Ubuntu :: Web Based Virtual Machine Manager For Server - Open Source

Feb 20, 2011

Are there any open source Virtual Machines which have web based administration. I am setting up Ubuntu 10.4 x64 and would really like to find a usable virtual machine manager. I really like Virtualbox but only the full version has web based administration. I have also tried VMware but it isn't open source.

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Ubuntu :: Open Source Virtual Machine - Study The Source In Order To Create My Own?

Jun 28, 2011

Is there any open source virtual machine so i can study the source in order to create my own? i'm gonna write my own, so it doesNT matter if license does not allow further development of the code.

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CentOS 5 Server :: Create Qcow2 Image In 5.5 Virtual Machine Manager?

May 18, 2010

I'm trying to set up a virtual machine environment in Centos5.5. My hardware fully supports virtualization, and I'm running qemu as the hypervisor with Virtual Machine Manager as the GUI to manage and create VMs. Host hardware is a Dell PowerEdge T710, with a quad core Xenon processor and four 1TB disks in a raid 6 array.

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?

I want to create a qcow2 image format, but it doesn't look like it is supported. Does anybody know how to create a VM with a qcow2 image format?

When you create a blank disk with "qemu-img create -f qcow2 disk.qcow2 3700G", it indeed does create a qcow2 image. However, Virtual Machine Manager is unable to read these images, claiming that it is 15 megs or so in size (which is what it actually occupies in host disk space until you try and put a VM into it).

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Fedora :: Moving An LVM Based Virtual Machine

Jul 28, 2010

I'm hoping this is the right sub-forum, if not please move this post. My question is, how would I go about moving an LVM based virtual machine to a different host? Can I just use dd to copy the entire logical volume to a file, move the file to the other host, then again use dd to copy the file onto a newly created logical volume? I'm using KVM by the way.

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Red Hat / Fedora :: Implementation Of Kernel-based Virtual Machine

Jun 9, 2011

I'm Redhat 5 user, and I want to implement Kernel-based Virtual Machine. I tried too much search in google but I cant find the perfect instruction regarding it.

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CentOS 5 :: Install Vmware Server On 5.5 - Error "You May Not Power Virtual Machine In Virtual Machine"

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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Software :: GUI (GTK) Based / Open Source Computer Algebra System

Sep 10, 2010

Are there any Computer Algebra Systems in the Ubuntu repositories that are GUI (and preferably GTK+) based and open source, as well as capable of graphing (and in 3D)? That being: A complete FOSS competitor to Microsoft Student.

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Fedora :: Virtual Machine Manager

Jul 30, 2009

I'm having some issues with a windows virtual machine. The system is Fedora 11 and the virtual machine is Windows 2008 Server. If I start the virtual machine from the virtual machine manager, it only has a single cpu despite my setting it to eight. If I start the machine from the command line, I can get four cpus but not eight. In both cases windows seem to display the eight cpus in the device manager (or whatever program it is). It has been suggest that windows was imaged on a four core machine before being loaded on the eight core machine and that something in windows is maxing at four cores. But that doesn't explain why the virtual machine manager can only start one cpu. I just played around on my home machine with a fedora 10 live cd and it recognized the two cores on that machine and used them from the virtual machine manager without problem. Also upped it to three cpus without problem.

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Fedora :: Unable To Use Virtual Machine Manager On F11

Jul 13, 2009

I tried to yum install libvirt but it says it is the latest.I have also checked that i have the latest qemu-kvm virt-manager virt-viewer python-virtinst.I understand that the error msg says that it is unable to find that certain file, libvirt-sock, and i dun think i have it either.

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Fedora :: Virtual Machine Manager Does't Works

Oct 19, 2009

I have the virtual machine manager in fedora 11.On Dell Inspiron 1545 (dual core, 2GB RAM)I can not run any linux distribution virtualized Using Qemu as engine.The virtualized system boots but after not working.Try distributions of 32 and 64 bit.

