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  • What is a good OS to mess around with Xen Dom0?

    - by earlz
    Hello, I'd like to experiment some with Xen. My problem is I do not know which OS to try to install it with. I use OpenBSD, but it can not run as Dom0 or DomU at this point. I use Arch Linux on my website's VPS, so I know it and like it. The support for Xen just doesn't seem to be there though. Can anyone suggest a nice (preferably lightweight, so not SUSE and such) Linux distro or *BSD to mess around with Xen in a non-production environment?

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  • Virtual Server 2005 VSS writer missing

    - by Jon S.
    I have two servers running Virtual server 2005 R2 SP1. I'm using Symantec Backup Exec 10d for backups. One server runs the backups fine but the other will cause the vm's to crash when it tries to backup. I think the problem is because the "Microsoft Vitual Server 2005 Writer" is not showing up when I run "vssadmin list writers". Can I install the writer without reinstalling VS 2005?

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  • Bare-metal virtualisation for the desktop

    - by Andrew Taylor
    Hi, Does anyone have any knowledge about bare-metal virtualisation products? I'm interested in building a new desktop machine for home, I've been looking at the Intel Quad Core processors and I'd like to put 8GB of RAM in there, but, it got me thinking about making the most out of the available resources. I thought if I could get a good 64bit machine, put some bare-metal virtualisation on, then have a primary system, I'd also be able to bring up some extra virtualised systems as and when I needed. I know most of the bare metal systems are designed for the server market, but, is there anything out there that works well for a desktop. What are the caveats? I presume I won't be able to make the most out of any video cards I could buy, what about just getting a decent screen resolution, will this be a problem? I run a single 24" screen. What about DVD/CD writing, is this possible? I'd like to re-rip my CD collection, I was hoping the quad 64Bit goodness would help me out with the encoding. I currently use a Mac and couldn't go back to windows so that leaves Linux, I was thinking a primary OS of ubuntu. Does this make a difference? Thanks Andrew

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  • How can I run the same Linux Installation on my hardware and in a virtual machine?

    - by LithMaster
    I've started some development that requires Linux (I'm currently on Ubuntu, but I may switch to Debian), but I still use Windows 7 for my day-to-day computing. I have already tried a dual-boot setup, but I've found that it is too cumbersome to switch between Linux and Windows. I'm wondering if it's possible to setup an installation of Linux (again, Ubuntu or Debian) on a partition of my hard drive that I can also run from Windows in a virtualized environment.

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  • VMWare Host Not Responding - VMs are Disconnected (ESXi 3.5)

    - by EyeonTech
    I have inherited a VMWare environement ESX v3i 3.5. I am not fluent with VMWare ESXi so bare with me. Two days ago, when I opened Virtual Centre, one of the Hosts showed up as Not Responding. The error I am seeing is:----- Unable to acquire licenses because license source is unavailable: The license manager has not been started yet, the wrong port@host or license file is being used, or the port or hostname in the license file has been changed. What I have tried: I have Stopped and Started the license server within the application. When I do this, I am able to disconnect the host in Virtual Centre and reconnect. This brings the host back online, but a few minutes later, the host goes to a not responding state again. I have rebooted the server with the Licensing software installed. While browsing Google, I have not been able to find any steps I feel comfortable performing and I would like the opinion of the VMWare pros. Where are the log files I should be looking at to correctly determine what is going on? Has anyone seen this behaviour and how did you resolve it? Thank you

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  • How to shrink Windows 7 XP Mode VHD files?

    - by A_M
    I'm trying to shrink a Windows 7 XP Mode VHD file with VhdResizer with little success. When I select my VHD file, it says "VhdExpand only supports fixed and dynamic VHD files". My XP Mode VHDs are dynamic files. Does anyone have any idea why it is failing? Failing that, does anyone have a process that I can use to shrink my XP mode VHD files on Windows 7 (64 bit)?

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  • Feedback on Using ZFS and FreeBSD

    - by ToiletOverflow
    I need to create a server that will be used solely for backing up files. The server will have 2TB of storage to begin with but I may want to add additional storage later on. As such, I am currently considering using FreeBSD + ZFS as the OS and file system. Is ZFS a reliable, trusted file system? Should I use it in this scenario? I have read that ZFS should be used with OpenSolaris over FreeBSD as OpenSolaris is usually ahead of the curve with ZFS as far as version updates and stability. However, I am not interested in using OpenSolaris for this project. An alternative option that I am considering is to stick with ext3 and create multiple volumes if need be, because I know that I will not need a single, continuous volume larger than 2TB. Thanks in advance for your feedback.

