[one-users] Not able to access running Ubuntu vm

[Jaime Melis]

Hi Amit,

take a look at this [1] post, it might help you out with running Ubuntu
10.10. Although I have described the process for Ubuntu 10.04 it should work
with Ubuntu 10.10.

[1]
http://lists.opennebula.org/pipermail/users-opennebula.org/2011-April/004893.html

Cheers,
Jaime

On Fri, Apr 15, 2011 at 12:52 PM, Amit Soni <get.amitsoni at gmail.com> wrote:

> Hello,
>
> I made this img file using the following commands:
>
> qemu-img create -f qcow2 vdisk.img 10G
> qemu-system-x86_64 -hda vdisk.img -cdrom /path/to/ubuntu-server.iso
> -boot d  -m 384
> mv vdisk.img ubuntu-1010-server-network-init.img
>
> So, I am pretty sure it's qcow2 format.
>
> Also, I tried to convert the img file to the raw format using the
> following command but still I got the same blank screen:
>
> qemu-img convert -O raw ubuntu-1010-server-network-init.img
> ubuntu-1010-server-network-init.raw
>
> So I am still not able to run ubuntu VM in opennebula. I would be
> great if there are some sort of standard contextualized images of
> standard linux distros available for usage.
>
> Amit
>
> On Fri, Apr 15, 2011 at 1:26 PM, Olivier Sallou <olivier.sallou at irisa.fr>
> wrote:
> > your source file is
> >
> > ubuntu-1010-server-network-init.img
> >
> > with img extension are you sure it is a qcow2?
> >
> > Olivier
> > Le 4/15/11 12:13 PM, Amit Soni a écrit :
> >> Hello,
> >>
> >> There is some interesting progress. I was able to connect to the vnc
> >> session of the machine. I found the following output:
> >>
> >> Booting from Hard Disk ...
> >> Boot failed: not a bootable disk
> >>
> >> No bootable device.
> >>
> >> Apparently, the format of the IMG file is qcow2 and I didn't mentioned
> >> that format in the VM template. Hence, I did the following changes in
> >> the VM template as mentioned in the link
> >> https://support.opennebula.pro/entries/348847-using-qcow-images:
> >>
> >> DISK   = [
> >>   source   =
> "/srv/cloud/images/ubuntu/ubuntu-1010-server-network-init.img",
> >>   target   = "hda",
> >>   readonly = "no",
> >>   DRIVER=qcow2
> >> ]
> >>
> >> However, now when I access the VM from the vnc session I see blank
> >> screen (not a single character on the screen). The VM is still in the
> >> "runn" state.
> >> Now I am really confused what could have went wrong.
> >>
> >> --Amit
> >>
> >>
> >> 2011/4/14 Amit Soni <get.amitsoni at gmail.com>:
> >>> Hello,
> >>>
> >>> I was trying the same thing using following parameters in the template
> file:
> >>>
> >>> RAW = [ type = "kvm",
> >>>              data = "<devices><serial type=\"pty\"><source
> >>> path=\"/dev/pts/5\"/><target port=\"0\"/></serial><console type=\"pty\"
> >>> tty=\"/dev/pts/5\"><source path=\"/dev/pts/5\"/><target
> >>> port=\"0\"/></console></devices>" ]
> >>>
> >>> However, when I accessed the machine using the virsh console I got the
> >>> following output after which it just froze. I hit "enter" many time
> >>> but no response. Although I was able to get out of the console:
> >>>
> >>> virsh # console one-13
> >>> Connected to domain one-13
> >>> Escape character is ^]
> >>>
> >>> I read somewhere that this can be because I have not enabled the VM to
> >>> be accessed from serial console so then I followed the following guide
> >>> to make some modification in the VM:
> >>>
> >>> https://help.ubuntu.com/community/SerialConsoleHowto
> >>>
> >>> However, after making the changes when I boot the VM using the "qemu"
> >>> command I just  see the some output like follows:
> >>>
> >>> fsck from util-linux-ng 2.17.2
> >>> /dev/sda1: clean ... files, ... blocks
> >>>  * Starting AppArmor profiles
> >>>
> >>> And that's it. After this there is no response from the VM. However, I
> >>> am able to ssh into the VM (since I have started it from qemu
> >>> command).
> >>>
> >>> But the important thing is, even after these changes for enabling
> >>> serial console in the VM and starting the VM from the opennebula with