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Fedora :: Virtual Machine Manager Cannot Start VM

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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Fedora Servers :: NX And Virtual Machine Manager

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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Fedora :: Virtual Machine Manager Error

Jan 31, 2010

i have fedora 11 installed on my laptop. i used to run another linux flavor through virtual machine manager but it is giving error. i have just tried it with different flavors. i tired it with BACKTRACK, UBUNTU AND MINT(live cd) each time it gives error. last time i tried with QEMU type connection as loca installation media(iso). with the MINT iso it gave the error.

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Red Hat / Fedora :: Virtual Machine Manager Not Working

Jul 5, 2010

I'm using fedora 13(x86_64).i installed windows xp in the virtual machine manager(which comes along with my distro).i installed it after creating the virtual hard disk,but after completing the installation of windows xp,the hard disk is not booting,it throws an error like the following picture.

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Fedora :: Virtual Machine Manager And Virtualbox Not Working

Jun 18, 2010

i want to run winxp really bad in virtual machine, but have yet to get the programs to open without error.

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General :: Make Virtual Machine Using Virt-manager?

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.

1 change system ip into static and install virtualization group.

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.

4 then on login with xen kernel and on terminal i give virt-manager command and follow steps. at last i get above error. where i m wrong,clearify me so i make vir m/c .

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Fedora :: Mount .img File Created By Virtual Machine Manager.

Jan 19, 2010

I have a file that was created in Virtual Machine Manager and I need to get it out of the virtual operating system(windowsXP). Writing to a USB would be ideal but that hasn't been working since I upgraded to Fedora12.Is there anyway I can mount the image to retrieve the file?wrong fs type, bad option, bad superblock on /dev/loop0, missing codepage or helper program, or other error In some cases useful info is found in syslog - try dmesg | tail or so mounting as fvat doesn't work either.

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Fedora Installation :: Virtual Machine Manager Doesn't Want To Start

Sep 27, 2010

installed vmm, then when i tried mounting i get this error message;Unable to open a connection to the libvirt management daemon.

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Fedora :: FC13 Virtual Machine Manager Excrutiatingly Slow

Jul 26, 2011

I used my fc13's "Virtual Machine Manager" to install a FC14 vm image from a new iso.After a week of 8 hour days I got fc14 installed, I think that the "minimal" install option was bad. Now it takes yum 15 minutes to get warmed up. and about an hour for 1 simple package.(It was going in the background while working on other stuff, causing the cpu fan to roar with the extra load)It would be easier to install Fedora on an abacus or perhaps water clock.

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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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Fedora Servers :: Virtual Machine Manager Won't Allow Memory Allocation Over 1024

Jan 26, 2010

I'm running Fedora 11 (2.6.30.10-105.2.4.fc11.i686.PAE) 8 GB memory on a AMD Phenom(tm) II X4 965 Processor, 4 core server I just built.The problem I have run into is any virtual machine that has >1024 MB memory assigned to it will not boot. As along as it has 1024 MB or less it boots fine.The symptom you see is a very quick message "Booting from hard disk" the screen then goes blank, you can't login through SSH, and can't ping the network address so I know it's not some crazy video problem hiding the boot process.The attachment are messages from a failed boot attempt.

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OpenSUSE :: Virtual Machine Manager - Can't Connect To Localhost Because Libvirtd Is Not Running

Sep 16, 2010

It complains that it can't connect to localhost because probably libvirtd is not running. Well it is running, so please share your wisdom with me. Here is error message:

[Code]....

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OpenSUSE :: Change The Resolution Of The OS Running Inside Virtual Machine Manager?

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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OpenSUSE :: Failed To Open A Session For The Virtual Machine Windows XP?

Sep 14, 2010

I have installed virtualbox on opensuse 11.2 64bit.

When I go to open a machine it says

"Failed to open a session for the virtual machine Windows XP. The virtual machine 'Windows XP' has terminated unexpectedly during startup with exit code 1."

"
Result Code:
NS_ERROR_FAILURE (0x80004005)
Component:
Machine
Interface:

[Code].....

as root. Users of Ubuntu, Fedora or Mandriva should install the DKMS package first. This package keeps track of Linux kernel changes and recompiles the vboxdrv kernel module if necessary."

