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Is it possible to run more than one virtual machines on my PC using virtual box/ vmware/ virtual pc etc and connecting all of them together? So if i write an application like a chat program or something else, it treats running image as separate machine.
All machines should have different IP addresses and they could have different OS as well.
Please tell me how can i do this.
You will have to start with a machine that has loads of RAM and CPU power. Other than that there is nothing difficult. All you have to do is install virtual box(Freely available) And download several Linux flavors(You can use windows too) mount the drives in virtual box and start creating the machines. You can start all of them together if you want to and they will have different IP addresses.
Read
http://forums.virtualbox.org/viewtopic.php?p=33943#33943
http://www.virtualbox.org/manual/ch02.html
http://www.virtualbox.org/manual/ch03.html
Finally
http://www.virtualbox.org/manual/ch06.html#network_internal
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I need to copy files from one computer to another, but they are not on the same subnetwork. I need to use two different VPN connections to access the two computers. Can I transfer the files between them without using a third-party servers like Dropbox, and without downloading files on my PC, disconnecting from the first VPN, connecting to the second VPN, and uploading files on the target computer?
The solution is using this marvellous piece of software: https://github.com/magic-wormhole/magic-wormhole
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This is not a coding question but I can't find a clear answer anywhere so I thought the stackoverflow community will know. Let's say, I'm currently using computer A and running Remote Desktop on Windows to access computer B. From computer B, I sign in to a website. Would the admin for that website be able to tell I was on computer A when I signed in? Or can they only pick up my computer B IP address? I don't know much about networking and remote desktop so any help is appreciated.
Your IP will be of computer B. You can think of Remote Desktop as a TV (with which you can interact) - the images from the remote computer are transmitted to your computer, but all actions still happen on the remote computer.
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For a networking class, I want to do a presentation and project on DDoS attacks. I have been researching them for a while and am interested in conducting a small scale attack against a victim server with no security (I'll most likely set this up using nginx or apache) running on a Raspberry Pi. I want to run a demo of this happening in class - first with no security, and then a few other times - each time adding another layer of security.
Does anyone have an idea how much traffic I would need in order to take this down? Also what would be the best way to generate this traffic? I'm not sure if this part is even possible as I don't have access to a lot of computers...I do have a mac pro with 24GB of ram so I have been considering running several virtual boxes with that.
Thanks for the help!
I was able to get it working locally using nginx on the Pi and LOIC.
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I am using ESXi server and run VMs using vSphere client. I was using shared folders options in VMware but I cannot find this option in these VMs now. How can I create a shared folder or how can I transfer files between VMware virtual machines easily? Thanks.
If you only need to transfer files from the host to the guest, the simplest solution is to create an ISO image and attach it to the virtual CD/DVD drive. For example, on Linux, the following command creates an ISO image foo.iso from the bar directory, preserving long file names (-J).
genisoimage -o foo.iso -J bar
If you need something more complex than that, ESXi has no such built-in method, it's best to set up a VM for such things with an (S)FTP, SMB or NFS service.
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My host operating system is Ubuntu 12.04, in which I have VirtualBox installed. Then I have two Windows 7 guest machines configured in the VirtualBox. I need to communicate between the two Windows machines. I have tried using Bridged Networking and Internal Networking with reference to the following article:
http://www.virtualbox.org/manual/ch06.html
I used the same network name for both networking types in my experiments. However, I'm still unable to ping from one Windows machine to the other. If there is anyone who has done this, please give me some guideline how to do so.
Thank you.
It should work with Bridge networking, when both virtual boxes (and eventually also the host) will be on the same LAN.
HOWEVER, Notice that typically Windows will respond to ping request ONLY if there is at least one shared folder! If you don't have any shared folders, Windows will not return the ping, and that's where the problem may be.
So I suggest you share a folder on both Windows machines, set them up with bridge networking and try to ping again.
Hope that help!
Perhaps you could try the suggestions here.
Working solution involves a combination of Bridged Adapter + NAT + Host-only Adapter.