re-added the ...
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1answer
16 views

libvirtd and filtered ports

I am new to virt-manager. After having configured a virtual network (new interface virbr0) with 2 VMs that should be able to communicate, I discovered that most ports are filtered. For example, the ...
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1answer
40 views

virt-manager: is it possible to assign specific IP addresses to certains VMs via the virtual DHCP?

using virt-manager quite successfully. I am wondering if it's possible to specify in the virtual DHCP server, that some virtual machines will have a specific IP address (maybe via MAC address ...
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1answer
31 views

Installing generic-logos and generic-release on Fedora

The guidelines for Fedora remixes suggest to replaces packages fedora-logos, fedora-release, and fedora-release-notes with the generic-* equivalents when making a remix. Most tutorials online focus on ...
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1answer
12 views

GParted doesn't recognize my newly resized vdi

Before I describe the problem, I'd like to specify that I'm not confused about the size of the partitions (they haven't been extended yet, so of course they haven't grown) but the size of the actual ...
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28 views

Multicast is not received using Java on Linux

Setup is as follows: host windows machine, 2 VMs with a Host-Only Network adapter and a NAT adapter. Java program on one VM that sends a UDP packet to the following address ...
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2answers
66 views

Wine or VirtualBox for Windows proprietary software installation?

I just bought a Windows proprietary software which appears to store license keys in their internet database right after installation. After purchasing, I was provided with 1 license key, and it is ...
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41 views

vmxnet3 multiqueue support in vmware workstation

I'm working on an application based on RSS multiqueue(receive side scaling), and testing it on vmware workstation, but found that vmxnet3 nic have problem with RSS. My linux virtual machine has 4 ...
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1answer
27 views

Memory Required for SSH-only Linux Setup

I am attempting to set up a minimal Debian or CentOS installation for internal network access. The purpose of the setup will be to allow SSH access into the rest of the internal network—that's it. It ...
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0answers
32 views

Proxmox server VM growing than what i have assigned for VM disk space

I have only 2 VM's in one of the SSD hard disk server, Hard disk size was just 120 GB. I have assigned 32 GB for each VM's but now there is only 1 GB space left in /var/lib/vz. While listing the size ...
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1answer
47 views

Virtualbox vboxmanage clone does not show up in virtual machine list

I have a virtual machine that I am cloning with the command line interface to virtualbox like so: vboxmanage clonevm origVM --name origClone However, the clone is added to the directory ...
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1answer
25 views

Virtualbox list vrde port for vm on commandline

I have a Virtualbox VM that is configured with VRDE for remote access using RDP. I'm familiar with how to set the vrde port, but for a given VM I have not found a way to query the current vrde port ...
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26 views

Can't Create Win 7 VM with RHEL 6.5 VMM

I have a server running RHEL 6.5 that I primarily run VMs on it. The VMs I run on it are all Linux, with the exception of one that runs Server 2008 R2. Yesterday, I attempted to install Windows 7 as ...
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1answer
38 views

How do I install sfx files in Debian [duplicate]

I want to install a virtual machine, and i need to install a SFX file. I know the command for Ubuntu is chmod +x filename.sfx But I don't know the command for Debian. Does any one know? Please ignore ...
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1answer
37 views

Understanding NAT concepts

I began learning networking on Linux, and I am looking for a way to associate a particular IP to a particular MAC address (i.e. a way to edit the NAT table?). Actually I am trying to assign some IPs ...
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66 views

centos virtual machine not registering with intranet dns server

When I am creating a Ubuntu virtual machine on virtual box it automatically registered with DNS server in my intranet network, it has both intranet IP and domain name. When creating CentOS virtual ...
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2answers
135 views

What is a Linux container and a Linux hypervisor?

I looked at the stackexchange site but couldn't find anything. I looked at the wikipedia entry on Linux container https://en.wikipedia.org/wiki/LXC and as well as hypervisor ...
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1answer
41 views

Share wireless card with Arch Linux on VirtualBox

I'm developing a software that needs to access the list of wifi networks in Arch Linux. This is easy, just run iwlist scanning. The problem is: I'm running VirtualBox on Mac OS X and when I run this ...
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62 views

Multiple domains with one public IP?

Hosting multiple domains on seperate servers but only one public IP address with ProxmoxVE... How can I do this with an easy and quick solution? The individual servers behind the router should be ...
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21 views

Set screen resolution on Boxes

I'm using Boxes to try out Arch Linux in a Virtual Machine. It works fine but the screen resolution is 1024x768 whereas my screen has a resolution of 1366x768. How can I make my virtual machine use ...
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154 views

Keyboard doesn't working in boot menu on VirtualBox

I've just trying use CentOS 6.5 LiveCD on VirtualBox but all my attempts fail. When the system starts I see "Automatic boot in 10 sec ..." - if I do nothing, the message disappears after 10 seconds ...
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2answers
653 views

Why I can't set on the Debian 64 bit on the Virtual Box

I have installed the Virtual Box, and I would like to make a Debian virtual machine but I can't do this because my Virtual Box don't allow me to choose Debian x64. My computer and the .iso file are ...
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51 views

