A virtual machine (VM) is a completely isolated guest operating system installation within a normal host operating system. It is a software implementation of a machine (i.e. a computer) that executes programs like a physical machine.

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46 views

Accessing IPMI address

Currently if I want to know the server IPMI address, I will have to go to the SBIOS and check under BMC. Is there a way to get the IPMI address from inside a virtual machine ?
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3answers
17k views

How can I create a copy of a vm in vSphere Client running on ESXi 4.0?

I'd like to create copies of the VMs located on my datastore that I can put up temporarily on a different server while I perform some maintenance on our main virtualization server. Aside from using ...
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1answer
51 views

Force network messages from VM's on same ESXi to gateway

In the context of introducing ESXi we would like to know if it is possible to force messages destined from VM_A to VM_B on the same ESXi towards the gateway. The reason behind this seemingly strange ...
3
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2answers
4k views

Hyper-V - Creating a large fixed disk - EXTREMELY Slow

Hey everyone, after posting another question here, it seems I have to create a fixed disk in order to get one 700GB. I have shut down the machine (which basically has nothing on it), and gone to ...
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1answer
109 views

Backup Hyper-V To Google Drive?

I was thinking about backing up a Hyper-V host to the cloud and a potentially crazy idea came to mind. With Google Drive, you can get 1TB of storage for 2 bucks a month. This would be more than ...
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1answer
97 views

How to create a single image of Windows Server 2008 R2 to use on a Azure Virtual machine

I am trying to migrate from a colocation where I own the servers to Azure. I have been following this article: ...
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3answers
998 views

Bridged Networking with bhyve and FreeBSD Guests does not work

I have a FreeBSD10 host with bhyve and the following IP-configuration in rc.conf: ifconfig_igb0="inet X.X.X.146 netmask 255.255.255.0 broadcast X.X.X.255" defaultrouter="X.X.X.254" ...
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5answers
222 views

What should be considered when purchasing a virtual machine set up?

I've been asked for an opinion about a purchase of a blade server that should be used for running virtual machines. I have very little experience in this, so what things should be considered in terms ...
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1answer
252 views

Deleting a .lck file in vCenter to release a VM lock?

I'm working on migrating VMs from esxi 4.1 to esxi 5.5. I was wondering if deleting the .lck file of a VM in the 4.1 datastore would let the 5.5 (connected to that same datastore) take ownership of ...
2
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1answer
61 views

Is it possible to let a web application use the combined hardware resources of a few server machines using Apache Mesos?

I am studying a framework called Apache Mesos. I am totally new to this framework. According to this website, it can combine your datacenter servers and cloud instances into one shared pool from ...
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0answers
69 views

Hadoop HA connection issue

I am using the Azure VM to build a Hadoop HA cluster, I'm trying to set up an Active namenode and a Standby namenode. But when I finished my configurations, I found I can only access one namenode via ...
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1answer
429 views

How do I get a network interface up in rhel 7?

I was given a rhel7 vmware template to use for provisioning rhel 7 test environments. When I created my vm, it booted up fine except that my network interface doesn't seem to come up. If I type ...
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1answer
75 views

How do you change host management credentials for a cluster in System Center Virtual Machine Manager?

How do you change the Host Management Credentials in System Center Virtual Machine Manager for servers in a cluster? If I right click on the server and go to properties I can see the Run As account ...
0
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1answer
417 views

CentOS 7 with vmxnet3 stops transmitting

I'm setting up a virtual machine running CentOS 7 in a vmware environment, using a vmxnet3 virtual network adapter, and have run into a rather frustrating problem: the interface stops transmitting ...
1
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0answers
96 views

Processes surviving Windows VM reboots?

Summary: A long-running virtual Windows Server 2012 system this weekend became very slow; from remote we did Restart-Computer -ComputerName xyzzy -Force, which succeeded by all accounts; except that ...
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1answer
57 views

How do I properly configure host server net adapters when using Hyper-V?

