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 setup Linux DNS server for Azure VMs in virtual network?

I'm trying to use Linux Bind9 to set up a DNS server for my Azure VMs in virtual network. I got one web server and one mail server. My goal is making GoDaddy connect to my own DNS server, and redirect ...
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1answer
45 views

Accessing IPMI address

Currently if I want to know the server IPMI address, I will have to go to the SBIOS and check under BMC. Is there a way to get the IPMI address from inside a virtual machine ?
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1answer
34 views

Cannot kitchen init as non-root

I am trying to use test-kitchen, a tool to test chef (etc) cookbooks with virtual machines. However when following the guide and doing kitchen init --driver=kitchen-vagrant, I get the following ...
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3answers
89 views

Port scanning from VM users

After receiving an Abuse Notice from my server provider, i was wondering how they make to check up all my traffic and send me these abuses. I would possible like to know if there is some kind of ...
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1answer
100 views

Backup Hyper-V To Google Drive?

I was thinking about backing up a Hyper-V host to the cloud and a potentially crazy idea came to mind. With Google Drive, you can get 1TB of storage for 2 bucks a month. This would be more than ...
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0answers
61 views

Hadoop HA connection issue

I am using the Azure VM to build a Hadoop HA cluster, I'm trying to set up an Active namenode and a Standby namenode. But when I finished my configurations, I found I can only access one namenode via ...
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1answer
346 views

How do I get a network interface up in rhel 7?

I was given a rhel7 vmware template to use for provisioning rhel 7 test environments. When I created my vm, it booted up fine except that my network interface doesn't seem to come up. If I type ...
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1answer
58 views

How do you change host management credentials for a cluster in System Center Virtual Machine Manager?

How do you change the Host Management Credentials in System Center Virtual Machine Manager for servers in a cluster? If I right click on the server and go to properties I can see the Run As account ...
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1answer
341 views

CentOS 7 with vmxnet3 stops transmitting

I'm setting up a virtual machine running CentOS 7 in a vmware environment, using a vmxnet3 virtual network adapter, and have run into a rather frustrating problem: the interface stops transmitting ...
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0answers
88 views

Processes surviving Windows VM reboots?

Summary: A long-running virtual Windows Server 2012 system this weekend became very slow; from remote we did Restart-Computer -ComputerName xyzzy -Force, which succeeded by all accounts; except that ...
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1answer
95 views

Hyper-V and Windows Failover Cluster Manager - View available resources per node?

I have a Hyper-V host with Failover Cluster Manager and 6 VM nodes (hosts). How can I see how much memory and CPU is allocated per node? I want to know what my available resources are to create more ...
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1answer
51 views

How do I properly configure host server net adapters when using Hyper-V?

I am converting a number of physical servers to virtual ones, and I have a question regarding configuring the physical adapters on the host server. I am new to virtual machines, and have a nagging ...
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0answers
46 views

Destination Host Unreachable and Communications link failure when I connect to MySQL database using D2RQ library

I have a question: I have a web service which runs on a virtual machine located on a remote server with Ubuntu 12.04 operating system. Now, I want to test this Web Service and I'm using this code ...
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1answer
96 views

How to create a single image of Windows Server 2008 R2 to use on a Azure Virtual machine

I am trying to migrate from a colocation where I own the servers to Azure. I have been following this article: ...
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1answer
118 views

backup/restore/DR scenario for Azure single instance VM?

I apologize in advance - I'm not positive I'm even asking the right questions as I'm new to Azure. I currently have a single instance azure VM with one OS disk and one data disk. I'm running it with ...
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2answers
39 views

How to specify hard disk for hadoop cluster?

