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• How to talk to a virtual host on a guest OS?

  - by Bernd

  Let's say there is a host OS (Mac OS X) and a virtual machine running Ubuntu as guest OS. The guest OS has the IP 192.186.56.101 and some virtual hosts, e.g. ubuntu.server So, how to really map a request to the virtual host ubuntu.server on the guest OS? I tried: Configure the host OS in /etc/hosts to map ubuntu.server to 192.186.56.101 On the guest OS we have the trouble. It accepts the request for 192.186.56.101 which is not ubuntu.server and therefor the ubuntu.server virtual host will never be requested. Just the localhost on the guest OS. It might surely be possible to simply then use 192.168.56.101. But this would only work for one host per guest OS. Any idea? Or is there a bug in my train of thoughts?

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• Switching from Windows Virtual PC to VirtualBox without formatting

  - by djechelon

  I have a Win7 virtual machine running on Windows Virtual PC where I'm currently developing. I found that I dislike WVPC, and installed VirtualBox, hoping for better performance. However, importing the existing VHD into a new VM seems to not work, because even if I see the Windows boot screen, the OS will crash on a BSOD and requires the restore tool to run. That tool finds no problem, reboots but the BSOD is still present. I wouldn't like to format a new VM if possible. Is it possible to do such switching?

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• How do I install and use Windows Virtual PC in Windows 8?

  - by KronoS

  I really like the integrated Virtual Machine that Windows had built-in with Windows 7 with Windows Virtual PC. I'm looking to install that again. I'd like to be able to install multiple machines as I did before (XP, Ubuntu, Etc,.) but I can't seem to find Windows Virtual PC for Windows 8 any more. Is it still available?, and if not was there something setup in place to replace it? How do I use it? NOTE TO ALL: While this is an accepted self posted answer feel free to edit, comment, or add an answer of your own. If your answer is better than mine, I will accept. This question was a Super User Question of the Week. Read the blog entry for more details or contribute to the blog yourself

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• virtual machines

  - by André Alçada Padez

  well, i hope this doesn't get categorized as a boating question, but it really is related to programming. I have windows XP, and i am going to have to have a VM running: Windows 7 Visual Studio 2008 Sql Server 2008 IIS 7 (8 in a little while) Wamp Photoshop CS5 etc... so i was wondering what should i use to be easier to install and configure, and best performance: Virtual Box or Microsoft's Virtual Machine? Thank you Well i tried Virtual Box, it's always crashing for some reason. I think i'm going to try Virtual PC, just to stick to an all Microsoft Solution.

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• emulate fake monitor on windows 7?

  - by Claudiu

  Is there any way to emulate a monitor on Windows 7? I have one physical monitor, and I want Windows to think I have two. I actually don't care whether the second monitor is visible anywhere, or if I can see it - everything rendered there may as well go to the equivalent of /dev/null - but I need Windows to think there is one there. The reason is that I want to run a virtual machine with two monitors with VirtualBox in seamless mode, and it doesn't let me go to seamless mode if there are more virtual monitors than physical ones. I don't need to see the second virtual monitor, but VirtualBox won't just stop displaying it like it did in earlier versions.

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• Setting up VM server access via host MacBook Pro's WiFi hotspot

  - by user7609

  I have a virtual machine (VM) hosted on a MacBook Pro (MBP). There is a server installed on the VM. I'm trying to make this server accessible via MBP's WiFi hotspot so I can see it from my iPhone when connected to the hotspot. The VM is Parallels (latest version) and its OS is Win7 and the MBP is 2013 with Mavericks. With default settings and no hotspot enabled I can access the VM's server from the host OSX. The network setting on the VM is "Shared" and it's IP is 10.211.x.x. When I join the hotspot from another laptop the other laptop gets an IP 169.254.x.x and it can't ping 10.211.x.x or access the server on that VM Is there a combination of settings on the VM and MBP's hotspot such that I can access the VM server from a client on the MPB's hotspot?

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• How to back up a network volume to my Time Capsule?

  - by Mike

  I have a Time Capsule that I'm using for my backups. I have a network volume (coincidentally on the same time capsule) that I'd like to back up as well. How can I tell Time Machine to back up network volumes in addition to my main laptop hard drive? PS: yes, I know this setup isn't ideal. It'll incur 2x network overhead when backing up the network volume, plus my data won't be safe in the event of a drive failure since both copies will be on the same disk. However, it will give me some small amount of safety in the event I accidentally delete files on the network volume, among other things.

