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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9 views

citrix xenserver 6.5 can't get vm's public network

Can't get my vm's guest out connection..! Premised: I alreay use xenserver on a test server dellt310 with two ethernet card that works perfectly, but now... -> I have an hetzner dedicated server ...
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0answers
24 views

Bus error during PHP5 is running a simple script - what?

When working with PHP scripts, I usually do not have to bother with the underlying system. Today, I have to. A PHP script (cronjob) that has worked fine is crashing since 2 days ago. The cronjob mail ...
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1answer
30 views

Error when trying to install Ubuntu 14.10 Hyper-v VM from Virtual DVD .iso [on hold]

I'm trying to install a Hyper-v Gen 2 Ubuntu 14.10 Virtual Machine via a DVD .iso that I have attached as a virtual DVD on my Windows Server 2012 R2 First, two things that I know will be asked: ...
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0answers
18 views

Ways to “paste” code to a VM Linux Virtual Terminal

as most of you probably know, a desktop-enviroment-less Linux Server Distro doesn't have a clipboard that VMware can use as the clipboard is part of X (i believe) and thus not available. I wonder ...
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0answers
7 views

How to nest VPNs using openvpn and VMs? [on hold]

I'm asking if it is possible to nest two VPN using VMs so that: One vpn doesn't know your IP The other doesn't know your final destination I need to know how to set up such a vpn adopting this ...
-1
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0answers
15 views

Linux - Vmware Player On Windows 8.1 [on hold]

Can be in Vmware Player on windows 8.1 used only Linux/ubuntu files or entire software, regardless of size, also? I only see command prompt lines and no userinterface spaces so I wonder how would I ...
-1
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0answers
7 views

how to power on imported vmware vm on ec2 by using ec2 cli tools

I am unable to power on and see the OS and files of an imported VMware VM on ec2. Is there any chance to have a look at the OS and files on the imported VM by using CLI tools?
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1answer
19 views

Proxmox: 1 NIC, 1 Public IP, unable to get WAN interface working in VMs

I have a computer running Proxmox, and it has 1 single NIC that is directly connected to internet and has a single public IP. Then, I have different VMs (KVM) running and one of them is pfSense. What ...
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2answers
43 views

Restarting failed hosts on VMware vSphere ESXi

When a cluster is configured for High Availability (HA), VMs can be restarted onto an alternate host when the its host has failed. However, I am wondering: if the host has failed, is there a means ...
-1
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1answer
43 views

Virtual Machine training setup for students [closed]

I went to a training session where I was learning to use some software. The course was administered through the use of virtual machines. The instructor had a laptop that was running some sort of ...
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0answers
36 views

Access port forwarded http service inside host only network vbox (docker)

I used vagrant to create a host only network for my ubuntuserver machine with this option: config.vm.network "private_network", type: "dhcp" Inside this box I have a docker container which is port ...
-1
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1answer
27 views

Open source firewall as a virtual appliance? [closed]

Is it possible to have an open source firewall which can run as a virtual appliance into a guest VM where all traffic from the other VMs should go through this firewall VM? And it supports also ...
2
votes
1answer
51 views

vSphere 5.5 in HA Environment and Autostart VM's [duplicate]

We have the setup as above which is "managed" by our vendor. During a recent power outage we found that none of the VM's came up upon the return of power (roughly 25 VM's), which once we discovered ...
-1
votes
0answers
13 views

Bonjour protocol running on VMWare fusion not discovering services over host's local network [closed]

I have installed Windows 8.1 in VMWare on a Mac book. The windows installation has bonjour running. I want bonjour to find services published over the local network that the host is connected to. Can ...
-1
votes
1answer
228 views

failed to run bootloader: -3 on create with xl

I have a Ubuntu 14.04 migrated from Virtual Box Have 3 partitions. I've updated the /etc/fstab for recognize the new partitions and chrooted for update the grub I'm using the following ubuntu.cfg ...
3
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0answers
71 views

Move home directory on Azure Linux VM

I continue to encounter an issue moving my home directory to a new disk on a CentOS VM on Azure. On creation the server is configured to use a SSH key for authentication and the "no password" option ...
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0answers
21 views

What are the network prerequisites for Windows Azure Pack

I have followed many articles to install and config windows azure pack distributed, But every time I finish configuring everything, the azure pack is not working and give me different errors, seams to ...
1
vote
1answer
21 views

Locally runnable VM to simulate Amazon EC2 host

I'm currently managing an application hosted on the Amazon EC2 cloud. I'm curious whether it's possible to get hold of a VM that would most closely mimic the Red Hat environments that one deploys to ...
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0answers
19 views

PySphere ESXi 5.0 Python VM Provision

I found this tutorial on creating a vm with Python. http://jensd.be/?p=370 I'm stuck on the bit about "esx_host" I tried the IP of the ESXi server and 127.0.0.1 and the script errors saying it ...
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votes
1answer
12 views

VMwaree Workstation. Estimate bandwidth between guest and host systems [closed]

How can be measured the bandwidth speed between Windows 8.1 as host OS and Turnkey LAMP (Debian I guess) stack as guest?
2
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2answers
87 views

Running containers inside a virtual machine?

It is my understanding that containers are much more lightweight than VMs because they do not virtualize the hardware but instead just isolate the software running in them from software running in ...
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0answers
32 views

Can't connect Windows Azure VM with MySQL On-premise

I have a VM on Windows Azure with Windows 2008 R2, and I'm trying to open a connection to an on-premise MySQL database hosted on another network. We cleared the VM's public IP (the one displayed on ...
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2answers
40 views

Azure virtual machines in the same network can't see each other

I created a virtual network in Azure and added few VMs in it. My expectation was to Ping/Access each machine from the other machine in the same network. However, machines don't seem to recognize each ...
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1answer
41 views

Setting up a private server for Windows and Mac Computers [closed]

I work in a University Laboratory and we want to install a server that allows each user to login to any computer in the lab with their own credential (We have a small laboratory with about 10 ...
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1answer
35 views

Hyper-v number of Virtual Processor (Virtual CPU) on Virtual Machine

VMware world recommends that you only add one Virtual CPU on each Virtual Machine unless that your application requires detect more than one CPU. Does this recommendation could be applied on ...
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1answer
22 views

Changing Azure VM networking settings

This is probably a stupid question but I am going to ask anyway. I have a VM running on Azure. I go into network connections and change the IP and gateway and I loose connection. What options do I ...
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votes
1answer
36 views

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

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
39 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
18 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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votes
1answer
30 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 ...
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0answers
20 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
56 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 ...
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0answers
22 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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2answers
47 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 ...
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0answers
15 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
81 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
28 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
54 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 ...
0
votes
1answer
33 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
49 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
vote
0answers
82 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 ...
0
votes
0answers
105 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
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 ?
1
vote
1answer
29 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
87 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
90 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
53 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
239 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
45 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
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1answer
265 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 ...