OpenSUSE :: Install Other Distro's In DomU Under Xen?

May 31, 2011

I've setup a server running OpenSUSE 11.4 64bit and configured as a Xen server. I was easily able to install another OpenSUSE 11.4 installation in a DomU and also a Windows DomU. However, I have major issues trying to install CentOS 5.6 in a DomU. For example, if I install right from the DVD, I get a kernel panic using HVM and a "can't find disk, choose disk driver" error using PVM. Some of our server applications require a RHEL5 host distro which is why I'm running CentOS 5.6 for those services.

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OpenSUSE Install :: 11.2 Crash As Xen-domU?

Nov 13, 2009

I've installed OpenSUSE 11.2 x64 on my Intel Core 2 Quad machine with 8GB of RAM nstallation went perfect. After the main installation, I've installed the XEN-kernel. Booting into the XEN-kernel goes fine.But, now I want to install the first domU (paravirtualized). I use the same installation disk but OpenSUSE 11.2 won't install. It crashes directly. Neither the x64 or the x86 version works.The strange thing is that I can install OpenSUSE 11.2 as "full virtualized".Also, OpenSUSE 11.1 (paravirtualized!) as a domU works perfect!!

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OpenSUSE Install :: Xen DOmu Not Booting Up?

Feb 9, 2011

problem booting into xen domu. THe console shows this.

[ 1.457957] PCI: Fatal: No config space access function found
[ 1.648029] bootsplash: found, but framebuffer can't handle it!
[ 1.677603] i8042.c: No controller found.


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OpenSUSE Install :: DomU (paravirt ) On LVM Fail To Start

May 19, 2010

I am trying to install opensuse 11.2 as DomU on a Host running also opensuse 11.2. When I use a file as destination everything goes well and the installation finishes with success. But when i install the DomU on an LV (Logical volume) with Yast, once the installation finished and the DomU restarts, I get the Error "Boot Loader didn't return any data"

I mounted the LV and I verified the presence of /boot/vmlinuz-xen, /boot/inirtd-xen, menu/lst etc ....


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OpenSUSE Install :: Dual Boot Query - Install 11.3 Along Side Distro?

Jul 21, 2010

It would be convenient if i could simply install 11.3 along side my Ubuntu distro. I see yast enables me to reduce my sda1 and create a new partition, (sda3) However it offers to mount sda3 in /usr ? Could you offer me any advice please? My objective is to be able to select which distro from the grub menu.

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Ubuntu Installation :: Install Karmic Xen DomU On Etch Dom0 Via Debootstrap?

Mar 10, 2010

I have an etch-based Xen server that has several Xen domU's on it. All the domU's are etch or lenny based, but I'd like to install a karmic guest. I use xen-tools to install my domU's - e.g., xen-create-image --debootstrap <etc.>After much googling, I've found bits and pieces of info that have gotten me closer to the goal, but the debootstrap script I have is for hoary (I think etch came with this), and I'm pretty sure this won't work.

If you have been able to successfully install a Karmic guest on an etch or lenny host, I'd be very grateful for pointers.

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Installation :: Can't Install Any Distro But OpenSuSE And Mandriva

Oct 15, 2010

Basically I have been completely unable to install any distro bar those 2 (OpenSuSE 11.2 and Mandriva can't remember what version).

I tried Ubuntu lucid lynx and Maverick Meerkat, Mint 8 (helena) and 9 (isadora), fedora 12 and 13 and (I know that's not linux but meh).

When attempting to install Ubuntu and Mint I get the fabled errno 5 error. I have tried using 4 different optical drives, I burnt it at slowest possible speed I even used a usb to boot it and still somehow copped the errno 5 error (which is somewhat humorous when it tells me to make sure my cd/dvd drive is ok and i'm using a usb stick) I tried it on 2 different HDD's (both in this computer) 1 a 40gb the other a 1TB. I tried using sony DVD's, Verbatim DVD's and TDK DVD's I even tried using Verbatim Cd's.

When I attempt to install Fedora I get a (sorry as I can not remember the exact error message) cannot copy image from live cd error (or something along those lines) at around 54%.

With windows (again I know it's not linux but it might give some insight into what is actually going on) I get a blue screen of death before first boot EVERY SINGLE TIME and then it just continues to happen, this was on xp and 7.

My only idea I have as to what is happening is that my computer hates me and just likes driving me up the wall for kicks.

Lastly and ever so slightly off topic, if I manage to get another distro to install how do I stop it from killing my bootloader and how do I make that OS appear in my current bootloader.

