CentOS 5 :: Installed With Virtualization, Don't Want Xen?

Sep 22, 2009

I chose virtualization when installing Centos 5.3. The kernel I got is 2.6.18-128.el5xen My plan is to use KVM, I disable xend service. I don't need a xen enabled kernel. How do I update the kernel to a non xen one?

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CentOS 5 Server :: Centos 5.4 And Xen 3.4.2 Full Virtualization Not Working

Mar 31, 2010

I installed the latest version of Centos 5.4.It came with Xen version 3.0.2 I think.I am running it on a Dell R510. It supports hardware virtualization.I was able to virtualize Windows XP and Windows 2003 server on it by selecting the install from DVD option.I was having problems trying to get a PCI DekTek card seen by the virtualized Windows domains so I tried to upgrade XEN to 3.4.2.I used the repos available from Gitmo and it went easy.

The only problem is now that when I try to create a "New virtual host" it only allows me to use HTTP, FTP option and not the iso or DVD option. They are greyed out. I was wondering if anyone has had this problem and might know a work around for the Xen 3.4.2 problem. Perhaps a better location for the kernel or something.

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CentOS 5 :: Virtualization On Top Of Cluster?

Apr 3, 2009

i'm a familiar with Linux environement ( fedora 10 user ) and i got a project in a training where i have to create a cluster with two nodes where i have to set up a number of VMs that will run applications such as ( Samba, Ldap, Zimbra, ...) but i don't know how to virtualize on top of a cluster ! i would like to know how that can be done, and how is it possible to let the VMs get ressources ( RAM & CPU ) from the two nodes ??

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CentOS 5 :: Virtualization - Server And Desktop ?

Feb 2, 2011

I have a customer who has (currently) three servers running Centos 5.5, one running Windoze 2003 and around thirty or so workstations running XP Pro.

I've just been reading about RedHat's product - RHEVD and was wondering of anyone knows if this product (or anything similar) is aavailable under CentOS.

Basically what we need to be able to do is to virtualize the XP workstations so that the staff can connect via a browser (inside the office or off-site - or for that matter anywhere) and be presented with a standard desktop.

I know I can achieve this using Citrix XenDesktop or VMWare View but I would prefer to use a FOSS solution if one exists. Having said that it has to be robust and well past Beta

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CentOS 5 :: Get An Almost Bare Metal Virtualization Running?

May 28, 2009

I am trying to figure out how to get an almost bare metal virtualization running, and having a hard time getting it going I tryied the Virtual Machine manager, but it wont let me do full virtualization.

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CentOS 5 :: 5.3 - Install Solaris 10 At Xen With Full Virtualization - Hvm

Sep 25, 2009

I have centos 5.3 with text console onl, not X server, now I try install solaris 10 at xen with full virtualization (hvm)

Now I have some like "zombie domain"

How I can to kill this? If I reboot the server it doesn't help.

No fonts found; this probably means that the fontconfig library is not correctly configured. You may need to
edit the fonts.conf configuration file. More information about fontconfig can be found in the fontconfig(3) manual page and on [url] Domain installation does not appear to have been successful. If it was, you can restart your domain by running 'virsh start solhvm123'; otherwise, please restart your installation.

Do you know what this a problem?

If I chagne --vnc to --sdl and run below command on my desktop to appear windows and disappear for 1-3 seconds, virt-install -n solekhvm3 --ram 1024 --hvm --disk path=/dev/vol1/solek --sdl --cdrom /dev/cdrom --os-variant solaris10 --force

In log I have:

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CentOS 5 Server :: Implement Virtualization Using A Remote Connection?

Jun 26, 2009

The word on all lips are "virtualization" so I decided to smell this flavor.
I have a machine running CentOS 5.3 64bit and I have unlimited access to this machine, but I don't want to reach it physically.
Is it possible to install and maintain a virtual medium using ssh or other remote connection?
When I installed the OS I have selected the packets regarding the virtualization, but now from where can I start?
Is somewhere a guide for doing this?

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CentOS 5 :: Virtualization: Dual Boot Xen And Ordinary Kernel?

