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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18 views

CentOS Qemu+KVM lot of virtual machine processes

I am on host-machine with Centos 6.5, qemu+KVM and 2 virtual hosts in it (behind NAT). Both virtual hosts were configured with Virtual Machine Manager (one of them is with Windows 2003 and other with ...
1
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2answers
31 views

Connecting a LAN drive to Windows 2008 / 2012 VM instance on Google / AWS / Azure

Scenario: Our office uses a Sage software on multiple workstations. The software is individually installed on each workstations, but the database is stored on a server tower that has shared access to ...
4
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3answers
44 views

VMware CPU Hyper Threading Scheduling Affinity

I have looked everyware and read a bunch of documentation on this but haven't found a direct answer so here it goes: There is a setting in the "Resources" Tab in vCenter that lets you configure ...
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1answer
20 views

Should I deploy hadoop on physical machines or virtual machines?

We will deploy a hadoop cluster on hundreds(say 300) of physical x86 nodes. Since we have no much production deployment experience, there is a simple question as the title we want to hear response ...
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0answers
11 views

Let users upload own images in OpenNebula

I am currently checking out OpenNebula for easy VM management. My target is to allow a customer to create his own VM via the web interface (which is quite easy), but with a custom image. That means, ...
1
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0answers
34 views

Effect of firewall on virtual machine [on hold]

We have a ubuntu-12.04 host machine that has another ubuntu-12.04 guest machine running in it. The network interface between the two is bridged. I would like to put the host machine behind a firewall, ...
1
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0answers
35 views

Checking if two virtual machines are running on the same host

Is there a way to see if several Virtual Machines are running on the same host? Specifically, I have three VMWare VMs (each running a Ubuntu Server 14.04) and I have tried to compare different pieces ...
0
votes
1answer
18 views

Nginx on VM on ded. root server has very slow download rates

I'm running VMware ESXI on a kimsufi dedicated root with 100Mbit/s network access. As the root has only 1 public IPv4 available and ESXi cannot NAT its VMs, I assigned the public IP to VM#1 which is ...
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0answers
15 views

Wireshark - VMWare Network Interfaces [closed]

I've recently installed wireshark v1.12.4 on my Windows 8 Machine, and I am totally new to the program. I have a virtual machine running on vmware (Red Hat Linux 7.2) and got all the network ...
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0answers
15 views

CRM 2015 installation hangs without errors on Windows Server 2012 installed in a VM

I have installed a Windows Server 2012 and SQL Server 2012 on a VM using VMware Player and then installed Dynamics CRM 2013, working out all the configuration problems. The installation hanged once ...
0
votes
1answer
11 views

Azure VM CNAME Returns HTTP 502

I have a Virtual Machine in Azure with a Cloud Service VIP. I have opened up an HTTPS endpoint. If I alter my hosts file to point to the VIP, I can reach my IIS site without any trouble. So far so ...
1
vote
1answer
38 views

Moving Azure Virtual Machine which is Domain Controller to another region

I want to move an existing Virtualized Domain Controller from North Central Azure Region to East Region. I am aware about how to move VHDs and basically migrate it to another region. Though my ...
1
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0answers
40 views

How to make sure file in VM's folder is copied with VM when cloning VMWare Virtual Machine

I am running a vmware environment (Version 4 unfortunately) which requires me to use a bios rom file in order to run server 2012. I upload it to the root folder of the VM after creation, before boot ...
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votes
2answers
32 views

Move Azure VM from one account to another in the same Bizspark subscription [closed]

I have a Bizspark subscription with 2 accounts using some of their services. One account which is mine, has 2 VMs running. Last week I started another VM without noticing that this one was going to ...
2
votes
2answers
157 views

Do Hyper-V Virtual Machine Guest Operating systems need to be shut down before restarting Windows Server 2012 R2 they are running on?

I am fairly new to using Hyper-V. I am trying to learn the best practice for shutting down and restarting my server when virtual machines are running on it. I have a physical server running MS ...
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0answers
3 views

Cannot get LAMP stack working on Ubuntu 14.04.2 LTS [migrated]

I have Ubuntu 14.04.2 installed as a virtual machine (VirtualBox) in my MacBook Pro. I am trying to get my AMP (Apache, MySQL and PHP) stack to run a web server, but I just cant get not even the ...
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votes
0answers
10 views

Guest as Virtual machine connection to Host [migrated]

I have guest run on my machine on qemu with configuration: /usr/local/kvm/bin/qemu-system-x86_64 -enable-kvm -cpu host -smp 8 -hda ${TEST_VIRT_ENV_IMAGE} -m 4096 -netdev user,id=user.0 -device ...
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votes
1answer
30 views

Need to Upload VHD's to Azure? Best Practice?

