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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How can I find the number of vCPUs per core in an AMD processor? [on hold]

I am currently virtualizing an exchange server in vmware workstation and would like to know how many vCPUs to assign as a best practice. But I would like to understand or find out how to get the total ...
0
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1answer
25 views

internet connection sharing Hyper-v virtual machine switch

I am running hyper-v. I created a virtual external switch and configured it to be shared with the host and the VMs. However the VMs obtain dhcp information just like the host does: same gateway, same ...
9
votes
2answers
34k views

Running Mac OS X on Hyper-V

I have my workstation setup with a Windows Server 2008 running Hyper-V. Now I really want to install OS X for testing purposes. Have anyone had any success running Mac OS X in an Hyper-V environment? ...
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0answers
7 views

Securing Hyper-V data [on hold]

I'm setting up my home lab server, and planning to buy a TPM chip to secure my data. I have a few virtual machines which are using physical disks as their storage, and I'm wondering if I can both ...
-1
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1answer
15 views

Kernel panic - not syncing: Attempted to kill init ( using qemu for a Rasbian ARM image) [on hold]

I am using qemu 2.6.0 on my ubuntu 14.04 x86_64 PC. I want to emulate rasbian -- A Linux destro based on ARM Debian for Raspberry Pi. Here's the settings when using qemu /usr/local/src/qemu-2.6.0/...
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1answer
30 views

Unable to connect two PC's in a private Network

I have the following setting: VM1 (VMNET10 - private, without any other connection to the host system or the internet) VM2 (VMNET10 - same here ;)) Now i want to connect each other. I can ping ...
-3
votes
0answers
17 views

Virtualbox: ERROR: InstallMultipleProtocolInterfaces returned 2

I have a dualboot on my computer with grub in EFI mode. Windows 10 and Debian everything works fine. I try to use my physical linux partition in virtualbox from windows 10. I've followed this ...
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1answer
20 views

LXC (proxmox) JBD high (100%) IO utilisation

We have a dedicated server running a number of smaller guest VMs containing for example, HTTP server, MySQL and some real-time applications. However we find that JBD inside the guests are often ...
0
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0answers
9 views

How to deploy with terraform on bare metal [on hold]

We recently acquired a new bare-metal server with kvm. Using virtualizor.com to create vms. I'd like to use terraform to provision on the new setup. How would I go about this?
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2answers
546 views

VirtualBox: Get Guest UUID from within the Guest computer

Is there any way to get a Guest VM's UUID from within the Guest VM itself? From the Host I can do vboxmanage list vms to get a list of all vm names and their user ids. From the Guest, even with ...
2
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0answers
14 views

Why is an unassigned adapter showing up in vSwitch “Teaming and failover” order?

On two out of three ESXi 6 hosts there is an unused adapter showing up in the Teaming and failover section of a vSwitch even though that adapter is not assigned to the vSwitch (see screenshots below). ...
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0answers
15 views

Run same virtual machine twice simultaneously from the same base snapshot

I would like to have a base snapshot and then launch several virtual machines from it simultaneously. These machines have a short lifetime and then shutdown, there is no need to save the changed to ...
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1answer
2k views

Debian Jessie Qemu KVM GPU Passthrough to Windows Virtual Machine guest Virt-Manager error Bus PCI not found

I'm having problems with Virt-Manager not wanting to boot a VM and giving error: Error starting domain: internal error: process exited while connecting to monitor: char device redirected to /dev/pts/...
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votes
1answer
1k views

VMware Restart — Blank Screen

I am running VMWare Server on a Windows 2K8 server. I was wondering what the default behavior is for a restart or shutdown initiated from within the virtual host? Currently, when I restart the virtual ...
0
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0answers
11 views

How to Monitor all virtual host Web traffic in Real-Time in one console

I want to monitor web traffic from each domain I have installed on my dedicated server. All my domains were added in apache as virtual host. I need each domain Google bot hits only basis, and human ...
0
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0answers
8 views

