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- ---
- type: docs
- title: "Customize .qcow2 image"
- ---
-
- Tired of Debian Installer ):
-
- On Proxmox VE i had to go through the Debian Installer if i want to spin up a new VM,taking a lot of time and effort.
-
- 1. Download the .qcow2 image from cloud.debian.org
-
- https://cloud.debian.org/images/cloud/bookworm/20230910-1499/debian-12-genericcloud-amd64-20230910-1499.qcow2 ,this is a generic cloud image which can be easily imported onto proxmox.
-
- 2. Reset the root password on the disk image
-
- ```$ virt-customize -a debian-10-genericcloud-amd64.qcow2 --root-password password:debian```
-
- By default the .qcow2 doesn't have any root password,so the disk image has be customized using virt-customize to add root password.
-
- 3. Increase size of .qcow2 disk image.
- By default the size of Debian Generic Cloud is 2GB, using qemu-img we can resize the disk image.
-
- ```
- qemu-img resize image.qcow2 +SIZE
- ```
-
- 4. Import the disk image on Proxmox VE.
-
- Copy the image to ```/var/lib/vz/template/qemu/```.
- Create a VM on Proxmox VE without any media (do not attach any physical media) and delete any existing disk on proxmox.
-
- ```
- qm importdisk 114 /var/lib/vz/template/qemu/debian-12-genericcloud-amd64-20230910-1499.qcow2 amogha -format qcow2
- ```
-
- Execute the above ```qm importdisk``` on the proxmox server where ```114```is the VM id where in your case will be different.
- Refreshing the Proxmox GUI on the browser,attach the ```unused Hard Disk``` under ```Hardware```, also add a cloudInit drive and set ```IP address to dhcp``` to automatically assign IP address for both IPv4 and IPv6.
-
- Under ```Options``` update the boot order and check whether the hard disk which was added to be checklisted and prioritize it to first.
-
- ```bash
- Another alternative way is to use Preseed file at boot which automates
- debian installer,haven't tried that yet.
-
- :wq #for now
- ```
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