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.

learn more… | top users | synonyms (3)

0
votes
0answers
96 views

Asign public ip addres to vmware virtual machine on linux host

We have server with linux installed on it (old debian 5.0). In this OS we have old VMWare server 2.0 installed (I know all is too old, but we don't have time to change it now) in which is installed ...
0
votes
0answers
51 views

Virtual Desktop Provisioning - Vmware View 5.2 Maintenance Questions

Currently running an environment of about 400 VMware View 5.2 virtual Desktops. The environment runs pretty efficiently but we sometimes run into problems with certain pools from time to time. Just ...
1
vote
0answers
148 views

How to install Gitlab in a VM on a production server?

I have a production server running Ubuntu 12.04 and I would like to install on it a VM with Gitlab (using Vagrant and Virtualbox). Let's say that the address to access Gitlab is gitlab.mydomain.com . ...
-1
votes
1answer
70 views

moving to a new dedicated server and need advice on the new setup [closed]

I currently have a dedicated server that we have outgrown and we are moving to another server. Our current setup was a 8gb W2008R2 server running a W2008R2 IIS virtual machine using VMWare. We are ...
-3
votes
2answers
171 views

What is the best way to setup a heartbeat agent for failover between two VMs? [closed]

I have two VMs in VirtualBox that use NAT for their network adapters. They are both getting the same IP address, so I will need to reconfigure that; but knowing that, is it possible to set up a ...
0
votes
3answers
65 views

VM automatic provisioning advice

In my lab we have 24 workstations, each with five technician-maintained virtual machines set up in VMware Workstation. These provide a lot of management overhead, as we have to update them as well as ...
1
vote
0answers
45 views

Computer management, Access denied only on win XP VMs

This may take a few lines to setup, so bear with me. My company runs vmware, mix of win xp and win 7 VMs. My tech group have admin rights throughout the domain. We're having some scanning issues ...
0
votes
0answers
92 views

Proxmox “File Does Not Exist” Error

Something happened to my Proxmox server and now some VMs won't boot. When I try to boot one in particular, I get the message: proxmox:~# qm start 103 volume 'Backups:103/vm-103-disk-1.raw' ...
0
votes
1answer
214 views

How to trigger NMI in VMware

Our physical Linux servers have an ILO board that may be used to create an non-maskable interrupt. This easily triggers the creation of a kernel dump in case the server is unresponsive. How can this ...
2
votes
1answer
263 views

Which NTP source should I use in ESXi virtual machines?

I have a ESXi host running ~20 virtual machines (mostly EL6, but also one or two Windows Server 2008 R2). What is the best practice for timekeeping on virtual machines? I'm thinking about 3 ...
1
vote
1answer
90 views

What's the default username and password for the VM Depot “Redis Server 2.6.9 Ubuntu 12.04 LTS”?

I've got this server running on a local Hyper-V host, but can't log in because I don't know the username and password for it. http://vmdepot.msopentech.com/Vhd/Show?vhdId=147&version=254 I set ...
2
votes
1answer
85 views

Windows Server 2012 Hyper-V Rename - SQL DB Issues

I set up a Windows Server 2012 virtual machine exactly the way we want it. I shut down the instance, made a copy of the .vhdx virtual drive, then spun up a new VM and attached the copy of the drive. ...
3
votes
2answers
3k views

ESXi network setup for isolated internal virtual machines

Using ESXi v5.1 and vSphere, my networking is setup like so: One standard Switch: vSwitch0 vSwitch0 has one uplink physical adapter (Internet connected) vSwitch0 VM Network has 3 virtual machines ...
1
vote
4answers
385 views

How to fix sudoers file on virtual machine without root and reboot

I've broken my sudoers file on a heavy loaded server with a syntax error. And unfortunately I've lost my root password. The server is critical and I'd like to avoid rebooting. So, no sudo, no root, no ...
0
votes
2answers
154 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
vote
1answer
61 views

Windows VMs on ScaleMP cluster?