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Applications :: VirtualBox - Failed To Open A Session For The Virtual Machine

Apr 8, 2010

I'am using gentoo linux. After some system's updates VirtualBox stoped loading any virtual machine with error:

Code: Failed to open a session for the virtual machine. Virtual machine has terminated unexpectedly during startup.

Details:
Result Code: NS_ERROR_FAILURE (0x80004005)
Component: Machine
Interface: IMachine {99404f50-dd10-40d3-889b-dd2f79f1e95e} Kernel log

Code:

So, i've rebuilded all VirtualBox dependencies with safe flags, then i've recompiled most of the sys-* packages also with safe flags. However VirtualBox still doesn't work.

UPD: virtualbox-bin-3.1.4

UPD2: 3.1.6 and ose-versions crashes with same errors

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Server :: .htaccess And Name Based Virtual Hosts?

Apr 12, 2011

I have a CentOS 5.5 Server and I'm hosting 3 different Name-based Virtual Hosts. Using Joomla 1.5 for the site. Each VHost has it's own subdirectory under /var/www so I have .var/www/vhost1, /var/www/vhost2 etc.

The Code in my httpd.conf for each vhost is : -

# Virtual host vhost1.site.com
<VirtualHost 192.168.0.203:80>
DocumentRoot /var/www/vhost1
ServerName vhost1.site.com
ServerPath vhost1/

[Code]...

It works perfectly, but I'm getting a lot of unwelcome spiders and bad bots trawling for MP3 files because there are a few MP3 files on one the sites. I've added all the Bad Bots to my .htaccess file and now I need to know if I should make only ONE .htaccess and put it under /var/www OR create a different .htaccess file for each vhost (this would be an ideal solution, but I'm not sure if it can be done).

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Server :: Name Based Virtual Hosting Not Working?

Jan 10, 2011

I've been trying to get my name-based server to work for a week now. I've read about everything there is and double checked my configs, but when I go to any of my sites, it always goes to the first virtual host.Here is my Webmin system info -Quote:

System hostnamelocalhost.localdomain
Operating systemRedhat Linux Fedora 11
Webmin version1.530

[code]...

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Server :: Name Based Virtual Host For Apache And Tomcat

Jul 22, 2010

I am having two domains. for ex: www.example1.com and www.example2.com. These two domains need to be hosted under one ip. Yes by configuring name based virtual host we can do that. But, my question is my first domain(www.example1.com) need to be hosted by Apache web server, and my second domain(www.example2.com) need to be hosted by Tomact. Is it possible to configure name based virtual host for a scenario like this.

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Fedora :: Virtualbox Error 'Failed To Open Session For Virtual Machine Windows 7'

Jun 6, 2011

When i try to create a virtual machine using the Windows 7 Enterprise Evaluation iso file, everything goes as planned untill i click on the start button. when i click on it i get two error messages. the first: Failed to open a session for the virtual machine Windows 7. The virtual machine 'Windows 7' has terminated unexpectedly during startup with exit code 1. Kernel driver not installed (rc=-1908). The VirtualBox Linux kernel driver (vboxdrv) is either not loaded or there is a permission problem with /dev/vboxdrv. reinstall the kernel module by executing

'/etc/init.d/vboxdrv setup'

as root. Users of Ubuntu, Fedora or Mandriva should install the DKMS package first. This package keeps track of Linux kernel changes and recompiles the vboxdrv kernel module if necessary. i have installed the DKMS package, but when i try to run the command stated in the error message, i get another error message in the terminal:

[code]...

i have to install the driver that is specified (vboxdrv) but i do not know where to find it.

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Server :: Separate SSL Sites For Multiple IP / Name Based Virtual Hosts?

Feb 15, 2011

I have set up a SSL site for my default Apache server. But I want to set up multiple SSL sites for multiple IP based as well as Name based Virtual hosts. Is there a way where in I can include definitions for SSL certificates and keys within the Virtual Host directive in the httpd.conf, so that I can specify separate key and cert file for every Virtual Host.

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