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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837 views

Can't rdp into new ( or old ) Azure VM

I have an Azure account with a VM on it. I haven't used it in about 8 months. I tried to connect today but it wont take my creds. Now I'm not entirely sure that I have my password correct, pretty ...
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2answers
471 views

Switching from Virtual Server to Physical Server

In the factory where I work there is an Hp ProLiant ML350 G6 with VmWare installed, only hosting a Windows Server 2000 Virtual machine (4Gb ram and 5GHz max CPU). All our PCs (30-40) connect to some ...
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2answers
204 views

Permissions to edit network configuration

We ship a virtual machine to the clients which runs a web service. Clients need to install this virtual machine on one of their hosts using an hypervisor and just need to modify the network ...
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1answer
257 views

Corrupted text file recovery (Win7 x64) [closed]

I'm having some difficulties in recovering the contents of a .txt file. While writing to a text file, on a Win7 x64 virtual machine, the host machine crashed. After rebooting, I noticed that the ...
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1answer
185 views

How can I ssh to vm from mac under vpn

I have a vmware fusion which is installed a rhel in it, I can ssh to the rhel from my mac. But when I enabled VPN on mac, I can not ssh to rhel anymore. Details are as below: I tried Reverse SSH ...
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1answer
132 views

Create iso/image/installation from Windows XP-installation

I'm using VMware and want to create a virtual machine with Windows XP. For this I want to use the Windows XP-installation of another computer, I don't have the cd, so I want to create a iso/image (or ...
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1answer
44 views

How to find out server model on a VPS [closed]

I have a rented a vps server and I would like to find out the brand and model of this server, for example: Dell Poweredge 2950 Thanks
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1answer
80 views

i2b2 VM: Copy VM won't give me a valid IP address

After downloading a VM image and making a copy of it, I tried booting up both of them on the same Windows workstation using VMWare Player. I am unable to get an IP address for the second one in my ...
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2answers
87 views

Do only Servers support VM? [closed]

I'm being told that only Servers support VM. Desktop models do not. What if the hardware characteristic so that I know if box supports real VM? In this CentOS wiki: http://wiki.centos.org/HowTos/KVM ...
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1answer
102 views

VMWare - Get notified when someone is accessing via Remote-Console

recently i (got) moved to a virtual machine with my workstation. There's only one thing i am worry about - 40 people will have the ability to watch me working without me knowing about (except cursor ...
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1answer
671 views

How to move files between 2 servers, dedicated server and azure VM [closed]

I am moving from a dedicated server on a hosting company to a new windows azure VM, I need to transfer all files from dedicated server to the new VM, there are about 200GB files to move, I want to ...
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0answers
35 views

Bridged Connection weird IP release in the NAT router

I use Vmware Player 6.0.2 to run linux on my linux machine with no vmware tools. Both linuxes are Slackware 14.1. In my guest system I have a web-server with bridged connection. Both, host and guest, ...
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0answers
221 views

Can't boot VM after P2V or ghost - Linux 2.6

I got this old machine that runs on a p2 400 and a Linux Debian 3.1 with kernel 2.6.8 and since it has modified binaries due to internal undocumented changes in the code, migrating off manually isn't ...
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0answers
64 views

Migrating a VMware ESXi 3.5 image from one server to another

The primary reason we're migrating is to keep all our configuration settings ... php, mysql, Apache Solr ... the same when we change servers. The existing server is behind a firewall and that's all ...
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1answer
5k views

Linux Red Hat Resize VM resize2fs - Couldn't find valid filesystem superblock

I'm trying to increase the size of a Linux Red Hat Virtual Machine by 10Gig. This is just on a Test Server I created that I'm trying to figure out. I increased the VM by 10 gig with this command ...
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1answer
671 views

Why Are There Only 65,535 Ports, and Will We Ever Have More? [closed]

I understand the original reasoning behind having 65,535 ports per IP address: this is the highest number that can be represented by a 16-bit, or 2-byte, number, and it wasn't conceivable that ...
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0answers
258 views