So im pretty new to Azure, but we don't have a solid backup for our VHD's. What's the best way to set up some "weekly" upload for VHD's that have changed for instance? We have about 3-4 TB's worth. ...
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0answers
20 views

Unable to connect Azure VM with new key generated

I lost my private key that I use during the VM creation, so I resort to create another one. I first run openssl req -x509 -nodes -days 365 -newkey rsa:2048 -keyout privatekey.key -out cert.pem ...
0
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0answers
123 views

citrix xenserver 6.5 can't get vm's public network

Can't get my vm's guest out connection..! Premised: I alreay use xenserver on a test server dellt310 with two ethernet card that works perfectly, but now... -> I have an hetzner dedicated server ...
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0answers
34 views

Bus error during PHP5 is running a simple script - what?

When working with PHP scripts, I usually do not have to bother with the underlying system. Today, I have to. A PHP script (cronjob) that has worked fine is crashing since 2 days ago. The cronjob mail ...
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votes
1answer
83 views

Error when trying to install Ubuntu 14.10 Hyper-v VM from Virtual DVD .iso [closed]

I'm trying to install a Hyper-v Gen 2 Ubuntu 14.10 Virtual Machine via a DVD .iso that I have attached as a virtual DVD on my Windows Server 2012 R2 First, two things that I know will be asked: ...
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0answers
22 views

Ways to “paste” code to a VM Linux Virtual Terminal

as most of you probably know, a desktop-enviroment-less Linux Server Distro doesn't have a clipboard that VMware can use as the clipboard is part of X (i believe) and thus not available. I wonder ...
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0answers
10 views

how to power on imported vmware vm on ec2 by using ec2 cli tools

I am unable to power on and see the OS and files of an imported VMware VM on ec2. Is there any chance to have a look at the OS and files on the imported VM by using CLI tools?
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1answer
66 views

Proxmox: 1 NIC, 1 Public IP, unable to get WAN interface working in VMs

I have a computer running Proxmox, and it has 1 single NIC that is directly connected to internet and has a single public IP. Then, I have different VMs (KVM) running and one of them is pfSense. What ...
1
vote
2answers
49 views

Restarting failed hosts on VMware vSphere ESXi

When a cluster is configured for High Availability (HA), VMs can be restarted onto an alternate host when the its host has failed. However, I am wondering: if the host has failed, is there a means ...
-1
votes
1answer
45 views

Virtual Machine training setup for students [closed]

I went to a training session where I was learning to use some software. The course was administered through the use of virtual machines. The instructor had a laptop that was running some sort of ...
0
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0answers
46 views

Access port forwarded http service inside host only network vbox (docker)

I used vagrant to create a host only network for my ubuntuserver machine with this option: config.vm.network "private_network", type: "dhcp" Inside this box I have a docker container which is port ...
-1
votes
1answer
38 views

Open source firewall as a virtual appliance? [closed]

Is it possible to have an open source firewall which can run as a virtual appliance into a guest VM where all traffic from the other VMs should go through this firewall VM? And it supports also ...
2
votes
1answer
63 views

vSphere 5.5 in HA Environment and Autostart VM's [duplicate]

We have the setup as above which is "managed" by our vendor. During a recent power outage we found that none of the VM's came up upon the return of power (roughly 25 VM's), which once we discovered ...
-1
votes
1answer
295 views

failed to run bootloader: -3 on create with xl

I have a Ubuntu 14.04 migrated from Virtual Box Have 3 partitions. I've updated the /etc/fstab for recognize the new partitions and chrooted for update the grub I'm using the following ubuntu.cfg ...
3
votes
1answer
80 views

Move home directory on Azure Linux VM

I continue to encounter an issue moving my home directory to a new disk on a CentOS VM on Azure. On creation the server is configured to use a SSH key for authentication and the "no password" option ...
1
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0answers
25 views

