501 lines
16 KiB
HTML
501 lines
16 KiB
HTML
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
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"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
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<html xmlns="http://www.w3.org/1999/xhtml" lang="en" xml:lang="en">
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<head>
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<!-- 2016-11-12 Sat 23:54 -->
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<meta http-equiv="Content-Type" content="text/html;charset=utf-8" />
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<meta name="viewport" content="width=device-width, initial-scale=1" />
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<title></title>
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<meta name="generator" content="Org mode" />
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<meta name="author" content="Bob Mottram" />
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<meta name="description" content="Turn the Beaglebone Black into a personal communications server"
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/>
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<meta name="keywords" content="freedombox, debian, beaglebone, hubzilla, email, web server, home server, internet, censorship, surveillance, social network, irc, jabber" />
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/* add a generic configuration mode; LaTeX export needs an additional
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table { border-collapse:collapse; }
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{ background-color: #ffff00; color: #000000; font-weight: bold; }
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.org-svg { width: 90%; }
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/*]]>*/-->
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</style>
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<link rel="stylesheet" type="text/css" href="freedombone.css" />
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<script type="text/javascript">
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/*
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@licstart The following is the entire license notice for the
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JavaScript code in this tag.
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Copyright (C) 2012-2013 Free Software Foundation, Inc.
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The JavaScript code in this tag is free software: you can
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redistribute it and/or modify it under the terms of the GNU
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General Public License (GNU GPL) as published by the Free Software
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Foundation, either version 3 of the License, or (at your option)
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any later version. The code is distributed WITHOUT ANY WARRANTY;
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without even the implied warranty of MERCHANTABILITY or FITNESS
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FOR A PARTICULAR PURPOSE. See the GNU GPL for more details.
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As additional permission under GNU GPL version 3 section 7, you
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may distribute non-source (e.g., minimized or compacted) forms of
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that code without the copy of the GNU GPL normally required by
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section 4, provided you include this license notice and a URL
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through which recipients can access the Corresponding Source.
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@licend The above is the entire license notice
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for the JavaScript code in this tag.
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*/
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<!--/*--><![CDATA[/*><!--*/
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function CodeHighlightOn(elem, id)
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}
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/*]]>*///-->
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</script>
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</head>
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<body>
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<div id="preamble" class="status">
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<a name="top" id="top"></a>
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</div>
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<div id="content">
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<div class="org-center">
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<div class="figure">
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<p><img src="images/logo.png" alt="logo.png" />
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</p>
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</div>
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</div>
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<center>
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<h1>Usage</h1>
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</center>
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<table border="2" cellspacing="0" cellpadding="6" rules="groups" frame="hsides">
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<colgroup>
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<col class="org-left" />
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</colgroup>
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<tbody>
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<tr>
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<td class="org-left"><a href="#org8a8dd7e">Readme</a></td>
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</tr>
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<tr>
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<td class="org-left"><a href="#org96f2f29">Improving ssh security</a></td>
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</tr>
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<tr>
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<td class="org-left"><a href="#orgac36f9a">Administrating the system via an onion address (Tor)</a></td>
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</tr>
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<tr>
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<td class="org-left"><a href="./mobile.html">Mobile advice</a></td>
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</tr>
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<tr>
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<td class="org-left"><a href="./usage_email.html">Using Email</a></td>
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</tr>
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<tr>
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<td class="org-left"><a href="./app_syncthing.html">Syncing to the Cloud</a></td>
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</tr>
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<tr>
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<td class="org-left"><a href="./app_dlna.html">Play Music</a></td>
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</tr>
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<tr>
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<td class="org-left"><a href="./app_gnusocial.html">Microblogging (GNU Social)</a></td>
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</tr>
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<tr>
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<td class="org-left"><a href="./app_hubzilla.html">Social Network</a></td>
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</tr>
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<tr>
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<td class="org-left"><a href="./app_irc.html">Multi-user chat with IRC</a></td>
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</tr>
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<tr>
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<td class="org-left"><a href="./app_xmpp.html">XMPP/Jabber</a></td>
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</tr>
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<tr>
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<td class="org-left"><a href="./app_tox.html">Tox</a></td>
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</tr>
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<tr>
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<td class="org-left"><a href="./app_mumble.html">Mumble</a></td>
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</tr>
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<tr>
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<td class="org-left"><a href="./app_rss.html">RSS Reader</a></td>
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</tr>
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<tr>
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<td class="org-left"><a href="./app_gogs.html">Git Projects</a></td>
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</tr>
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<tr>
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<td class="org-left"><a href="#orgaf5eee1">Adding or removing users</a></td>
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</tr>
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<tr>
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<td class="org-left"><a href="./app_pihole.html">Blocking Ads</a></td>
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</tr>
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</tbody>
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</table>
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<div id="outline-container-org8a8dd7e" class="outline-2">
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<h2 id="org8a8dd7e">Readme</h2>
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<div class="outline-text-2" id="text-org8a8dd7e">
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<p>
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After the system has installed a README file will be generated which contains passwords and some brief advice on using the installed systems. You can read this with the following commands:
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</p>
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<div class="org-src-container">
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<pre class="src src-bash">ssh username@domainname -p 2222
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emacs ~/README
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</pre>
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</div>
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<p>
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You should transfer any passwords to a password manager such as <a href="https://www.keepassx.org/">KeepassX</a> and then delete them from the README file. To save the file after removing passwords use <b>CTRL-x CTRL-s</b>.
