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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How to diagnostic internet access failure on a linux system?

I have a VM running on Xen. The virtual machine was running fine for months and suddently the network access broke down. Dom0 DomU .-------. bridge ...
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1answer
7 views

Azure multiple VM with same Virtual Public IP and Host name mapped to Virtual Public IP

I am running following two VM's on Azure within same availability set. HOST NAME First PUBLIC VIRTUAL IP (VIP) ADDRESS 104.xx.xx.26 HOST NAME Second PUBLIC VIRTUAL IP (VIP) ADDRESS 104.xx.xx.26 On ...
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0answers
15 views

How many dev windows 7 machines I can run on VM server [duplicate]

I have a 128gb RAM - 2x E7-4870 HD SAS6, 15k I would like to know how many Developer machines I can run at the same time in this configuration. Note that the developer machines are going to run ...
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3answers
42 views

ESXi: Running the same VM multiple times

I installed the vmware ESXi (6.0.0) to a dedicated PC, client computers use vmware workstation 11 to access the virtual machines and to upload them. Right now, If a user uploads and starts a virtual ...
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0answers
15 views

Virtualization solutions for small businesses [on hold]

I am looking for virtualization solution for small businesses (10-20 workers). The goal would be to be able to use multiple virtual computers at the same time from different client computers. ...
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1answer
13 views

Can't use ctrl+c to kill process in VM

We are running several RHEL 6 64-bit VM's in a vBlock infrastructure using vCenter 5.5. If I open a console session through the vSphere web client the ctrl+c keystroke will not work. This is very ...
2
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1answer
13 views

Can I replicate a standby VM between two exsi hosts in VMware vSphere Essentials Plus Kit without a cluster

I will get getting two physical hosts with their own internal storage (not shared or in a HA cluster) and VMware vSphere Essentials Plus Kit. There is a requirement to have a 'near up to date' copy ...
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2answers
34 views

how to ssh from a vm to another vm that is on a different host

I have 2 CentOS computer in the same local area network. Both computers have their own virtual machines running CentOS. I would like to ssh from the virtual machine of 1 host to the virtual machine of ...
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1answer
23 views

Connecting to Oracle DB hosted on Windows 8.1 Azure VM

I have a windows 8.1 vm created on azure, it has 14 GB of memory and 200 some GB storage. I have installed Oracle with a templated database onto it. Everything is fine with the installation and I can ...
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1answer
21 views

How to connect to a website that is running on virtual machine on specific port [on hold]

I downloaded nodejs bitnami as virtual machine and then installed there the express.js. The web application listening on port 3000 and when I write links myip:3000 it working fine. Then I try to ...
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0answers
9 views

What's the recommended way to scale individual instances in the Google cloud?

In the Google Cloud Platform, it doesn't seem to be possible to resize a VM instance (change the type) the way you can easily do so on AWS. What's the recommended usage pattern here if you run out of ...
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0answers
27 views

Hyper-v virtual machine acting as two separate vm's

I have a Hyper-V virtual machine (vm1) that has two separate instances of itself. I can log into what should be the same VM (vm1) through Hyper-v and RDP (Remote Desktop Connection) with the same ip ...
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1answer
19 views

Xenserver Virtual Adapter Limit

My understanding is that as of Xenserver 6.5 and earlier versions, you can only have 7 virtual network adapters per VM. Is there any known (probably unsupported) way around this limitation? My use ...
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0answers
16 views

Set custom cpu string for qemu/kvm

I have some virtual machines with software, which licensing check depends on cpu string. They're running on kvm - with default cpu string value - which is QEMU Virtual CPU version 1.7.1 After ...
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0answers
33 views

Azure VM - can't connect after ipconfig /release

I was having some intermittent trouble connecting from my Azure VM to an on premise SQL Server instance and, without really thinking about the consequences, I ran ipconfig /release.. Now I can't ...
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0answers
12 views

Virtualized IIS 7 Intranet page is slow when querying against SQL database

OK… I’ve been tasked to figure out why an intranet site is running slow for a small to medium sized company (less than 200 people). After three days of looking on the web. I’ve decided to post what ...
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1answer
25 views

Can I migrate a VM between vCenter servers in linked mode?