What are the network prerequisites for Windows Azure Pack

I have followed many articles to install and config windows azure pack distributed, But every time I finish configuring everything, the azure pack is not working and give me different errors, seams to ...
1
vote
1answer
22 views

Locally runnable VM to simulate Amazon EC2 host

I'm currently managing an application hosted on the Amazon EC2 cloud. I'm curious whether it's possible to get hold of a VM that would most closely mimic the Red Hat environments that one deploys to ...
0
votes
0answers
34 views

PySphere ESXi 5.0 Python VM Provision

I found this tutorial on creating a vm with Python. http://jensd.be/?p=370 I'm stuck on the bit about "esx_host" I tried the IP of the ESXi server and 127.0.0.1 and the script errors saying it ...
0
votes
1answer
13 views

VMwaree Workstation. Estimate bandwidth between guest and host systems [closed]

How can be measured the bandwidth speed between Windows 8.1 as host OS and Turnkey LAMP (Debian I guess) stack as guest?
2
votes
2answers
134 views

Running containers inside a virtual machine?

It is my understanding that containers are much more lightweight than VMs because they do not virtualize the hardware but instead just isolate the software running in them from software running in ...
0
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0answers
52 views

Can't connect Windows Azure VM with MySQL On-premise

I have a VM on Windows Azure with Windows 2008 R2, and I'm trying to open a connection to an on-premise MySQL database hosted on another network. We cleared the VM's public IP (the one displayed on ...
0
votes
2answers
53 views

Azure virtual machines in the same network can't see each other

I created a virtual network in Azure and added few VMs in it. My expectation was to Ping/Access each machine from the other machine in the same network. However, machines don't seem to recognize each ...
0
votes
1answer
44 views

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 ...
0
votes
1answer
41 views

Hyper-v number of Virtual Processor (Virtual CPU) on Virtual Machine

VMware world recommends that you only add one Virtual CPU on each Virtual Machine unless that your application requires detect more than one CPU. Does this recommendation could be applied on ...
0
votes
1answer
27 views

Changing Azure VM networking settings

This is probably a stupid question but I am going to ask anyway. I have a VM running on Azure. I go into network connections and change the IP and gateway and I loose connection. What options do I ...
-2
votes
1answer
43 views

Virtual network - tracert to local vm results in over 255 hops [closed]

Why does my tracert take over a maximum of 255 hops, when both vm's are on the same local network, hosted on my laptop? I have a laptop which is connected to my home router via wireless lan with ...
0
votes
1answer
50 views

SSH connection lost after random time interval, both sides claim the other closed the connection

I'm connecting to a virtual solaris machine from the windows host system running virtual box. This works for a while but after some time the connection vanishes. The stange thing is that sshd claims ...
0
votes
0answers
23 views

ISCSI drives suddenly lost partitions

We have a VM host, and each VM is given an ISCSI volume to boot off of. These ISCSI volumes are stored on a second server. Today, we had to reboot the VM host because ISCSI hosts kept going into ...
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votes
1answer
34 views

Preventing operating systems from being installed on a server [closed]

Is it possible to blacklist certain operating systems from being installed on a server? Example scenarios: 1) There is an existing physical server, with no operating system. Is there a way to block ...
0
votes
0answers
22 views

Cannot connect VMWare VMs to datastore ISO but can connect to same ISO on local PC via Console

VMWare 4.0U4b (I know...) I am unable to connect new or existing VMs to ISOs contained on any of the datastores. I was able to however boot from an ISO on my local PC connected via the Console. I ...
1
vote
1answer
67 views

HyperV External Switch Multiple VMs

I'm quite new to hyperv and I am having problems setting up network access for my VMs. The host has two physical network ports and I've assigned one to an external virtual switch. I've then setup two ...
0
votes
0answers
25 views

Azure VM stopped communicating with other VM:s in same virtual network

We have three VM:s in an Azure Virtual Network: VM01 (Subnet 1) - 192.168.100.4 - Running SQL Server 2012 VM02 (Subnet 2) - 192.168.200.4 - Running IIS8 with WCF-service on port 8083 and ...
0
votes
2answers
58 views

Multiple Web Server VMs or a Single VM with virtual hosts?

I have a number of sites running on various physical servers that I'm looking at moving into our virtual environment. Most of these are small sites usually with a MySQL database. User base is ...