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</p>
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<p>
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To exit you can either just close the terminal or use <b>CTRL-x CTRL-c</b> followed by the <b>exit</b> command.
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</p>
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</div>
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</div>
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<div id="outline-container-org96f2f29" class="outline-2">
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<h2 id="org96f2f29">Improving ssh security</h2>
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<div class="outline-text-2" id="text-org96f2f29">
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<p>
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To improve ssh security you can generate an ssh key pair on your system and then upload the public key to the Freedombone.
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</p>
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<p>
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On your local machine:
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</p>
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<div class="org-src-container">
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<pre class="src src-bash">ssh-keygen
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</pre>
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</div>
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<p>
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For extra security you may also want to add a passphrase to the ssh private key. You can show the generated public key with:
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</p>
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<div class="org-src-container">
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<pre class="src src-bash">cat ~/.ssh/id_rsa.pub
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</pre>
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</div>
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<p>
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Log into your system and open the control panel.
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</p>
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<div class="org-src-container">
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<pre class="src src-bash">ssh username@domain -p 2222
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</pre>
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</div>
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<p>
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Select <i>Administrator controls</i> then <i>Manage Users</i> then <i>Change user ssh public key</i>. Copy and paste the public key here, then exit.
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</p>
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<p>
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It's a good idea to also copy the contents of <b>~/.ssh/id_rsa</b> and <b>~/.ssh/id_rsa.pub</b> to you password manager, together with the private key password if you created one.
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</p>
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<p>
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There are advantages and disadvantages to using ssh keys for logins. The advantage is that this is much more secure than a memorised password, but the disadvantage is that you need to carry your ssh keys around and be able to install them on any computer of mobile device that you use. In high security or hostile infosec environments it may not be possible to carry or use USB thumb drives containing your keys and so memorised passwords may be the only available choice.
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</p>
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<p>
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If you wish to only use ssh keys then log in to the Freedombone, become the root user and open the control panel with the 'control' command. Select <i>Security Settings</i> then keep hitting enter until you reach the question about allowing password logins. Select "no" for that, then apply the settings. Any subsequent attempts to log in via a password will then be denied.
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</p>
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</div>
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</div>
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<div id="outline-container-orgac36f9a" class="outline-2">
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<h2 id="orgac36f9a">Administrating the system via an onion address (Tor)</h2>
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<div class="outline-text-2" id="text-orgac36f9a">
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<p>
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You can also access your system via the Tor system using an onion address. To find out what the onion address for ssh access is you can do the following:
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</p>
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<div class="org-src-container">
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<pre class="src src-bash">ssh username@freedombone.local -p 2222
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</pre>
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</div>
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<p>
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Select <i>Administrator controls</i> then select "About this system" and look for the onion address for ssh. You can then close the terminal and open another, then do the following on your local system:
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</p>
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<div class="org-src-container">
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<pre class="src src-bash">freedombone-client
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</pre>
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</div>
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<p>
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This will set up your ssh environment to be able to handle onion addresses. In addition if you use monkeysphere then you can do:
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</p>
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<div class="org-src-container">
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<pre class="src src-bash">freedombone-client --ms yes
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</pre>
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</div>
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<p>
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Then you can test ssh with:
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</p>
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<div class="org-src-container">
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<pre class="src src-bash">ssh username@address.onion -p 2222
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</pre>
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</div>
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<p>
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Subsequently even if dynamic DNS isn't working you may still be able to administer your system. Using the onion address also gives you some degree of protection against corporate or government metadata analysis, since it becomes more difficult to passively detect which systems are communicating.
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</p>
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</div>
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</div>
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<div id="outline-container-orgaf5eee1" class="outline-2">
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<h2 id="orgaf5eee1">Adding or removing users</h2>
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<div class="outline-text-2" id="text-orgaf5eee1">
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<p>
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Log into the system with:
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</p>
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<div class="org-src-container">
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<pre class="src src-bash">ssh username@domainname -p 2222
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</pre>
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</div>
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|
|
|
<p>
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Select <b>Administrator controls</b> then <b>User Management</b>. Depending upon the type of installation after selecting administrator controls you might need to enter:
|
|
</p>
|
|
|
|
<div class="org-src-container">
|
|
<pre class="src src-bash">sudo su
|
|
control
|
|
</pre>
|
|
</div>
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|
|
|
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|
<div class="figure">
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|
<p><img src="images/controlpanel/control_panel_manage_users.jpg" alt="control_panel_manage_users.jpg" />
|
|
</p>
|
|
</div>
|
|
</div>
|
|
</div>
|
|
</div>
|
|
<div id="postamble" class="status">
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<style type="text/css">
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position: fixed;
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background-color: rgba(235, 235, 235, 0.80);
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font-size: 12px;
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padding: 1em;
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display: none;
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.back-to-top:hover {
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background-color: rgba(135, 135, 135, 0.50);
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}
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</style>
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<div class="back-to-top">
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<a href="#top">Back to top</a> | <a href="mailto:bob@freedombone.net">E-mail me</a>
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</div>
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</body>
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