I installed Hadoop on one Azure VM, and it works fine by using its OS disk. However, I attached one hard disk to my VM, and I want to know how to configure Hadoop to only use this new hard disk as its ...
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1answer
51 views

Memory Utilization Best Practices

I'm running several Linux-based VMs (vApps, actually) that have varying amounts of memory assigned to them. Some have databases, some web servers, etc. While some are using less than 40% of their ...
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2answers
420 views

Can't access Azure VM via RDP any more

I set up an Windows Server VM on Azure last year and after having not logged in for a couple of months I tried to log in recently and strangely it told me my password was incorrect. I proceeded to ...
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1answer
307 views

How to join local computer to azure virtual server domain? [closed]

Scenario: I want to migrate my servers to cloud and retire all local servers such as DC and file server. At the same time, I wish to control the network traffic to limit the clients access to Internet ...
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3answers
340 views

Is it possible to migrate Azure VM image from one Subscription to another Subscription?

I recently captured one azure vm image in one storage account, and planning to migrate this image to another storage account under a different subscription. I used PowerShell Script to run this task, ...
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1answer
763 views

Is it possible to make Nginx listen to different ports?

I created one Nginx with one Linux Azure VM, is it possible to make nginx listen to different ports so that when I change the port number, the content would be different. I found there would be a ...
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1answer
87 views

How to start multiple Azure VM at the same time?

I'm trying to use Powershell scripts to start multiple VMs at the same time. I only know how to start one single VM or all VMs at the same time, but in my case, I only want to make change to selected ...
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1answer
79 views

Can you use Git to track changes to VirtualBox disk?

Can you track changes to a VirtualBox disk using a VCS like Git? If not what is a good way to use version control to track changes while configuring virtual servers. **I understand that git doesn't ...
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58 views

opensm infiniband route table

I have two centos 6.6 vmware vms. VMware is told to do a bridged network and to replicate physical network. eth2 is dhcp managed by NetworkManager. I am able to get to the point where I can assign ips ...
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2answers
937 views

PowerOn failure after import from Workstation 10 to esxi 5.5

I have a working VM accessed through Workstation 10. I have imported the files to ESXI 5.5, then "Add[ed it] to Inventory" through the Datastore Browser. When I try to Power On the imported VM, I get ...
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1answer
24 views

Copy data from Azure AD to vm AD?

Currently I only have Azure AD that work with Office 365. Now I am planning to create a vm to use RADIUS server. I need to copy user and groups from Azure AD to vm AD. So, how can I do that? I read ...
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1answer
421 views

How to clone image and data for VM on Azure?

I'm trying to find a way to clone the image of one VM on Azure. I knew some information about 'sysprep' and Linux system, but those require delete the previous VM. In my case, I don't want to delete ...
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54 views

Three separate VMs for webserver, database, and data crunching. Good idea? [closed]

I'm writing some quantitative marketing research software, and have a bit of a "blind leading blind" situation at work. I'm not really used to writing web apps or configuring servers; most of the ...
2
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1answer
45 views

Auto-upgrading similar VM guest OSes

Is it possible to handle automatic upgrades of VM guests which differ only in terms of config management? I'm asking about either general or specific technologies which facilitate this. In brief, I ...
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2answers
55 views

Why it is necessary to rejoin the domain after reverting the server from a snapshot?

I am totally new to this, in my project i have seen that it's required to rejoin servers to the domain after reverting them from a snapshot. Can anyone please explain why this is needed and how it ...
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1answer
381 views

Excessive disk usage with virtfs / cpanel

I'm running a server using cPanel, with virtfs enabled, and seeing very high disk usage compared to the amount of data actually uploaded/created by each user. I am getting DISKWARN emails telling my ...
0
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1answer
102 views

Server 2008 - Multiple Event 55 NTFS

VMware ESXi with a virtual server running Windows Server 2008 R2. Event Viewer Administrative Events logs are flooded with the following error: Event 55, Ntfs The file system structure on the disk ...
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0answers
178 views

How to convert clonezilla backup image to virtual machine?

