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2e4a09 MB Tech 2025-05-25 18:42:24 1 
# Create Template
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## Create a template using Ubuntu Cloud Image and customization script
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### Customization script (`ubuntu.yml`)
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Once the snippets has been added to the local location you can cd to the /var/lib/snippets directory
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```
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cd /var/lib/vz/snippets/
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```
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Next using nano create the ubuntu.yaml file
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```
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nano ubuntu.yaml
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```
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copy and paste the following code
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```yaml
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#cloud-config
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runcmd:
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- apt update
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- apt install -y qemu-guest-agent
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- systemctl enable ssh
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- apt install -y apt-transport-https ca-certificates curl software-properties-common
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- curl -fsSL https://download.docker.com/linux/ubuntu/gpg | gpg --dearmor -o /usr/share/keyrings/docker-archive-keyring.gpg
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- echo "deb [arch=amd64 signed-by=/usr/share/keyrings/docker-archive-keyring.gpg] https://download.docker.com/linux/ubuntu noble stable" | tee /etc/apt/sources.list.d/docker.list > /dev/null
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- apt update
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- apt-cache policy docker-ce
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- apt install -y docker-ce
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- systemctl status docker
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- usermod -aG docker mbtech
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- echo "<username> ALL=(ALL) NOPASSWD:ALL" >> /etc/sudoers
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- mkdir -p ~/.docker/cli-plugins/
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- curl -SL https://github.com/docker/compose/releases/download/v2.36.0/docker-compose-linux-x86_64 -o ~/.docker/cli-plugins/docker-compose
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- chmod +x ~/.docker/cli-plugins/docker-compose
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# Taken from https://forum.proxmox.com/threads/combining-custom-cloud-init-with-auto-generated.59008/page-3#post-428772
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```
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::: info
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# Reminder you need to change the user name for sudoers file:
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```
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echo "<username> ALL=(ALL) NOPASSWD:ALL" >> /etc/sudoers
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```
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:::
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Next need to create the bash script to create the template
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```
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cd ~
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```
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```
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nano create-template.sh
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```
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```bash
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#! /bin/bash
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VMID=<Your ID you would Like to use>
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STORAGE=<Your storage location>
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USER=<your username>
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set -x
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rm -f noble-server-cloudimg-amd64.img
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wget -q https://cloud-images.ubuntu.com/noble/current/noble-server-cloudimg-amd64.img
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qemu-img resize noble-server-cloudimg-amd64.img 8G
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qm destroy $VMID
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qm create $VMID --name "ubuntu-noble-template-5" --ostype l26 \
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--memory 1024 --balloon 0 \
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--agent 1 \
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--bios ovmf --machine q35 --efidisk0 $STORAGE:0,pre-enrolled-keys=0 \
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--cpu host --socket 1 --cores 1 \
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--vga serial0 --serial0 socket \
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--net0 virtio,bridge=vmbr0
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qm importdisk $VMID noble-server-cloudimg-amd64.img $STORAGE
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qm set $VMID --scsihw virtio-scsi-pci --virtio0 $STORAGE:$VMID/vm-$VMID-disk-1.raw,discard=on
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qm set $VMID --boot order=virtio0
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qm set $VMID --scsi1 $STORAGE:cloudinit
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cat << EOF | tee /var/lib/vz/snippets/ubuntu.yaml
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#cloud-config
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runcmd:
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- apt update
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- apt install -y qemu-guest-agent
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- systemctl enable ssh
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- apt install -y apt-transport-https ca-certificates curl software-properties-common
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- curl -fsSL https://download.docker.com/linux/ubuntu/gpg | gpg --dearmor -o /usr/share/keyrings/docker-archive-keyring.gpg
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- echo "deb [arch=$(dpkg --print-architecture) signed-by=/usr/share/keyrings/docker-archive-keyring.gpg] https://download.docker.com/linux/ubuntu noble stable" | tee /etc/apt/sources.list.d/docker.list > /dev/null
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- apt update
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- apt-cache policy docker-ce
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- apt install -y docker-ce
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- systemctl status docker
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- usermod -aG docker mbtech
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- echo "mbtech ALL=(ALL) NOPASSWD:ALL" >> /etc/sudoers
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- mkdir -p ~/.docker/cli-plugins/
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- curl -SL https://github.com/docker/compose/releases/download/v2.36.0/docker-compose-linux-x86_64 -o ~/.docker/cli-plugins/docker-compose
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- chmod +x ~/.docker/cli-plugins/docker-compose
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# Taken from https://forum.proxmox.com/threads/combining-custom-cloud-init-with-auto-generated.59008/page-3#post-428772
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EOF
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qm set $VMID --cicustom "vendor=local:snippets/ubuntu.yaml"
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qm set $VMID --tags ubuntu-template,noble,cloudinit
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qm set $VMID --ciuser $USER
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qm set $VMID --sshkeys ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIL7OapWuqeqK4mOF8LEJsBunfNUKJSpXmWkqACGCcQ4y mbtech@ubuntusemaphore
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qm set $VMID --ipconfig0 ip=dhcp
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qm template $VMID
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```
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::: info
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# Reminder you need to change the variables:
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```
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VMID=<Your ID you would Like to use>
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STORAGE=<Your storage location>
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USER=<your username>
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```
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:::
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Make sure that the bash script is executable
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```
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chmod 755 create-template.sh
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```
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```
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./create-template.sh
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```
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## Youtube Video
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<iframe width="560" height="315" src="https://www.youtube.com/embed/DU195xLjQdA?si=3_uwn7UTtyqxTX2V" title="YouTube video player" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share" referrerpolicy="strict-origin-when-cross-origin" allowfullscreen></iframe>