Re: [blfs-support] running lfs as guestOS on virtulisation setup

2014-03-09 Thread me
 On Friday 07 March 2014 12:39:31 Pierre Labastie wrote:
 For (ii), you can:
 - copy an existing LFS/BLFS to a virtual disk (using for example
 qemu-img), or
 - use qemu-nbd to see a virtual disk as a system disk, and build to that
 disk
 (you need the nbd kernel module, and the nbd-client utility).


 thanks a lot for this.
 I did not know about qemu-img nor qemu-nbd
 (Indicently do you know of any documentation on these utilities I can read
 ? )

 =
 ps
 I had already managed to install qemu on lfs  which I intend to be  a
 host.

 thanks again.
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Hello,

There is a wiki site available for the use of qemu-img:


http://en.wikibooks.org/wiki/QEMU/Images#Creating_an_image

Regards,

Christopher
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Re: [blfs-support] running lfs as guestOS on virtulisation setup

2014-03-08 Thread lux-integ
On Friday 07 March 2014 12:39:31 Pierre Labastie wrote:
 For (ii), you can:
 - copy an existing LFS/BLFS to a virtual disk (using for example 
 qemu-img), or
 - use qemu-nbd to see a virtual disk as a system disk, and build to that 
 disk
 (you need the nbd kernel module, and the nbd-client utility).


thanks a lot for this.
I did not know about qemu-img nor qemu-nbd
(Indicently do you know of any documentation on these utilities I can read ? )

=
ps
I had already managed to install qemu on lfs  which I intend to be  a  host.

thanks again.
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Re: [blfs-support] running lfs as guestOS on virtulisation setup

2014-03-08 Thread lux-integ
On Friday 07 March 2014 17:07:12 Bruce Dubbs wrote:
 You could probably boot to a live iso and copy files from a LFS/BLFS 
 partition to the virtual disk.  Note that the kernel drivers will be 
 different, so you would need to rebuild the kernel.  Other files such as 
 ifconfig.eth0, hostname, etc would be different, but could be changed 
 after boot.


thanks for the info will give it a whirl sometime
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Re: [blfs-support] running lfs as guestOS on virtulisation setup

2014-03-08 Thread Pierre Labastie
Le 07/03/2014 16:42, lux-integ a écrit :
 I did not know about qemu-img nor qemu-nbd
 (Indicently do you know of any documentation on these utilities I can read ? )
 

The html documentation shipped with qemu,and the man page for qemu-img are
good for qemu-img (I think you need qemu-img convert).

For qemu-nbd. I used:
http://blog.vmsplice.net/2011/02/how-to-access-virtual-machine-image.html
with thesse 2 differences:
- I did not use kpartx
- the command for disconnection is nbd-client -d /dev/nbd0.

Pierre

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Re: [blfs-support] running lfs as guestOS on virtulisation setup

2014-03-07 Thread Pierre Labastie
Le 07/03/2014 10:11, lux-integ a écrit :
 Greetings,

 I have recently been dabbling with 2 virtualiisation programs on linux.  These
 are qemu/kvm ( http://www.qemu.org http://www.linux-kvm.org ) and VirtualBox
 ( http://www.virtualbox.org ).  Both install as host on a typical LFS setup I
 use  ( cpu =amd64, pure 64bit build, kernel-3.10.something )..  Both have
 'menus'  for installing   standard linux 'distros' (i.e. from opticalDisks as
 guest-OS. BUT I want to use lfs/blfs as a guest.  I am spoilt by its stability
 and knowing-where-things-are etc.. Here are some questions.   to which aswers
 and comments to would be welcomed:-

 --Is there a way to install lfs/blfs as guestOS on  typcal virtualisation
 setups using say qemu or virtualBox?
I do not know much about virtualbox, but can give some pointers
about qemu:
I do not know exactly what you mean with the item above: Do you want to:
(i)  build LFS/BLFS in the virtual machine, or
(ii) just have it as a guest OS, after building it on the host machine?

For (i), the best is to install a standard distro on the virtual machine,
then build LFS/BLFS with this distro.

For (ii), you can:
- copy an existing LFS/BLFS to a virtual disk (using for example 
qemu-img), or
- use qemu-nbd to see a virtual disk as a system disk, and build to that 
disk
(you need the nbd kernel module, and the nbd-client utility).
 --is it possible to install the guest blfsOS  first then install the hostOS
 then  somehow containorise the guest  to run   as a user process

I think qemu as a user mode, which does just that. I have not much
played with it.

Regards
Pierre

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Re: [blfs-support] running lfs as guestOS on virtulisation setup

2014-03-07 Thread Bruce Dubbs
lux-integ wrote:
 Greetings,

 I have recently been dabbling with 2 virtualiisation programs on linux.  These
 are qemu/kvm ( http://www.qemu.org http://www.linux-kvm.org ) and VirtualBox
 ( http://www.virtualbox.org ).  Both install as host on a typical LFS setup I
 use  ( cpu =amd64, pure 64bit build, kernel-3.10.something )..  Both have
 'menus'  for installing   standard linux 'distros' (i.e. from opticalDisks as
 guest-OS. BUT I want to use lfs/blfs as a guest.  I am spoilt by its stability
 and knowing-where-things-are etc.. Here are some questions.   to which aswers
 and comments to would be welcomed:-

 --Is there a way to install lfs/blfs as guestOS on  typcal virtualisation
 setups using say qemu or virtualBox?

I've only used qemu as in the book, but you can certainly build LFS there.

 --is it possible to install the guest blfsOS  first then install the hostOS
 then  somehow containorise the guest  to run   as a user process

You could probably boot to a live iso and copy files from a LFS/BLFS 
partition to the virtual disk.  Note that the kernel drivers will be 
different, so you would need to rebuild the kernel.  Other files such as 
ifconfig.eth0, hostname, etc would be different, but could be changed 
after boot.

   -- Bruce
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