Running centos on a virtual machine as a webserver

I have taken the VM image of our webserver (CentOS/jboss) and would like to run it locally on my mac as a virtual machine so I can use it as a webserver when I am offline - I am using VM Fusion. The ...
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1answer
49 views

How to write shell script on VMDK to derive configuration

I have several VMDK files and I would like to write a shell scripts to derive configuration (i.e. No. of CPUs, RAM, NIC, HDDs Size, No of HDDs, etc.). How can I do this, or where do I start?
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316 views

systemd-timesyncd.service inactive on Arch on VMWare

On Arch Linux running as a guest OS on VMWare Fusion, I noticed the system time of Arch falls behind when I sleep the host OS and never gets back in sync. It appears systemd-timesyncd is loaded but ...
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276 views

Udev rule not working on Debian

I can detect and mount my USB drive on my Debian VM machine. And the first post here - explained below - works on my Ubuntu machine. Should not it work on Debian too? It doesn't of course. Why is ...
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1answer
144 views

Establish connection between Qemu Raspbian machine and Host

Objective: I would like to install several virtual (emulated) Raspberry machines on the laptop, connect them to each other and to the laptop. Afterwards I would like to send tcp packets from virtual ...
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311 views

No volume groups found after restoring CentOS image to VirtualBox VM

I used Clonezilla to backup an HP Proliant server running CentOS 5.10. I restored the image to a VirtualBox VM but when I try to boot I get an error of "No volume groups found" "Volume Group ...
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1answer
777 views

virt-manager PCI passthrough gives error “No IOMMU Found” even w/ Intel IOMMU enabled

I am trying to set up PCI passthrough in virt-manager to grant my Debian Wheezy guest VM access to my laptop's Intel Centrino N wireless card. The Debian default kernel has Intel IOMMU enabled, and I ...
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168 views

QEMU fullscreen mode on external monitor

I recently purchased an external monitor which I succesfully connected to my Lenovo Thinkpad and the accompanying Lenovo Advanced Dock via a DVI-D cable and it works fine so far. Unfortunately, I'd ...
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2answers
628 views

Can't install right grub on ArchLinux

Trying to instal ArchLinux on a Virtual Machine but I'm getting this error: When I follow the final steps to install grub https://wiki.archlinux.org/index.php/GRUB#Install_to_disk grub-install ...
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229 views

Remote connection to RedHat virtual machine from other PCs in the network

I have installed a virtual machine RHEL 6.1 using Oracle Virtual Box on my Windows 7 Computer. I have set the network options to Bridged adapter mode, my host Computer (Win-7) is connected on my home ...
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1answer
110 views

Where has my RAM gone & how to interpret atop's memory output?

For a while, I encounter RAM-shortages on my Debian webserver (VPS/virtual machine). This would not be unusual, if they happend on a regular basis. But they do not. Here's a chart from Munin: ...
2
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1answer
851 views

RAM for Kali Linux 1.0.9 VMWare 32 bit (i486)

How much RAM is the Kali Linux 1.0.9 VMWare 32 bit (i486) pre-configured to use. I have been searching on Google and various sites and cannot find the answer. I have limited, slow internet and need to ...
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3answers
735 views

how to disable time sync in VM guest?

I have a desktop (centos 6) that has a VM guest (RedHat 5.5). I just try to set the date to past time in VM guest. And it works. However, after 50 minutes, the time is sync to current time. After I ...
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1answer
433 views

Accessing file from the Windows host in a VirtualBox virtual machine

I am running Ubuntu 14.04 as the guest operating system in a VirtualBox virtual machine. The host runs Windows 8 (24GB). I want to access a folder of the host inside the guest. Since the source is ...
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118 views

Activate iSight in Linux Mint Qiana on a Virtual Machine

I'm trying to get the built-in iSight cam of my MacBook Pro 5,1 (running OS X 10.5.8 ) to run under the just-downloaded Linux Mint Qiana edition, which I have installed in Virtual Box (v.4.1.18, for ...
3
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1answer
256 views

Run AVD and VirtualBox at the same time

I'm developing for Android so I have the Android SDK installed and in it the program that runs virtual machine. Also, from the same reason, I'm running a oracle virtual box to host myself a redmine ...
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2answers
86 views

how to access the running VMs?

A colleague of a friend of mine established a voluntary project for a gaming union. But the problem now is, that the person is unavailable and I don´t know how I should access the running VMs. I spent ...
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1answer
54 views

How do I create a VM from an existing FreeBSD 8.2 PreRelease server?

I need to create a VM (VirtualBox) out of an existing freebsd 8.2 pre-release i386 machine. I need to replicate the exact same environment and I can't rebuild from scratch because FreeBsd 8.2 ...
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1answer
39 views

Vlan not connected to one network virtual machine to another network virtual machine

I created two ubuntu vm and I installed dhcp server on both the vm's. I configured the interfaces file and geting the ip address for vm1:10.192.1.2 and vm2:10.192.2.3 I have 24ports Switch. Now I ...
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25 views

Need commands to fetch Guest VM OS version from Xen and KVM

I m looking for the commands that can be executed to fetch the OS Version of the VMs running on the below Hypervisors. Xen (Not the citrix Xen server, but the Xen Sever hosted on a ubuntu Machine) ...