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  • App-V Problems After SCCM 2007 SP2 Upgrade

    - by GAThrawn
    We're running an SCCM (MS System Centre Config Manager, successor to SMS) 2007 environment and delivering a number of applications to clients virtualized using App-V 4.5.1. The App-V apps are delivered by SCCM in Download-and-Execute, not streaming mode. The SCCM environment was recently service packed to SCCM 2007 SP2 (amongst other things this gives Win7 support). We also pushed out the updated SCCM clients to our workstations. This seems to have broken file associations for virtual apps for a large number of our users. The users can still open their App-V apps by finding the specific app on their Start Menu and clicking it's icon, but double-clicking an associated file in Explorer, or opening an email attachment gives the "This action is only valid for installed applications" error. There is a Technet blog entry from the App-V team talking about this issue "Upgrade to ConfigMgr 2007 SP2 may break App-V File Type Associations" but running the script there comes back saying "The User Interface option has been updated" but hasn't seemed to fix the problems for any of our users. Unfortunately the Technet blogs don't seem to have comments switched on so you can't see how this has worked out for other people. Anyone else had this problem, have you found any other way to fix it?

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  • "vagrant up" fails with "NS_ERROR_CALL_FAILED" error [on hold]

    - by TahitiPetey
    I am following the basic "Getting Started" guide: http://docs.vagrantup.com/v2/getting-started/index.html I ran vagrant init <etc> followed by vagrant up, but it fails with "NS_ERROR_CALL_FAILED" error. Then by enabling debug logging with VAGRANT_LOG=debug vagrant up, I get the following error output: ERROR vagrant: /Applications/Vagrant/embedded/gems/gems/vagrant-1.2.2/plugins/providers/virtualbox/driver/base.rb:316:in `execute' /Applications/Vagrant/embedded/gems/gems/vagrant-1.2.2/plugins/providers/virtualbox/driver/version_4_2.rb:165:in `import' /Applications/Vagrant/embedded/gems/gems/vagrant-1.2.2/plugins/providers/virtualbox/action/import.rb:15:in `call' /Applications/Vagrant/embedded/gems/gems/vagrant-1.2.2/lib/vagrant/action/warden.rb:34:in `call' /Applications/Vagrant/embedded/gems/gems/vagrant-1.2.2/lib/vagrant/action/builtin/handle_box_url.rb:72:in `call' /Applications/Vagrant/embedded/gems/gems/vagrant-1.2.2/lib/vagrant/action/warden.rb:34:in `call' /Applications/Vagrant/embedded/gems/gems/vagrant-1.2.2/plugins/providers/virtualbox/action/check_accessible.rb:18:in `call' /Applications/Vagrant/embedded/gems/gems/vagrant-1.2.2/lib/vagrant/action/warden.rb:34:in `call' /Applications/Vagrant/embedded/gems/gems/vagrant-1.2.2/lib/vagrant/action/runner.rb:61:in `block in run' /Applications/Vagrant/embedded/gems/gems/vagrant-1.2.2/lib/vagrant/util/busy.rb:19:in `busy' /Applications/Vagrant/embedded/gems/gems/vagrant-1.2.2/lib/vagrant/action/runner.rb:61:in `run' /Applications/Vagrant/embedded/gems/gems/vagrant-1.2.2/lib/vagrant/action/builtin/call.rb:51:in `call' /Applications/Vagrant/embedded/gems/gems/vagrant-1.2.2/lib/vagrant/action/warden.rb:34:in `call' /Applications/Vagrant/embedded/gems/gems/vagrant-1.2.2/lib/vagrant/action/builtin/config_validate.rb:25:in `call' /Applications/Vagrant/embedded/gems/gems/vagrant-1.2.2/lib/vagrant/action/warden.rb:34:in `call' /Applications/Vagrant/embedded/gems/gems/vagrant-1.2.2/plugins/providers/virtualbox/action/check_virtualbox.rb:17:in `call' /Applications/Vagrant/embedded/gems/gems/vagrant-1.2.2/lib/vagrant/action/warden.rb:34:in `call' /Applications/Vagrant/embedded/gems/gems/vagrant-1.2.2/lib/vagrant/action/builder.rb:116:in `call' /Applications/Vagrant/embedded/gems/gems/vagrant-1.2.2/lib/vagrant/action/runner.rb:61:in `block in run' /Applications/Vagrant/embedded/gems/gems/vagrant-1.2.2/lib/vagrant/util/busy.rb:19:in `busy' /Applications/Vagrant/embedded/gems/gems/vagrant-1.2.2/lib/vagrant/action/runner.rb:61:in `run' /Applications/Vagrant/embedded/gems/gems/vagrant-1.2.2/lib/vagrant/machine.rb:147:in `action' /Applications/Vagrant/embedded/gems/gems/vagrant-1.2.2/lib/vagrant/batch_action.rb:63:in `block (2 levels) in run' INFO interface: error: There was an error while executing `VBoxManage`, a CLI used by Vagrant for controlling VirtualBox. The command and stderr is shown below. Command: ["import", "/Users/me/.vagrant.d/boxes/precise32/virtualbox/box.ovf"] Stderr: 0%...10%...20%...30%...40%...50%...60%...70%...80%...90%...100% Interpreting /Users/me/.vagrant.d/boxes/precise32/virtualbox/box.ovf... OK. 0%... Progress object failure: NS_ERROR_CALL_FAILED My system setup info: Vagrant 1.2.2 VirtualBox 4.2.14 (Also tried 4.2.10, same error) Mac OSX 10.8.3