ESXi 4.1 VM gone after hard reboot

I have a serious problem here. After I forced a reboot of a freezed ESXi 4.1 server, a VM is literally gone. When I ssh to the host and run ls -lah inside the datastore, it returnes: ...
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1answer
220 views

check a vps guest memory usage and CPU usage

I have vps guests that are managed by KVM and libvirt. Using virt-df, I am able to check the real disk usage of each vps guest. #virt-df [--options] -d domname Is there a similar utility tool to ...
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2answers
151 views

reached the maximum partitions on my virtual machine

I have a virtual machine and I extended the size since I needed more space. Here is what I have and the message I am getting: I was reading up and I saw some references to diskpart.exe and it gave ...
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1answer
208 views

How does migrating a running Virtual-Machine from one Hypervisor to another actually work?

How does migrating a running Virtual-Machine from one Hypervisor to another in a cloud environment actually work? I know that it is possible and that this feature exists. But what does actually ...
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votes
1answer
179 views

VM that allows host to communicate with guest while using a VPN [closed]

My goal: Run a VM locally hosted on my Windows 7 box that runs Windows Server with IIS as the guest VM. I want to communicate with with websites on the guest (Windows Server) with my host (Windows ...
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1answer
606 views

Proxmox resize failed: exit code 1

How can I resize the hard disk in proxmox? When I have tried, I get the following error. "command '/usr/bin/qemu-img resize ...
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4answers
543 views

VM Corrupted, what's the next step?

So one of our older VM's, which usually has no issues, is giving this error now when starting. It keeps going in a loop restarting and turning off with this error message. I figure it's probably ...
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1answer
541 views

Configure an Azure VM for Dynamic DNS for Cloud Services

I am trying to setup an Azure VM with proper DNS to allow multiple cloud services to communicate across cloud service boundaries. As I understand it, I need to provide my own DNS server. I do not ...
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2answers
133 views

When to employ server failover in a virtual environment

This question kind of got me thinking about fault tolerance in DHCP, so I did a little digging in my current environment and discovered that we only have 1 DHCP server per major site in our company ...
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2answers
449 views

How do I give label to vSwitches on VMWare?

I've searched extensively trying to name the vSwitches that I create, but all I can name them are "vSwitchX" where x= some number. How do I give these switches names? I'm using the Web Client. ...
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1answer
809 views

Two NIC (eth0,eth1), two global IP on same subnet. Became unreachable to IP on eth1 after reboot

I configured a CentOS 6.5 virtual server and deployed it to a remote VMware vSphere environment. We needed two IP address, so I added a virtual NIC and assigned a second IP on eth1. I didn't ...
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1answer
489 views

Add more than 10 vmnet in “vmware server” 2 [closed]

I need to create an esxi 5.5 nested environment on win 2k8 and i would want to do it on vmware server instead of workstation. vmServer has "only" 10 vmnet adapters, but i've 15 nic on my physical ...
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1answer
61 views

SQL, website and desktop application on a Windows Azure server?

I recently started considering Azure over my current VPS host PhotonVPS for Virtual Machines. I assume that Virtual Machines are the same as VPS servers (please correct me if I am wrong about that). ...
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1answer
490 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
83 views

Linux Containers (LXC) : lx-execute and networking

I have a question about LXC Containers. I have some containers, if I lxc-start them, they come up with networking fine, but I want to just be able to run commands against them using lxc-execute, ...
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1answer
33 views

List all devices emulated for a VM

I have created a VM with the below command in qemu . (KVM enabled) #qemu-kvm -m 1024 -enable-kvm -hda /var/lib/libvirt/images/fedora.img NOW, VM is launched. I would like to know the exact devices ...
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1answer
190 views

A Robocopy job to copy files from VM Windows 2003 to a windows 2008 DFS Share over WAN

I have the following in a bat file running as a scheduled task on the VM Windows 2003 server robocopy "d:\Folder\Sub folder" "\\prod.local\shareddata\Loc\Folder\SubFolder" /S /R:0 /W:5 /NP /NS /NFL ...
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2answers
193 views

Are computations performed in a Docker container exactly repeatable?

I've read the question titled "How is Docker.io different from a normal virtual machine?", but I'm still not certain how "virtual" docker containers are. For example, in a scientific setting, ...
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0answers
658 views

Any disadvantage of running a virtual machine using files for its drives hosted on freenas/zfs?