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• How to share a VPN connection in a VMWare Guest VM with the Host

  - by Jonathan

  The need - This question is relevant for all of those who want to bypass their corporate's annoying VPN, and access their work/corporate network from their private computer, especially if the corporate VPN client software can't run on their private computer. Homework: this question is very similar to this one and this one, which aren't answered :( The challange - Can't run the corporate VPN client from the private computer, so converted the work laptop to a VMWare Virtual Machine. The VPN client is working fine inside the Guest VM, now we want to share it with the Host (the private computer) The specs: * The private computer (Host OS) is Mac OS X Lion 64bit * The corporate laptop (Guest VM) is WinXP 32bit, running in Bridged network mode * The VPN client on the Guest VM is is Checkpoint SecuRemote NGX R60 HFA03 * While the VPN is running in the Guest VM, the Host can still ping the Guest and vice versa

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• Which VMs are easier to install/configure and more performant?

  - by André Alçada Padez

  well, i hope this doesn't get categorized as a boating question, but it really is related to programming. I have windows XP, and i am going to have to have a VM running: Windows 7 Visual Studio 2008 Sql Server 2008 IIS 7 (8 in a little while) Wamp Photoshop CS5 etc... so i was wondering what should i use to be easier to install and configure, and best performance: Virtual Box or Microsoft's Virtual Machine? Thank you Well i tried Virtual Box, it's always crashing for some reason. I think i'm going to try Virtual PC, just to stick to an all Microsoft Solution.

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• Dedicated Mouse and Keyboard on VirtualBox VM

  - by Myersguy

  Currently I am trying to run VirtualBox on my second monitor, with a dedicated mouse and keyboard. However, doing so has not proven easy. There has been times where the mouse works, but not the keyboard, vice versa, or nothing works at all. The biggest problem I am running into is this: When enabling the USB mouse and keyboard from the VM, I get an error: 'USB Device is busy with a previous request.' The only thing that is using second mouse and keyboard, however, is Windows. The other error I have received stated that the VM was unable to create a proxy for the device. Additionally, the VM occasionally will disable the secondary keyboard entirely, requiring me to unplug and replug it into my PC to re-enable it again. Keyboard auto-capture is disabled, and while a solution I was reading online stated to turn off mouse integration, that option is grayed out on my machine.

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• Programs keep waiting for external disk to spin up - how to ignore disk?

  - by Andrew J. Brehm

  Like many Mac users I have an external Firewire disk hooked up to my Mac to be used by Time Machine. This works very well, backup-wise. The problem is that very often when I use a Mac application and try to open a file, the file selection dialogue window hangs until the external disk has spun up. I never ever want to open a file on the external disk. Sometimes this happens even when I just want to save a file I already saved (i.e. type something and press meta-s). Is there anything I can do about this?

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• negative time for a ping echo reply

  - by Mario

  I was happily pinging in the net when suddenly: Pinging X with 32 bytes of data: Reply from .235: bytes=32 time=1444ms TTL=41 Reply from .235: bytes=32 time=1767ms TTL=41 Reply from .235: bytes=32 time=1531ms TTL=41 Reply from .235: bytes=32 time=-1198187ms TTL=41 Ping statistics for .235: Packets: Sent = 4, Received = 4, Lost = 0 (0% loss), Approximate round trip times in milli-seconds: Minimum = 1444ms, Maximum = -1198187ms, Average = 1073443462ms A negative time for the reply. I checked wireshark and it had the same values: Time delta from previous displayed frame: -1198.187867000 seconds Time since reference or first frame: -1179.935038000 seconds I didn't change the time of the machine while pinging. This was made in my local network at home, from a XP VM in windows 7. So I blame the VM (virtualbox). But I was wondering if this strange behaviour (to me) could have a reason, or if any of you have seen this before. Thank you bye.

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• Do virtual machines perform better on the host HDD or USB drive?

  - by Jeremy Ricketts

  The question I'm asking is kind of general, and I'll give more specifics about my specific setup. Here's the main question though: Do virtual machines generally perform better on the host HDD or is it better to operate them from an external disk? My specific setup: A Macbook Pro with a nearly full internal SATA drive that spins at 7200. On this system I'm running large programs like Photoshop and some other RAM-intense applications. I've dedicated 2 of my 8 gigs of RAM to my VMware Fusion virtual machine, which runs Windows 7 and Visual Studio, sits on the same drive. When that thing boots up, my system really starts crawling. I have an external USB (specifics of that drive are here) which I'm thinking about moving the VM to. Obviously a USB drive is slower than my internal HDD, but maybe having two operating systems using the same disk is WORSE than putting one of them on a separate (albiet slower) disk. This a bad idea?