I have a 30gB tar.gz disk image of a physical debian machine, created by clonezilla - what's the easiest list of steps to follow to convert it to a virtual machine? Do i have to necessarily make .iso? ...
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65 views

webjob and a virtual machine communication in azure

I have an Azure Webjob that has been deployed in an Azure website, I also got virtual machine that is hosting a MongoDB database on port 27017 which can be accessed for all the virtual machines under ...
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61 views

CoreOs VM getting deleted after shutdown on libvirt

I installed CoreOs on libvirt using link https://coreos.com/docs/running-coreos/platforms/libvirt/. The VM is also showing inside Virtual Machine Manager and working fine. The problem is once I ...
0
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1answer
118 views

403 Forbidden Error on Azure Linux virtual machine [closed]

I am trying to access the freshly created virtual machine on azure via winscp and putty, through putty I am able to access the VM but via winscp I get following error, Proxy Error: 403 Forbidden. I ...
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0answers
36 views

VMs with same name an IP

Does Foreman support managing several VMs with same name and IPs, but with different certname? for example: NAME IP CertName VMLinux001 10.0.0.2 VMLinux001@domain.com ...
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1answer
107 views

Connecting two GNS3 setups in two VMs in the same PC

How do i connect these two gns3 setups in different VMs? It's all in the same PC. My end goal would be to ping each VPC to each other. I am already able to ping VPCs in with different VLANs but only ...
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2answers
151 views

How do I detach a disk from an Azure VM so I can re-attach it to another?

I have an Azure VM with a data disk attached and mounted in a folder in c:\ - the VM is bricked after uninstalling .NET 4.5 (don't do that on 2012 R2). I have created a new VM. Now how do I detach my ...
1
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1answer
52 views

When an Active Directory User Logs in to Local Windows 2012 Server Launch a Virtual Machine; Possible?

I won't get into the reasons why this needs to happen, however, is this possible. I have a Windows Server 2012 R2 box that needs to be used as a daily driver for a few of a clients employees. Ideal ...
2
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1answer
35 views

How to spec VM requirements based on historical data of transient processes on Linux?

I've been given a task to break apart the services on one of our main VMs (Amazon EC2) and appropriate additional VMs to suit the services needs. The type of services that I am dealing with are ...
0
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0answers
77 views

Azure java sdk : permission denied(public key) when trying to ssh to vm

I have created a virtual machine using this sdk: https://github.com/Azure/azure-sdk-for-java. While I can normally ssh to virtual machines created by hand, the ones created by code using this sdk ...
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0answers
33 views

Moving VMs and storage used space

I need to move around 1 TB of VMs from a slow SR to a SSD brand new SR. Xenserver pools and hosts are updated to the lastets patches (from 6.2 SP) Using a 1 GB switch and NICs it was quite fast to ...
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1answer
51 views

Is it possible to create a VM from an existing OS? [closed]

I have an existing OS (Ubuntu server) on a separate HDD that I'd like to clone to a VM (preferable VMware or similar capable or running from windows). Is that possible?
3
votes
1answer
440 views

Need to move VM to another host with different cpu

I currently have a VM configured with CPU 1 socket & 8 cores per socket. I need to move this VM to another ESXi 5.5 host which has 2 CPU sockets with 6 cores per socket. Will I will able to run ...
5
votes
3answers
123 views

How to detect virtual machines freezes

On cloud platforms you often hear that because of high load on neighboring VMs, disks over oversubscribed ethernet, backups, or live migration to other hardware, the virtual machine can 'freeze' for a ...
0
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1answer
70 views

vSphere vApp IP address configuration. How does vApp really work?

I have a pool of ESXi-5.5.0 servers that I have configured a single vApp on. This vApp is configured in transient mode to configure IP addresses from an IP pool I specified. I assigned a single ...
0
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1answer
467 views

Windows 8.1 stuck in Automatic Repair boot loop - Proxmox VE [closed]

I installed Windows 8.1 64B in a VM on Proxmox-VE. It was running fine for a few days until it needed to be rebooted (updates). First I tried reinstalling the OS which worked, until it needed to be ...
0
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1answer
232 views

New Azure VMs on virtual network have no connectivity to anything

A couple of days ago, I created a cloud-only Azure virtual network (no cross-premises connectivity), provisioned a domain controller/DNS server inside of it, and configured both my DNS server and the ...
5
votes
3answers
208 views

Converting VMware VMs to Hyper-V

Our company is looking to try out Hyper-V as a server virtualization solution so I am looking for the most efficient way to test everything out safely. My plan is to make a snapshot backup of each of ...