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nanocl-qemu

Nanocl qemu is a container image thinked to run virtual machine. The virtual machine will take the ip of the started container has his own ip. To do so your image must be compatible with cloud-init. Most of cloud image have it baseline.

Get started

Start to download our image:

docker pull nexthat/nanocl-qemu:latest

Then choose you'r cloud image. I'll be using official latest ubuntu lts version:

wget https://cloud-images.ubuntu.com/minimal/releases/jammy/release/ubuntu-22.04-minimal-cloudimg-amd64.img

You can resize it to fit your need:

qemu-img resize ubuntu-22.04-minimal-cloudimg-amd64.img 50G

Then you can start your container as a virtual machine using:

docker run -it --rm \
  --cap-add NET_ADMIN \
  -v $(pwd)/ubuntu-22.04-minimal-cloudimg-amd64.img:/img/server.img \
  nexthat/nanocl-qemu:latest -m 4G -smp 4 -hda /img/server.img

Default user and password is set to cloud:cloud

You can tweak some settings like the default user, the password and add ssh_key as follow

docker run -it --rm \
  --cap-add NET_ADMIN \
  -e USER="$USER" \
  -e SSH_KEY="$SSH_KEY" \
  -e PASSWORD="$PASSWORD" \
  -v $(pwd)/ubuntu-22.04-minimal-cloudimg-amd64.img:/img/server.img \
  nexthat/nanocl-qemu:latest -m 4G -smp 4 -hda /img/server.img

If you want to enable kvm it's possible too:

docker run -it --rm \
  --device=/dev/kvm \
  --cap-add NET_ADMIN \
  -e USER="$USER" \
  -e SSH_KEY="$SSH_KEY" \
  -e PASSWORD="$PASSWORD" \
  -v $(pwd)/ubuntu-22.04-minimal-cloudimg-amd64.img:/img/server.img \
  nexthat/nanocl-qemu:latest -accel kvm -m 4G -smp 4 -hda /img/server.img