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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2answers
909 views

How to install APC on a vagrant box running Ubuntu 12.04 with PHP 5.4?

In my "Vagrant" file I have this line: chef.add_recipe("php::module_apc") But it gives me this error: [2013-01-11T22:14:53+00:00] INFO: Processing package[php-apc] action install (php::module_apc ...
18
votes
10answers
29k views

Running 100 virtual machines on a single VMWare host server

I've been using VMWare for many years, running dozens of production servers with very few issues. But I never tried hosting more than 20 VMs on a single physical host. Here is the idea: A stripped ...
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votes
1answer
21 views

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

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
17 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 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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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
votes
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 ...
0
votes
1answer
941 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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1answer
37 views

Windows DHCP MAC-Range to Scope allocation

I wonder if there is any options to map a specific Range of MAC addresses to a specific DHCP address scope. The thing is, I want a specific scope for address allocation to bridged Virtual Machines ...
0
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2answers
1k views

Cannot power on a VM vSphere “The operation is not allowed in the current state”

I have a server that looks like this Server1 Server2 Server3 (inaccessible) Server4 When I try to power it on, it says "The operation is not allowed in the current state." I ...
1
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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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votes
1answer
42 views

Virtual Machine training setup for students [on hold]

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 ...
1
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1answer
76 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 ...
2
votes
0answers
58 views
+50

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 ...
1
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2answers
39 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 ...
0
votes
0answers
31 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
votes
1answer
26 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 ...
1
vote
1answer
768 views

How to Copy Files from a Isolated VM on an ESX Server

We have a Sandbox built on a ESXi (5.0) server and have a VM((A Domain Controller) on it. I want to copy the files on that VM to my workstation. Is there anyway to do that? I can browse the data ...
2
votes
1answer
50 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
12 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
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
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2answers
1k views

How can I change Qemu KVM machine architecture from 440fx to q35 with virsh edit or virt-manager

Still trying to get GPU passthrough working and decided to change machine type from older 440fx to q35 ie pc-q35 but if I do virsh edit on the config it refuse to save saying "PCI Bridges not ...
2
votes
1answer
1k views

Terminal Server CPU usage at 100%

I'm running a terminal server with around 50-60 users,and every so often the server will go from > 40% usage to 100%. I took a closer look an it seems every time this happens, a different user or two ...
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votes
1answer
222 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 ...
1
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0answers
19 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 ...
5
votes
3answers
120 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 ...
1
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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 ...
0
votes
0answers
21 views

Nested Citrix VM has no Internet Connectivity [closed]

so I have a Skytap environment setup with a domain controller running Windows Server 2012 and a separate VM running Citrix XenServer. I can create and boot up a VM in XenApp on the Domain Controller, ...
0
votes
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 ...
1
vote
2answers
95 views

Hosting one app on 2 virtual machines that are located on a single machine— any problem?

I have a web application, it's hosted across two different virtual machines, and it happens that the two virtual machines are located on a single machine. All of the three physical machine, virtual ...
1
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1answer
1k views

FreeBSD Jail own network stack with vimage

I want to throw all services from the host system and put them in jails. Unfortunatly this doesn't work for file sharing (e.g. nfsd) because the jails don't have there own network stack by default. I ...
0
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
votes
1answer
47 views

Ubuntu Windows Azure mass storage

I just started using Windows Azure service. I created an XL machine, and I got 28GB on the primary partition and a whopping 600GB on the temporary partition. My application needs a lot more space ...
2
votes
2answers
86 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 ...
0
votes
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 ...
0
votes
0answers
31 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 ...
3
votes
2answers
4k views

problems configuring Filezilla ftp server on windows azure virtual machine

Recently I've been attempting to setup a filezilla server on one of azure virtual machines and cannot seem to get it fully running. I am currently able to get an initial connection, however subsequent ...
1
vote
4answers
534 views

Why aren't Azure Linux VM's keeping time sync with host?

Using Ubuntu 12.04 VM's built last year on Azure. They only seem to get proper time on boot, and drift about a second a day. Is this a normal issue for Azure VM's? I know VM time drift is normal but ...
5
votes
1answer
2k views

How to use more than 3 virtual disks in Linux using CentOS and XenServer

I've attached 5 virtual disks to a Virtual Machine in Citrix XenServer. The VM has the xs-tools installed. Initially it said that it couldn't add so many disks. After I installed the xs-tools, it ...
0
votes
1answer
89 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 ...
-2
votes
1answer
363 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
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 ...
0
votes
1answer
2k views

Vagrant not ready for SSH error on VirtualBox and Laravel Homestead

Vagrant Version: 1.6.3 VirtualBox: 4.3.14 Ubuntu 14.04 LTS 64 Bit Hey Guys, I have been on this for a pretty good while now and cannot figure this out. I have my public and private keys setup and ...
0
votes
1answer
33 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 ...
0
votes
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 ...
1
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2answers
1k views

How to mount an NFS share in a VM guest?

We have a machine with Win7-x64 installed. On this machine, with VirtualBox, we're running a guest Fedora-x64. We've defined an NFS share on this Fedora instance. Here is the entry in /etc/exports: ...
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votes
1answer
35 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
131 views

Is there a way to specify versions for programs using Vagrant and Hosted Chef?

I am trying to improve my development workflow but am running into some major roadblocks. Currently, we develop on local Windows machines running XAMPP then after tested on an individual machine, push ...
1
vote
1answer
306 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
votes
1answer
37 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 ...