I am converting a number of physical servers to virtual ones, and I have a question regarding configuring the physical adapters on the host server. I am new to virtual machines, and have a nagging ...
4
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1answer
3k views

Renaming an Azure VM

I am looking to rename an Azure VM. I have copied a VM from one subscription to another using this guide: ...
4
votes
2answers
89 views

Unrendered Black Areas In Windows via RDP

I'm connecting from Windows Server 2012 R2 to Hyper-V virtual machine running Windows 8.1 via RDP (mstsc.exe). The VM is hosted on the same machine from which I'm connecting. Everything was fine until ...
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0answers
54 views

Destination Host Unreachable and Communications link failure when I connect to MySQL database using D2RQ library

I have a question: I have a web service which runs on a virtual machine located on a remote server with Ubuntu 12.04 operating system. Now, I want to test this Web Service and I'm using this code ...
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2answers
4k views

hyper-v could not initialize memory there is not enough space on the disk (0x80070070)‎

I have created a virtual machine on a Hyper-V server, Dell PowerEdge with 24 Gb of RAM. I want to have four VMs with 2048 Mb of RAM each. Originally, I created this one (SV-YAMATO) with 512 Mb of RAM, ...
0
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1answer
127 views

backup/restore/DR scenario for Azure single instance VM?

I apologize in advance - I'm not positive I'm even asking the right questions as I'm new to Azure. I currently have a single instance azure VM with one OS disk and one data disk. I'm running it with ...
5
votes
4answers
8k views

How to attach a virtual hard disk using VBoxManage?

What is the best method for setting the virtual hard drive (VDI) of the primary controller for an existing virtual machine? Does the syntax change if the VDI is really a child differencing disk of ...
3
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1answer
611 views

Most VMS refuse to start

Setup: Virtual Host, running server 2012, hosting around 10 production VMs Problem: Last night, 2 VMs stopped with no warning, event log notification, or any information. The rest of the VMs on this ...
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1answer
56 views

Memory Utilization Best Practices

I'm running several Linux-based VMs (vApps, actually) that have varying amounts of memory assigned to them. Some have databases, some web servers, etc. While some are using less than 40% of their ...
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1answer
346 views

How to join local computer to azure virtual server domain? [closed]

Scenario: I want to migrate my servers to cloud and retire all local servers such as DC and file server. At the same time, I wish to control the network traffic to limit the clients access to Internet ...
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1answer
2k 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 ...
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1answer
89 views

How to run azure pack portals on distributed enviroment

I installed and configured windows azure pack on 8 virtual machines, 1 component per VM, but after all installed I am trying to run the admin portal or tenant portal and both give me the same error ...
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5answers
17k views

Can a Windows 7 Ultimate product key be used for virtual machines as well? [duplicate]

Possible Duplicate: Can you help me with my software licensing question? I have Windows 7 Ultimate running on my computer, and I thought I would set up a few virtual machines to help me ...
0
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1answer
95 views

How to start multiple Azure VM at the same time?

I'm trying to use Powershell scripts to start multiple VMs at the same time. I only know how to start one single VM or all VMs at the same time, but in my case, I only want to make change to selected ...
2
votes
1answer
45 views

Auto-upgrading similar VM guest OSes

Is it possible to handle automatic upgrades of VM guests which differ only in terms of config management? I'm asking about either general or specific technologies which facilitate this. In brief, I ...
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2answers
1k views

PowerOn failure after import from Workstation 10 to esxi 5.5

I have a working VM accessed through Workstation 10. I have imported the files to ESXI 5.5, then "Add[ed it] to Inventory" through the Datastore Browser. When I try to Power On the imported VM, I get ...
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0answers
60 views

opensm infiniband route table

I have two centos 6.6 vmware vms. VMware is told to do a bridged network and to replicate physical network. eth2 is dhcp managed by NetworkManager. I am able to get to the point where I can assign ips ...
0
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1answer
24 views

Copy data from Azure AD to vm AD?

Currently I only have Azure AD that work with Office 365. Now I am planning to create a vm to use RADIUS server. I need to copy user and groups from Azure AD to vm AD. So, how can I do that? I read ...
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1answer
530 views

How to clone image and data for VM on Azure?

