Ubuntu安装Docker步骤

支持的Ubuntu版本

Ubuntu Focal 20.04 (LTS)

Ubuntu Eoan 19.10

Ubuntu Bionic 18.04 (LTS)

Ubuntu Xenial 16.04 (LTS)

卸载当前的旧版本

sudo apt-get remove docker docker-engine docker.io containerd runc

安装Docker

1. sudo apt-get update

2. sudo apt-get install \
    apt-transport-https \
    ca-certificates \
    curl \
    gnupg-agent \
    software-properties-common

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

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

5. sudo apt-get update

6. sudo apt-get install docker-ce docker-ce-cli containerd.io

验证Docker安装是否成功

sudo docker run hello-world