|Subject:||Re: [Qemu-discuss] How to load a host file in the client while not yet installed ?|
|Date:||Sun, 07 Apr 2013 21:34:04 +0200|
|User-agent:||Mozilla/5.0 (Windows NT 5.2; WOW64; rv:17.0) Gecko/20130307 Thunderbird/17.0.4|
On 4/7/2013 12:10 PM, Laurent Alebarde wrote:
Thanks both of you. Yes, the problem is trivial when both machine have the same FS.Actually, I think you misunderstood my methods.
Here is a different explanation of my 1 VM method:
1. Boot the virtual machine from a standard live CD iso of
FreeBSD, this does not require it to be already installed.
2. Use the live CD to copy files from somewhere outside the
VM to the hard drive of the not-fully-installed virtual
machine. For easiest automation, use a live CD that
automatically starts an SSH server with a known password
(use the Linux firewall of the host machine to restrict
access to qemu's virtual network interface for this VM,
so noone can SSH in from the Internet).
3. Shut down and proceed normally.
Here is a different explanation of my 2 VM method:
My method effectively involves 3 machines:
No 0 ("Host"), the machine that runs qemu (I understand it is a
Linux machine in your case) and cannot access the relevant FS
(ufs in your case).
No. 1 ("Target Guest") The virtual machine that owns the virtual
disk and uses a non-Linux file system (in your case a FreeBSD
machine using ufs)
No. 2 ("Temporary Guest") A brand new throw away virtual machine,
created just for the job of getting the files onto the disk of
No. 1. This would be a "dumb" freeBSD machine whose sole job
is to mount the disk from machine No. 1 so it can put files
If these were physical machines, my method would have worked
(Steps 1 to 3 and 12 to 13 corresponding to virtual machine No. 1)
(Steps 4 to 11 and 14 correspond to virtual machine No. 2)
1. Purchase a new blank hard drive (much cheaper when virtual)
2. Turn off the machine (with hard drive No. 1)
3. Disconnect the No. 1 hard drive
4. Connect the No. 2 hard drive
5. Install a minimal FreeBSD on the No. 2 hard drive
6. Turn off the machine (with hard drive No. 2)
7. Connect the No. 1 hard drive as a "second hard drive"
8. Turn on the machine, booting from the "first hard drive"
(No. 2 hard drive)
9. Use the FreeBSD on the No. 2 hard drive to copy files
from wherever onto the No. 1 hard drive.
10. Turn off the machine (with hard drive No. 2 as boot,
hard drive No. 1 as extra)
11. Disconnect both hard drives
12. Connect the No. 1 hard drive as the "first hard drive"
13. Turn on the machine, now booting from its normal No. 1
14. Pack away that extra No. 2 hard drive, you might not
need it again.
My problem is when MWDF and MTI do not have the same FS and when you cannot setup any client in the MTI since, by definition, it is not yet installed. In this configuration though, we have access to the iso of the Live/Install CD. But I don't want to have to prepare a specific Live/Install CD with the desired files - I need flexibility. I wonder if the MTI, when booted on the Live/Install CD could be configured as an ssh server to transfer the desired files with scp ? Or as an NFS server ?
Enjoy Jakob -- Jakob Bohm, CIO, Partner, WiseMo A/S. http://www.wisemo.com Transformervej 29, 2730 Herlev, Denmark. Direct +45 31 13 16 10 This public discussion message is non-binding and may contain errors. WiseMo - Remote Service Management for PCs, Phones and Embedded
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