# 02. SSH 密钥对

## 检查

```bash
ls ~/.ssh/id_ed25519.pub 2>/dev/null && cat ~/.ssh/id_ed25519.pub
```

✅ 达标：存在 `~/.ssh/id_ed25519.pub`，内容类似 `ssh-ed25519 AAAA... name@shazhou.work`

## 安装

```bash
# 替换 AGENT_NAME 为你的名字（如 xingyue / xiaomo / xiaoju）
ssh-keygen -t ed25519 -C "AGENT_NAME@shazhou.work" -f ~/.ssh/id_ed25519 -N ""
```

## 验证

```bash
ls -la ~/.ssh/id_ed25519 ~/.ssh/id_ed25519.pub
cat ~/.ssh/id_ed25519.pub
```