Virtualization is a group of software technologies that allow abstraction between layers of a system. This allows separation between the logical layers of the system, providing isolation, flexibility, and/or the ability to run more than one at a time. This differs from most traditional systems where ...

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OpenVZ Host is the source IP address rather than actual web surfers?

I have a problem with my VPS. Simple example: <?php $ip = $_SERVER['REMOTE_ADDR']; Echo "User IP : " . $ip; ?> That code should display the user IP address, but it's showing the HN IP ...
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2answers
3k views

How do I know if my Xeon Processor supports hardware virtualisation?

I've been scouring the net (mainly the wikipaedia lists and intel's site. I even pulled out the datasheet for my processor) but I can't seem to answer this question. Does my Xeon support hardware ...
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176 views

What would be the best virtualization solution for this particular use-case?

I do software (mostly web) development, and I work alone, so I have to cope with a lot of sysadmin-type work, in order to setup different stacks of web/application/database/source-control servers, let ...
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2answers
617 views

Configure Windows Routes for VPN

I have a Virtual PC/VMWare machine that runs Windows Server 2003. This virtual machine uses an IPSec VPN client program to connect to a remote network. I configured the virtual machine to have 2 NICs: ...
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1answer
1k views

ZFS virtualized on an LVM volume

We've got some large SATA disks kicking around, and I've been toying with the idea of throwing them in a KVM host and installing a FreeNAS VM to manage them. I'd be adding these via LVM to the host, ...
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4answers
3k views

Does anyone have Experience with LeftHand's VSA SAN? [closed]

I am looking at re purposing some hardware and build out a virtual environment. I am looking to use the LeftHand VSA (Virtual Storage Appliance) to serve the local disks as a SAN to the virtual ...
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3answers
98 views

How to find out the virtualization type of an linux VPS?

Having access to an VPS, i need to know which type of virtualization it is running from the terminal. How can i know if it is OpenVZ, Xen, KVM, etc?
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opensm reports - Invalid requested MGID. What does it mean?

I've been working on a virtualized SR-IOV infiniband interface under Xen. If I run the OpenSM daemon under Dom0 IPoIB appears to work in the passed through VF. However, opensm starts using a lot of ...
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333 views

How can I connect two virtual machines in vSphere ESXi 4.1?

There is documentation available for version 5 (I am running 4.1 per the title), but following the directions raises the error: Incompatible device backing specified for device '0'. upon ...
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2answers
344 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 ...
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0answers
285 views

Hyper-V: Permanently put a VM on a VPN network connection?

I have a Hyper-V Server on an off-site network. I want to be able to put any given VM on it permanently on my corporate PPTP VPN network. i tried to do this with Routing and Remote Access by ...
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3answers
3k views

Convert directory to QEMU/KVM virtual disk image

I have a directory filled with data at /var/backups/disk1 that I want to convert into a virtual disk image which I'll then be able to boot using QEMU or KVM (the directory contains the file system for ...
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3answers
162 views

I have some questions regarding VPS and what I should order?

I have a classifieds website, with around 50thousand ads put in every month. I don't have any more statistics than this. I use PHP and MySql currently, and I am about to install Sphinx or SOLR on ...
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2answers
227 views

Why does my Fedora HD come up as 124GB when it was created to be 700GB in Hyper-V?

Any ideas? How can I tell fedora to use 700GB, and do I have reformat to do this? Filesystem Size Used Avail Use% Mounted on /dev/mapper/vg_computer-lv_root 124G ...
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2answers
2k views

Converting a live server to XEN domU

What are the steps of converting a live server as a XEN guest? Here's my understanding of the process, please comment if you see any flaws with such thinking. Install a xen guest kernel that would ...
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2answers
3k views

Cannot communicate between two VM on the same physical machine using NAT IP Addressing

I have one physical machine, on it there are 2 virtual machines. One of the VM is the application machine, another is the db machine. All are running Windows XP. I am using Sun Virtual Box for ...
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1answer
37 views

KVM Server error

I have installed KVM server in Centos 6.4 and i have created gluster storage pool in that gluster storage pool i have installed some linux and window VM's i have assigned 1GB RAM and 20 GD virtual ...
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1answer
109 views

Where can I learn fundamentals about hypervisors in context of other hardware virtualization solutions? [closed]

I am interested in learning more about hardware virtualization, with a specific focus on hypervisors. I am competent to manage a server and would be able to configure an environment to work using ...