Sep 1, 2010

If you select "support virtualization" during install, you get the xen kernel installed.

Some things do not work with this kernel (e.g. nVidia drivers). So my question is whether it is possible to install both kernels (xen and ordinary) and select between them with grub at boot time?

I did try this a while ago, by first installing with xen and then manualy adding the ordinary kernel, but the ordinary kernel failed to boot (for reasons I don't now recall - sorry). Clearly, there must be differences in the "virtualization" build other than the kernel.

The alternative, if I want to play with virtualization, would be to have two entirely separate installations, but this seems like a waste of space when surely almost everything must be identical?

I can't find anything in the Centos Xen documentation about this.

Before I try again I would just like to check if anyone actually knows if this is possible, or if not why not?

Or can it be done with KVM?

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CentOS 5 :: Create KVM Virtual Machine With 5.5 As A Guest - Virtualization - Virt-install Error

Jul 22, 2010

I have CentOS 5.5 and try to create KVM virtual machine with CentOS 5.5 as a guest. But when I exec command:
virt-install --connect qemu:///system --name test --ram 1024 --file=/var/lib/libvirt/images/test.img --file-size=10 --vnc --cdrom=/var/lib/libvirt/images/CentOS-5.5-x86_64-bin-DVD-1of2.iso --vncport=10000 --accelerate --os-type=linux --nonsparse --livecd --hvm

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CentOS 5 Server :: Salvage Machine After Running "yum Removegroup Virtualization"?

Jun 11, 2009

I had just put the last touch on a snort, mysql, apache, barnyard, base isntall to CentOs 5.3. I noticed that ifconfig displayed an odd virtual nic, and I wanted as little running on this machine as possible. I don't remember specifying that I wanted XEN installed. And on the old lowend machine that is powering this server, Virtualization was the last thing I wanted running on it. I did a google, discovered that the way to remove XEN completely (yum uninstall xen' only removed 'xen' but still, oddly, xen was running after a reboot. Talk about perplexing.


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CentOS 5 :: Package Installed But Not Installed?

Apr 3, 2009

I am trying to put up my own Quake2 server to play with my friends. During this installation process I have encountered rather confusing issue. First I downloaded the Q2 server binaries in RPM package and tried installing it:


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CentOS 5 Server :: Installed CentOS 5.3 On A Machine, And Need A Samba Version 3.2 Or Higher?

Jul 8, 2009

I've installed CentOS 5.3 on a machine, and I need a Samba version 3.2 or higher. Since 3.4 is out, I thought I'd grab that. But, "yum list|grep samba" gives me only version 3.0.33. Is there a package of Samba I can grab that will upgrade the 3.0 installation so that I don't have two laying around? If not and I need to compile from source, do you have any suggestions for what arguments I should give configure? I'm not used to Linux coming from the BSD world

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CentOS 5 :: Centos 5.2 Installed On /dev/hda3, Won't Boot, Cant Find Grub Stage 2?

Nov 10, 2009

I just upgraded by box from Fedora Core 9 to Centos 5.2. Finally!I have a 500GB SATA drive, it's partitioned into three equal size slices, hda1 through 3. The old Fedora was on hda1, I installed the new Centos on hda3. I instructed the installer to write the MBR to /dev/hda, not /dev/hda3. Fdisk says I have sector 0 unused.First, the system wouldn't boot - it just looped through the BIOS, rebooting over and over again. The BIOS sees the disk, but it never loaded Grub. I tried re-running grub-install /dev/hda, and not I get a Grub Error 17 after stage 1.5 loads.

I can boot from rescue OK, the grub.conf man menu.lst look fine, it's pointing to "root (hd0,2)". It's either the BIOS that can't find the MBR, or the MBR can't find Grub.When I looked at the disk with fdisk after the install, hda1 was still marked bootable, hda3 was not, so I swapped bootable flags but that has not made a difference. I also appended the new grub to the old grub thinking I could get the MBR (if it is there) to load the old grub and thence find the new Centos, but that didn't work either.Mobo is an old Shuttle AK35.Any ideas? Did I mess up by not telling the system to put the MBR on /dev/hda3? Is there a way to fix this without reinstalling?

