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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Should the Windows Time (W32Time) service be enabled in an Azure VM?

When connecting to a newly created VM in Azure, there's an alert under Services: When clicking on it, it says the Windows Time (W32Time) service is stopped: Should it remain like that, ...
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0answers
17 views

Intermittent VPN connection in VM [on hold]

I have a Virtualbox VM running Ubuntu on my Win8 host. It uses NAT for the network. When I connect to my VPN on the host machine, the VPN connection from within the VM is really spotty. To do ...
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0answers
19 views

Disk partition to Virtual Machine / OpenVZ container

I am relatively new to running virtual machines / OpenVZ containers so if I have miss understood something please let me know. I currently have Ubuntu 14.04.1 installed straight to a partition on my ...
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1answer
21 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 ...
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0answers
26 views

PostgreSQL server does not start with increased shared_memory

I've installed a new PostgreSQL server on an empty Ubuntu 14.04 virutal server. The PostgreSQL server works fine in default configuration, so i thought it would be a good idea to improve performance ...
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0answers
5 views

Basic DDNS setup updating IP but cant connect/ping [on hold]

I've been attempting to put the ddns working in my test server, which is a ubuntu server vm using NAT. After a while I've ended with the following config. # /etc/ddclient.conf protocol=namecheap ...
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2answers
42 views

How to crash Oracle VM intentionally by loading system parameters

I am using Oracle VM. I want to perform a stress test on system parameters like CPU, RAM etc. Can anyone help me out with the ways in which I can load the parameters with high load like using all the ...
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1answer
3k views

File .vmx not found error when trying to create a VM snapshot after removing an independent volume

I had had a Windows VM having a second virtual drive configured as an independant volume placed on a second datastore on a VMWare ESXi 5 server. Then I have removed the second drive by removing it in ...
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0answers
18 views

Mysql with low memory on development environment

How to set mysql to run on very low memory? (preferably under 100MB and max 250MB) Currently it's running for about 400mb. I can't turn off the innodb because production using innodb. Is there any ...
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1answer
31 views

Upgrading infrastructure [duplicate]

I work for my company's ECM group and my manager is considering pushing to upgrade the server infrastructure due to an increasing user community. Currently it's a single VM that has 2 cores and 4 gigs ...
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1answer
38 views

Azure Shared Ubuntu VMs dns each other

I have two Azure Ubuntu VMs. Named: myweb01.cloudapp.net and mypg01.cloudapp.net. When I'm on myweb01 i issue an nslookup mypg01.cloudapp.net which fails: azureuser@myweb01:~$ cat /etc/resolv.conf # ...
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1answer
772 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 ...
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1answer
48 views

host only network xen 4.4

I have one IP address (ipv4) and I am trying to install a domU (debian stable) on a dom0 which runs the latest xen 4.4.1 on debian testing. I have created xenbr0 bridge and it is mapped to my eth0. ...
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1answer
353 views

Xen guest - cannot get network connection beyond the host

I've just installed a XenServer 6.1. It came with a standard configuration, network 0 connected to NIC 0. I created a VM but I can't reach any network beyond the host. From the VM (172.18.32.20), I ...
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1answer
63 views

VMware vSphere VM at 100% workload CPU when real load average is near 0

I'm using VMware vSphere 5.5 on an ESXi 5.5 Host to host a small private web site. Host server is an HP ProLiant 380 DL with 50 GB Ram, 1 TB SSD storage, 2 Intel Xeon 5550 CPU. There are 10 running ...
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1answer
584 views

Backup and Recovery Strategy for a VPS

I have several small virtual private servers running ubuntu 11.04. I currently have VirtualMin managing the backups for the server, however, it only backs up the users' home folders and the ...
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1answer
808 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 ...
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1answer
28 views

Connect to VMware workstation vitural machine from another computer on the network [closed]

How can I set up the networking on my VMware Workstation so that I may connect to webpages hosted on the VM within the same network? Update: Tried bridge networking and can not get it to connect to ...
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0answers
34 views

Do some network administrators assign MAC addresses with an unassigned OUI?

I am in a situation where I have observed MAC addresses on a network that do not belong to any assigned OUI range, and this is causing some issues. I suspect the cause here is a heavy use of ...
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1answer
51 views

Is there a way to connect VMWare Workstation / Fusion to non-esx Libvirtd-managed virtual machines?

I'm using KVM virtual machines managed through libvirtd server-side for most of my projects. On my desktop however, I'm using VMWare Fusion Professional which, just like its VMWare Workstation cousin, ...
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1answer
33 views

Virtualized Linux firewall as router on the stick for cisco switch

I have got: Linux(virtual maschine on esxi) <---trunk---> cisco Switch. On virtual maschine vSwitch setup: VLAN ID 4095 Enables trunking on port group (VGT Mode) LINUX interfaces file: ...
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2answers
839 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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1answer
1k views

Proxmox: VMs and different public IPs

I have a server which has two NICs and both are directly connected to internet. I have five different public IP addresses available for the VMs. The host machine (Proxmox) doesn't need to use any ...
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1answer
23 views

how do you stop and deallocate a windows azure virtual machine

If I shutdown a virtual machine in azure, it shows it's status as 'stopped'. But I am still getting billed for cores until I can get the machine into a 'stopped (deallocated)' state. How do I get ...
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1answer
23 views

What's the difference between Jumpbox and Microsoft App-V?

My organisation has been using App-V to package deployments to users machines in a Windows environment. We're now evaluating Jumpbox as a replacement in this space. The great thing about App-V was ...
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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 ...
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1answer
19 views

will a cloned vm contain the same vmid as the original one?

