摘要:
![Ubuntu 20.04 开启root权限登陆、网卡配置](https://img2022.cnblogs.com/blog/3025235/202211/3025235-20221106105510786-1381179306.png)
开启root权限登陆、#修改root密码sudo passwd root#安装sshapt-get install ssh、apt-get install openssh-server、apt-get install openssh-client#开启root登录sed -i、's/^#\?PermitRootLogin.*/PermitRootLogin yes/g' /etc/ssh/sshd_config#开启密码验证sed -i 's/^#\?PasswordAuthentica
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