> >>> the above mentioned RAW parameters, I get the same result. It get the
> >>> same output upon accessing the console and after that it just freezes.
> >>>
> >>> Could see any mistake that I might be making.
> >>>
> >>> Thanks & Regards,
> >>> Amit
> >>>
> >>>
> >>> 2011/4/14 Idafen Santana Pérez <idafensp at gmail.com>:
> >>>> Hi Zeeshan,
> >>>>
> >>>> how do you access a running VM?
> >>>>
> >>>> Regards
> >>>> Idafen
> >>>>
> >>>> On Thu, Apr 14, 2011 at 6:13 PM, Zeeshan Ali Shah <zashah at pdc.kth.se>
> wrote:
> >>>>> Manually Console to the running VM to see what went wrong ..
> >>>>>
> >>>>> /Zeeshan
> >>>>>
> >>>>> On Thu, Apr 14, 2011 at 5:40 PM, Amit Soni <get.amitsoni at gmail.com>
> wrote:
> >>>>>> Hello,
> >>>>>>
> >>>>>> I manually created a Ubuntu IMG by installing the Ubuntu 10.10
> server
> >>>>>> ISO using qemu command as follows:
> >>>>>>
> >>>>>> qemu-img create -f qcow2 vdisk.img 10G
> >>>>>> qemu-system-x86_64 -hda vdisk.img -cdrom /path/to/ubuntu-server.iso
> >>>>>> -boot d  -m 384
> >>>>>>
> >>>>>> Then I added the network contextualisation scripts as mentioned in
> the
> >>>>>> first section of the article:
> >>>>>> http://opennebula.org/documentation:archives:rel2.0:cong
> >>>>>> But I did one change; I added the execution of the "vmcontext"
> script
> >>>>>> in the "/etc/init.d/networking" script since adding the "vmcontext"
> >>>>>> script in the runlevel 2 didn't helped.
> >>>>>>
> >>>>>> Now when I start the installed Ubuntu IMG using the following
> command,
> >>>>>> I get the desired IP in the machine. I am also able to SSH to the
> >>>>>> machine:
> >>>>>>
> >>>>>> qemu-system-x86_64 -hda ubuntu-server.img  -net
> >>>>>> nic,macaddr=02:00:c0:a8:02:08 -net tap
> >>>>>>
> >>>>>> However, when I use this IMG in the opennebula template file the
> >>>>>> machine goes in the "runn" state but I am not able to access the
> >>>>>> machine. My template file is as follows:
> >>>>>>
> >>>>>> NAME   = ubuntu
> >>>>>> CPU    = 1
> >>>>>> MEMORY = 400
> >>>>>>
> >>>>>> DISK   = [
> >>>>>>  source   = "/srv/cloud/images/ubuntu/ubuntu-server.img",
> >>>>>>  target   = "hda",
> >>>>>>  readonly = "no" ]
> >>>>>>
> >>>>>> NIC    = [ NETWORK = "VM_LAN" ]
> >>>>>>
> >>>>>> FEATURES=[ acpi="no" ]
> >>>>>>
> >>>>>> Moreover, when I start the standard ttylinux IMG in am easily able
> to
> >>>>>> SSH to the machine.
> >>>>>> Can anyone guide me to some standard documentation of how to create
> a
> >>>>>> IMG for opennebula starting from an ISO.
> >>>>>>
> >>>>>> Thanks & Regards,
> >>>>>> Amit Soni
> >>>>>> _______________________________________________
> >>>>>> Users mailing list
> >>>>>> Users at lists.opennebula.org
> >>>>>> http://lists.opennebula.org/listinfo.cgi/users-opennebula.org
> >>>>>
> >>>>>
> >>>>> --
> >>>>>
> >>>>> --
> >>>>> Regards
> >>>>>
> >>>>> Zeeshan Ali Shah
> >>>>> System Administrator
> >>>>> PDC-Center for High Performance Computing
> >>>>> KTH-Royal Institute of Technology , Sweden
> >>>>>
> >>>>> +46 8 790 9115
> >>>>>
> >>>>> _______________________________________________
> >>>>> Users mailing list
> >>>>> Users at lists.opennebula.org
> >>>>> http://lists.opennebula.org/listinfo.cgi/users-opennebula.org
> >>>>>
> >>>>>
> >>>
> >>>
> >>> --
> >>> Amit Soni
> >>> Email-id: get.amitsoni at gmail.com, get.amitsoni at hotmail.com
> >>>
> >>
> >>
> >
> > --
> > gpg key id: 4096R/326D8438  (pgp.mit.edu)
> > Key fingerprint = 5FB4 6F83 D3B9 5204 6335  D26D 78DC 68DB 326D 8438
> >
> >
> > _______________________________________________
> > Users mailing list
> > Users at lists.opennebula.org
> > http://lists.opennebula.org/listinfo.cgi/users-opennebula.org
> >
>
>
>
> --
> Amit Soni
> Email-id: get.amitsoni at gmail.com, get.amitsoni at hotmail.com
> _______________________________________________
> Users mailing list
> Users at lists.opennebula.org
> http://lists.opennebula.org/listinfo.cgi/users-opennebula.org
>
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