Using SSH的意思|示意

Because the Hadoop master node communicates with slave nodes using SSH, you should set up an authenticated no-passphrase SSH connection between the master and slaves.

因为hadoop主节点使用SSH与从节点通信，所以应该在主节点和从节点之间建立经过身份验证的无密码的SSH连接。

Using SSH allows for secure encrypted connections to remote hosts.

SSH可以提供到远程主机的安全加密连接。

Create a server and then open an SSH session on it using iduser.

创建一个服务器，然后使用iduser打开它上面的ssh会话。

Both host-based and public key-based authentication using SSH are more secure than RSH rhost-based authentication.

使用ssh的基于主机的认证和基于公钥的认证都比基于rsh rhost的认证安全。

To configure VNC over SSH, the best thing to do is to read the article "Making VNC more secure using SSH" (see Resources later in this article).

要在SSH上配置VNC，最好是阅读文章“Making VNC more secure using SSH”(请参阅本文后面的参考资料)。

Automating machine access using ssh-agent.

使用ssh - agent自动化机器访问。