36 lines
693 B
Markdown
36 lines
693 B
Markdown
# Ubuntu2 SSH 配置
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## 背景
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Ubuntu2 需要能够通过 "ssh nas" 免密登录到 NAS。
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## 步骤
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### 1. 生成 SSH 密钥（如不存在）
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```bash
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ssh-keygen -t ed25519 -N "" -f ~/.ssh/id_ed25519
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```
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### 2. 配置 ~/.ssh/config
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```bash
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Host nas
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HostName 192.168.3.17
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User shenwei
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IdentityFile ~/.ssh/id_ed25519
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```
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### 3. 传输公钥到 NAS
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```bash
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# 方法1：使用 sshpass（需要安装）
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sshpass -p '密码' ssh -o StrictHostKeyChecking=no shenwei@192.168.3.17 'cat >> ~/.ssh/authorized_keys'
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# 方法2：手动复制公钥内容
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cat ~/.ssh/id_ed25519.pub
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# 然后登录 NAS 追加到 ~/.ssh/authorized_keys
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```
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### 4. 测试
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```bash
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ssh nas "echo success"
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```
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