jammy-server-cloudimg-amd64 template on ProxMox

jammy-server-cloudimg-template.sh

# based on https://gist.github.com/reluce/797515dc8b906eb07f54393a119df9a7
# https://techbythenerd.com/posts/creating-an-ubuntu-cloud-image-in-proxmox/
# All commands will be executed on a Proxmox host
 apt update -y &&  apt install libguestfs-tools -y
wget https://cloud-images.ubuntu.com/jammy/current/jammy-server-cloudimg-amd64.img
# Install qemu-guest-agent on the image. Additional packages can be specified by separating with a comma.
 virt-customize -a jammy-server-cloudimg-amd64.img --install qemu-guest-agent,neovim,tmux,exa,git
# Read and set root user password from file.
 virt-customize -a jammy-server-cloudimg-amd64.img --root-password file:password_root.txt
# Create an additional user.
 virt-customize -a jammy-server-cloudimg-amd64.img --run-command "useradd -m -s /bin/bash abayoumy"
 virt-customize -a jammy-server-cloudimg-amd64.img --run-command "usermod -aG sudo abayoumy"
  virt-customize -a jammy-server-cloudimg-amd64.img --run-command "echo 'abayoumy ALL=(ALL) NOPASSWD:ALL' >> /etc/sudoers"
# Set password for that user.
 virt-customize -a jammy-server-cloudimg-amd64.img --password abayoumy:file:password_abayoumy.txt
# Delete temporary password files safely.
shred -uv password_root.txt password_abayoumy.txt 
# Optional: Install fish shell.
 virt-customize -a jammy-server-cloudimg-amd64.img --run-command "apt-add-repository ppa:fish-shell/release-3 --yes"
 virt-customize -a jammy-server-cloudimg-amd64.img --install fish
 virt-customize -a jammy-server-cloudimg-amd64.img --run-command "chsh -s /usr/bin/fish abayoumy"
 virt-customize -a jammy-server-cloudimg-amd64.img --run-command "dpkg --configure -a"
 virt-customize -a jammy-server-cloudimg-amd64.img --timezone  "Africa/Cairo"
 virt-customize -a jammy-server-cloudimg-amd64.img --ssh-inject abayoumy:file:id_rsa.pub

virt-customize -a jammy-server-cloudimg-amd64.img --run-command "echo nameserver 8.8.8.8 >> /etc/resolv.conf"

#----
virt-customize -a jammy-server-cloudimg-amd64.img --run-command "snap install starship --edge"


#---
# Finally, update all packages in the image.
 virt-customize -a jammy-server-cloudimg-amd64.img --update

# Next, we create a Proxmox VM template.
# Change values for your bridge and storage and change defaults to your liking.
 qm create 980 --name "ubuntu-22.04-template" --memory 2048 --cores 2 --net0 virtio,bridge=vmbr0
 qm importdisk 980 jammy-server-cloudimg-amd64.img local-lvm
 qm set 980 --scsihw virtio-scsi-pci --scsi0 local-lvm:980/vm-980-disk-0.raw
 qm resize 980 scsi0 20G
 qm set 980 --boot c --bootdisk scsi0
 qm set 980 --ide2 local-lvm:cloudinit
 qm set 980 --serial0 socket --vga serial0
 qm set 980 --agent enabled=1
 qm template 980

# Now we can create new VMs by cloning this template or reference it with Terraform Proxmox etc.
# Login with SSH only possible with user "ubuntu" and SSH keys specified in cloudinit image.