Specs are as follows:

MOBO: Asus M4A87TD/USB3 CPU: AMD Athlon II x2 245 GPU: Radeon HD5770 RAM: Corsair VS2GB1333D3 2GB (1333MHz) DDR3 RAM, Non ECC Unbuffered, 9-9-9-24, 1.5V PSU: 600 watt shark HDD: West Gate 1TB 7200RPM SATA2 OS: OpenSuSE 11.2 32BIT

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OpenSUSE Install :: Create A Live Multi-distro Usb?

Oct 12, 2010

I'd like to put both the 32-bit and 64-bit OSS 11.3 onto a 2GB usb stick from their respective Live CD ISOs. I tried to make a partitions on the usb ( 1GB ) each, and then dd each ISO to separate partitions, make 1 of the partition bootable. But that doesn't work, even from the bootable partition. Any suggestions how to achieve that goal? Ideally there would be a main boot loader, which then provides option to boot each of the distro.

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OpenSUSE Install :: Surprised By Size Of Distro Iso Download

May 15, 2011

I'm considering moving to openSUSE but am surprised that the installation iso file is 4.7GB. Why so large please? Other Linux distros such as Ubuntu and Fedora are much smaller being less that 1GB.

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OpenSUSE Install :: Custom SuSE Distro And Yast/control.xml?

Dec 8, 2009

As a Fan of openSuSE on the Desktop i'm about to create the version 2.0 of our local LUGS munotLinux distribution which should be localized for switzerland and contain a lot of additional software.

For this case I tried to modify the control.xml file in the root image for yast to hide the dialogs for language/keyboard layout, location and deskop choice (it will be a kde based distro). I can set the language, keyboard and location defaults correctly, but I couldn't get any success in disabling the regarding dialogs yet. And after all googeling and reading the available documentation I can't find a hint about the correct way to modify the control.xml this way.

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OpenSUSE Install :: Make A Distro For Laptop In The Living Room?

Apr 7, 2010

Im kind a new to open suse, though I think its a very nice alternative to the ordinary Linux distroes.Recently I tried to make a distro for my laptop in the living room, -the only thing its supposed to do is play music, and be able to connect to the internet from time to time. However, I must have forgotten some packages or something, cause when I booted the engine after installing,-(wich btw went smooth:-)) -I cannot play any music, -getting some fail message. -Now iVE installed all the g-streamer packages and the totem player, what else do I need ???. -Have been looking through the packages, but I dont seem to find any other packages related that i think i shound use...

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OpenSUSE Install :: Changing Distro - Moving My Home Folder ?

Jun 29, 2010

From what I have understood, trying out different Linux distros is one of those things that a Linux user just needs to do now and again.

So what is the "best" way of keeping your home folder intact? Should I just copy the whole home folder to a separate storage space, install a new distro (I'm thinking going from Ubuntu to Suse) and then just past it in the newly installed distro? Or are there some other, more "refined" methods?

I thought one's home folder contains a lot of config and settings files, but they would surely just be applicable to the original distro!?

I know I can try out several distros via live CDs, which I have done, but when you've taken that next step and actually want to install another distro as your main Linux operating system.

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OpenSUSE Network :: 11.2 Xen Bridged Networking - Setup Multiple DomU Through The Default Bridge Setup

Feb 4, 2010

Im trying to setup multiple domU through the default bridge setup. I am able to access only one of them through the network at a time. If you ping one of the domU it works perfectly but you cannot ping any of the others until you stop pinging the one and even then it takes a bit before you can. Ive looked around for a while and seen similar problems but nothing ever seems quite the same. Im probably missing something really stupid. Or is this the way the bridge is supposed to behave? Do i need to use a routed virtual network?


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CentOS 5 :: Install DomU 5.3 64bit On 5.4 64bit

Mar 5, 2010

I did a full install on 5.4 64bit. the installation aborted with the following errors:

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CentOS 5 :: Can't Get Framebuffer On DomU

Mar 28, 2009

I installed Centos5.2 and have created 1 instance so far. It all works great, but when I created the new instance (using command line from ssh and "virt-install") it gave a message saying probing for video, not found, assuming headless and on I went with the install.

But now I have need for a framebuffer because I have a JBOSS/Java Captcha routine which throws an error if it can't use the X11 libraries or some such (I've resolved this before on a headless Amazon instance once by just running "Xorg"). But I can't run Xorg on my DomU because it can't find the fb device!

