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.

learn more… | top users | synonyms (3)

0
votes
1answer
50 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 ...
0
votes
1answer
28 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 ...
0
votes
1answer
156 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. ...
-5
votes
2answers
82 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 ...
0
votes
3answers
57 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 ...
0
votes
1answer
120 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 ...
0
votes
0answers
28 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
votes
1answer
320 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 ...
-1
votes
1answer
203 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. ...
0
votes
0answers
49 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
vote
1answer
80 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. ...
0
votes
1answer
92 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
vote
1answer
116 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 ...
1
vote
2answers
108 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
vote
1answer
122 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, ...
0
votes
1answer
94 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 ...
0
votes
0answers
34 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 ...
-2
votes
1answer
47 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 ...
-2
votes
1answer
41 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
votes
0answers
106 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
votes
1answer
81 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
165 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 ...
1
vote
1answer
77 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
75 views

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

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 ...
0
votes
0answers
107 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 ...
1
vote
1answer
89 views

Best practices for scaling and capacity planning : VM only ? VM+Container ? Container only ? Cluster ? Something else?

(I can't find a similar question which has been already answered but maybe I do not use the good words as I'm a french student ;)) The closest answer to what I'm looking for is : Scalable Web ...
2
votes
2answers
319 views

How to get public IPs on ESXi VMs?

We have a dedicated server with a hosting provider. We are running ESXi 6.0. The server has a single public IP which is currently being used for the management interface. The provider has also ...
1
vote
1answer
57 views

KVM Bridged connection not forwarding ports?

Host and guest are both CentOS 6. Guest has an admin panel listening on port 15672 that I am unable to access from the outside. From the guest, curl localhost:15672 and curl vm1:15672 give me the ...
0
votes
0answers
25 views

Apache returning cached version when modified from Windows

We are running Windows 8 with VirtualBox running Centos with Apache. We have a Windows path mounted in the VM so we can edit content and when we save it in a Windows application the change doesn't ...
0
votes
1answer
679 views

View PHP error logs on VM - Vagrant CentOS via Puphpet

I have a Vagrant VM running CentOS, which was built from a puphpet file (config.yaml), and I'm trying to get the PHP error logs setup and accessible. config.yaml - PHP section: php: install: '1' ...
0
votes
0answers
78 views

Optimizing Performance for a Reverse Proxy Apache Server Hosted on a Virtual Machine

I am relatively new to web hosting, and I'd like to learn how to go about optimizing a server setup. Let me start off by describing my setup. I have an apache server, which sits on a vmware virtual ...
-1
votes
1answer
116 views

Setting Email Notification for Virtual machine whic are down or services that are stopped in Azure Cloud

We have more than 10 virtual machines in our cloud environment.there are some duration during which our virtual machine get stopped or the services get automatically stopped. We tried with creating ...
3
votes
1answer
402 views

Qemu+libvirt+kvm significant performance lag in VM's

I am troubleshooting poor performance on our new VM host machine which is a Dell PowerEdge R415 with hardware RAID. We've got about 20 VM's running like this: qemu-system-x86_64 \ -enable-kvm \ ...
1
vote
1answer
52 views

Using query string to redirect/rewrite to different internal IIS sites

I have an Azure VM that is hosting a web application. The application will be accessible via the VM's IP address: http://191.238.112.62 I want to be able to use query strings to redirect to ...
0
votes
0answers
32 views

MySQL Master migration

I've run into an unforeseen issue regarding a MySQL Master node: The cloud instance on which it's installed is soon to be retired. I've not needed to perform a migration like this before, so I'm ...
0
votes
0answers
69 views

How do you setup pass through authentication for a hyper-v enhanced session?

I have tried the solution on this Technet article but there is no user credentials section in the "Hyper-v Setting" dialog. I have also tried the way I normally setup auto login, when I need it, with ...
0
votes
0answers
91 views

Windows IIS hosting on VM using CentOS 6

Like this fellow here, I also have a 1&1 server, which requires me to use only NAT forwarding. I have installed using the CentOS6 / Xen server (I forgot which command line command it is) and ...
0
votes
1answer
261 views

Switching back to libxl from xend without rebooting

I did something dumb: I enabled xend over libxl and started an instance with xend. Now, libxl won't start any instances, even though I got rid of all the xend instances and stopped xend: root@xen1 ...
1
vote
1answer
47 views

Virtual networking, can ping and traceroute, can't apt-get update [closed]

I'm building a virtual network with 6 virtual machines in virtualBox. One of them acts as router/nat/firewall. This first machine uses 4 network cards: eth0 -> Internet eth1 -> Subnet 1 eth2 ...
4
votes
2answers
1k views

PING icmp open socket: Operation not permitted in vserver

I am running a vserver environment with several virtual machines. A single VM has the following problem: $ ping 8.8.8.8 ping: icmp open socket: Operation not permitted $ ls -l $(which ping) ...
0
votes
0answers
23 views

OpenSUSE Xen Multiple Apache VM's

I am attempting to set up an OpenSUSE 13.2 server with Xen Hypervisor installed. The problem I have now encountered, is how do I route the correct requests to the correct VM instances. Lets say I ...
-2
votes
1answer
76 views

Var folder maxing out /dev/mapper/vg00-var

Over the past few years we have had multiple linux servers have the same problem time and time again, our /dev/mapper/vg00-var folder max out at 100%. which means all sites on the server die. We have ...
2
votes
1answer
1k views

Do I need to use Sysprep to clone VMs on my personal lab? [closed]

I’m a programmer and I’m trying to build up my personal Lab. I have a machine with Hyper-V Standalone Server 2012 R2 installed. I need to create VMs which will be used for testing applications, ...
0
votes
1answer
85 views

How to configure VM IPs on VMWare ESX Host

I have rented a server from So You Start that runs VMware ESX 6.0 on it. I have bought IPs to use them in my VMs bu t the problem is i cannot make them run VMs. I did exactly what this guide says for ...
0
votes
2answers
849 views

Setup Azure VM - Connect to internet

I'm basically a total novice in the area of VPN's and DNS servers. I have an Azure VM which I have created and I need to connect it to the internet, and googling sends me to pages where peoples ...
0
votes
1answer
282 views

ERROR: OpenSSL::PKey::RSAError: data is too large for key size", when trying to upload cookbook 'learn_chef_iis'

I am receiving the following error message: "ERROR: OpenSSL::PKey::RSAError: data is too large for key size", when trying to upload cookbook 'learn_chef_iis'. I was following a CHEF tutorial and now I ...
0
votes
1answer
189 views

Forward domain to website hosted on Azure server with a non 80 port

I have an Azure Ubuntu VM server with multiple websites. Say website A = 81, website B = 82. These endpoints are exposed and I can access the website externally using <ip address>:<port>. I ...
0
votes
0answers
79 views

LTSP Thin client “Fatal! Could not read from the boot medium”

I have searched among the already asked questions but none of them seems to work for me. I am currently running VirtualBox on my Windows-7 host PC (64-bit OS, i5-2400 CPU, 6 GB RAM). I have a ...
0
votes
1answer
159 views

Backup kvm Virtual Machine with lvm

I'm new to virtualization and have been searching for a while for a flexible disk format for setting up a kvm VM, after some reading i decided to go with lvm. And did set up the disk and the ...
0
votes
0answers
158 views

Failed to create OpenNebula VM

I'm trying to instantiate a virtual machine from the OpenNebula sunstone. The frontend is a CentOS machine with the sandbox installed. The two hosts are ubuntu 12.04 32 bits machines, and they can all ...