Virtualization is a group of software technologies that allow abstraction between layers of a system. This allows separation between the logical layers of the system, providing isolation, flexibility, and/or the ability to run more than one at a time. This differs from most traditional systems where ...

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1answer
25 views

Method of deploying a VB6 app to a Windows server 2012 RDS server

My environment currently has a Windows 2003 server running terminal services. That server has the visual studio 6 IDE installed. It also is responsible for running a very old ( and poorly built ) VB6 ...
1
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0answers
7 views

Windows DHCP MAC-Range to Scope allocation

I wonder if there is any options to map a specific Range of MAC addresses to a specific DHCP address scope. The thing is, I want a specific scope for address allocation to bridged Virtual Machines ...
1
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0answers
13 views

xen project - bridged interface shows 2 MACs

I have a simple xen project 4.1 setup running on debian wheezy dom0. I have noticed during a network scan that a domU gateway returned 2 mac addresses for the same IP. One MAC being the expected, ...
0
votes
1answer
38 views

how to configure linux vm as router which communicate between two subnets

I have 3 virtual machines installed on vmplayer. Out of which I have made two of them as host of two different network. Host1 ip=192.168.1.13 gateway=192.168.1.11 and Host2 ip=192.168.2.14 and ...
0
votes
1answer
768 views

Proxmox: VMs and different public IPs

I have a server which has two NICs and both are directly connected to internet. I have five different public IP addresses available for the VMs. The host machine (Proxmox) doesn't need to use any ...
0
votes
1answer
43 views

Disable VMware BIOS Legacy Diskette

In the main tab of VMware BIOS setup utility there is an option to disable "Legacy Diskette A" (and B). Which is the option to get this by means of the vmx configuration files? I tried: ...
1
vote
1answer
22 views

ICMP Request not reaching the guest machine on virtualbox

I have a virtual box (4.3.14) installed on host ubuntu 12.04. I have a guest machine ubuntu 12.04 32 bit installed on this virtual box. The problem is that, my ping request is not reaching the guest ...
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votes
4answers
229 views

Feasability of running a Virtual Network [closed]

I used to run an Active Directory domain on my home network, but have since migrated back to a plain old Workgroup. However, since my job is in .NET software development, I'd like to be able to work ...
3
votes
2answers
67 views

same subnet,different VLAN in Virtual machine

I have 2 VLAN,VLAN 100 and 101 but only one subnet i am trying to make this work with virtual machine so that VM will have two IP address in same subnet but will actually be in two VLAN. steps ...
7
votes
3answers
448 views

What does ZeroVM virtualize?

I'm having a bit of trouble wrapping my head aroung ZeroVM. Let's say I want to run Wordpress. One option is to lease a hosted virtual server running VMWare, Virtualbox, Xen, CoreOS, or something ...
-3
votes
0answers
48 views

How to have one server , that multiple users can use at the same time [closed]

i work in a company , and the owner saw a system in china , that consist of , one server with an accounting software installed on it , and for each server there's like 20 or 30 users , using that ...
0
votes
1answer
753 views

OpenVZ Can't initialize containers after install

I have installed OpenVZ on centos 6 on a dedicated server. I followed quick installation guide on openvz wiki. After installing thru yum, I don't know why, but grub.conf wasn't automatically updated ...
3
votes
1answer
860 views

Blank desktop when logging into a Virtualized Windows 2008 Terminal Server?

We have a Virtualized Terminal Server running Windows Server 2008. When the admin user logs in, everything is fine. When anyone else logs in, their desktop and start menu is blank (they have the ...
1
vote
4answers
65 views

EC2 instance snapshot

In my early days as KVM admin, when I had to do a backup of a VM image, I followed the next steps: Pause the VM Snapshot LVM volume Resume the VM Copy image Remove LVM snapshot Now I've got some ...
1
vote
1answer
75 views

Convert manual network commands into networking scripts

On a dedicated server with an hypervisor as host and Fedora 20 as guest, I successfully used the following commands in the guest VM to enable network with a IP failover: ip route add ...
0
votes
2answers
882 views

When I restart my LXC environment, the container does not re-bind to the IP address

The IP does no longer respond to a remote ping With restart I mean: lxc-stop -n vm3 lxc-start -n vm3 -f /etc/lxc/vm3.conf -d -- /etc/network/interfaces auto lo iface lo inet loopback up route ...
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votes
1answer
21 views

Vmware Server2 Last known working kernel version [closed]

I hope there is some vmware expert here who can help me out. I would like to know what is the lastest Linux Kernel version which known to work with Vmware Server 2.0.2. What I using right now is ...
0
votes
1answer
55 views

zeroshell with multiwan on virtualbox

I'm planning to setup Zeroshell as a router gateway for a school network on Virtualbox. The host machine will run Ubuntu server edition. Then I will install Zeroshell as a guest Os with 4 configured ...
6
votes
5answers
5k views

Get list of DHCP clients with KVM+libvirt?