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  • One bigger Virtual Machine distributed across many OpenStack nodes [duplicate]

    - by flyer
    This question already has an answer here: Can a virtualized machine have the CPU and RAM resources of multiple underlying physical machines? 2 answers I just setup virtual machines on one hardware with Vagrant. I want to use a Puppet to configure them and next try to setup OpenStack. I am not sure If I am understanding how this should look at the end. Is it possible to have below architecture with OpenStack after all where I will run one Virtual Machine with Linux? ------------------------------- | VM with OS | ------------------------------- | NOVA | NOVA | NOVA | ------------------------------- | OpenStack | ------------------------------- | Node | Node | Node | ------------------------------- More details: In my environment Nodes are just virtual machines, but my question concerns separate Hardware nodes. If we imagine this Nodes(Novas) are placed on a separate machines (e.g. every has 4 cores) can I run one Virtual Machine across many OpenStack Nodes? Is it possible to aggregate the computation power of OpenStack in one virtual distributed operating system?

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  • How to distinguish between virtual disk image formats?

    - by Jakub Žitný
    There is huge number of different formats for virtual storage files for desktop and server purposes (vmdk, qcow2, vdi, vdk, etc.). I'm writing a little script for manipulating them and would like the script to be able to distinguish between them. Of course, it can be done via extension, but I want this to be more reliable. I tried commands file or qemu-img, but the results are not quite clear. Any idea improving my methods?

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  • VirtualBox: Host OS processor is spiked while guest OS virtual processor is idle?

    - by Greg Mattes
    I'm running Windows XP 32-bit on Windows Vista 64-bit with VirtualBox 3.0.6. Whenever I run the XP VM, Vista (host) reports 100% cpu utilization even though XP (guest) reports between 1-5% cpu utilization. The host box has 2 GB of physical RAM. The guest/vm is configured with 512 MB. The host box has a 64-bit AMD processor. No apps (other than VirtualBox) are running on either host, they're just idling. Any guesses as to why the host processor is spiked? I've enabled various advanced features for the XP guest in the hopes of having better performance: Settings → System → Motherboard: Enable IO APIC Settings → System → Processor: Enable PAE/NX Settings → System → Acceleration: Enable VT-x/AMD-V and Enable Nesting Paging

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  • Distributing entropy to virtual machines.

    - by Louis
    Dear All, I'm interested in generating secret keys for SSL on virtual machines using true randomness. By true randomness I mean the same level of entropy that can be generated by UNIX's dev/random and entropy gathering daemon (EGD). Is there a "general knowledge" recipe to route entropy from the physical layer to the virtual machines via the hypervisor regardless of the Hypervisor/Guest OS combination? Example: suppose one "hypervises" with VMware VSphere and instantiates Windows Guest OS. Can this hypervisor collect entropy from its peripherals (like dev/random/ would) and distribute it to these guest Windows OS? When considering the big vendors (VMware, Hyper-V, Citrix, etc), do they have entropy pools that gather entropy that can easily be pushed to their respective virtual machines? Louis

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  • What virtual machine software for fail-over and snapshots?

