Re: [one-users] Creating images how to

Tue, 12 Nov 2013 09:15:45 -0800

thanks guys,

I will try both way. 

basically i'm looking similar to vmware export feature than I can use as ovf template once I hv done the necessary configuration on my image.

hi sharuz,

nice to meet u here. i'm ok to have TTS. :)
will be at cyberjaya tomorrow (thurs) after 5pm. we can meet at any mamak.

Sent from my BlackBerry z10.
From: Sharuzzaman Ahmat Raslan
Sent: Wednesday, 13 November 2013 00:27
To: Martin Alfke
Cc: Amier Anis; users
Subject: Re: [one-users] Creating images how to

Hi all,

Alternative to Martin's way:

Launch virt-manager on any Linux system (you can install virt-manager on CentOS)

In the virt-manager, create a new VM, customize the disk size, select the CentOS installer ISO image, and start performing the installation.

Note where you save the virtual disk for this VM.

Once installation finish, you will have a fully installed VM. You will use this virtual disk (usually qcow format) and upload it into Opennebula. This is your gold image.

After that, you need to configure your VM template in Opennebula. Here you need to define your NIC, memory, and point the disk information to your gold image that you have uploaded. You need to know if you are using persistence or non-persistence. Persistence will modify your gold image. Non-persistence will create a clone of your gold image, and changes will be written to that clone. That depends on your Opennebula storage architecture too.

Amier, I'm Malaysian, and working in Cyberjaya.

If you want, maybe we can have a face-to-face knowledge sharing session, so that we can discuss this further.

Thanks.













On Fri, Nov 8, 2013 at 6:09 PM, Martin Alfke <[email protected]> wrote:
Hi Amier,

we create Images in the following way:

1. create qcow2 disk:
qemu-img create -f qcow2 base_centos.img 10G

2. fetch installer image:
wget <centos mirror>/centos6/6/os/x86_64/images/install.img

3. install image:
qemu-system-x86_46 -m 4096 -hda centos_base.img -cdrom install.img -boot d

4. post install vm preparation:
qemu-system-x86_46 -m 4096 -hda centos_base.img

Within image:
install acpid (needed to reboot/shutdown vm from open nebula management node)
install one-context package

5. upload image to opennebula
attn: do not use sunstone for large images copied over network.
copy image to open nebula management host (scp,..) and use local directory and image name.

hth,

Martin


On 07 Nov 2013, at 18:21, Amier Anis <[email protected]> wrote:

> Dear Guys,
>
> I'm still new with opennebula. I would like to know how to create images for my 100 vm using centos 6.4. In the images i need to install a few component and add a few users.
>
> any ideas?
>
> Thanks you.
>
> Regards & Best Wishes,
>
>
> .: Amier Anis :.
> Mobile: +6012-260-0819
>
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Sharuzzaman Ahmat Raslan 

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