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Docs/Ubuntu允许Root用户登录.md
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Docs/Ubuntu允许Root用户登录.md
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> 本文作者:丁辉
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# Ubuntu允许Root用户登录
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1. 配置Root密码
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```bash
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sudo passwd root
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```
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2. 修改 ssh 配置
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```bash
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sudo vi /etc/ssh/sshd_config
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```
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3. 修改如下参数为 yes
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```bash
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# 允许 root 登录,但仅限于密钥方式。确保这是 'prohibit-password' 或 'without-password'
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PermitRootLogin yes
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# 确保公钥认证是开启的
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PubkeyAuthentication yes
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# 密码认证是关闭的(增加安全性)
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# PasswordAuthentication no
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```
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4. 重启 SSH 服务
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```bash
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sudo service ssh restart
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```
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