The virtual-machines tag has no wiki summary.
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NAT via iptables and virtual interface
I'm trying to implement the following scenario:
One VM-host, multiple guest VMs, each one gets its own IP-address (and domain).
Our server has only one physical interface, so the intended use is to ...
-2
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0answers
51 views
Need SMTP relay server [closed]
Looking for a downloadable esxi vm that contains an email server. Need to turn off relaying on our exchange 2010 enterprise server due to rogue relaying. The stand alone SMTP server would be used for ...
0
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1answer
23 views
How to access Virtual Machine in LAN with proxy
I have setup a website in a virtual machine running in VMWare Workstation (Trial).
I need to access that website in our LAN network. But there is a proxy on our the LAN.
When I try to access the ...
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2answers
59 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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2answers
33 views
Connectivity among different Virtual Machines
I have a VirtualBox installed on my Host OS Ubunut 11.04. (64-bit)
I have 4 virtual machines installed all of them in turn Ubunutu 11.04 (64-bit)
I want all the 4 machines to be a part of the single ...
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1answer
35 views
logging in to a virtual machine remotely
I can ssh/ connect from my host to a guest VM. If I wanted to ssh in to this VM from anywhere, how would I do it? Supposedly, I would want a unique IP address to be assigned to this VM that's visible ...
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2answers
43 views
Trouble extending disk space on CentOS 5 VM
So I am trying to extend the disk space on a VM of Centos5 running cPanel.
Apparently my boss says this is easy but invariably I seem to have found a problem and cant seem to get it to play ball. ...
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2answers
46 views
Dynamically increase/decrease CPU speed
I need to run some stresstests on a new long polling technology we're using. To know what the capabilities are, I'd like to run 2 (or maybe more) tests on a VM.
First I'd like to start with for ...
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0answers
16 views
No full screen in Slackware VMWare guest
I have a Slackware server that I use to run virtual machines running Windows and linux. One of the VMs that also Slackware will not by any means run in full screen. I have tried making changes in ...
2
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0answers
40 views
How to enable Ipv6 on my ubunutu 11.04 virtual machine
I have installed 3 VM's on my PC.(Ubuntu 11.04).I want to setup an IPV6 network to review and test some of the IPV6 tools like NDPMonitor.(monitors ICMP messages of Neighbour Discovery Protocol.)
IP ...
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2answers
59 views
Virtual Machines and rebooting the host machine
I'm using virtualbox on Windows Server 2008 R2.
How do you handle virtual machines when you have to restart the server?
How do you make the virtual machines save and close properly before the host ...
1
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1answer
32 views
Where is the ifcfg file of a (Host-only) virtual network adapter on CentOS?
I'm using a CentOS virtual machine, i have already assigned two network adapters using the VMware Workstation but the Virtual Network Editor lets you change only the Subnet IP, the Subnet Mask and the ...
3
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1answer
105 views
Installing Centos 6 using virt-install over SSH with no graphics - beginner
I have a Centos 6 box with virtualised CPUs that is ready for installing a virtual OSs. I am installing remotely over SSH and my Centos 6 box has no GUI (no GNOME etc) so it's purely command line. ...
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0answers
25 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 ...
2
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2answers
57 views
VM Backups - Externalizing extra large VMware backups
I have a couple of VMware ESXi hosts with a couple of VMs on each hosts. The total amount of size of all these VMs are in the order of the TBs.
I want to make backups of these VMs. But here is not ...
1
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1answer
27 views
Windows Server 2008 Data Center vs Standard Overhead
We are moving to virtual servers with Hyper-v and have MS W2K8R2 Data Center on the hosting servers. My question is there any reason to use Standard vs Data Center for a virtual machine that ...
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votes
1answer
95 views
ESXi 5 licencing [closed]
I have dedicated server with one physical CPU (socket) and 64GB RAM. I have ESXi 5 installed trial for 60 days (I didn't apply any licence and it is coming to an end). I have 5 virtual machines using ...
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3answers
35 views
Running virtual WinXP in Win7, is there something similiar for Windows 2008 server
I'm going to get a new server probably with OS Win2008 Server. That server will run some VM. Some with Linux, others with Windows.
