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<td width="80%" align="center" valign="bottom">Chapter 13 Basic Network Commands</td>
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<h1 class="SECT1"><a id="BASIC-NETWORK-COMMANDS-SSH"
name="BASIC-NETWORK-COMMANDS-SSH">13.6 The Secure shell</a></h1>
<p>Today, secure shell basks in the adoration that <tt class="COMMAND">telnet</tt> once
enjoyed. <tt class="COMMAND">ssh</tt>(1) allows one to make a connection to a remote
machine and execute programs as if one were physically present; however, <tt
class="COMMAND">ssh</tt> encrypts all the data travelling between the two computers so
even if others intercept the conversation, they are unable to understand it. A typical
secure shell connection follows.</p>
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<samp class="PROMPT">%</samp> <kbd
class="USERINPUT">ssh carrier.lizella.net -l alan</kbd>
The authenticity of host 'carrier.lizella.net (192.168.1.253)' can't be
established.
RSA key fingerprint is 0b:e2:5d:43:4c:39:4f:8c:b9:85:db:b2:fa:25:e9:9d.
Are you sure you want to continue connecting (yes/no)? yes
Warning: Permanently added 'carrier.lizella.net' (RSA) to the list of
known hosts.
Password: <kbd class="USERINPUT">password</kbd>
Last login: Sat Nov 6 16:32:19 2004 from 192.168.1.102
Linux 2.4.26-smp.
alan@carrier:~$ <kbd class="USERINPUT">ls -l MANIFEST</kbd>
-rw-r--r-- 1 alan users 23545276 2004-10-28 20:04 MANIFEST
alan@carrier:~$ <kbd class="USERINPUT">exit</kbd>
logout
Connection to carrier.lizella.net closed.
</pre>
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<p>There you see me making an ssh connection to <tt
class="HOSTID">carrier.lizella.net</tt>, and checking the permissions on the <tt
class="FILENAME">MANIFEST</tt> file.</p>
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