So, I searched around and did a makedev -d /dev/fb to create it, but it still doesn't work, because, I assume, the hardware isn't found anywhere. So... how do I get Xorg to work in this case? Or do I need to re-do the virt install and somehow force it to find video hardware (but how?)

Here is some salient output:

root@virty{/etc/X11}: uname -a
Linux virty 2.6.18-92.1.22.el5xen #1 SMP Tue Dec 16 12:26:32 EST 2008 x86_64 x86_64 x86_64 GNU/Linux
root@domU{/etc/X11}: uname -a


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CentOS 5 :: Grub On DOMU Will Not See Any Drives

Apr 25, 2009

I have a problem with a VM running Centos 5.3 on a Centos 5.2 hypervisor. Any kernel install makes the system unbootable and I have to copy an old /boot directory to get it to boot again. After some investigation I found that grub was always failing. These are the partitions I have. xvda is the OS virtual drive. xvda1 is the /boot partitition and xvda2 is the LVM partition. A standard default install.

cat /proc/partitions
major minor #blocks name
202 0 14648448 xvda
202 1 104391 xvda1
202 2 14538825 xvda2
202 16 195313152 xvdb
202 17 195310206 xvdb1
253 0 11337728 dm-0
253 1 2031616 dm-1
253 2 190840832 dm-2

Apparently, this file could be suspect. But it seems to be OK according to what I have read.
cat /boot/grub/
# this device map was generated by anaconda
(hd0) /dev/xvda

If I try to re-install grub I get...
Attempt 1)
grub-install hd0
/dev/xvda1 does not have any corresponding BIOS drive.

Attempt 2)
grub-install /dev/xvda
expr: non-numeric argument
/dev/xvda1 does not have any corresponding BIOS drive.

Attempt 3)
grub-install --recheck hd0
Probing devices to guess BIOS drives. This may take a long time.
No suitable drive was found in the generated device map.
Reverting to backed up copy.

Attempt 4)
grub-install --recheck /dev/xvda
Probing devices to guess BIOS drives. This may take a long time.
No suitable drive was found in the generated device map.
Reverting to backed up copy.

Attempt 5)
Probing devices to guess BIOS drives. This may take a long time.

GNU GRUB version 0.97 (640K lower / 3072K upper memory)
[Minimal BASH-like line editing is supported. For the first word, TAB lists possible command completions. Anywhere else TAB lists the possible completions of a device/filename.]
grub> root (hd0,0)
root (hd0,0)
Error 21: Selected disk does not exist

This is my grub.conf file...
# grub.conf generated by anaconda
# Note that you do not have to rerun grub after making changes to this file
# NOTICE: You have a /boot partition. This means that all kernel and initrd paths are relative to /boot/, e.g.
# root (hd0,0)
# kernel /vmlinuz-version ro root=/dev/VolGroup00/LogVol00
# initrd /initrd-version.img
title CentOS (2.6.18-128.1.6.el5xen)
root (hd0,0)
kernel /vmlinuz-2.6.18-128.1.6.el5xen ro root=/dev/VolGroup00/LogVol00
initrd /initrd-2.6.18-128.1.6.el5xen.img

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Debian Configuration :: DomU Freezes With Task

Apr 7, 2016

We have several systems (DELL-Server PowerEdgde) installed with Debian Jessie 8.4 (physical server and VM) and if the server has big Disk I/O (copy, backup with Backup Exec) the VMs freeze.

Console output:
[168960.072192] INFO: task jbd2/xvda2-8:139 blocked for more than 120 seconds.
[168960.072209] Not tainted 3.16.0-4-amd64 #1
[168960.072213] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[168960.072220] jbd2/xvda2-8 D ffff8803e72946e8 0 139 2 0x00000000


The system installed: Linux version 3.16.0-4-amd64 ( (gcc version 4.8.4 (Debian 4.8.4-1) ) #1 SMP Debian 3.16.7-ckt25-1 (2016-03-06)

I installed Jessie with ext4 and ext3, same error!

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Software :: Xen - Effect Of DomU Settings Change

Dec 1, 2008

I go Xen on my home server: If I set some settings differently in two seperate guest os, say hdparm settings (Guest1=UDMA4, Guest2=UDMA5), how will xen deal with that ? (given that both are on same physical drive).