Right now I have two separate vCenter servers (one older, one brand new), each managing 3 clusters of hosts. I will eventually need to get 300-500 VM's from the old clusters to the new. If I put the ...
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2answers
28 views

No Internet access after importing virtual machine image to a new host-machine [closed]

I am on Centos 7 with KVM virtualization, imported a guest machine from .img file with virt-manager, and set up a default NAT network also with virt-manager. Guest machine pings, it is in local ...
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1answer
29 views

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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2answers
34 views

Migrating Vmware to Hyper-V - number of Virtual CPU

I'm performing a migration from VmWare to Hyper-V and the Virtual CPU that you are assigning to a Virtual Machine is different and I'd like to know what should be the equivalent values when we move a ...
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votes
2answers
34 views

How to automatic reset linux vm at every boot time [closed]

I am working on virtual linux based penetration testing lab. I have configured debian linux according to my requirements and lab (like apache, mysql, firewall, network, permissions, etc), I just want ...
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0answers
13 views

Why does Vagrant occasionally 'forget' that there is already a VM running when I try to SSH into Vagrant machine? [closed]

I keep running into an issue where when I try to SSH into my vagrant environment, it gives me the following error to the console: $ vagrant ssh VM must be created before running this command. Run ...
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1answer
21 views

Can't install .msu file in windows running in VM

This is to record a fix I found. The issue: running windows 7 in VMware player, when trying to install a .msu file from command line z:\myFilename.msu, got error message: Here Z drive is mapped ...
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1answer
20 views

What rules do I need to remote desktop to a virtual machine where the host has iptables running?

I am attempting to remote desktop to a virtual Ubuntu install (headless on VirtualBox) that resides on a Linux host (Centos 6.6). I can reach it with no issue if I turn iptables off. I feel like I ...
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1answer
38 views

Remote Desktop to KVM Virtual Machine on Centos 7

I have a virtual machine created on centos7. I want to remote connect to it via another computer besides the host. I can not seem find how to access it. I have it set up with a username and password. ...
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votes
2answers
60 views

Can a virtual machine act as a business server? [closed]

I'm new to server setup and have read a bit about the basics of a business server. What I've read is about having physical server rooms with Tower/Rack/Blade servers. My question is, is a physical ...
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3answers
33 views

can plain old Remote Desktop be used to connect to Azure VM?

Am new to Azure. Added new VM. To connect to it, have to open https://manage.windowsazure.com and then do connect command. Would like to save time and use good old Remote Desktop command from my ...
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1answer
11 views

can't remote desktop to new Azure virtual machine

How can I remote desktop to a virtual windows machine that I just created on Azure? ..because I want to move a VisualBasic web app and VisualBasic windows app from my old physical Windows server2008 ...
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0answers
18 views

KVM Virtual Machines and Public IPs

I currently have some Virtual Machines on my business dedicated server using the KVM layer as apposed to Xen or other virtualization methods. I was wondering if I could get a "best practice" on ...
0
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1answer
40 views

Azure VM and Web App in VNET VPN, changing IP and automatic start of vpn

To connect Web App to VM I created a Vnet (point 2 site). Web app can see VM now, but: it can access it just through an IP and not the host name. To use host name, I found info that I have to setup ...
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votes
1answer
36 views

website uses an invalid security certificate

I have website on ubuntu with apache server. Domain is from godaddy. When I type example.com it's running file under SSL (with https). But, for www.example.com it's giving me below error. ...
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0answers
26 views

Hyper-V doesn't recognize when a DVD is swapped

I'm running a Windows Server 2012 Host with five Windows Server 2012 guests. All have the latest updates installed. Whenever I add the Host's DVD drive to one of the guests, the guest will recognize ...
1
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1answer
58 views

Console Developer instance not working by ssh

I have two VM instances in google console developer. I can able to open by ssh for instance-1.At the same time i can't able to connect instance-2 through the browser. I got the following error. ...
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0answers
34 views

kernel panic with “iommu=on” on Centos 6.6

I have problem with virtualization passthrough. I want to enable iommu=on in the grub.conf . but after reboot , kernel panic occur . I don't know how to solve this problem . Am I miss something at ...
0
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1answer
31 views

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. ...
1
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1answer
39 views

Can I install Windows Server 2012 R2 Essentials on 1 VM and 1 Physical Server?