I'm trying to find a way to clone the image of one VM on Azure. I knew some information about 'sysprep' and Linux system, but those require delete the previous VM. In my case, I don't want to delete ...
2
votes
1answer
298 views

Can't lock vz with proxmox

I would like to backup my virtual servers to move them away. And when i have started the backup process then i only see this every time: Feb 09 08:40:34 INFO: Starting Backup of VM 101 (openvz) Feb ...
4
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0answers
55 views

Three separate VMs for webserver, database, and data crunching. Good idea? [closed]

I'm writing some quantitative marketing research software, and have a bit of a "blind leading blind" situation at work. I'm not really used to writing web apps or configuring servers; most of the ...
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2answers
55 views

Why it is necessary to rejoin the domain after reverting the server from a snapshot?

I am totally new to this, in my project i have seen that it's required to rejoin servers to the domain after reverting them from a snapshot. Can anyone please explain why this is needed and how it ...
11
votes
1answer
16k views

KVM and Libvirt - How do I hotplug a new virtio disk?

I am trying to hot-add a file-based disk to a running KVM virtual server. I've created a new disk from scratch using the command dd of=/home/cloud/vps_59/test.img bs=1 seek=5G count=0 and I was ...
0
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1answer
78 views

vSphere vApp IP address configuration. How does vApp really work?

I have a pool of ESXi-5.5.0 servers that I have configured a single vApp on. This vApp is configured in transient mode to configure IP addresses from an IP pool I specified. I assigned a single ...
14
votes
9answers
20k views

Sync LVM snapshots to backup server

I have a number of Xen virtual machines running on a number of Linux servers. These VMs store their disk images in Linux LVM volumes with device names along the lines of /dev/xenVG/SERVER001OS and so ...
1
vote
2answers
760 views

Disable TCP checksum offloading on KVM virtual network

I have a virtual network for connecting KVM guests with the host. I need to disable TCP checksum offloading on this network. The ethtool works fine but I want to disable it permanently and I could ...
0
votes
1answer
112 views

Server 2008 - Multiple Event 55 NTFS

VMware ESXi with a virtual server running Windows Server 2008 R2. Event Viewer Administrative Events logs are flooded with the following error: Event 55, Ntfs The file system structure on the disk ...
1
vote
3answers
1k views

VMWare Workstation - how to automate or script changes to the virtual network configuration

VMWare Workstation (I'm using V8 on Linux) provides a GUI tool, Virtual Network Editor (vmware-netcfg) to edit the virtual network adapter settings for use by the VMs on the system. I'm dealing with ...
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0answers
224 views

How to convert clonezilla backup image to virtual machine?

I have a 30gB tar.gz disk image of a physical debian machine, created by clonezilla - what's the easiest list of steps to follow to convert it to a virtual machine? Do i have to necessarily make .iso? ...
0
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0answers
70 views

webjob and a virtual machine communication in azure

I have an Azure Webjob that has been deployed in an Azure website, I also got virtual machine that is hosting a MongoDB database on port 27017 which can be accessed for all the virtual machines under ...
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0answers
62 views

CoreOs VM getting deleted after shutdown on libvirt

I installed CoreOs on libvirt using link https://coreos.com/docs/running-coreos/platforms/libvirt/. The VM is also showing inside Virtual Machine Manager and working fine. The problem is once I ...
0
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1answer
123 views

403 Forbidden Error on Azure Linux virtual machine [closed]

I am trying to access the freshly created virtual machine on azure via winscp and putty, through putty I am able to access the VM but via winscp I get following error, Proxy Error: 403 Forbidden. I ...
2
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1answer
2k views

qemu-system-x86_64w.exe : could not open disk image D:\img.img: Permission denied

I'm trying to use qemu on Windows (8), because I have to emulate an USB mass storage device (VirtualBox still doesn't handle USB3 which my computer only have .. and if I could have qemu working it ...
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0answers
36 views

VMs with same name an IP

Does Foreman support managing several VMs with same name and IPs, but with different certname? for example: NAME IP CertName VMLinux001 10.0.0.2 VMLinux001@domain.com ...
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1answer
117 views

Connecting two GNS3 setups in two VMs in the same PC

How do i connect these two gns3 setups in different VMs? It's all in the same PC. My end goal would be to ping each VPC to each other. I am already able to ping VPCs in with different VLANs but only ...