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about-project -
Debian Live Manual
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<meta name="dc.date" content="2011-12-04" />
<meta name="dc.rights" content="Copyright (C) 2006-2011 Debian Live Project;<br> License: This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.<br><br>This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.<br><br>You should have received a copy of the GNU General Public License along with this program. If not, see http://www.gnu.org/licenses/. <br><br>The complete text of the GNU General Public License can be found in /usr/share/common-licenses/GPL-3 file." />
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<h1 class="tiny">
Debian Live Manual
</h1>
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<h2 class="tiny">
About
</h2>
</div><div class="content"><div class="substance">
<label class="ocn"><a name="70" href="#70" class="lnkocn">70</a></label>
<h1 class="norm" id="o70"><a name="70"></a>
2. About the Debian Live Project
</h1>
</div><div class="substance">
<label class="ocn"><a name="71" href="#71" class="lnkocn">71</a></label>
<p class="bold" id="o71"><a name="71"></a> <a name="h2.1" id="h2.1"></a>
<a name="2.1" ></a><a name="h2.1" ></a>2.1 Motivation
</p>
</div><div class="substance">
<label class="ocn"><a name="72" href="#72" class="lnkocn">72</a></label>
<p class="bold" id="o72"><a name="72"></a> <a name="h2.1.1" id="h2.1.1"></a>
<a name="2.1.1" ></a><a name="h2.1.1" ></a>2.1.1 What is wrong with current live systems
</p>
</div><div class="substance">
<label class="ocn"><a name="73" href="#73" class="lnkocn">73</a></label>
<p class="i0" id="o73">
When Debian Live was initiated, there were already several Debian based live systems available and they are doing a great job. From the Debian perspective most of them have one or more of the following disadvantages:
</p>
</div><div class="substance">
<label class="ocn"><a name="74" href="#74" class="lnkocn">74</a></label>
<li class="bullet" id="o74">
They are not Debian projects and therefore lack support from within Debian.
</li>
</div><div class="substance">
<label class="ocn"><a name="75" href="#75" class="lnkocn">75</a></label>
<li class="bullet" id="o75">
They mix different distributions, e.g. <b>testing</b> and <b>unstable</b>.
</li>
</div><div class="substance">
<label class="ocn"><a name="76" href="#76" class="lnkocn">76</a></label>
<li class="bullet" id="o76">
They support i386 only.
</li>
</div><div class="substance">
<label class="ocn"><a name="77" href="#77" class="lnkocn">77</a></label>
<li class="bullet" id="o77">
They modify the behaviour and/or appearance of packages by stripping them down to save space.
</li>
</div><div class="substance">
<label class="ocn"><a name="78" href="#78" class="lnkocn">78</a></label>
<li class="bullet" id="o78">
They include packages from outside of the Debian archive.
</li>
</div><div class="substance">
<label class="ocn"><a name="79" href="#79" class="lnkocn">79</a></label>
<li class="bullet" id="o79">
They ship custom kernels with additional patches that are not part of Debian.
</li>
</div><div class="substance">
<label class="ocn"><a name="80" href="#80" class="lnkocn">80</a></label>
<li class="bullet" id="o80">
They are large and slow due to their sheer size and thus not suitable for rescue issues.
</li>
</div><div class="substance">
<label class="ocn"><a name="81" href="#81" class="lnkocn">81</a></label>
<li class="bullet" id="o81">
They are not available in different flavours, e.g. CDs, DVDs, USB-stick and netboot images.
</li>
</div><div class="substance">
<label class="ocn"><a name="82" href="#82" class="lnkocn">82</a></label>
<p class="bold" id="o82"><a name="82"></a> <a name="h2.1.2" id="h2.1.2"></a>
<a name="2.1.2" ></a><a name="h2.1.2" ></a>2.1.2 Why create our own live system?
</p>
</div><div class="substance">
<label class="ocn"><a name="83" href="#83" class="lnkocn">83</a></label>
<p class="i0" id="o83">
Debian is the Universal Operating System: Debian has a live system to show around and to accurately represent the Debian system with the following main advantages:
</p>
</div><div class="substance">
<label class="ocn"><a name="84" href="#84" class="lnkocn">84</a></label>
<li class="bullet" id="o84">
It would be a subproject of Debian.
</li>
</div><div class="substance">
<label class="ocn"><a name="85" href="#85" class="lnkocn">85</a></label>
<li class="bullet" id="o85">
It reflects the (current) state of one distribution.
</li>
</div><div class="substance">
<label class="ocn"><a name="86" href="#86" class="lnkocn">86</a></label>
<li class="bullet" id="o86">
It runs on as many architectures as possible.
</li>
</div><div class="substance">
<label class="ocn"><a name="87" href="#87" class="lnkocn">87</a></label>
<li class="bullet" id="o87">
It consists of unchanged Debian packages only.
</li>
</div><div class="substance">
<label class="ocn"><a name="88" href="#88" class="lnkocn">88</a></label>
<li class="bullet" id="o88">
It does not contain any packages that are not in the Debian archive.
</li>
</div><div class="substance">
<label class="ocn"><a name="89" href="#89" class="lnkocn">89</a></label>
<li class="bullet" id="o89">
It uses an unaltered Debian kernel with no additional patches.