I recently got tired of the really slow I/O reads and latency (10-30 MB/s read, not sure for latency but very slow) from a provider I rent a virtual machine from. He uses freenas, the virtual machine ...
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0answers
21 views

Can't use ssh in a VM Centos [duplicate]

When I tried to connect my Ubuntu 13.10 to my VM Centos 6.5 using ssh appear the message "Connection refused" or "No route to host" even than I change the port, noting change. See here I need to use ...
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0answers
74 views

Xenserver firewall consideration

We are setting up Xenserver for a production environment with seperate VMs for a website, billing, control panel, mail. My question is, should we rely on each server's IPtables or is it necessary to ...
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1answer
275 views

Move big file from VM to host hypervisor in vmware vsphere

I have a big file (220G) I would like to move from a virtual machine to its host. The file is actually another virtual machine's disk file. for other smaller files, I would have done that with a ...
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1answer
54 views

Re-purpose DD660 (DataDomain) for VM Storage

We have an un-used DD660 (DataDomain) and an un-used x3650 M2 that we are wanting to use as a test bed for playing with Hyper-V as we look into it vs. VMware. Has anyone used a DD660 is simply ...
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0answers
47 views

Network setup issue with no connection between virtual machines

I have the following network setup: EDIT: NOTE: WARNING: In the above Windows1 should have the ip 192.168.137.1 The issue that i am having is that every machine can ping and connect to every other ...
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1answer
864 views

Which CPU model to set for guest KVM when processor is Ivy Bridge?

For a KVM host with an Ivy Bridge processor, which MODEL should use for CPU>CONFIGURATION in Virtual Machine Manager? Ivy Bridge is not available.
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1answer
123 views

Bridging is breaking the server: KVM configuration

I'm pretty new to networking and just can't get my head around this. I'm trying to setup KVM-Qemu so I can run some virtual machines. The instructions I'm following are telling me to use eth0 and ...
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0answers
630 views

Configure Windows 2012 VHD to boot in Windows 2008 R2 Hyper-V

I have a server running Windows 2008 R2 and Hyper-V. I use this server routinely to create Windows 2008 R2 and Windows 7 VHDs to boot within Hyper-V and natively. I have created a VHD, used imagex to ...
2
votes
1answer
366 views

DAG: Exchange 2010 and 2013

I have a server 2012 box that is now running AD/GC/DC/DHCP/DNS/Hyper-V and exchange 2010. The domain/exchange started on a sbs 2003 box that I recently demoted after transferring all roles to the ...
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2answers
168 views

How to send a snapshot of a VM

This may sound a bit simple and I could have it answered myself already but I just want to be sure in the process of sending someone a snapshot of my VM. So I am running vmware vsphere client version ...
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0answers
27 views

Jumphost VM not able to communicate with LAN

I have setup a jumphost VM on WinXP. It has 2 NICs. NIC1, which is the LAN, has the following IP settings: IP: 10.0.0.1 /24 (No default/ DNS configured) NIC2, which has external connections, has ...
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2answers
69 views

How does a hosting company change a file on a vserver without logging in?

In my virtual server, ssh is not on port 22, I don't allow login with passwords, and I don't allow root logins. Recently, the server was not responding. My hosting company told me that my Apache ...
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0answers
340 views

Unable to install windows 8.1 on virtual machine

How can I create a Windows 8.1 virtual machine using Proxmox? I downloaded the evaluation copy of Windows 8.1 Enterprise. However when I boot up the virtual machine, it cycles between the two below ...
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1answer
1k views

Vagrant w/VirtualBox and Multiple Network Interfaces [closed]

What's the right way to configure multiple network interfaces with Vagrant? Here's the simple Vagrant file I'm testing with: . Vagrant.configure("2") do |config| config.vm.provider :virtualbox do ...
3
votes
1answer
250 views

How to protect an appliance from unauthorized copy?

At the company I work for, we plan to build an appliance to simplify the deployment of our products. We will probably run a VM with docker containers underneath (containing the products) and a web ...