    - by consolibyte
    We're looking to virtualize a few machines with the hope that we can: a) Take "snapshots" of a machine to use as backups b) Implement a system where if the software/hardware fails, we can quickly and easily load up an recent snapshot on new hardware and replace the failed machine with a new one. As always, cost is a concern- there's only 3 or 4 servers we're going to do this with, so we don't want to drop $50,000 on this. I'm confused by all of the different virtual machine offerings. Which one is does what I want, and does it easily?

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  • Has anyone gotten Plan9 working in VirtualBox?

    - by Electrons_Ahoy
    More than anything, I'm just curious to know if this is even possible, since Plan 9 isn't in the list of GuestOSes on the VirtualBox website. However, if someone out there has got it working, my specific question: Whenever I try to boot Plan9, either as a live cd or to install inside of VirtualBox, once the GUI loads all I get is a screen of garbage. I think I've tried just about every graphics driver combination at startup - specifically, even 640x480x8 in VESA mode didn't work. Any suggestions as to how I can load it?

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  • Newbie one: Virtual Networks - Hyper-V - Remote Destktop - Only one phisical NIC

    - by josecortesp
    Hello everyone, I'll try to explain my situation and I'll apreciate any help: I have a phisical server (quad core, 4Gb ram, 1TB raid 10, etc) with Win Server 2008 R2 enterprise, running IIS, Printing, etc... Also, I want to set up 2 virtual Servers with 2008 R2 standart one with SQL Server and the other with Team Foundation. What i need is: Being able to access from inside the private phisical network, to Remote Desktops on each of the Virtual and the phisical Servers Had Access from the outside, using a router and port Forwarding, to the TFS server and the IIS server (one is virtualized, the other is phisical) This is it, but note that I only have one Phisical Nic. How do I configure this to work. When i set up the hyper-v role, on the wizard something like it showed up but I don't remmember what i choose, and right now, I cannot access none of the servers from remote desktop, not even from the phisical private network. Can anybody point me, what can i do? Thanks in advance (sorry 4 my english, i'm a spanish talker and my english isn't that good)

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  • When I restart my LXC environment, the container does not re-bind to the IP address

    - by RoboTamer
    The IP does no longer respond to a remote ping With restart I mean: lxc-stop -n vm3 lxc-start -n vm3 -f /etc/lxc/vm3.conf -d -- /etc/network/interfaces auto lo iface lo inet loopback up route add -net 127.0.0.0 netmask 255.0.0.0 dev lo down route add -net 127.0.0.0 netmask 255.0.0.0 dev lo # device: eth0 auto eth0 iface eth0 inet manual auto br0 iface br0 inet static address 192.22.189.58 netmask 255.255.255.248 gateway 192.22.189.57 broadcast 192.22.189.63 bridge_ports eth0 bridge_fd 0 bridge_hello 2 bridge_maxage 12 bridge_stp off post-up ip route add 192.22.189.59 dev br0 post-up ip route add 192.22.189.60 dev br0 post-up ip route add 192.22.189.61 dev br0 post-up ip route add 192.22.189.62 dev br0 -- /etc/lxc/vm3.conf lxc.utsname = vm3 lxc.rootfs = /var/lib/lxc/vm3/rootfs lxc.tty = 4 #lxc.pts = 1024 # pseudo tty instance for strict isolation lxc.network.type = veth lxc.network.flags = up lxc.network.link = br0 lxc.network.name = eth0 lxc.network.mtu = 1500 #lxc.cgroup.cpuset.cpus = 0 # security parameter lxc.cgroup.devices.deny = a # Deny all access to devices lxc.cgroup.devices.allow = c 1:3 rwm # dev/null lxc.cgroup.devices.allow = c 1:5 rwm # dev/zero lxc.cgroup.devices.allow = c 5:1 rwm # dev/console lxc.cgroup.devices.allow = c 5:0 rwm # dev/tty lxc.cgroup.devices.allow = c 4:0 rwm # dev/tty0 lxc.cgroup.devices.allow = c 4:1 rwm # dev/tty1 lxc.cgroup.devices.allow = c 4:2 rwm # dev/tty2 lxc.cgroup.devices.allow = c 1:9 rwm # dev/urandon lxc.cgroup.devices.allow = c 1:8 rwm # dev/random lxc.cgroup.devices.allow = c 136:* rwm # dev/pts/* lxc.cgroup.devices.allow = c 5:2 rwm # dev/pts/ptmx lxc.cgroup.devices.allow = c 254:0 rwm # rtc # mounts point lxc.mount.entry=proc /var/lib/lxc/vm3/rootfs/proc proc nodev,noexec,nosuid 0 0 lxc.mount.entry=devpts /var/lib/lxc/vm3/rootfs/dev/pts devpts defaults 0 0 lxc.mount.entry=sysfs /var/lib/lxc/vm3/rootfs/sys sysfs defaults 0 0

