Questions tagged [virtual-machines]

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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Help Me Spec A Server for MAX VMs Reasonable Cost

I am planning on building servers to host the max number of VMs. Right now I have seperate machines running some applications, datamining type stuff and they each have about 1gig ram, 600-1GHz CPU and ...
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VMs restarted during backup job - due to VM patching

I wonder what will happen when the VMs are restarted while backup is running ? Our backup runs almost 12 hrs at night. And at that time, we are also going to apply the patches and reboot the VMs. I ...
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Virtual Machine (Sun's VirtualBox) to a real PC

I would like to create a virutal machine that I could clone to real computers (about 40) (every computer have the same configuration: MOBO, Video, Drivers). I have to use Sun's VirtualBox. Is there ...
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Virtual PC Performance Issue on 64-bit Vista

I am running 64-bit Vista with 8 GB ram and 4 cores. It supports hardware-assited virtualization. Using Virtual PC 2007, my newly built 32-bit Windows XP Pro VM is running incredibly poorly. Even the ...
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Is it possible to set a permanent MAC address for a VMWare virtual machine?

I have some software running on a Windows virtual machine. I am using VMWare as the virtualization technology. The problem comes in with the software's activation / registration. The company who ...
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How to prevent multiple users from simultaneously accessing an Azure VM?

We created a VM as a replacement for physical machine with rarely used software on it. When I tested it I noticed when a second user accesses the VM, the first user is kicked out and sees the message &...
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Can we mount single SAN block level storage are on two separate VMs having different OSs

We have one VM having HP-UX, on which a storage area is already mounted from SAN as block level vxfs. We need to share the same storage area on another VM in real-time read-only mode but we can only ...
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How can i restart my azure VM

I'm curious about Azure virtual machines and sharepoint farm solution.after configure sharepoint for 3 days after i had problem,Failed to start virtual machine. While i press restart button it shows ...
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Migrate an Azure VM's data disk from Premium storage account to Standard

I have an Ubuntu VM with a separate mounted data disk on a Premium storage account. The data disk is very large and as a result it is costing me more than I would like. I've tried copying the VHD ...
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Azure resize VM to premium storage

I have a classic D-series VM on azure whose load on the disks increased to the point where it needs more IOPS than supported by the regular disk blobs. I tried resizing it to DS-series, but I can't, ...
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Is having a network hosted Windows installation on a Virtual Disk Image where approximately 20 users use via VirtualBox a viable idea?

I've been considering an idea for a small business secure workspace where each PC is using a flavor of linux, like Xubuntu, so that people can't easily install applications or modify the workstation ...
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Share SSL certificate between VM

I have a SSL certificate for example.com, and I want to protect with it: My home page (example.com) running on a VM in Azure My servlet (servlet.example.com) which is running on a different VM (but ...
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Can the name “localhost” in a virtual machine be mapped to IP of host machine?

I have a virtual machine image (using Virtual PC) of Windows XP/IE6 from Microsoft's "modern IE" website. This virtual machine is hosted by a Windows 7 machine. I have a local web application on the ...
Stephen's user avatar
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Reboot VPS by reaching memory limit

When a server uses memory more than available RAM, the system will shut down the virtual machine. Then, it is only possible to boot from outside (VPS control panel, e.g. vePortal or SolusVM). However, ...
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VMWare ESX installation on sata disk

I have a PC with Gigabyte H77 motherboard with Intel I5-3550 CPU 8 GB RAM 1600MHz and a 500GB Harddisk (7200RPM) - WD Sata III disk I wish to install esx on it and run some virtual machines on it. ...
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Ghosting a production computer, do I need exact hardware?

I have become responsible for a workstation which runs a single program, which interfaces to some hardware and runs a process. I'm worried about this machine failing and the process being down for an ...
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virtual machines and windows update

I have windows datacenter on my root partition, that installed windows update. I have enterprize on my children, they will not update. For them to update should they be datacenter too, or can you not ...
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Why issues occured while i use the same VM image for domain controller and for other machines?

We have hosted an Windows 2008 R2 server image in VMware ESXi and made it as domain controller. We have used the same image for many other machines. When we try to add those machines into domain , we ...
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can't open file with vmware workstation

I have a problem. I had file copy with veeam of my virtual machine on ESXi server, to my local hard disk. I'd like to open it with vmware workstation 8, but I get message: The disk ...Debian.vmdk ...
Milana Malkic's user avatar
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Find ip address of VM or Container using a bridge

I have a virtual machine/LXC container that is using a bridge (on br0) to access the network. On the system that is hosting the virtual machine and the bridge, I would like to be able to tell what ...
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CPU or Memory intensive for running Oracle VM on laptop

Say a 2011 laptop with Windows 7 installed by default, and have Oracle VirtualBox VM running another Ubuntu on it. The spec is like 2nd generation Intel i7, 8G DDR3 DRAM. In this scenario, is CPU, ...
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Can't ping guest machine on Hyper-V setup

I'm having a problem with a Hyper-V configuration. I can ping the host from the guest, but not the guest from the host! Here's my setup: The host has its own NIC connecting to the network. The ...
Nick's user avatar
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Windows - Copying files to multiple computers

I have several virtual machines (all running windows) based on different servers. I need to copy some files to all these computers. I have admin userid and passwords for all these machines. Some times ...
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Turn existing Red Hat Server into desktop VM

Is it possible to download an existing Red Hat installation and use this in a VM that I can run on the desktop. The problem I'm trying to solve is building an exact replicate of a production server ...
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How can I figure out which virtualization solution is being used on my commercial VM?