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CentOS 5 Server :: Logging Into A Newly Installed CentOS 5.3 Box?

Jun 3, 2009

I am having trouble logging into a newly installed CentOS 5.3 box. I can SSH into the machine with root but can not do so with any normal users. I get the error, "connection refused." My firewall is currently turned off.

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CentOS 5 :: Dock Software Can Be Easily Installed On CentOS 5.3 64?

Sep 13, 2009

Such as kiba-dock , SimDock. I can't install these softwares on CentOS 5.3 64, since too many libraries need to be upgraded. The default panel is not so good.

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CentOS 5 Networking :: Find Whether Firmware Is Installed In CentOS 5.4?

Jan 19, 2010

I am trying to get the wireless enabled in my laptop. Following is the dmesg log I get:

ipw2200: Intel(R) PRO/Wireless 2200/2915 Network Driver, 1.2.2kmprq
ipw2200: Copyright(c) 2003-2006 Intel Corporation
ipw2200: Detected Intel PRO/Wireless 2200BG Network Connection


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CentOS 5 Networking :: Installed Centos 5.5 - No Internet / Get It?

Dec 7, 2010

I have installed CentOS 5.5 but i have no Internet what could i do so it is working ?

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CentOS 5 :: ANSYS 11 Ca Be Installed On CentOS 4.3?

Sep 27, 2009

Can somebody tell me if ANSYS 11 ca be installed on CentOS 4.3 ? and beside of this, all modulles (inclusiv Ansys WOrkbench) functions good ?

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Fedora :: How To Download Kvm Virtualization

Dec 4, 2009

I messed up my kvm virtualization, I think. I want to reload it. I think I'm supposed to type yum install aptName.Is that right?Also, I don't know what to put in for aptName. I can't find the package names on the Fedora site. Where did they hide it? Also, where do I download apts. I searched with Google and find all kinds of sites I don't trust.

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Fedora :: Run 12 In Virtualization Mode On PC?

Mar 16, 2010

I would like to run Fedora 12 in virtualization mode on my PC. Primary OS is Win 7 Pro X64 Can I use the Windows Virtual PC for this or a third party VM software is better. Any recommendations? Which version of Fedora 12 should I use ? Can I use the Live CD version ?

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OpenSUSE :: Xen 4.1 - Hardware Virtualization With 11.4

May 6, 2011

I would like to know or to retrieve a guide with all the steps to follow to do a hardware virtualization in a 1.5 TB-HDD in which i want to have 2 VM with VT-d (Hardware virtualization) one VM with Opensuse 11.4 x64 and the other with Windows 7 x64. The fact is that I want to run both VM's at same time and I need aid and tips with Xen 4.1 because all the Tutorials and guides that I've seen are from non updated versions (3.0, 2.2...). Do I need 3 partitions to virtualize by hardware (one for the host and the other 2 for the VM's)?? Which host OS do you recommend me?

Is it hard to configure Xen and anyway, how to do it? Basically I'm a novice use of linux and my doubts come up refering to Xen configuration, installation and Hardware virtualization selection ( Graphic Card Virtualization above all) because if I have to touch the BIOS settings tell me how, or the application sets it by itself? What I want to virtualize is a 7 Professional 64bits with most of the Disk space (at least 1 TB)for gaming&multimedia, and Opensuse 11.4 64bits. I'll use suse to work & test software.

Motherboard Gigabyte GA-H67A-UD3H
Processor: Intel Socket 1155 - Intel Core I5 2400 3.1Ghz
OpenSuse 11.4 (default DVD kernel version)
RAM memory Kingston ValueRAM 8 GB DDR3 1333 in modules of 2.
Hard drive 3.5 SATA - Samsung HD154UI 1.5TB SATA2 32MB MAESTRO.

I'm not searching for software virtualization/ full virtualization / paravirtualization. I'm searching for vt-x, vt-d & Graphic card optimizing with windows emulated environment. And do you recommend me to use another Xen version or software to achieve this goal?

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General :: Which Virtualization Software Is The Best?

