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shell
sudo apt install fdisk
fdisk /dev/mmcblk0
# 我用第二个分区
mkfs.ext4 /dev/mmcblk0p2

sudo mkdir /var/lib/docker
sudo blkid /dev/mmcblk0p2
sudo vi /etc/fstab
# UUID=28b29102-834d-4597-a37d-978fdf728c83 /var/lib/docker ext4 suid,dev,exec,auto,nouser,async,noatime,nofail 0 0
shell
# Add Docker's official GPG key:
sudo apt-get update
sudo apt-get install ca-certificates curl
sudo install -m 0755 -d /etc/apt/keyrings
sudo curl -fsSL https://download.docker.com/linux/ubuntu/gpg -o /etc/apt/keyrings/docker.asc
sudo chmod a+r /etc/apt/keyrings/docker.asc

# Add the repository to Apt sources:
echo \
  "deb [arch=$(dpkg --print-architecture) signed-by=/etc/apt/keyrings/docker.asc] https://download.docker.com/linux/ubuntu \
  $(. /etc/os-release && echo "$VERSION_CODENAME") stable" | \
  sudo tee /etc/apt/sources.list.d/docker.list > /dev/null
sudo apt-get update

sudo apt-get install docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin
shell
sudo docker info
sudo docker image pull docker.wanpeng.top/alpine:latest
sudo docker run -it docker.wanpeng.top/alpine

Uninstall Docker Engine ​

  1. Uninstall the Docker Engine, CLI, containerd, and Docker Compose packages:
shell
sudo apt-get purge docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin docker-ce-rootless-extras
  • Images, containers, volumes, or custom configuration files on your host aren't automatically removed. To delete all images, containers, and volumes:
shell
sudo rm -rf /var/lib/docker
shell
sudo rm -rf /var/lib/containerd
  • Remove source list and keyrings
shell
sudo rm /etc/apt/sources.list.d/docker.list
shell
sudo rm /etc/apt/keyrings/docker.asc

You have to delete any edited configuration files manually.