docker安装ssh

要在Docker容器中安装SSH，可以按照以下步骤进行操作:

1. 创建一个Docker容器，并进入容器内部:

   docker run -t -i ubuntu/ruby:v1 /bin/bash

2. 在容器内部安装openssh-server和openssh-client:

   apt-get install openssh-server openssh-client

3. 完成安装后，修改root密码:

   passwd

4. 退出容器，并保存对容器的修改:

   exit
   docker commit [container-id ubuntu/ruby:v2

5. 停止并删除原来的容器:

   docker stop [container-id]
   docker rm [container-id]

6. 启动一个新的容器，并后台运行SSH服务:

   docker run -d -p 50001:22 ubuntu/ruby:v2 /usr/sbin/sshd -D

7. 使用SSH远程登录该容器:

   ssh root@localhost -p 50001

如果想使用SSH密钥登录容器，可以在第2步中修改`/etc/ssh/sshd_config`文件，将`RSAAuthentication`和`PubkeyAuthentication`后面的值都改为`yes`，并将本地的`.ssh/id_rsa.pub`上传到容器中的`.ssh/authorized_keys`文件。然后运行以下命令:

mv /root/.ssh/id_rsa.pub /root/.ssh/authorized_keys
chmod 600 /root/.ssh/authorized_keys

这样就可以使用SSH密钥登录容器了。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
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