I have several VMs running on Ubuntu 9.10 via KVM+libvirt. I want to be able to find out the IP address that has been assigned to each host without physically opening a physical "console" to each ...
0
votes
1answer
2k views

File .vmx not found error when trying to create a VM snapshot after removing an independent volume

I had had a Windows VM having a second virtual drive configured as an independant volume placed on a second datastore on a VMWare ESXi 5 server. Then I have removed the second drive by removing it in ...
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votes
0answers
14 views

Please help me to choose the best server for running virtual machine [duplicate]

I would need to setup 10 Virtual Ubuntu servers for my project.I will be using the same server for couple of other purposes in future too like running SVN,JENKINS and couple of other light resource ...
0
votes
1answer
713 views

XenCenter cannot connect to XenServer

I am trying to establish a connection using XenCenter 6.0 to a server where XenServer 6.0 is installed, but it gives me the following error message: Unable to connect to server '192.xxx.xxx.xxx'. ...
0
votes
1answer
25 views

VirtualMachine is not available from bridged interface outside the local network

I'm unable to connect to any service running in my VirtualMachine from Outside my local network. My VM has the following configuration: eth0 - Host Only Network eth1 - Bridged Network (Therefore ...
0
votes
1answer
3k views

Unable to ping between host machines and guest vms running on Vmware

In order to learn a bit about system administration, I've installed a Centos vm using Vmware on my local machine running Windows 7. Everything seems to be working fine since I can access the internet ...
0
votes
3answers
787 views

Is there option to provide IP address while cloning a VM itself in XEN

I use XEN virtualization platform. I have configured its networking in xenbr0 mode. I have set up one base VM and I am cloning it to create new VMs by using virt-clone command. My question is there ...
0
votes
1answer
4k views

CentOS 7 Minimal Install doesn't comes with networks scripts? Which version to use then? [closed]

I'm installing CentOS 7 as virtual machine but I'm having some problems related to network. As image shows I select Minimal Install for later add trough YUM any packages I want as for example: PHP, ...
1
vote
1answer
691 views

Cannot connect to Openstack Instance via horizon, but SSH works?

I've got an OpenStack deployment running inside a VM for testing purposes. My setup is as follows: Host Ubuntu x64 with Virtualbox -> Guest Ubuntu x64 with OpenStack -> Ubuntu X64 Server Test ...
0
votes
1answer
34 views

Citrix Xen Server 5.6: Virtual Machines (VM) Deleted or Gone Missing?

In my environment I have a Citrix Xen Server (ver 5.6) with multiple VM's setup in my lab on a local partition mount. I arrived to my lab setup last week to find that my VM's have gone missing. The ...
0
votes
0answers
3 views

Pinging between two different vm's with different subnet on same host [migrated]

I am running a windows machine and i am running virtualbox on it I have two VM's for cent os. I want the two VM's to ping each other but they should have different subnets. I am not really sure how ...
0
votes
1answer
2k views

How do I tunnel an HTTPS proxy through a virtual machine (VMWare)

I have a personal setup at home using VMWare Workstation. I also have a set of Virtual Private Machines that run Squid, and therefore provide me HTTPS proxy tunnels. Using Proxifier, I can tunnel all ...
2
votes
2answers
50 views

Does 'vim-cmd vmsvc/snapshot.create' create a functional backup of the guest?

If I create a snapshot with: 'vim-cmd vmsvc/snapshot.create' I can then transfer the file that creates to another system, or even to another vmware ESXi system. Setting aside the fact that ...
1
vote
2answers
2k views

Virtualizing a Windows 2000 host for use in Hyper-V

I'm looking for a way to successfully import a Windows 2000 host (running several legacy applications that do not work on newer editions of Windows). I normally like to use Disk2VHD for making a ...
2
votes
2answers
941 views

VSFTPD does not allow upload with virtual users

I am attempting to setup VSFTPD with virtual users on a server running Ubuntu 12.04. I have configured the server to allow for virtual users to login, but I am having trouble getting it to allow ...
1
vote
1answer
23 views

Win7 VM network is flaky after migrating from Hyper-V 2012 to 2012R2 and upgrading integration software

I'm in the process of upgrading our Windows 2012 Hyper-V hosts to 2012R2. As part of this process, I am migrating existing VMs from the 2012 hosts to hosts that have already been rebuilt. These are ...
0
votes
0answers
4 views

Guest VMs unable to ping each other within a custom host-only network in vmware workstation [migrated]

I have created a custom host only network VMNet2(without dhcp) in VMware workstation and connected my three VMs with this network. But the problem is I cannot ping any VM from any other VM, However I ...
1
vote
1answer
2k views

Difference between 'Custom' and 'LAN Segments' networking options in VMWare 8?