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• Exporting a VM running as a Domain Controller

  - by AndyM

  There is a Microsoft KB article that talks about best practices for running a DC on a VM. One of the notes is "Do not use the Export feature on a virtual machine that is running a domain controller". In order to export a VM, the VM needs to be turned off. If you turn off a DC VM, export it, import it on another server and then power the VM back on, there should be no risk as long as the original (exported) VM is never powered back on. Can someone explain to me why this isn't supported? After doing some searching on Google, the sites I found just regurgitated this line from the KB article, but didn't offer any explanation as to why this isn't supported.

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• Windows 8.1 Professional Hyper-V - can I create my own linux VM through it?

  - by KevinM1

  I have a Windows 8.1 Professional desktop, and would like to have a Linux Mint VM on it so I can do some opensource web development work. I've tried VirtualBox, but it's giving me an IO error during the Mint .iso installation. VMWare Player flat out tells me it can't install because I have Hyper-V on my machine by default. My biggest concern is nuking the desktop, which is where I do most of my non-development work/browsing/etc. The desktop seems to be listed as a VM itself in the Hyper-V Manager, and I don't want to accidentally break it. So, two questions: Can I create the Mint VM I want/need for my work? Can I do it without messing up the desktop?

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• Minimize VirtualBox Hard Drive disk

  - by Aviv

  I have Ubuntu Server 10.04 TLS installed on a Virtual Machine in a VirtualBox. The size of the Hard Drive is dynamic growing hard drive and the maximum is 32GB. At the beginning i had 4GB on the Hard Drive and the size of the .vdi was 4GB. Lately the size of data on the disk is 15GB but the size of the .vdi is almost 32GB. Why is that? How can i pack / optimize / defrag the HD so it will be the same size of the data on the disk? Thanks.

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• How to set up a PC which can be booted from Linux AND Windows?

  - by Martin

  Our PC was running Windows XP up to know. It has become incredibly slow and I'm considering switching to Linux (Ubuntu?!) as a fresh OS. However, there are some applications we rarely use which run only on Windows and I also want to have the possibility to easily go back to the old system, if I should find during testing linux, that anything is missing or not available. So the idea is to install Linux on a new (second) hard drive and use the existing Windows XP from a virtual machine (converted by Paragon Drive Backup) in the transition time. We have a lot of data on the PC, tens of GBs of Photos (managed by Picasa), ... My questions: What could be the best way to setup the new hard drive? (Partitions) I assume that I can not access the Linux data from Windows but I could access (read/write) windows drives from Linux? Does anyone know good tutorials for this use case? What other things might I have to consider for transition Windows-Linux?

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• How to route traffic from VM (Parallels) over an Open VPN connection on the host (OS X)

  - by withakay

  Scenario: I have a Mac running Lion that is connected to an OpenVPN server I have a Windows XP VM (running on parallels, but I don't think this is important) I want to be able to route traffic from the XP VM via the host Mac's OpenVPN connection so that I can log on to a domain. The remote network is 172.16.0.0/23 (255.255.254.0) Open VPN is configured to supply address in the 10.100.101.0/24 range and sets up the routing to 172.16.0.0 using the gateway 10.100.101.1/32 My local network is 192.16.1.0/24 NOTE: I do not want to install OpenVPN into the XP virtual machine as I would have to use a passwordless key in order for OpenVPN to connect before logon. Anyone got any ideas?

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• Virtual Box - not filling entire screen

  - by jdavis

  I am new to VirtualBox and am trying to set up an instance of Windows 7 64. I have the virtual machine instance running with Windows 7 now installed, but it only fills up a small portion of my screen. Even when I go full screen, the window stays the same size and the rest of the screen is filled with gray space. I have installed VirtualBox Guest Additions, which allowed me to go from a resolution of 800x600 to 1024x768, but this still isn't satisfactory as my laptop display is 1600x900. Any help on this would be most appreciated. Thanks.