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SUSE / Novell :: 11.2 DomU Creation On Lvm Fails

Feb 8, 2010

I got this setup:

- Asus M2N32, Athlon X2, 4G Ram, Raid 5
- dom0 on lvm, boots always
- tried to create a domU using dirinstall
- creating a volume lamp in group VGsys with 5G and ext4
- mount /dev/VGsys/lamp /var/tmp/dirinstall
- yast dirinstall: fails when calling dirinstall_finish
- tried to create a domU using vm-install
- creating a volume lamp2 in group VGsys with 5G and ext4
- vm-install fails too
- tried to make an image on susestudio, successfully, but that does not boot, failing when trying to mount the rood partition
- copied the dom0 image to a domU disk

None of these domU booted sucessfully, all of them showed the following messages:

- kernels used and kotd give same results

I am told to disable scsi subsystem in the kernel, I have compiled a kernel before, but

1) I cannot believe I am the only one having this issue or I miss something truely obvious (then what do I miss, please?)

2) dirinstall and vm-install worked in 11.1, there were issues, but recoverable, why now not in 11.2?

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General :: Distro - Nominate A Disastrous Distro From Past Or Present

Jan 9, 2010

nominate a disastrous distro from past or present that was simply AWFUL and what exactly was so bad about it?

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Debian Installation :: Xen Paravirt DomU In Squeeze Beta 1

Dec 15, 2010

I am trying to install a paravirtualised SLES10 domU in a Squeeze beta 1 dom0. But the Sles distro does not exist in the list in /usr/lib/xen-tools when I run the xen-create-image command. is there a general name to use ?

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Debian Configuration :: Cron Jobs Not Running On XEN DomU

Aug 16, 2010

I have a XEN DomU VM running Lenny and set up using debootstrap. I also have the TimeWentBackwards issue sorted using: [URL]. The problem is that my cron jobs just don't run. I've set up a cron job that simply echoes a date string to a file as a tester but it's not running. I've tried it under the root crontab, in /etc/crontab and set up in /etc/cron.daily. Is there something I'm missing?

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CentOS 5 Networking :: DomU Virbr0 Can't Access Internet?

Feb 1, 2009

I'm running a CentOS 5.2 on dom0 and two CentOS 5.2 on domU.The domU use virbr0.I install domU via GUI interface and did not change anything ... the domUcan ping and connect to dom0 but can't access to Internet !!I search google and find someone mentioned that I need to enable IP forwardin dom0 ... I did but my domU still can't access to Internet.What else I need to do ?The routing table of dom0 is:

# route -n
Kernel IP routing table
Destination Gateway Genmask Flags Metric Ref Use Iface


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CentOS 5 Server :: Xen Run Existing Vista Partition In DomU

Oct 8, 2009

I have CentOS 5.3 dual booting with Vista on a machine with AMD-V support. I'm looking to get my existing Vista partition running as a DomU Xen machine. Can this be done without having a dedicated video card?I've got a Xen kernel (from the repositories) installed and running perfectly with my nVidia graphics card. I tried to set up a new DomU through virt-manager and set it up as Vista, pointed it at the physical partition (fakeRAID mapper device) and gave it 2Gb RAM (I have 8Gb total). I got it to do a PXE network boot, knowing that this would fail and therefore no installation would be attempted, as no installation is needed.

This worked well in that the initial PXE boot failed and the machine shut down. When I start it now it seems to actually boot Vista, but I just can't see it! It goes as far as saying "Booting from Hard Disk..." in the viewer window and then doesn't update, although the disk activity and CPU usage are very similar to a machine booting Vista to the login prompt.

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Networking :: Why Doesn't Distro 9.0 Setup Work For 13.1 Distro?

Sep 6, 2010

I have a linux box set up as a multi-purpose server for my home with three Windows client PC's. The linux box is based on a slightly modified Slackware 9.0 distribution using Linux 2.4.20 and an unfortinately old, slow AMD processor with a miserable 512Kb RAM. The linux box serves the CIFS file system to the Windows boxes, runs the SQUID HTTP proxy, the Apache web server, a print server, does masquerading, mail serving and a very effective firewall using iptables.

This system, although slow, has run perfectly for several years.Let me say that again - This system works perfectly.I had decided that now is the time to upgrade the hardware, so I bought a Gigabyte LGA775 motherboard which has two 1Gb network interfaces on it, an ASUS 256Mb PCI-E display card, 2Gb of DDR3 RAM, an Intel Core2-Quad processor and a bunch of 500Gb SATA drives to set up a RAID5 array (but I intend that the system boot off one of several 40Gb PATA drives I have).I set up the processor, motherboard, display card, RAM, a SATA DVD Drive and a 40Gb PATA hard disk in a "breadboard" layout and installed distro 13.1, being careful to set up the static IP for the local network, dhcpcd to get an IP address from the cable modem (my internet connection) and to enable ip_forward in the network configuration.

