1. 安装证书并允许 apt 通过 HTTPS 使用存储库
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sudo apt install apt-transport-https ca-certificates curl software-properties-common gnupg lsb-release
2. 添加 Docker 官方 GPG 密钥
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curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo gpg --dearmor -o /usr/share/keyrings/docker-archive-keyring.gpg
3. 添加 Docker 官方库
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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
4. 更新源列表并安装 Docker 和 docker-compose
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sudo apt update
sudo apt install docker-ce docker-ce-cli containerd.io docker-compose docker-compose-plugin
5. 查看 Docker 服务状态
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sudo systemctl status docker.service
如果服务没有启动，启动 Docker 服务
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sudo systemctl start docker.service