ubuntu安装docker

1.

# 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 \
$(. /etc/os-release && echo "${UBUNTU_CODENAME:-$VERSION_CODENAME}") stable" | \
sudo tee /etc/apt/sources.list.d/docker.list > /dev/null
sudo apt-get update

2.
sudo apt-get install docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin

3.
sudo docker run hello-world

4.
cat /etc/docker/daemon.json
{
"storage-driver":"overlay"
}

5. systemctl start docker.service 启动docker服务

参考：
https://docs.docker.com/engine/install/ubuntu/#prerequisites

 https://github.com/moby/moby/blob/master/contrib/check-config.sh下载到内核源码顶层，然乎执行check-config.sh就能显示内核缺少的配置选项