I was wondering whether the following stack would work, and if so then how well, and what sort of problems I might expect to encounter when setting it up? Hardware layer - lots of cheap servers SMP ...
3
votes
1answer
320 views

Limit httpd.exe CPU usage

We are using Collabnet Subversion Edge in one of our VMs, and occasionally one of the httpd.exe processes spikes to ~100% and just sits there. I believe it's interfering with our overnight backup ...
2
votes
0answers
98 views

Recompose a VMware vSphere machine without personal application data loss?

Our organization has converted a large percentage of our employees to VDI. Our logic is that we create a master image for each linked-clone pool, dedicate each linked-clone pool to specific purposes ...
1
vote
3answers
71 views

If my DNS is a VM with HA do I need a secondary?

Same question would apply to mail server - if I have these running as VMs with failover / HA do I need to run a secondary / backup for either? This is a relatively small site (< 50 machines) so ...
2
votes
3answers
244 views

Allow NTP to update by large amounts automatically?

Here is my scenario: I run multiple VMs on my workstation to simulate the production environment. At the end of the day I sleep my workstation (with my VMs running in the background) at 6PM. When I ...
-2
votes
1answer
83 views

GUEST MEM - VMWARE [closed]

I am reviewing an esxi 4.1 host memory usage I would like to lower some of the memory usage on some virtual machines. For example here I have a windows 2003 server This server is using 1GB Ram one ...
0
votes
2answers
67 views

How to import an XEN disk.raw VM into OracleVM

I have two virtual machines running on an OpenSuse 12.3 Linux with XEN. These VMs has disk.raw files with Linux running inside them. I'm trying to use Oracle VM and want to get the two XEN disk.raw ...
2
votes
1answer
40 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 ...
-1
votes
1answer
52 views

How can I connect to Windows XP via RDP without opening a local session first? [closed]

I have a Windows XP Pro virtual machine hosted in Hyper-V (on Windows 8 Pro). Since the native Hyper-V connection window has very limited features (e.g. no clipboard support), I use RDP to connect to ...
0
votes
1answer
1k views

Hyper-V: Guest external internet access

Following setup: Host machine has 1 physical NIC Host OS = Win Server 2008 R2 (hosted in data center) Guest OS = Win Home Server 2011 Network setup basically as described here or here. Goal: ...
0
votes
1answer
45 views

how to make a vmware clone into a running instance from the command line?

I am using vmkfstools and the vim-cmd suite of programs to clone linux hosts. I'm trying to figure out how to turn a clone into a new running instance, but for some reason I'm not locating any ...
0
votes
1answer
119 views

Extending System Partition Windows 2003 Server

I'm currently trying to find a method to extend the system partition for Windows 2003 Server. I've been trying to use GParted, however I keep running into the issue below. Is there something that ...
0
votes
1answer
1k views

Exchange Information Store keeps restarting event ID 7024

My problem is as mentioned above that the exchange information store keeps restarting. I am running Exchange 2010 SP2 on 2008 R2 as a VM The event log shows the following entry realted to this: ...
0
votes
1answer
905 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 ...
1
vote
1answer
42 views

How to prove my VM is the only VM on a host? Will virtualization have a negative impact on a webserver that runs PHP and MySQL?

I put two questions in my title. If you think I should split them, please comment. We pay for a dedicated server and I saw that my harddrive was vda1, so that started me looking. My host explained ...
1
vote
1answer
58 views

Increasing the size of a partition on a virtual Ubuntu server

I'm a web developer who's been put in charge of a small virtualised web server at work. Unfortunately, I've never done anything to do with server admin before, so I'm a little lost. The guy in ...
1
vote
1answer
39 views

Migrating & consolidating file shares to new server vm

An interesting little puzzle for you guys & gals: My organization has 3 companies, each with their own separate hardware server and file storage, that we're looking to consolidate into our vm ...
-1
votes
1answer
44 views

Guide to choose which is the best for VM - microsoft or vmware [closed]

i am confused between VM Ware and Microsoft Hyper V whic one is the best in terms of all. is there any comparison chart then please let me know. as to run os in vmware need to install esxi; it is ...
-1
votes
1answer
56 views

