添加 Ubuntu安装Docker.md

Ubuntu安装Docker.md

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+# 前提条件
+
+- 系统：Ubuntu 22.04
+- 架构：x86_x64
+
+## 安装必要工具
+
+```bash
+sudo apt update && sudo apt install -y ca-certificates curl gnupg lsb-release
+```
+
+## 添加 Docker 的官方 GPG 密钥
+
+先检查是否包含相关目录
+```bash
+ls /etc/apt/keyrings
+```
+
+如果没有则创建
+```bash
+sudo install -m 0755 -d /etc/apt/keyrings
+```
+
+下载并保存
+```bash
+curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo gpg --dearmor -o /etc/apt/keyrings/docker.gpg
+```
+
+## 设置 Docker 仓库
+
+```bash
+echo \
+  "deb [arch=$(dpkg --print-architecture) signed-by=/etc/apt/keyrings/docker.gpg] https://download.docker.com/linux/ubuntu \
+  $(. /etc/os-release && echo "$VERSION_CODENAME") stable" | \
+  sudo tee /etc/apt/sources.list.d/docker.list > /dev/null
+```
+
+## 更新并安装
+
+```bash
+sudo apt update
+```
+
+```bash
+sudo apt install -y docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin
+```
+
+```bash
+docker -v
+```
+
+## 配置 Docker 代理服务（可选）
+
+```bash
+sudo mkdir -p /etc/systemd/system/docker.service.d
+```
+
+```bash
+sudo nano /etc/systemd/system/docker.service.d/http-proxy.conf
+```
+
+```
+[Service]
+Environment="HTTP_PROXY=http://192.168.31.9:7890"
+Environment="HTTPS_PROXY=http://192.168.31.9:7890"
+Environment="NO_PROXY=localhost,127.0.0.1,::1,docker-registry.somecorporation.com"
+```
+
+```bash
+sudo systemctl daemon-reload
+```
+
+```bash
+sudo systemctl restart docker
+```
+
+验证代理配置是否生效
+```bash
+sudo systemctl show --property=Environment docker
+```
+
+## 配置 NVIDIA 容器环境（可选）
+
+添加 NVIDIA 包仓库
+```bash
+curl -fsSL https://nvidia.github.io/libnvidia-container/gpgkey | sudo gpg --dearmor -o /usr/share/keyrings/nvidia-container-toolkit.gpg
+```
+
+```bash
+curl -s -L https://nvidia.github.io/libnvidia-container/stable/deb/nvidia-container-toolkit.list | sed 's#deb https://#deb [signed-by=/usr/share/keyrings/nvidia-container-toolkit.gpg] https://#g' | sudo tee /etc/apt/sources.list.d/nvidia-container-toolkit.list
+```
+
+```bash
+sudo apt update
+```
+
+安装 NVIDIA 容器工具包
+```bash
+sudo apt install -y nvidia-container-toolkit
+```
+
+配置 NVIDIA 运行时
+```bash
+sudo nvidia-ctk runtime configure --runtime=docker
+```
+
+```bash
+sudo systemctl restart docker
+```
+
+测试是否能识别
+```bash
+docker run --rm --gpus all nvidia/cuda:12.4.1-base-ubuntu24.04 nvidia-smi
+```