Ubuntu 安装 Docker

前置操作

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# 安装前先卸载操作系统默认安装的docker,
sudo apt-get remove docker docker-engine docker.io containerd runc

# 安装必要支持
sudo apt install apt-transport-https ca-certificates curl software-properties-common gnupg lsb-release


# 添加 Docker 官方 GPG key (可能国内现在访问会存在问题)
curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo gpg --dearmor -o /usr/share/keyrings/docker-archive-keyring.gpg
# 阿里源(推荐使用阿里的gpg KEY)
curl -fsSL https://mirrors.aliyun.com/docker-ce/linux/ubuntu/gpg | sudo gpg --dearmor -o /usr/share/keyrings/docker-archive-keyring.gpg



# 添加 apt 源:
# Docker官方源
echo "deb [arch=$(dpkg --print-architecture) signed-by=/usr/share/keyrings/docker-archive-keyring.gpg] https://download.docker.com/linux/ubuntu $(lsb_release -cs) stable" | sudo tee /etc/apt/sources.list.d/docker.list > /dev/null
# 阿里apt源
echo "deb [arch=$(dpkg --print-architecture) signed-by=/usr/share/keyrings/docker-archive-keyring.gpg] https://mirrors.aliyun.com/docker-ce/linux/ubuntu $(lsb_release -cs) stable" | sudo tee /etc/apt/sources.list.d/docker.list > /dev/null

# 更新源
sudo apt update
sudo apt-get update

安装docker

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# 安装最新版本的Docker
sudo apt install docker-ce docker-ce-cli containerd.io
# 等待安装完成

# 查看Docker版本
sudo docker version

# 查看Docker运行状态
sudo systemctl status docker