Using VMware vSphere with a single NIC

I would like to install a low-traffic application server to be shared by 3/4 persons in a cubicle. To simplify deployment and maintenance I would like to use VMware vSphere Hypervisor. Is one ...
1
vote
1answer
73 views

how to locate which startup scripts executes riak startup

I have a 64bit ubuntu server in a virtual machine, and I have some scripts running at startup, and I can't seam to locate in which file do we have the riak startup setup. I searched a lot of files ...
1
vote
2answers
148 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 ...
0
votes
0answers
83 views

Xen dom0 rebooting

I am using Xen version 3.0.3 and running 4 domU's on this.(guest OS is windows) suddenly my dom0 reboots for no reason.This is happening frequently for last 2 days. I checked xend and system logs but ...
0
votes
1answer
22 views

Linux / Ubuntu fingerprinting command/method(s) to identify system wide differences in hardware / packages / configurations between 2 environments

I have 2 separate environments, and some strange behaviour occurring in one environment that is not in the other. Specifically the error is related to the PHP: Fatal error: Nesting level too deep - ...
0
votes
2answers
1k views

virt-install KVM “Cannot open display ”

So I am trying to create a VM using KVM (on CentOS 6.3) and the command I use is as follows: virt-install --connect qemu:///system --virt-type kvm --name ffVM32 --ram 1024 --disk ...
0
votes
1answer
158 views

nslookup and tracert inconsistencies

In a Windows 7 VirtualBox guest with NAT and an OpenVPN connection issued by the host, nslookup and tracert behave differently w.r.t. name resolution: nslookup hostname works, using 10.0.2.3 as DNS ...
0
votes
1answer
91 views

SWAP reducing SSD write speed?

My SolusVM graphs have been showing 8Gb Swap usage even though the RAM is never over 50% used. Is it possible that virtual machines going into swap will reduce the IO of the SSD?
1
vote
1answer
347 views

CentOS No Login Prompt After rc.local Executes

This is a CentOS 6.4 server with no GUI. After rc.local executes in the boot sequence, I am not presented with a console style login prompt. I can type characters on the screen but there is no login ...
0
votes
0answers
107 views

XEN, VM not starting after reboot VM

Ubuntu 13.04 raring, XEN 4.2 x64. When I reboot in VM OS, VM is shutdown and not starting automatically. (VM State is OFF.) Server message: [2013-09-05 17:37:43 20103] INFO (XendDomainInfo:2079) ...
-1
votes
2answers
510 views

How can I use all memory on the ESXi 5 host?

I am under the impression that 2 of the 6 GB on a ESXi 5 host are not used. This is a single host with a free licence. When I assign resources to the VMs there is only 4GB available, and under ...
0
votes
3answers
1k views

/dev/sda1 not in a volume group, and vgextend doesn't work

I've got several virtual machines which I access through a VMWare vSphere client (v 5.1.0). One ran out of space and I'm trying to give it some more space. What I've done so far: - Increased ...
1
vote
2answers
687 views

VMWare Workstation - how to automate or script changes to the virtual network configuration

VMWare Workstation (I'm using V8 on Linux) provides a GUI tool, Virtual Network Editor (vmware-netcfg) to edit the virtual network adapter settings for use by the VMs on the system. I'm dealing with ...
0
votes
0answers
118 views

Single VLAN ID out of 5 not working in Hyper-V 2012 Cluster / SCVMM 2012 SP1

I am having strange issues with one specific VLAN in a Hyper-V 2012 cluster. The cluster has 3 servers, each one has a "Management" adapter for management traffic and "VM Data" adapter for virtual ...
0
votes
0answers
112 views

RAW device mapping and cluster settings

I have Windows 2008R2 physical server. It has a standalone virtual server if something goes wrong with the physical server. The physical server is connected with SAN storage. The storage team makes ...
2
votes
1answer
118 views

Running puppet on a single machine using a vagrant produced cluster

I am building a four cluster machine with Vagrant and provisioning those machines using puppet. I want to find a way to get my puppet scripts to only run on an individual machine. As it stands right ...
3
votes
1answer
3k views

Performance issue of Server 2012 VM on ESXi 5.1 U1

I'm having issues with a VM, as stated in the topic, that runs on ESXi U1, build 1065491. The machine is sluggish and i can't figure out why.. Here's the details. It runs on a Dell T420, has ...