</li>
</div><div class="substance">
<label class="ocn"><a name="90" href="#90" class="lnkocn">90</a></label>
<p class="bold" id="o90"><a name="90"></a> <a name="h2.2" id="h2.2"></a>
<a name="2.2" ></a><a name="h2.2" ></a>2.2 Philosophy
</p>
</div><div class="substance">
<label class="ocn"><a name="91" href="#91" class="lnkocn">91</a></label>
<p class="bold" id="o91"><a name="91"></a> <a name="h2.2.1" id="h2.2.1"></a>
<a name="2.2.1" ></a><a name="h2.2.1" ></a>2.2.1 Only unchanged packages from Debian "main"
</p>
</div><div class="substance">
<label class="ocn"><a name="92" href="#92" class="lnkocn">92</a></label>
<p class="i0" id="o92">
We will only use packages from the Debian repository in the "main" section. The non-free section is not part of Debian and therefore cannot be used for official live system images.
</p>
</div><div class="substance">
<label class="ocn"><a name="93" href="#93" class="lnkocn">93</a></label>
<p class="i0" id="o93">
We will not change any packages. Whenever we need to change something, we will do that in coordination with its package maintainer in Debian.
</p>
</div><div class="substance">
<label class="ocn"><a name="94" href="#94" class="lnkocn">94</a></label>
<p class="i0" id="o94">
As an exception, our own packages such as <i>live-boot</i>, <i>live-build</i> or <i>live-config</i> may temporarily be used from our own repository for development reasons (e.g. to create development snapshots). They will be uploaded to Debian on a regular basis.
</p>
</div><div class="substance">
<label class="ocn"><a name="95" href="#95" class="lnkocn">95</a></label>
<p class="bold" id="o95"><a name="95"></a> <a name="h2.2.2" id="h2.2.2"></a>
<a name="2.2.2" ></a><a name="h2.2.2" ></a>2.2.2 No package configuration of the live system
</p>
</div><div class="substance">
<label class="ocn"><a name="96" href="#96" class="lnkocn">96</a></label>
<p class="i0" id="o96">
In this phase we will not ship or install sample or alternative configurations. All packages are used in their default configuration as they are after a regular installation of Debian.
</p>
</div><div class="substance">
<label class="ocn"><a name="97" href="#97" class="lnkocn">97</a></label>
<p class="i0" id="o97">
Whenever we need a different default configuration, we will do that in coordination with its package maintainer in Debian.
</p>
</div><div class="substance">
<label class="ocn"><a name="98" href="#98" class="lnkocn">98</a></label>
<p class="i0" id="o98">
A system for configuring packages is provided using debconf in <tt>lb config</tt> (use --preseed FILE) allowing custom configured packages to be installed in your custom produced Debian Live images, but for official live images only default configuration will be used. For more information, please see <a href="customization-overview.html#customization-overview">Customization overview</a>.
</p>
</div><div class="substance">
<label class="ocn"><a name="99" href="#99" class="lnkocn">99</a></label>
<p class="i0" id="o99">
Exception: There are a few essential changes needed to bring a live system to life (e.g. configuring pam to allow empty passwords). These essential changes have to be kept as minimal as possible and should be merged within the Debian repository if possible.
</p>
</div><div class="substance">
<label class="ocn"><a name="100" href="#100" class="lnkocn">100</a></label>
<p class="bold" id="o100"><a name="100"></a> <a name="hcontact" id="hcontact"></a>
<a name="h2.3" ></a><a name="contact" ></a>2.3 Contact
</p>
</div><div class="substance">
<label class="ocn"><a name="101" href="#101" class="lnkocn">101</a></label>
<li class="bullet" id="o101">
<b>Mailing list</b>: The primary contact for the project is the mailing list at ‹<a href="http://lists.debian.org/debian-live/" target="_top">http://lists.debian.org/debian-live/</a>›. You can email the list directly by addressing your mail to ‹<a href="mailto:debian-live@lists.debian.org.">debian-live@lists.debian.org.</a>› The list archives are available at ‹<a href="http://lists.debian.org/debian-live/" target="_top">http://lists.debian.org/debian-live/</a>›.
</li>
</div><div class="substance">
<label class="ocn"><a name="102" href="#102" class="lnkocn">102</a></label>
<li class="bullet" id="o102">
<b>IRC</b>: A number of users and developers are present in the #debian-live channel on irc.debian.org (OFTC). When asking a question on IRC, please be patient for an answer. If no answer is forthcoming, please email the mailing list.
</li>
</div><div class="substance">
<label class="ocn"><a name="103" href="#103" class="lnkocn">103</a></label>
<li class="bullet" id="o103">
<b>BTS</b> : The Debian Bug Tracking System (BTS) contains details of bugs reported by users and developers. Each bug is given a number, and is kept on file until it is marked as having been dealt with. For more information, please see <a href="bugs.html#bugs">Reporting bugs</a>.
</li>
</div><div class="substance">
<label class="ocn"><a name="104" href="#104" class="lnkocn">104</a></label>
<li class="bullet" id="o104">
<b>Wiki</b>: The Debian Live wiki at ‹<a href="http://wiki.debian.org/DebianLive" target="_top">http://wiki.debian.org/DebianLive</a>› is a place to gather information, discuss applied technologies, and document frameworks of Debian Live systems that go beyond the scope of this document.
</li>
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