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  • IP Forwarding and Routing in Windows 2008

    - by Danialzo
    I have Hyper-V running on a windows 2008. I got a new ip stack from the data center to be set on my virtual machines. But I have difficulties to set these IPs on my VMs because they are on different network. my current server ip is xxx.xxx.18.6 with MASK : 255.255.255.224 and the GW is xxx.xxx.18.1 my new ip stack is xxx.xxx.168.176/29 I can use RRAS to achieve this. Do I need to create another NIC? How do I make these VMs reachable from outside?

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  • Remote Desktop not following display settings

    - by John
    I have my RDP client set up to use highest settings for connecting to another PC on my LAN, which has display settings 1280x1024x32bit. RDP is specifically set to use 32bit depth, but when I connect it drops to 16bit. The PC I connect to is (amongst other things) used to do some 3D graphics. I don't expect great performance, just to check it works... but it doesn't over RDP, the 3D app doesn't think the hardware is the same. Does RDP's integration with Windows mean it is providing some virtualised rendering system? Should I use something less 'clever' like VNC, to literally screen-grab the contents of the screen without altering the settings?

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  • Virtual machine on ubuntu

    - by MITHIYA MOIZ
    I have configured virtual machine on ubuntu with the help of below article, https://help.ubuntu.com/9.04/serverguide/C/libvirt.html I managed to finish all the part except the major portion getting virtual host to talk to real network, Which I guess should be done only via bridge interface. Via virtual machine manager I try to choose any interface it gives me interface not bridged When I try to bridge the interceface eth0 as below auto br0 iface br0 inet static address 192.168.0.223 network 192.168.0.0 netmask 255.255.255.0 broadcast 192.168.0.255 gateway 192.168.0.1 bridge_ports eth0 bridge_fd 9 bridge_hello 2 bridge_maxage 12 bridge_stp off I cannot communicate with this interface to network, host server looses all the communication to network. But when I remote bridge interface from /etc/network/interfaces And configure eth0 as below it works fine The primary network interface auto eth0 iface eth0 inet static address 192.168.0.223 netmask 255.255.255.0 network 192.168.0.0 broadcast 192.168.0.255 dns-nameservers 62.215.6.51 gateway 192.168.0.1 how can i setup bridge interface correctly and how would my /etc/netwrok/interfaces file would look a like.

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  • VNC on Xen failure

    - by BCable
    The following config works and creates a good VM in Xen: # Kernel Setup kernel = "/boot/vmlinuz-2.6.18.8-xenU" # Memory memory = "256" # Disk disk = [ "file:/opt/xen/domains/110/sda1.img,sda1,w", "file:/opt/xen/domains/110/swap.img,sda2,w" ] # container name name = "110" hostname = "boo" # Networking vif = ["type=ieomu, bridge=xenbr0"] # VNC vnc = 1 #vfb = [ 'type=vnc,vncdisplay=2,vnclisten=0.0.0.0,vncpasswd=110' ] # Behavior Settings root = "/dev/sda1" extra = "fastboot" But when I uncomment the VFB line, I get the following error after it hangs for at least 30 seconds: [root@customer 110]# xm create boo.cfg Using config file "./boo.cfg". Error: Device 0 (vkbd) could not be connected. Hotplug scripts not working. Any ideas? Part two of this question: Sometimes it actually works, and a port is opened. When this happens, nmap shows the VNC ports open and I can connect via the VNC client, but it just hangs at "Connection established." and no VNC display shows up. I've tried multiple VNC clients (TightVNC, TightVNC Java Console, RealVNC), but they all fail to connect. Does VNC through Xen require X to be started in order to function? I was under the impression that it would show the console screen, so I'm confused as to why all these issues are occurring. Thanks!

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