Recommended Hardware for a school lab LTSP [duplicate]

currently I'm working on a project for a elementary school's computer room/lab. They have a lot of old computers (AMD Athlon CPU f.e.) with WinXP. The teachers are afraid of using that insecure ...
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0answers
15 views

Export or Convert Hyper-V VM to OVA/OVF

I can't find (Google) any documentation on how to export or convert hyper-v VMs to OVA or OVF. The hyper-visor is Windows Server 2012 R2 Standard. The results from Google only point to System Center ...
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2answers
16k views

Changing boot device for a QEMU-KVM virtual machine

I am trying to change the boot device for a VM. I go to the VM's XML file in /etc/libvirt/qemu and set <boot dev='cdrom' />. Still, it attempts to boot from the harddrive instead of the cdrom. ...
4
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1answer
2k views

How to get virtualized SR-IOV Infiniband interface UP?

I've spent several days on this now and I've managed to get SR-IOV working with the Mellanox Infiniband card using the latest firmware. The Virtual Functions appear in Dom0 as 06:00.1 Network ...
4
votes
3answers
2k 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 ...
0
votes
2answers
24 views

How to make a VMware machine to use the proxy of the host?

I am running shadowsocks over my host computer (which is Windows). And I am running a VMware virtual machine with Ubuntu Linux on that. How to set up this Vware/Ubuntu to use the Shadowsocks of my ...
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1answer
2k views

Error while creating VM using virt-manager on Xen

After a great struggle I got my XEN installed now I am using virt-manager and trying to create a VM. Since my H/W doesnt support full Virtualization using the Para Virtualization installation over ...
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2answers
1k views

internal error: unable to execute QEMU command 'cont': Resetting the Virtual Machine is required

I try to install a kvm img in my vps, but after i install it, it show root@wz:~# virsh list Id Name State ---------------------------------------------------- 12 ...
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2answers
2k views

Guest networking not working on Debian Jessie Host server KVM with br0 bridged network

GUESTS networking not working at all. In other words guest can not ping host or lan gateway. I have br0 bridge already created, also brctl show that vnet0 was properly added by KVM to br0 on guest ...
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1answer
433 views

How to assign dedicated vCPUs to specific VM on Proxmox (KVM) or what system could do that?

I'm posting this here, because what I've found about the topic is either outdated, incomplete or not suitable for various reasons. I have wanted for a long time to learn how to map specific vCPUs to ...
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1answer
4k views

Can I use XenServer GPU Pass-Through without XenDesktop?

XenServer documentation only covers using GPU Pass-Through ("vGPU") to run XenDesktop's "HDX 3D Pro Graphics." XenServer GPU Pass-Through cannot be used with the XenCenter VNC console and it does not ...
3
votes
2answers
601 views

Why do we use a OS Base Image with Docker if containers have no Guest OS?

I've just started to study Docker and there's something that's being quite confusing for me. As I've read on Docker's website a container is different from a virtual machine. As I understood a ...
10
votes
3answers
4k views

Is it possible to have a 100% secure virtual private server?

I am curious if it is possible to have a VPS that has data on it that is not readable by the hosting provider, but is still usable on the VPS. Obviously there are some things that you could do to ...
48
votes
8answers
94k views

How do you increase a KVM guest's disk space?

I setup an Ubuntu guest on a CentOS KVM host with initially 6GB of disk space. How do I go about increasing the Ubuntu guest's disk space from the command line? EDIT #1: I'm using a disk image file (...
1
vote
1answer
4k 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
135 views

ganeti-metad bind address based on cluster configuration

On my machine (debian jessie) ganeti-metad listens on all interfaces: # netstat -lepn | grep metad tcp 0 0 0.0.0.0:80 0.0.0.0:* LISTEN 0 66528 ...
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1answer
1k views

Private networks with SCVMM 2012 SP1 and Hyper-V

In my lab I have two hyper-v host running Windows 2012 server. For lab and test purposes I want to have private networks that are available on both hosts, and where the VMs on those networks are able ...
0
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0answers
8 views

Windows 10 Activation and VMs [duplicate]

