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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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 ...
0
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2answers
98 views

Make ESXi VM use client network

Is it possible to make the ESXi VM to use the network that from where the remote console to the VM (in question) is initiated? For eg. I have a VM "VM1" on an ESXi. I am initiating the remote ...
1
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3answers
1k 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" ...
0
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1answer
154 views

How to change the setting for a network device reported by ethtool, specifically Speed, on VM?

This is related to these two questions, although they don't answer my question. The machines are RHEL6. 1.ethtool not showing all the properties 2.changing network speed to 1000Mb/s Output on VM: ...
1
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1answer
68 views

Change Hardware Resources During Certain Times Of Day On Windows Azure Virtual Machine

I thought I read you could change the hardware resources during certain times, days, etc for Windows Azure Virtual Machines. I however don't see this option, am I missing it in the Azure portal or is ...
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2answers
129 views

Store VMs on the same Stick as ESXi

I've a HP N54L Microserver with an ESXi, which runs from the 16GB USB Stick. In vSphere client I can't see any volumes, where I can store my VMs. And I think that ESXi never needs 16 GB to work. Is ...
1
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0answers
274 views

Make other VMs show in Network on windows server in Azure

I'm deploying a desktop app that connects to a remote database. standard 2-tier setup, but it's not a web app. People will log in via RemoteApp. But I'm having trouble getting the app instances in ...
0
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1answer
1k 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 ...
1
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2answers
569 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
241 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
381 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 ...
1
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1answer
202 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 ...
0
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1answer
146 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 ...
1
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1answer
49 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
0
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1answer
99 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
96 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 ...
0
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1answer
115 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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votes
1answer
788 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 ...
0
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0answers
38 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, ...
0
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0answers
249 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 ...
0
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0answers
72 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 ...
1
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1answer
7k 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
2k 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 ...
3
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0answers
282 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: ...
0
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1answer
261 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 ...
0
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2answers
222 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 ...
0
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1answer
285 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
217 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 ...
0
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1answer
880 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 ...
2
votes
4answers
561 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 ...
1
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1answer
605 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 ...
2
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2answers
170 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 ...
4
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2answers
726 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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votes
1answer
872 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 ...
0
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1answer
654 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 ...
0
votes
1answer
68 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). ...
3
votes
1answer
614 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 ...
0
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1answer
100 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, ...
0
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1answer
37 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 ...
1
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1answer
232 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 ...
0
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2answers
226 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, ...
0
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0answers
823 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 ...
0
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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 ...
0
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1answer
314 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 ...
0
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1answer
63 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 ...
0
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0answers
50 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 ...
1
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1answer
1k 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.
1
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1answer
141 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 ...
1
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0answers
695 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
517 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 ...