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• Unable to do Port Forwarding in Virtual Box

  - by dewbot

  I'm using Mac OS X 10.6. I have installed Virtual Box 4.1.0 in it. My Guest OS is Ubuntu Server 11.04. I have added a rule in Port Forwarding in Virtual Box - "guestssh" TCP 127.0.1.1 8080 127.0.0.1 1337 Inside Guest OS I'm running nodejs server. Code is nothing but simple helloworld code found on their site http://nodejs.org/. In short I'm running server on 127.0.0.1 on 1337 Port. Now according to rule I have given, from Host Machine all the requests for 127.0.1.1:8080 should be forwarded to 127.0.0.1:1337 of Guest OS. From Host I'm doing curl http://127.0.1.1:8080 and I'm getting curl: (7) couldn't connect to host Is there something am I doing wrong? Note- Don't give me suggestion to do ssh n all. As my ISP does not provide Internal LAN so its not possible in my case. All I can do it Port Forwarding.

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• Change MacOS X guest screen resolution for VirtualBox

  - by Pymoo

  I have tried all alternatives and resources that I found on internet to achieve to change screen resolution in my MacOS X guest. I have the latest VirtualBox version (4.1.22) and I have MacOS X 10.6.3 Snow Leopard running in a vm guest. Some solutions that don't work for me are: Tuning virtual machine settings: Adding and in the .vbox file, or running these two commands: vboxmanage setextradata "MAC OS X" "CustomVideoMode1" "1360x768x32" vboxmanage setextradata "MAC OS X" "GUI/CustomVideoMode1" "1360x768x32" Editing Guest OS boot configuration: Modify /Library/Preferences/SystemConfiguration/com.apple.boot.plist with these lines: <key>Kernel Flags</key> <string>"Graphics Mode"="1360x768x32"</string> <key>Graphics Mode</key> <string>1360x768x32</string> Any other suggestion, something that I was missing. Thanks in advance,

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• Is it possible to run my other partition inside of a VM?

  - by Parris

  So I have dual boot machine with windows 7 and ubuntu 11. I would like to, at times, run a vm from one partition to another. For example sometimes I would like to do certain things in windows while still using ubuntu. At other times, perhaps the opposite would be more effective. Why? Well running a vm is fairly resource intensive, and depending on what I am doing primarily I would rather be in one operating system vs the other, or perhaps it is just convenient. An important consideration is that you should NOT need to "copy" or "duplicate" the partition in any way. The VM should just read the partition as if it were a standard image. Any ideas? I am using virtual box currently. I have also used virtual pc. I could probably get a copy of vmware workstation if needed.

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• Can I use VT-D with a windows host for a VM?

  - by Journeyman Geek

  I've got a fairly beefy gaming system that I also run occational virtual machines on. It runs windows 8 and the built in hyper V virtual machine software at the moment and has a core i7 3770 (which unlike the unlocked model, should support VT-D), an Asus P8Z77V and a gforce 660 video card(also asus). I figure that if I could use VT-D I could add a cheap dedicated 3d card for a VM, in case I wanted somewhat more than the 'basics'. I know KVM and Xen support this to some level on linux, but can I do so on windows? I'm open to switching VM software if need be.

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• DHCP server can't see other machines

  - by William

  Hi, I setup a private network from virtual machines and one of the machines is the DHCP server for the group. I want to specify a next-server for the DHCP server but I'm having trouble connecting to any of the machines that I lease IPs to. I'm just trying to do a simple ping/ssh to 10.0.0.252 (a machine with a lease) but it doesn't seem to respond. Any advice? I'm assuming I need to be able to connect to my next-server but maybe I'm wrong. Thanks.

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• Is it possible to live-boot VirtualBox from a USB flash drive?

  - by bw.

  To clarify, I'm not asking if you can boot from USB from within VirtualBox. I would like to make a portable version of Windows 7 that I can run from a USB drive on any machine. I'm putting a distro of Linux on my laptop, but I manage a Windows domain at work so I'd like an easier management solution than trying to use Linux tools to interface with a Windows DC(as RDP to a DC is not always an option). The reason I'm inquiring about VirtualBox... I plan on carrying this portable installation with me and using it on multiple machines, so I would like to avoid driver conflicts (which I imagine would happen if I only installed Windows on a flash drive). Basically, I need a way to boot an installation of Windows 7 from USB that still allows me to install/remove/update programs as if it were installed on a standard hard drive, and not freak out over different hardware configurations. Please help, superusers!

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