For communicating between VMs, what is the difference between the 'Custom' and 'LAN Segments' networking options in VMWare 8? The documentation is not clear. Does one of them have any advantage ...
1
vote
2answers
786 views

Xen Remus setup

Currently, I'm running the IT for a small organization, and we just purchased a new server to replace our aging Dell poweredge. As the Dell isn't so bad as to be junk, I was hoping to set up Xen on ...
0
votes
1answer
909 views

setting CPU cache size and model for KVM guest

Is there any possibility to create a custom CPU model for KVM Linux guests, or at least to modify parameters such as cache size and model name? I know I can set CPU features, topology and pinning and ...
0
votes
1answer
19 views

weird bridge issue in KVM

on Centos 6.5 i have a bridge network connected to eth4 and my virtual machine (Centos6.5) running on KVM is also connected to that interface(vnet0) bridge name bridge id STP ...
2
votes
0answers
22 views

Can I convert a physical non-bootable sata volume to a VHD image for mounting in a VM as 2nd volume?

I'm converting physical machines in the office to virtual machines using Disk2vhd, and it doesn't list the second physical hard drive that is in one of the physical machines. Does that mean I cannot ...
1
vote
6answers
298 views

Failure of virtual SCSI device, Server 2012 Hyper-V - EventId 129 - Reset to device, \DeviceRaidPort0, was issued

Been running Server 2012 Hyper-V for a few months now quite reliably. That was until the following event started: EventId 129 - Reset to device, \DeviceRaidPort0, was issued When this occurs all ...
0
votes
0answers
8 views

Are Xen 4.1 virtual machines compatible with XCP?

I have a couple of vm installed with Xen 4.1 (basic Xen Hypervisor), now I would like to install XCP packages on my wheezy server. I've read that XCP took control of the server disks and network ...
1
vote
2answers
91 views

Pros and cons of virtualization [closed]

I'm aware of many questions here discussing similar topic, but in this case, I'll try to be much more specific. One target scenario is small to mid-size ISV, the second scenario is an enterprise ...
0
votes
0answers
63 views

XenServer HA (failover VM's) without shared storage

In the university from Uruguay where I work, we have 2 IBM BladeCenter S with 4 server blades each one. Each blade have XenServer 6.2 installed and working. Our idea is have each BladeCenter in ...
4
votes
1answer
76 views

Should new Linux VMs under ESXi 5.5 mount their filesystems with discard option?

When creating new Linux virtual machines using recent (>= 2014) distributions in VMware ESXi 5.5, should they mount their filesystems with the discard option ? I make the assumption that the VM's ...
9
votes
1answer
3k views

Read/write access for passthrough (9p) filesystems with libvirt/qemu?

I have recently started experimenting with the support for passthrough filesystems in recent versions of KVM/QEMU/libvirt. Making the filesystems available for read access has "just worked", but I'm ...
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votes
3answers
39 views

Linux CLI server with a virtual windows machine running? [closed]

I have a ubuntu CLI server and I am wondering if it's possible to install a windows machine on a CLI server? My hope is that I can take a pre-made VirutalBOX or VMware image and put it on my Ubuntu ...
12
votes
11answers
30k views

How do I know if I'm working on a Virtual Machine or not?

Is there a way to know if the Windows machine I'm working on is virtual or physical? (I'm connecting with RDP to the machine. If it's a virtual machine it is working and handled by VMWare).
0
votes
0answers
39 views

KVM : VMs need several restarts to boot (on 2 different hosts)

I'm using a KVM hypervisor on a Ubuntu Server 12.04 server. My virtual machine's virtual disks are LVM volumes, formatted as ext3. The guest OSes are all Ubuntu 12.04 and 14.04 server. Everything ...
0
votes
1answer
159 views

CARP Virtual IP does not ping in virtualized environment

We have three physical machines with SmartOS on them in a LAN. Two of them, 10.40.0.30 and 10.40.0.240 are hypervisors with two pfSense-based virtualized gateways on them. These gateways have ...