I have a linux VM on a popular VM provider. How can I figure out how it's implemented? In particular I want to figure out "If the Hypervisor is simulating 4 processors in 1 thread on the physical ...
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Rent A Virtual Machine

I'm looking to rent access to virtual machines for testing of our online services from areas of the world other than North America. Specifically: Australia, Europe, Japan, South America, and wherever ...
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Which is better for performance a minimal virtual machine or full install?

I just started experimenting with ubuntu server. I have a minimal virtual machine ubuntu server 9.04 64bit running on my macbook. It's great for testing. In actual practice, would a full install ...
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Does VM machine can replace physical machine,

We have 254 Physical servers when all machines are DELL servers R740. servers are part of Hadoop cluster. most of them are holding HDFS filesystem and data node & node manager services, part of ...
King David's user avatar
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Using host loopback device into VMs

While deciding what IP address to assign to a local VM a question arose into my mind: why can't I just assign an address of the 127.0.0.0/8 net (so I can avoid any kind of IP clashing)? After all, it ...
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How to connect veth interfaces to bridge slave ports

This will probably be easier to explain with a diagram, so this is the basic setup: There are 2 containers 10.0.0.1 & 10.0.0.2 running inside a host machine, and I've also created a linux bridge ...
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How to in-place register a VM to the host's default location

There seems to be a glaring hole in Hyper-V's virtual machine export/import toolset. Perhaps I'm mistaken with this assessment, but I don't think so. I have a VM that I restored from backup after a ...
InteXX's user avatar
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How to suspend GKE node instances without deleting and re-creating the nodes

We have a GKE cluster with autoscaling enabled. We are having google schedulers to shut down instances daily at a specific time. This also shuts down the GKE nodes. Since these clusters has ...
Meghana B Srinath's user avatar
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How to run several ESXi VMs that must have the same MAC address?

For various reasons I have to run a few (≈6) clones of the same virtual machine at my lab ESXi server at work and unfortunately the MAC address must not be changed between the clones. Changing IP is ...
LapplandsCohan's user avatar
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Google Compute: Weird error on moving VM instance to different region

Since my Google Compute VM instance randomly stopped working because the current region "does not have enough resources available", I rationally decided to move my VM instance away from the probable ...
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With static IP on Hyper-V ping to VM fails

I have configured a VM on Hyper-v. With the VM network adapter configured to receive DHCP the ping works fine but when I set it to static IP address ping from host to VM always returns time out .I am ...
Rajesh's user avatar
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Check Azure VM data disk details through PowerShell

I am trying to get the details for Data Disk attached to the particular VM. The Main purpose is to get notified when the disk space is highly utilized. I can get the names of Data disks attached to ...
Bishmeet Singh's user avatar
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How to set up a Server 2016 VM as if it's in Australia

To help troubleshoot some issues (mainly around database collation and time zone conversions), we need a VM that think's it's located in Australia. The primary goal is to have Latin1_General_CI_AS be ...
Casey Crookston's user avatar
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Configure Linux server to make it's VM's IP accessible from outside

I have a physical Linux server (parent). I've installed a VM on that server (Virtualbox). I've created a web project on that VM, and now it's accessible from 192.168.10.10. But it's only accessible ...
aspirinemaga's user avatar
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Leading to "insecure" warning page only if I use the external IP of the VM (but otherwise worked properly)

Here is the current situation of my deployed web app, which I want to be compatible with SSL and already put my certificate and its key on the virtual machine (Ubuntu with nginx): When I typed in the ...
Blaszard's user avatar
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2 answers
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Add network interface to vm in azure

I have VM with windows server in Azure with dynamic IP. Now, I want add second network interface with static IP. So, I created "public IP-address", created network interface and Associate IP and ...
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Trigger a re-run of DSC check on Azure Virtual Machine

I'm running through simple exercises to learn Azure and Powershell DSC. This blog entry provides the perfect "Hello World" example for DSC: Configuration HelloWorldConfig { Node localhost ...
Andrew Shepherd's user avatar
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Partial clone of virtual machine in VMware

I have to clone a virtual machine hosted by a VMware ESXi server. In particular, the virtual machine has three disks: is there a way to clone the machine not entirely? In other words, I don't care ...
A M's user avatar
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Transfer VM from inside (guest OS)

I need to clone VM and transfer it to another (dev) environment. But I don't have access to hypervisor. Do you know of software (trial/free) or algorithm for the task? I'm thinking the steps are ...
dbardakov's user avatar
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1 answer
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Azure OS Disk says Standard but VM is Premium Disk

I created a VM with premiums storage (DS), but my existing VHD I created it from was on a standard disk. Is this VM still considered premium performance even though the disk says Standard where the ...
exposure's user avatar
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Automate Windows update on multiple Virtual servers

hope you guys can help. I work for a tech support company that manages servers for many clients in a virtual environment. We personally host about half the clients, while the others have onsite ...
Jon C's user avatar
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CPU Load on Virtual Machine

This picture shows the CPU Usage of a Debian 8 installation running on a Virtual Machine (VMWare ESXi). I'm wondering about two things here Why doesn't the usage sum up to 200% (the virtual machine ...
0x4a42's user avatar
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Azure VM going cold when unused?

My virtual machines usually have nothing to do between 7pm until midnight when they reschedule a lot of work for the rest of the day. The scheduling starts with fetching a list of tasks and times from ...
Daniel Wardin's user avatar
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nic configuration on a linux virtual machine (rackspace)

I am trying to check my nic speed and duplex setting on a vm I have at rackspace. It is centos 6.4. When I run: # ethtool eth0 Settings for eth0: Link detected: yes This is all I get back. ...
Joelio's user avatar
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Setting up a private server for Windows and Mac Computers [closed]

I work in a University Laboratory and we want to install a server that allows each user to login to any computer in the lab with their own credential (We have a small laboratory with about 10 ...
Mink's user avatar
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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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