I am working on licensing a software for a virtual machine (guest OS as windows). i thought of having vmid as a parameter to generate the license. I heard about cloning of an virtual machine, then i ...
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0answers
55 views

Configuring SoftEther on VM with two virtual ethernet card

I am very novice in networking and I just have basic knowledge. I have scenario that I'd like implement. I have a VMWare Windows 7 VM with two network interfaces. One shares the host's network using ...
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0answers
8 views

Virtual End User Slow Performance

We've got 2-3 simultaneous user's complaining of slow performance on virtual machines when uplink through put, virtual CPU, and bandwidth are all normal. The box is well under capabilities yet still ...
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0answers
12 views

Hyperv replication critical maximum size keeps increasing

I have replication going from Primary to Replica server, this one server I have keeps falling behind and I noticed under Replication Health the Maximum size keeps increasing. Are they any tools to ...
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2answers
5k views

VMplayer Virtual Disk Shrinking/Compacting/Defragmenting

I am using VMplayer on Windows 7 and 2008 R2. Inside the guest OS, in VMware tools, there is a "Prepare to shrink" option on the "Shrink" tab. In the host VMplayer menu there is "Defragment" and ...
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2answers
1k views

understanding relationship between Qemu and KVM

What is the difference between KVM and Qemu? As I understand, latter is able to provide "user mode emulation" which means that one can run a single executable built for some other architecture like ...
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0answers
33 views

How to run azure pack portals on distributed enviroment

I installed and configured windows azure pack on 8 virtual machines, 1 component per VM, but after all installed I am trying to run the admin portal or tenant portal and both give me the same error ...
1
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1answer
46 views

Move an ESXi 5 image to anohter server

I have an ESXi 5 server with two large VMs. Both have several snapshots that have accumulated over time. I set up another ESXi to use as a backup system, but I am having trouble getting the images ...
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2answers
42 views

Backup VMWare virtual server

I have a virtual server that is constantly running, lately we tried to do a backup for it and we were surprised that the modification date of all the image files is a couple weeks old. We are trying ...
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1answer
87 views

No Ping/Telnet connection between VM

I am new in Azure and have one problem which I can not solve. I tried asking on StackOverflow, but - quoting - "You will have better luck asking on ServerFault". I want several Virtual Machines to ...
0
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1answer
50 views

Sql Server 2012 Disk I/O Too high

I am running SQL Server 2012 on windows azure VM Windows server 2012. This is a live Database, about 250GB, with high usage. I applied some best practice articles for the temp-db long ago, and also ...
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2answers
48 views

How can I ssh into a vagrant virtualbox VM from an external machine?

I'm trying to set up a server on my desktop with vagrant, but while I can ssh (via PuTTY) into the VM at localhost:2222, I can't ssh into it via my local or public IP addresses - even though I have ...
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5answers
22k views

What range of MAC addresses can I safely use for my virtual machines?

I want to assign my virtual machines MAC addresses so that I can configure DHCP reservations for them so that they always get the same IP address regardless of which host hypervisor they are running ...
0
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2answers
251 views

Determining the physical host name / IP from the name of a virtual machine

Is there any way to determine the host name or IP address of the physical host H given the name/IP address of a virtual machine running on H? Thanks.
1
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1answer
48 views

Advice on backup solution for Azure virtual servers?

I need to devise a backup solution for some Azure virtual machines, in a hybrid cloud scenario (persistent VPN, Active Directory DCs present in both the company LAN and the Azure virtual network, all ...
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votes
1answer
58 views

What is a good new server setup [closed]

Currently we have a server with several functions: domain controller, SQL server, WSUS server, file server, print server, exchange server, backup exec And in addition we still have an old server with ...
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0answers
35 views

Replicate server environment and directory structure using Vagrant

I am a developer by trade but am not used to configuring VM's and servers, so I apologize if these questions seem rather novice. I have recently started trying to use Vagrant for local development of ...
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votes
1answer
41 views

Get Access to root of Linux based virtual Appliance / Machine [closed]

I have installed an OVF on an ESXi standalone host, the virtual appliance is Linux base and i need to get access to the Linux Kernel of virtual appliance and do some change on it. it seems access to ...
1
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1answer
51 views

MS Access DB performance on a VMware virtual machine

In our office, we have a Windows 2008 virtual machine hosted on an HP ProLient ML350 G6. This VM has access to all of the resources available on the host. On this machine there are some Microsoft ...
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3answers
6k views

VMWare Server 2.0 auto start VM

I have a production server running vmware server 2.0. I want one of the VM's (company intranet) to power on automatically if the host server is rebooted. I searched online and found references to an ...
0
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1answer
28 views

Connectivity loss between VMs on VirtualBox until DNS cache is restarted

I use VirtualBox for a lab environment with VMs running various versions of Windows. One thing that keeps happening and I don't know why (never seen it before on my VMware servers) is that DNS ...
0
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1answer
57 views

Extend root logical volume for VM with Oracle Linux of VMWare

Please make me sure did I wrong thing, or not. I'm resizing the root partition which is under the LVM. This server is a VMWare's virtual machine with Oracle Linux. I'm using this article: ...
2
votes
2answers
196 views

DNS not resolving the same as host

We have an OSX host and an ubuntu 10.04 vagrant instance running on virtualbox. While attempting to send an email to emailtests.com (for email testing purposes) we noticed that the DNS was not ...
14
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12answers
35k views

How do I know if I'm working on a Virtual Machine or not?

Is there a way to know if the Windows machine I'm working on is virtual or physical? (I'm connecting with RDP to the machine. If it's a virtual machine it is working and handled by VMWare).