Grant the Win2008 server license similiar rights to run e.g. ...
0
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1answer
40 views
Forward access to Apache on a virtual machine (vmware)
I have setup a server in a virtual machine using VMWare.
The server is Apache running on Debian (the virtual machine). The host machine is Windows 7.
Now, I would like everyone on the LAN to be able ...
0
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1answer
40 views
Windows Server 2008 on a Virtual Machine
I have a Windows 7 machine and I would like to make a virtual machine with Windows Server 2008 (and probably Windows Server 8 if possible) on it. The problem is that the Virual PC 2007 does not ...
0
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1answer
72 views
Can VMs be as reliable as physical machine for performance testing? [closed]
Our team is trying to do performance testing. So they asked me to prepare a VM with 4 cpu and 12 GB RAM. (Our server is R710 which has 48 GB RAM. we are using ESXi 4.1)
That server is already having ...
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2answers
48 views
How can I separate a VMWare Server from the host's MAC Address on my router?
I'm running a Debian LAMP Server in VMWare Player, using a bridged connection.
However, on my router the VM is showing up with the same MAC Address... therefore I can't set the VM to a static ...
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2answers
57 views
Clone CentOS 6.0 Unique identifiers
when cloning CentOS (minimal install + nginx, tomcat, postgres all not running) in a VMware virtual environment what unique identifiers are present on the cloned machine?
The information I have found ...
1
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1answer
67 views
VmWare is vSphere correct for what we want to achieve? [closed]
We have two physical servers that we want to turn in to virtual hosts. I've been looking at the VMware vSphere 5 Essentials Kit for 3 hosts (Max 2 processors per host) and 192 GB vRAM entitlement + ...
0
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1answer
26 views
How to access the windows VM via lan?
I want to access windows VM via lan, but the problem is that I do not have any lan setup. I have my laptop and it is running on Windows 7. I have Windows VM of Windows Server 2008 on the laptop. Now I ...
1
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1answer
46 views
Run unison in background on startup?
I'm running Debian 6 64bit.
What I'm trying to do is run Unison on startup to constantly monitor files on the LAMP server I have running on my VM and sync that with the VM Shared folder.
while true
...
2
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0answers
80 views
Performance Implications of running multiple Virtual Servers using one base virtual disk?
I tried looking through old questions, but couldn't find one that hit this exact question.
In VmWare's documentation on Snapshots, they mention utilizing them for a "process tree" setup. This would ...
1
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1answer
60 views
Removing a cloned virtual machine from an AD domain
Scenario: we're in the process of setting up central virtualised server that acts as a demonstration environment. This VM (running Windows 7) will be cloned and put on sales laptops so demonstrations ...
2
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2answers
89 views
Hardening Virtual Machine
I have a CentOS based product I'm looking to distribute it as a virtual machine (VMWare, XEN and KVM) and I have been lately assessing the steps needed to protect the VM.
The VM's data shouldn't be ...
0
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0answers
48 views
Install virtualbox on ubuntu 10.10
So I tried:
sudo apt-get update
sudo apt-get install virtualbox-4.1
And doesn't work, how do I install it..and I also have an image how do I run that..after I install virtualbox I just do ...
0
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1answer
52 views
In ESXi server, Why consumed host memory is more than allocated memory?
I am using ESXi 4.0 and ESXi 4.1 for my VM needs.
I have allocated a VM with 4 GB RAM. Recently the user of that VM complained that he is unable to access the VM.
I was trying to connect it through ...
0
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1answer
39 views
How to connect to a VM created by VirtualBox?
I have created a Fedora VM using VirtualBox and also have set the networking adapter to bridge mode. Inside Fedora I've set the ip to be 192.168.1.14.
Now if I issue a ping from my Host machine (Win ...
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3answers
115 views
How is virtual machine port opening works
I have a question regarding VM port.
Say I have a Virtual Machine and a Host Machine. The opening ports on Host are 80, 22, 443 only. if I opened ports 80, 22, 443 VM it should be working. However ...
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2answers
76 views
Windows based development environment: HyperV, VMWare, or VirtualBox on development machine? [closed]
I am a software engineer with a little bit of an informal "support" functionality...
