Proxmox VE shell commands to create Debian 13 cloud-init ready VM template and deploy a VM with the template and cloud-init settings.
Ville Alatalo 2025 https://github.com/alatalo
| # 1_customize_cloudimage.sh | |
| # | |
| # Fetch Debian 13 generic cloudimage and customize it to our needs | |
| # (add qemu-guest-agent, nano, htop, tmux, curl, wget) | |
| # | |
| # create working directory | |
| mkdir -p /root/debian-cloudinit | |
| cd /root/debian-cloudinit | |
| # install required tooling | |
| apt install libguestfs-tools -y | |
| # get the debian 13 generic cloud image from https://cloud.debian.org/images/cloud/ | |
| wget https://cloud.debian.org/images/cloud/trixie/latest/debian-13-genericcloud-amd64.qcow2 | |
| # or alternatively, get the generic image | |
| #wget https://cloud.debian.org/images/cloud/trixie/latest/debian-13-generic-amd64.qcow2 | |
| # pre-install selected packages | |
| virt-customize -a debian-13-genericcloud-amd64.qcow2 --install qemu-guest-agent,nano,htop,tmux,curl,wget | |
| # reset machine id to avoid duplicates in clones | |
| virt-customize -a debian-13-genericcloud-amd64.qcow2 --truncate /etc/machine-id | |
| # shrink the image to save space | |
| qemu-img convert -O qcow2 -c -o preallocation=off debian-13-genericcloud-amd64.qcow2 debian-13-genericcloud-amd64-shrink.qcow2 | |
| # get image infos to see the differences | |
| qemu-img info debian-13-genericcloud-amd64.qcow2 | |
| qemu-img info debian-13-genericcloud-amd64-shrink.qcow2 |
| # 2_create_vm_template.sh | |
| # | |
| # Create a VM template | |
| # vmid 9100 named Debian13-cloudinit-ready, | |
| # 1 cpu core, 1GB memory and Start at boot + Qemu guest agent enabled | |
| # | |
| # replace 9100 with your desired template vmid | |
| # replace "local-lvm" with your storage name (local-lvm, local-zfs, nfs-storage, etc) | |
| # | |
| qm create 9100 --name "Debian13-cloudinit-template" --cores 1 --memory 1024 --net0 virtio,bridge=vmbr0 | |
| qm importdisk 9100 debian-13-genericcloud-amd64-shrink.qcow2 local-lvm | |
| qm set 9100 --description "Debian 13 cloud-init ready template" | |
| qm set 9100 --ostype l26 | |
| qm set 9100 --scsihw virtio-scsi-pci --scsi0 local-lvm:vm-9100-disk-0,ssd=1 | |
| qm set 9100 --boot c --bootdisk scsi0 | |
| qm set 9100 --ide2 local-lvm:cloudinit | |
| qm set 9100 --agent enabled=1 | |
| qm set 9100 --onboot 1 | |
| qm template 9100 |
| # 3_deploy_vm.sh | |
| # | |
| # Create a new VM using the template | |
| # named deb13-foo, with 8GB extra disk, dhcp ip, | |
| # cloud-init user + password and ssh key | |
| # | |
| # you can also create vm from the gui using the template (clone > full) and configure | |
| # cloud-init options there | |
| # | |
| qm clone 9100 601 --name deb13-foo --full | |
| qm resize 601 scsi0 +8G | |
| qm set 601 --ipconfig0 ip=dhcp | |
| #qm set 601 --ciuser pveadmin --cipassword hunter2 | |
| # if you omit user/pass, then user: debian, sshkey: | |
| qm set 601 --sshkey <(echo "ssh-ed25519 AAAAf00b4r") | |
| qm start 601 | |
| # add vm to high availability (ha) cluster | |
| ha-manager add 601 --max_restart 1 --max_relocate 1 | |
| # add replication job (VMID 601, job 0, node pve1, every 5mins, max 10Mbps) | |
| pvesr create-local-job 601-0 pve1 --schedule "*/5" --rate 10 | |
| # adjust memory and cpu | |
| #qm set 601 --memory 4096 --cores 4 | |
| # use static ip assignment | |
| #qm set 601 --ipconfig0 ip=10.0.10.58/24,gw=10.0.10.1 | |
| # use tagged vlan 40 nic | |
| #qm set 601 -net0 "virtio,bridge=vmbr0,tag=40" | |
| # use serial console | |
| #qm set 601 --serial0 socket --vga serial0 |