OpenSUSE :: Virtual Machine Manager Vs. Qemu-kvm Commandline ( Tap Xor Snapshot )?
Mar 28, 2011
I want to experiment with pacemaker, and for that I'd like to start kvm virtual machines with the snapshot option, so that as soon as I stop the vm, all changes are gone and I can start over. Since I couldn't figure out how to setup networking (vm - vm and vm - public) with a kvm commandline without disturbing the Network Manager, I used the Virtual Machine Manager (VMM) for this.
It works now, but I cant see how to use the snapshot option with the VMM. On the other hand, I cant see how I start the resulting vm from the commandline. When I look at the process list, I see the command with these network options:
Code:
-netdev tap,fd=21,id=hostnet0
-device virtio-net-pci,netdev=hostnet0,id=net0,mac=52:54:00:45:30:b0,bus=pci.0,addr=0x3
-netdev tap,fd=22,id=hostnet1
-device virtio-net-pci,netdev=hostnet1,id=net1,mac=52:54:00:84:5b:bc,bus=pci.0,addr=0x6
How would I go about these fd=nn things on the commandline? I guess I somehow have to start the tap devices before, but how?
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Nov 8, 2010
I just install QEMU and virtual machine manager to use virtualization, but virt-manager cannot run properly. I can create a VM, then mount CDROM ISO, startup. With Windows installation, it runs well until format partition step, after that it is disconected and exit with error related to VNC. I dont know why have this problem cause the packages that I installed is from Fedora repo and I think they have been tested.
Here are some infos:
Fedora 14 - kernel 2.6.35.6-45.fc14.i686.PAE
qemu-2:0.13.0-0.7.rc1.fc14.i686
libvirt-0.8.3-2.fc14.i686
virt-manager-0.8.5-1.fc14.noarch
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Apr 11, 2011
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Jan 6, 2010
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Sep 16, 2010
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[Code]....
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Jun 7, 2011
I am running Windows 7 inside Virtual Machine Manager - running on Cent OS 5.6. My problem is that the Windows 7 'Window', is only about half the size of the screen. Is there any to change the resolution of the OS running inside Virtual Machine Manager?
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Jul 30, 2009
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Jul 13, 2009
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Oct 19, 2009
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Dec 11, 2009
I get errors when trying to manage my VM with Virtual Machine Manager.When adding the disk img, it complained that it didn't have search rights and tried to fix it but failed.It let me move on so I moved forward.I then built the VM and I couldn;t start it from within VMM.
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Jan 22, 2010
I have an F12 installation on which I have installed NoMachine's NX server. I can remote in nicely when needed (try to do as much as possible via SSH) while not having to boot into and stay on Gnome on the server and run VNC.I noted that when I try to start the Virtual Machine Manager from an NX session, I get an error that VMM is "unable to open a connection to the libvirt management daemon". libvirtd is running, however. And, when I startx on the server and try there, VMM works fine.Is this an inherent problem with the use of VMM, or something correctable?
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Jan 31, 2010
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Jul 5, 2010
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Jun 18, 2010
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Mar 31, 2011
Unable to complete install: 'Invalid install location: Mounting location nfs://192.168.1.12/var/ftp/pub/ failed' when i try to make virtual machine using virt-manager. i get this error.why this occur,please tell i take these steps for making virtual m/c.
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2 make one partition where i want to install vitual m/c
3 then vim /etc/exports, in which i give path where is data and give rw permission to all. then restart services of portmap and nfs.
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This question is about technical possibilities, not licences.
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Jan 19, 2010
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Sep 27, 2010
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Jul 26, 2011
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Jan 26, 2010
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Feb 20, 2011
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May 18, 2010
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Within the Virtual Machine Manager when trying to create a new VM, there is the option to not "allocate entire virtual disk now". What format is created when you "allocate entire virtual disk now" and when you don't?
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May 15, 2010
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May 27, 2010
I have installed CentOS on a VMwareWorktation and that CentOS, i also install VMware Server (suscess) and setup a guest OS that, but i start this Guest OS, an error show "You may not power virtual machine in virtual machine"...
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Sep 5, 2015
I just installed qemu and want that my VM should have net access too. So for that I installed bridge-utils and used URl....Add both the interface with the second computer, and the interface that leads to the existing network. Do it with this command: # brctl addif br0 eth0 eth1
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Jan 23, 2010
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May 16, 2011
How to change the .iso in virtual cdrom after qemu is started?Host is Debian, ctrl+alt+2 doesn't work.
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Feb 19, 2011
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Jul 21, 2010
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Jan 5, 2010
I have been unable to create any type of Windows VM in Xen. Every time it tells me that the processor(s) in the machine do not support full virtualization. After some research, I found several articles regarding the vmx setting in /proc/cpuinfo not showing up when the xen kernel is booted versus it showing up in the default kernel. Of course, I am not seeing the vmx extension in /proc/cpuinfo after I boot to the xen kernel. In the other posts where other people are in the same situation, the only resolution is to upgrade to the 2.6.16 xen kernel. I am already past that:
linux-vxke:~ # uname -r
2.6.31.8-0.1-xen
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