virtualization

Developing over VPN connection on a virtual desktop

Other than the possible lag issues, has anyone tried this? What are the pros or cons associated with this? ...

VM PLayer - Is it possible to create snapshots?

I am currently using vmplayer to host Windows 2008/SharePoint 2010. I created a virtual environment with vmplayer and I would like the ability to revert to snapshots or restore points. Is this possible with VMPlayer? thanks ...

Linux as a guest on MacOS X: VirtualBox or Parallels?

I'm going to develop mostly Django sites on a MacBook Pro and would like to use Ubuntu VMs for testing purposes. Which product is better suited for this purpose? Can I connect to the VM via TCP/IP (so I can have apache running on the VM and access it from Safari on my MBP)? Thanks! ...

Oracle VM vs Xen Server

What is the difference between Xen Server and Oracle VM, which one is better for Windows Virtualization and cost effective. i hear Oracle VM is toatally free and Xen Server is free for some extent, kindly provide me the details to open the virtualization world for my corporate. thanks ...

The state of XEN vs KVM for inhouse virtual server farm like live farm

Hello, so we have a life server Farm, conventional stuff not virtualized. This is to stay that way for the time beeing. The servers we are talking about are: Loadbalancer, DB master, DB Slaves (2x), Webservers (2x), CMS server. All in all 7 servers per farm. We want to have one to many rather exact "copies" of the life structure for in...

What is the best Linux distro for System Programming?

I want to work with low level system programming and virtualization for my research. I tried Ubuntu 10.04 + Xen 4.0.0 but they weren't going quite well right from the installation. One of my friends suggested to take up Gentoo. Any more suggestions? ...

Running a .NET app slower

I'd like to test my programs running on older machines. How can you run a .NET app as though you were on a slower processor? eg: run as if on a 400 mHz processor -- the .NET 2.0 minimum requirement. (I know RAM, hard drive speed, etc. would effect my running time also, but I have to start somewhere.) ...

How can virtualization solve dev/prod environment kinda problems during deployment?

I'm really trying to use best-practices for dependencies management in my web apps but stuff happens. Some problems arise in production only anyways. I want to minimize this as much as possible. I was thinking that If I can test new deployments in a virtual machine with the latest production snapshot this can solve this problem to a cer...

Why is virtualization needed for cloud computing?

Can anyone explain me why is virtualization needed for cloud computing? A single instance of IIS and Windows Server can host multiple web applications. Then why do we need to run multiple instances of OS on a single machine? How can this lead to more efficient utilization of resources? How can the virtualization overhead be worth it? Is ...

Local development with VirtualBox and Internet Explorer browsers

Has anyone had any issues while setting up their local development system with Mamp Pro 1.8.4, VirtualBox 3.2.8. For viewing websites in IE browsers. I have three websites that I'm looking at all three work in Firefox, Chrome, Safari. For this example lets just say I have: dev.site1.com dev.site2.com dev.site3.com Now site1 works in IE...

Virtualbox problems on Windows emulation

Hello, I've been experiencing a problem with Virtualbox on my Fedora 13. When I try to setup virtual machine instance with Windows it just hangs the system with no reaction on keyboard commands with no respond to anything except physical halting. Please help what might be the problem? Sultan ...

Multiple users on Amazon EC2

Is it possible to have multiple users to manage an Amazon EC2 environment? I want to give access to several additional people to create machines on my existing billing account. ...

Virtual Server on Windows 7 - How can I do this.

I need to allow a developer access to my machine (windows 7 prof) to setup a webserver environment. Rather than intefere with my environment I was wondering if I could setup a virtual server where he can do whatever he wants. I think this should be possible but there I could not find much documentation on how to do this. Appreciate any...

Virtual PC (XPMode) - Can host port forward to virtual machine with NAT?

Just start to try out the XP mode function of Windows 7 recently. A web server is set in the virtual machine. Everything is fine except the access to the virtual machine from the internet (or host's subnet). I need to set the network of the virtual machine as NAT explicitly in order to pass some firewall setting. So, the virtual machine...

Sandboxing vs. Virtualisation

Hi all, Maybe I am missing something but isn't sandboxing and virtualisation exactly the same concept, ie., separating the memory space for applications running in parallel. So I am wondering why they are having different names, are there maybe differences in the way they are employed? Many thanks, Simon ...

How is it that main function is always loaded at the same address whereas variables have different address most of the time?

Hey guys! I wrote this small program today and I was blown away by the results. Here is the program int main(int argc, char **argv) { int a; printf("\n\tMain is located at: %p and the variable a is located at address: %p",main, return 0; } on my machine the main function is always loaded at address "0x80483d4" and the address of ...

Does SQLite3 change databases even if every statement is "SELECT"

Hi everyone, we try to deploy our software on Windows 7, and there are several sqlite3 db files around. But, these are all read-only and we execute only "SELECT" statements. However, we have observed that Windows 7 also make virtualization on these files, which means file structure or content is changed. What do you think of it? What cha...

Is it possible to install VMWare Server on Amazon's EC2?

Hi All, We are looking to move all of our systems to a virtualized env. We will be going with EC2 and it appears that if we can install something like vmware or KVM on EC2 then create VMs as needed it would be the most cost effective solution for us. Is this possible? thanks! ...

Neead a sample for WPF TreeView search with Virtualization and Load On Demand

Hi, I need to implement search feature in WPF treeview(basically I need to remember the last user selection). I have tried various approches suggested but nothing works as virtualization is enabled in my treeview and child nodes are loaded only when parent node is expanded(lazy loading). Anyone knows of a sample having these three thi...

WPF: Setting the DataGrid VirtualizationMode from its column

I have a data grid column that requires the VirtualizationMode to be "Standard", not "Recycling". Therefore I would like to set this property in the DataGrid automatically. The problem is that in the constructor of my column the DataGridOwner is not yet set (and is null) and in GenerateElement override it is too late for changing Virtua...