I've just bought a laptop that came with Windows 10 preinstalled. I'd like to reformat it, install Ubuntu, and then reuse the Windows 10 license in a virtual machine. But it seems that you can't ...
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votes
1answer
23 views

How to mount a block device with no partition table in Windows

The filesystem starts from sector 0. I have an encrypted container on the host and want to pass decrypted media to the windows guest as a single physical device that is intended to be mounted on guest....
2
votes
1answer
2k views

Nginx Virtual host 403 Forbidden

I have just brought a domain name (example.com) and have setup a URL frame redirection to my server's IP XXX.XXX.XXX.XXX, however I am getting a 403 forbidden error. I can access pages fine via the ...
27
votes
12answers
97k 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).
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vote
2answers
1k views

VMWare and Turnkey Linux appliance can't access network

I have a VMWare ESXi cluster running many Windows and Linux VMs perfectly. I have installed the Turnkey Linux Redmine appliance, and am having a lot of trouble getting the networking to work properly....
1
vote
1answer
26 views

Setting up a virtual server with multiple monitors

We have a client who currently has a server running on old hardware. They want to move this server to another machine and virtualize it to make it more portable in the future (AFAIK, they use a non-...
3
votes
1answer
3k views

tap interfaces always disabled in linux bridge

I have a physical interface eth0, and I want to create two virtual interfaces and bridge them with eth0. For this purpose I do: #Create the virtual interfaces tunctl -t tap0 tunctl -t tap1 ifconfig ...
0
votes
0answers
44 views

How to install Windows on a OpenVZ SolusVM VM

So I have just installed SolusVM (Master) on a VPS and added a dedicated server as a node to the master. And have also added an IP block to the panel. I have successfully created a CentOS VM through ...
1
vote
1answer
2k views

How to configure VXLAN over linux bridge?

I am using Ubuntu 14.04 which support VXLAN configuration. Currently I can add a VXLAN interface such that: vagrant@ubuntu:~$ sudo ip link add vxlan1 type vxlan id 1 group 239.1.1.2 vagrant@ubuntu:~$ ...
2
votes
3answers
3k 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 ...
4
votes
6answers
54k views

How do I resolve a 503 Server Unavailable connection error on VMware ESXi?

I have a VMware ESXi server which has been up and running for nearly 200 days. The past few days, when I try to connect to it using the VMware vSphere Client, I am unable to connect. After entering my ...
1
vote
1answer
162 views

LXD 2.0 on Debian 8.4

I'm running Debian 8.4 and would like to set-up recently released LXD 2.0. Is this feasible, or should I stick with LXC? It seems all focus is on using LXD with Ubuntu.
0
votes
1answer
28 views

vcenter isn't seeing open vm tools

Centos 7 DVD is packaged with open vm tools. But this is what I see in vCenter: VMware actually recommends running Open VM tools. When I tried to install vmware tools I got this message: open-vm-...
2
votes
2answers
1k 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 ...
1
vote
1answer
19 views

Upgrading Debian Squeeze with OpenVZ to Debian 7/8 with LXC

I have a few servers which are running Debian 6 (Squeeze) which uses OpenVZ to run containers. The containers are some Debian 6 and some Debian 7. Squeeze was the last version of Debian to support ...
3
votes
2answers
5k views

Install windows 2012 R2 over KVM-virtualizaton

I'm trying to install Windows Server 2012 R2 over linux KVM-virtualization. The installation process stops and requires drivers to continue. I'm trying with virtio drivers from fedora but doesn't ...
0
votes
0answers
15 views

No network on XenServer VMs

I'm trying to set up a CloudStack private cloud with advanced networking and I seem to have navigated most of the hard part. The problem now is my system VMs are not able to access the public gateway ...
0
votes
2answers
45 views

I need to set up a sftp server, that could use different keys, and use different directories for the same login, depending on the ip used

I got a problem, that I cannot solve myself. I tried to google it, but no satiscactory solution that i could find. I have a server that is available with let's say 3 different IP addresses (A,B,C), ...