I am trying to figure out what is the best possible approach to employing virtualization technologies into our ...
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1answer
84 views
Assign arbitrary MAC address in VirtualBox VM
Is it possible to assign an arbitrary MAC address to an VirtualBox virtual machine instance? This answer suggests that it is only possible to generate MAC addresses where the most significant byte is ...
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0answers
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Unable to connect to vrde virtualbox VM remotely
So I've remotely created my first headless using ssh. Now I'm attempting to connect to this VM using RDP so I can install Ubuntu Server, but I cannot get connected at all.
When starting the VM ...
13
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5answers
449 views
Is there a reason to give a VM a round base-2 amount (2048MB, 4096MB, etc) of memory?
The title pretty much says it all, is there any advantage to giving a VM 2048MB of memory instead of rounding to base-10 and doing 2000MB?
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2answers
136 views
iSCSI basic concepts
I have just detected that in one of my hosts (this is a virtual machine run by a cloud provider) there is a process eating up some bandwidth:
NetHogs version 0.6.0
PID USER PROGRAM ...
1
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1answer
102 views
How can I know if a VM is used or not?
I am running ESXi 4.1.
In my main datastore I have plenty of folders, some of them has logical names, while the others don't, they hold BASE configurations/images of clients that I duplicate and ...
1
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3answers
73 views
CLI-Based monitoring tool for KVM
I am developing a scheduler for running VMs on KVM. The scheduling has over-commitment of resources like memory and CPU. For this, I need a CLI-based monitoring tool that keeps me giving information ...
0
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1answer
39 views
Need a VM for running a PHP Sandbox
I am working on Web application honeypot. It collects PHP files it receives (as part of an RFI attack) and runs them in order to return the result back to the attacker. The aim is to coax the bad guy ...
0
votes
1answer
88 views
Why same internal ip and external ip? [closed]
I obtained a virtual server(running ubuntu 11.01) in a cloud with 1 static ip. I tried to ifconfig so as to obtain internal IP and also for the external ip I used http://whatismyipaddress.com/
All of ...
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3answers
84 views
Multiple VM environment for developing/testing
I was asked to create a setup for automated deployment, configuration, installation/updates of websites. A bunch of small websites will be bundled on one server. If more website will come up a new ...
2
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2answers
111 views
Synchronize vmware virtual machine
I have 2 Linux Host VmWare Virtual Machines: one in a desktop and the other in a laptop. They use vmware player. What is the best way to synchronize the Virtual Machines? They are never used in the ...
0
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2answers
34 views
Modifying Virtual Images Offline
I'm new to this vmware stuff. I was wondering if anyone knows how to modify virtual images offline or know of any tools. I used VM Converter to convert my current desktop to an image. This is for a ...
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3answers
98 views
rm command not ask before delete
i have centos VPS created using XEN + OpenVZ virtualization.
-bash-3.2# uname -a
Linux host.domain.com 2.6.18-274.7.1.el5.028stab095.1xen #1 SMP Mon Oct 24 22:10:04 MSD 2011 i686 i686 i386 GNU/Linux
...
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2answers
119 views
Virtual box localhost access
Question on Virtual Box 4.1.8
So, i have Ubuntu 10.10 as host machine and Windows Xp as guest machine.
On host machine there is tomcat with web app running on port 8888.
When i am in guest machine i ...
2
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1answer
34 views
How to restore a certificate from a backup
I have an authenticode certificate living in a backup created with Drive Snapshot, which is a byte level backup of the c: partition from my development machine.
I need to export that certificate.
I ...
0
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3answers
116 views
Is it possible to use a single VM image to run many guests (Windows (Server?))?
Is it possible to use a single VM image to run many guests, where each guest is a Windows Server OS (specifically Windows 2003R2 to begin with, we would evetually migrate to 2008R2 or whatever's up to ...
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2answers
151 views
Which hardware to VM ratio for Build-Server virtualization?
After a few comments and answers and thinking, I hope I can now add a
TL;DR : If I want full performance(a) and (simple) HW failure redundancy, does it make any sense to go for a virtualization ...