Then I installed a script invoked by /etc/rc.d/rc.local which installed all the SAME iptables rules as my old Linux box. There was one minor glitch when I had to change 8 occurrences of "-d ! $LOCAL_NET to" "! --destination $LOCAL_NET" but that was no problem. I also set up /etc/resolv.conf, /etc/hosts , the BIND server files etc. etc. exactly as in the old box.

I am able to ping (this is at the heart of Australia's internet hub network - if it's down the whole bloody thing is down) and have the system find the correct IP from the designated nameservers and contact that server with a return trip time of 35ms. I am able to run a telnet session from one of the Windows boxes and edit files on the Linux server. So both network interfaces work and I've got them the right way around.I am able to run FTP on one of the Windows boxes and connect through to, although it seems to hang when I try a DIR (but then so does the old linux system).

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Debian Configuration :: Xen4 On Squeeze - Slow Mysql In DomU

Oct 23, 2010

I have a mysql server in guest domU on debian squeeze. when i create test table and do INSERT INTO test (name, value) VALUES(RAND(), RAND()); Query OK, 1 row affected (0.28 sec)

At other physical server with same configuration Query OK, 1 row affected (0.00 sec)

I try this several time but on physical server max value never get over 0.05sec and on VM lowest value was 0.13sec.

Another tests:

On physical server:

OLTP test statistics:

Threads fairness:

on VM:

OLTP test statistics:

Threads fairness:

performance of disk write speed on VM is much better then on physical server .

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General :: Way To Boot A DomU Also From The Grub (if It Is Installed In A Disk Image)?

Mar 25, 2010

I wanna know how to boot a xen from grub2 ? and is there a way to boot a domU also from the grub (if it is installed in a disk image ex :- disk.img)

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Debian Installation :: Xen Domu Creation With Nfs Static Address Boots On Dhcp

Dec 11, 2014

I am create Xen virtual machines.

I created a domu.cfg file with:

xen-create-nfs --ip --broadcast --gateway --netmask --nameserver --initrd /boot/initrd.img-3.18.0 --kernel /boot/vmlinuz-3.18.0 --memory 4096M --mac 00:16:3e:01:01:01 --nfs_server myserver --nfs_root /var/exports/myhost --hostname myhost

I initialized it with:

xt-install-image --cache yes --dist wheezy --apt_proxy --mirror --location /var/exports/myhost

Then I started the domu with:

xl create /etc/xen/domu.cfg -c

And I receive this message telling me dhcp is used as I specified static ip:

IP-Config: eth0 hardware address 00:16:3e:01:01:01 mtu 1500 DHCP RARP

What can I do to desactivate the dhcp client?

remark: I used this equivalent former configuration with qemu-kvm and I booted with static ip without any problem.

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Security :: Access Dom0 Files During Vsftpd Server From DomU During Ftp Client

Aug 24, 2010

I have CentOS 5.5 distribution with Dom0 and DomU installed. I try to access Dom0 files during vsftpd server from DomU during ftp client. I successfully login with root and simple user, but when I try to list (or cd to some directory) in user home the SELinux prevent it from me. I get this in audit.log:


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Ubuntu :: Ram - Can't Install Any Distro

Oct 19, 2010

my names IAN I'm a Ubuntu and Debian user i have a hp desktop I'm working on P4 2.6ghz 2gigs DDR333 80gig wester digital Nvidia Geforce 7600gs 350watt P/supply in a BIG OLD custom asus case plus LED fans so no overheating issues =) [URL] i have tried and failed to install pretty much everything in my dvd case Ubuntu 10.04+10.1 and Mint both Debian and Deb-net install fedora 13 openSUSE 10 nothing worked ALL RANDOMLY crash or freeze during the file transfer/installation and i mean RANDOM i have been unable to produce the same results twice.

i did as expected i searched Google and trouble shooted and all i can think of is bad ram so i ran memtest86 by pass 5 i had over 1000 errors have i found my bottle neck?? is it common to have so many that errors with the ram test Windows 7 seems to be the only thing that will load wye will shitty windows install and run fine NO lag when i cant get anything thing else passed a file transfer?? oh and has a new hard drive/thats not the issue. i first posted this in the Debian forums but after failing to get Ubuntu to run either i came to the friendly local forum

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