How to Install Docker & Kubernetes & LXD on Odroid-HC2 (or XU4)

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Environment
Device : Odroid-HC2
OS : Ubuntu-20.04

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$ sudo apt update
$ sudo apt install apt-transport-https ca-certificates curl gnupg-agent  software-properties-common -y

1) Odroid-HC2 (or XU4)

### Install Docker

$ sudo apt install docker docker-compose
$ sudo usermod -aG docker $USER

※ Docker’s Official Repository is not supported

### Test Docker

$ sudo docker run hello-world

2) Odroid-C1

Not Support (Kernel is old)

3) Odroid-C2

### Insert Docker’s official GPG key

$ curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo apt-key add -

### Verify key

$ sudo apt-key fingerprint 0EBFCD88

### Insert Docker’s Repository

$ sudo add-apt-repository \
   "deb [arch=arm64] https://download.docker.com/linux/ubuntu \
   $(lsb_release -cs) \
   stable"
$ sudo apt update

### Install Docker

$ sudo apt install docker-ce docker-ce-cli containerd.io -y
$ sudo usermod -aG docker $USER

### Test Docker

$ sudo docker run hello-world

※ Docker’s Official Repository

○ x86_64

$ sudo add-apt-repository \
   "deb [arch=amd64] https://download.docker.com/linux/ubuntu \
   $(lsb_release -cs) \
   stable"

○ arm64

$ sudo add-apt-repository \
   "deb [arch=arm64] https://download.docker.com/linux/ubuntu \
   $(lsb_release -cs) \
   stable"

○ armhf

$ sudo add-apt-repository \
   "deb [arch=amdhf] https://download.docker.com/linux/ubuntu \
   $(lsb_release -cs) \
   stable"

### Insert k8s official GPG key

curl -s https://packages.cloud.google.com/apt/doc/apt-key.gpg | sudo apt-key add -

### Insert k8s Repository

$ sudo add-apt-repository "deb https://apt.kubernetes.io/ kubernetes-xenial main"

※ currently bionic & focal is not supported

$ sydo apt update

### Install k8s

$ sudo apt install kubeadm kubelet kubectl kubernetes-cni -y

1) Odroid-HC2 (or XU4)

$ sudo apt install lxd lxd-client -y
$ sudo lxd init
$ sudo usermod -aG lxd $USER
$ lxc image list images:

2) Odroid-C1 & C2

Not Support

※ x86_64

$ sudo apt install lxc lxd -y
$ sudo lxd init
$ sudo usermod -aG lxd $USER
$ lxc image list images:

Beyond Here