Jun 30, 2011

I am using Ubuntu 11.04, I also like Fedora, Opensuse and Mandriva. How can I run these Linuxes in Ubuntu with Virtualization? Which virtualization software is the best? Can I download it?

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Debian Configuration :: Kernel For Virtualization ?

Apr 12, 2010

I was wondering if anyone can assist me. I am looking to build a server with Debian as the host. When I installed Debian (Squeeze) the default kernel was "2.6.32-3-trunk-amd64". When I tried to install 'Virtualbox' application, I got a failure because I didn't have the 'kernel-headers' installed on my machine. I noticed there are no specific header package the 'trunk' kernel I was using. I have a few questions so I guess I should begin:

Is it safe to remove the 'trunk' kernel and boot my system on just the regular 2.6.32-3-amd64 kernel? Is this OK or not recommended? Please explain whatever is the correct answer. This is my 1st time using a 'Trunk' kernel so I don't know the in's and out's of it.

If I am using Debian 'Testing' for virtualization via 'Vbox', is there a specific kernel I "should" be using?

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Fedora Installation :: Setup Xen Virtualization On 13?

Jun 10, 2010

i'm currently using ferdora 13. would like to know how can i setup xen virtualization on it?

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OpenSUSE :: KVM Network Virtualization Docs?

Jan 12, 2011

I have an Opensuse 11.1 system I am using to host a single Opensuse 10.3 KVM guest. The hardware has 2 nics that i would like the host to bridge to the guest. I have done many Googles and have not had a lot of luck finding a set of docs that I can use to help me set this up for Opensuse.

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General :: Virtualization - Mount A VirtualBox .vdi Dis?

Jun 30, 2010

I am running Fedora on a VirtualBox. Sometimes to allow for performing some real hardware testing, I need to run my development environment on a physical machine. So I need the hard disk of the virtual machine (the .vdi file) to be interchangeably working on both the virtual machine itself and my physical PC by booting a bootable image, mounting the vdi file, and then chrooting to it.

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Ubuntu Servers :: What Virtualization Software To Use

May 2, 2010

I am reading 'Deploying Rails Applications' and want to create a Rails clustered deployment setup as described in page 141:
Host: Ubuntu server
Guests: 2 Ubuntu vms, each with Nginx on port 80, a few mongrels (app server for rails) and MySQL
What open source virtualization software do you recommend for this purpose? I am trying virtualbox but heard good things about KVM. I have some questions regarding vbox and posted them on vbox forums - [URL].

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Server :: Two Servers Versus Virtualization

Jun 2, 2011

I am leading a project at work that will require at least one new server. There will be a development server and a production server, which changes from development will be rolled onto. Unfortunately, I am more of a web programmer than a Linux guru, and I really don't know whether or not it is better to have two physical servers or two virtual servers on one machine. I don't think there will be a huge toll on the machine, as there will probably be around 1000 total users and less than 100 on at any given time. We are also able to spend quite a bit on the server, so I'm sure one could handle it, but I just wanted to check and see what the advantages and disadvantages would be in this situation.

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Server :: Location Of Virtualization Packages On CD / ISO?

Jun 4, 2011

I cannot find the packages contain virt-manager and virt. Does anyone know where these are located on the CD or ISO?

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Debian Configuration :: Virtualization Instead Of Dual Boot?

Sep 11, 2011

One of the things holding me back from building a new system with nothing but Linux is the vague possibility that that I might need to use some proprietary program that only works on Wind'ohs in the future. So far it has been easy to keep dual boot systems around, but a new system will be > 4 Gb of RAM of course, so I can't just install one of my copies of Win XP on it. But buying a new 64-bit version of Wind'ohs for ~$200 seems a waste.Is it now possible to run XP in a "virtual" machine under Debian? More importantly, is it possible to install XP completely from within the virtual machine so it never sees the > 4 Gb or RAM and freaks out? What sort of hardware is required to do something like this? I presume a CPU with certain special capabilities is essential, but wouldn't those special instructions (whatever they are) be pretty standard now? Would the virtual XP install need its own partition?

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