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
15 views

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

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
19 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 ...
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0answers
15 views

VMWare server 2 on Windows 2008 - Guest Win 7 can not ping host but host can ping Guest [on hold]

This is an odd one.. I have two near identical set-ups, with Dell 710 servers running W2008 R2 x64. Both are on the same 192.168.16.x LAN and point to the same gtw - 192.168.16.1 Both run VM Server 2 ...
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votes
0answers
30 views

How to fix Hyper-V Server, 2012 R2 VM, which is slow and using too much RAM

I have Hyper-v Server running on a server with 256 GB RAM. We upgraded the RAM in an effort to allow us to run more VMs on the server. Most of our VMs are Windows 7, and they are running pretty ...
0
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0answers
10 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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0answers
19 views

VirtualBox: How to set up networking so guest can host servers [on hold]

So i have problem with VirtualBox. My host is windows 7 x64 and on guest i tried linux ubuntu server and same windows 7 as host. internet is working fine and in my router i can see guest machine, but ...
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votes
1answer
28 views

Preventing operating systems from being installed on a server

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
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0answers
13 views

Why VMware Virtual Ethernet Adapter for VMnet1 not shown in Network Connection? [migrated]

VMware Virtual Ethernet Adapter for VMnet1, VMnet8 and Bluetooth do not show up in Network Connection's. Only the Wireless Network Adapter is shown! What could be the reason for this? Thank you for ...
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0answers
13 views

Ubuntu Virtual Machine won't power on after power failure [migrated]

I have an Ubuntu virtual machine hosted on a Windows OS. I lost power while the virtual machine was on, and the host OS crashed. After rebooting the host, I could not power on the Ubuntu virtual ...
0
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0answers
10 views

how to use isc-dhcp-server in place of router dhcp [migrated]

i have a virtual Debian installed on my VMware running on win 7 64 bit , i am using a bridged connection for my virtual machine , i installed isc-dhcp-server and changed the /etc/dhcp/dhcpd.config ...
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votes
0answers
11 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
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1answer
34 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
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0answers
17 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 ...
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votes
2answers
34 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 ...
0
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0answers
2 views

Hibernate/Resume Windows7 Between Native and VM host? [migrated]

Is it possible and safe to do the following? boot Windows 7 natively hibernate boot alternative OS ( say Linux ) load a preconfigured VM using the Windows 7 native disk start the VM Host OS, which ...
0
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0answers
12 views

Accessing VM loopback IP from Host

My host machine runs OSX 10.9.2 and it is running a windows 7 VM using NAT. In the guest machine 10.0.2.2 points to the localhost of my host. However I want to be able to debug the same web ...
2
votes
1answer
41 views

XenServer 6.2: reattach SR but all disks have no description

I have recently reinstalled XenServer on my server. All the VHD files were stored on my NAS via NFS, so I re-added the NFS SR after reinstallation. However, all my VMs seem to be missing, and the ...
0
votes
1answer
18 views

Windows Server 2012 R2 - Email server's external IP address when the Azure VM starts

I have been trying to setup a task in the task scheduler that sends an email to me when the server starts. The email should contain the external IP address of the azure virtual machine. What should ...
1
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2answers
35 views

Recover Xenserver VM's in Linux Rescue mode WITHOUT Xenserver host

My physical server got hacked so my provider has shut down the server and booted it in Linux rescue mode. I've got full access to the file systems in Linux, however after hours of trying and searching ...
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votes
0answers
38 views

Restricted VM unable to talk to its policy server

We are using VMware worstation11, on that we are running a restricted virtual machine. When we try to start the VM we get the following error, "The restricted VM has been unable to contact its policy ...
0
votes
1answer
30 views

Need looping Powershell script to email me when site has error message [closed]

Running 08 windows server on a VM We need to be notified by email or by other means whenever the site is either 404 or goes to maintenance page. Therefore, we need the script to be constantly ...
1
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0answers
38 views

Share serial port between linux containers

I have a requirement to share a single serial port between two or more linux containers. The LXCs are spawned by the host linux. I explored the option of socat, wherein the host will open a TCP ...
1
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0answers
43 views

Multiple KVM QEMU virtual machine instances slow down

I've set up a brand new physical server configured with a 2 x Intel Xeon E5504 (4c/4t) and 16GB of RAM. I have installed Ubuntu Server 14.04.1 (linux-image 3.13.0-44-generic) along with KVM ...
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votes
0answers
4 views

VM Workstation Networking [migrated]

I setup a virtual lab on my windows 7 laptop my windows 7 laptop is getting ip address from my wireless connection. ie. 192.168.1.100 My virtual lab My Virtual DC I use 192.168.2.1 My Virtual ...
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0answers
22 views

I can't access my server on VM (VirtualBox) in centOS 7 [migrated]

I do install VirtualBox on Windows 7, and create a virtual machine, which install centOS 7. Then in centOS7 perform the installation of CollabNet Subversion Edge, following this information as a guide ...
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0answers
71 views

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 ...
0
votes
0answers
6 views

Bridged Networking doesn't work. Host Windows 7, Guest Ubuntu 14.04. Tried everything [migrated]

it's quite popular problem and I've seen many solutions, but none of them worked for me. I've created virtual machine with Ubuntu 14.04 and haven't changed anything in Ubuntu configuration. With NAT I ...
0
votes
1answer
34 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 ?
1
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0answers
19 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 ...
0
votes
3answers
81 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 ...
0
votes
1answer
71 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 ...
0
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0answers
33 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 ...
1
vote
1answer
113 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 ...
0
votes
1answer
22 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 ...
0
votes
1answer
119 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 ...
1
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0answers
74 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 ...
0
votes
1answer
52 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 ...
0
votes
1answer
38 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 ...
1
vote
0answers
29 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 ...
0
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1answer
45 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: ...
0
votes
1answer
57 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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votes
2answers
31 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 ...
1
vote
1answer
39 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 ...
2
votes
2answers
123 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 ...
-1
votes
1answer
117 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 ...
1
vote
2answers
131 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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votes
1answer
93 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 ...
0
votes
1answer
61 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 ...
0
votes
1answer
62 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.
0
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0answers
43 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 ...