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>Securing and Optimizing Linux: RedHat Edition -A Hands on Guide</TH
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>16.8. SSH2 Users Tools</A
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>&#13;         The commands listed below are some that we use often in our regular use, but many more exist, and you should check the man page and documentation for more details.
         </P
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><B
>ssh2. </B
>
         Ssh2, Secure Shell provides secure encrypted communications between two untrusted hosts over an insecure network. It is a program for logging securely into a remote machine and executing commands from there. It
         is a suitable replacement for insecure program like telnet, rlogin, rcp, rdist, and rsh.

         To login to a remote machine, use the command:
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>&#13;         [root@deep] /#<B
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>ssh2</B
> -l &#60;login_name&#62; &#60;hostname&#62;
         </PRE
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>Example 16-1. login to a remote using ssh2</B
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>&#13;           <TABLE
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>&#13;         [root@deep] /#<B
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>ssh2</B
> -l admin www.openna.com
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>&#13;         Passphrase for key "/home/admin/.ssh2/id_dsa_1024_a" with comment "1024-bit dsa, admin@deep.openna.com, Tue Oct 19 1999 14:31:40 -0400":
         admin's password:
         Last login: Tue Oct 19 1999 18:13:00 -0400 from deep.openna.com
         No mail.
         </TT
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>&#13;         [admin@www ]/admin$
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>
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>
         Where &#60;login_name&#62; is the name you use to connect to the ssh2 remote server and &#60;hostname&#62; is the address of your ssh2 remote server.
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><B
>sftp2. </B
>
         The sftp2, Secure File Transfer utility is an ftp-like client that provides file transfers over the network. You must already be connected with ssh2 before using the sftp2 utility.

         To ftp over ssh2, use the following command:
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>&#13;         [admin@deep /]$<B
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>sftp2</B
> &#60;hostname&#62;
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>

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>Example 16-2. sftp2, Secure File Transfer</B
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>&#13;           <TABLE
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>&#13;         [admin@deep /]$<B
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>sftp2</B
> www.openna.com
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>&#13;         local path  : /home/admin
         Passphrase for key "/home/admin/.ssh2/id_dsa_1024_a" with comment "1024-bit dsa, admin@deep.openna.com, Tue Oct 19 1999 14:31:40 -0400":
         admin's password:
         admin's password:
         remote path : /home/admin
         </TT
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>&#13;         sftp&#62;
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>
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>
         Where &#60;hostname&#62; is the name of the remote server you want to sftp.
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