Anyone with experience with this, can I do this to create a secondary backup Active Directory Domain Controller? We only have 1 Server, and I hear it's best to have at least (2) Active Directory ...
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0answers
10 views

Virtualbox: deleted snapshot, vm won't boot [migrated]

The problem I accidentally deleted the snapshot file located at <virtualbox-folder>/vms/<vm-name>/Snapshots. When I try to start the VM (which the .vdi file is intact), the following ...
1
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2answers
70 views

Why does a Hyper-V, Windows Server 2008 R2 server occasionally stall?

I'm running a Virtual Machine server on Hyper-V that stalls about once a week, effectively rendering certain services it is running to be useless. -The physical host machine CPU: 6-core Xeon ...
1
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1answer
30 views

Can't connect to azure vm's through network discovery

Can't connect to azure vm's through network discovery. I have enabled: Function Discovery Resource publication SSDP Discovery Upnp Device host and DNS client I have turned off all of the firewalls, ...
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0answers
5 views

Share Ubuntu VM folder with Windows to use Visual Studio with Docker Volume [migrated]

I've been using Docker for nearly a year, running it on a Ubuntu 14.04 VM, with Sublime Text 3 for programming in Javascript/php. I would like to be able to also use visual studio for editing the ...
0
votes
1answer
37 views

Virtual web server configuration dmz [closed]

I have 2 rx300 server with Esxi and I want to use one of these as web virtual server with 2 VM running: - Mail server - WEB server for enterprise website and ecommerce. the esxi server has an iscsi ...
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0answers
17 views

How to prevent virt-viewer from asking a password

I am aware of what file I need to create, in order to prevent virt-manager from prompting me for a password. However, I'd like to create a shortcut on my desktop that opens directly the virtual image ...
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votes
1answer
26 views

Azure VMs and load balancing

am new to windows azure. I recently set up a vm and host a website, according to the SLA i need to have 2 VMs in the availability set. Now i did set up the second VM. My questions what do i need to ...
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votes
1answer
21 views

How to edit the XML config file of a domain with virsh? [closed]

How to easily edit the XML config file of a domain with virsh?
0
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0answers
57 views

something wrong with ftp connection in linux VM and windows host

I use preconfigured and set-up ubuntu minimal with wordpress on vmware. Everything is good, but FTP connection does not work as expected. I try to connect to the FTP server from windows but this gives ...
0
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1answer
34 views

Unlock Azure VM Local Administrator Password

I have been looking at this question and most of it makes sense but a lot of it is going over my head. I'm a software developer and my I.T Admin' has left leaving me with hard job of unlocking a ...
1
vote
1answer
51 views

Creating a virtual network for KVM guests spanning multiple host machines

I have 5 physical machines running Ubuntu 14.04, all of them are together in a network. These all have static IP addresses. Each of these machines has 1 to 4 virtual machines via KVM/QEMU running ...
0
votes
1answer
33 views

vagrant virtual machine making macbook run extremely hot [closed]

Everytime I run vagrant up to start my Vagrant box for development work my Macbook Pro fan kicks on and churns endlessly. The vagrant box is a Linux virtual server (CentOS) running Railo, Tomcat, ...
1
vote
1answer
48 views

how do I clone a disk that is represented by a vmdk file?

I have VirtualBox installed on Windows 8.1. I have created a CentOS 7 virtual machine that loads the contents of a detached hard drive that is connected to the PC via a SATA Wire. The virtual ...
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0answers
24 views

Unable to create VM from Azure CLI

When I try to create a new VM from Azure CLI, I get the error: "VM has been created, but there was an error during provisioning. Error: OS Provisioning failed for VM 'testvm' due to an internal ...