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<div class="slide titlepage">
<h1 class="title">Debian Pure Blends</h1>
<p class="author">
Jonas Smedegaard
</p>
<p class="date">HCU, Hyderabad, October 21th, 2011</p>
</div>
<div class="section slide level1" id="overview">
<h1>Overview</h1>
<ul>
<li>Internet</li>
<li>Home</li>
<li>Debian</li>
<li>Debian Pure Blends</li>
<li>FreedomBox</li>
</ul>
</div>
<div class="section slide level1" id="internet">
<h1>Internet</h1>
<p>Internet is <strong>parallel</strong> to the real World</p>
</div>
<div class="section slide level1" id="your-mission-in-this-world">
<h1>Your mission in this World?</h1>
<ul>
<li>Astronaut?</li>
<li>Professor?</li>
<li>Mother?</li>
<li>Millionaire?</li>
</ul>
</div>
<div class="section slide level1" id="passion">
<h1>Passion</h1>
<ul>
<li><del>Missions</del></li>
<li>Passions!</li>
<li>Curiosity!</li>
</ul>
</div>
<div class="section slide level1" id="key-elements-in-life-and-computer-life">
<h1>Key elements in life (and computer life)</h1>
<ul>
<li>Passions</li>
<li>Curiosity</li>
<li>Home</li>
<li>Trust</li>
</ul>
</div>
<div class="section slide level1" id="home">
<h1>Home</h1>
<ul>
<li>Where you are <strong>safe</strong></li>
<li>Where you can <strong>store</strong> goods</li>
<li>Where you can <strong>fumble</strong> and experiment</li>
</ul>
</div>
<div class="section slide level1" id="trust">
<h1>Trust</h1>
<ul class="incremental">
<li>trust: feeling comfortable as guest in another home</li>
<li>proper trust == mutual trust</li>
</ul>
</div>
<div class="section slide level1" id="healthy-environment">
<h1>Healthy environment</h1>
<ul>
<li>everyone has a <strong>home</strong></li>
<li>everyone is driven by <strong>passions</strong></li>
<li>everyone finds mutual <strong>trust</strong> in some others</li>
</ul>
</div>
<div class="section slide level1" id="debian---your-new-home">
<h1>Debian - your new home?</h1>
<ul>
<li><strong>Independent</strong> from commercial interests</li>
<li>Localized into <strong>100+ languages</strong></li>
<li>Neighbourhood of <strong>friendly</strong> users</li>
<li>Maintained by <strong>passionate</strong> developers</li>
<li>You are <strong>welcome to share</strong> your passions as an <strong>equal peer</strong></li>
</ul>
</div>
<div class="section slide level1" id="debian---the-universal-operating-system">
<h1>Debian - the universal Operating System</h1>
<ul>
<li>Free Software</li>
<li>100% created and governed by volunteers</li>
<li>Very very stable</li>
<li>Very very big</li>
<li>Flexible...</li>
</ul>
<p>Debian is "the universal Operating System"</p>
</div>
<div class="section slide level1" id="debian---very-flexible...">
<h1>Debian - very flexible...</h1>
<ul class="incremental">
<li>Flexible: good</li>
<li>Very flexible: very good</li>
</ul>
</div>
<div class="section slide level1" id="debian---too-flexible">
<h1>Debian - <strong>too</strong> flexible!</h1>
<ul>
<li>Flexible: good</li>
<li><del>Very flexible: very good</del></li>
<li>Very flexible: very confusing!</li>
</ul>
<p>Debian is maybe too flexible: confusing or even scary...</p>
</div>
<div class="section slide level1" id="debian---ways-to-simplify">
<h1>Debian - ways to simplify</h1>
<ol style="list-style-type: decimal">
<li>Tolerate it: Use it as-is</li>
<li>Remove choice: Use e.g. Ubuntu</li>
<li>Use a Debian Pure Blend</li>
</ol>
</div>
<div class="section slide level1" id="debian---simple-if-generic-defaults-are-ok">
<h1>Debian - simple if generic defaults are ok</h1>
<ul>
<li>Mainstream (but not too new) hardware</li>
<li>GNOME desktop</li>
<li>Iceweasel web browser (= Firefox)</li>
<li>Exim MTA</li>
<li>Apache web server</li>
<li>MySQL database server</li>
</ul>
<p>Debian <em>is</em> simple - if you like the defaults.</p>
</div>
<div class="section slide level1" id="ubuntu---your-new-home">
<h1>Ubuntu - your new home?</h1>
<ul>
<li>Nicer than Debian - if you like the defaults</li>
</ul>
</div>
<div class="section slide level1" id="debian-pure-blend---debian-for-a-specific-purpose">
<h1>Debian Pure Blend - Debian for a specific purpose</h1>
<p>a subset of Debian configured to support a particular target group out-of-the-box.</p>
</div>
<div class="section slide level1" id="debian-pure-blend---current-blending-projects">
<h1>Debian Pure Blend - current blending projects</h1>
<ul>
<li>Debian Jr</li>
<li>Debian Med</li>
<li>Debian Edu</li>
<li>Debian Science</li>
<li>Debian EzGo</li>
<li>BrDesktop</li>
<li>Debian Accessibility</li>
<li>Debian Lex</li>
<li>DebiChem</li>
<li>Debian GIS</li>
<li>Debian Multimedia</li>
</ul>
</div>
<div class="section slide level1" id="deebian-pure-blends---future-blends">
<h1>Deebian Pure Blends - future blends</h1>
<ul>
<li>FreedomBox</li>
<li>Debian LAN</li>
</ul>
</div>
<div class="section slide level1" id="home-alone...">
<h1>Home alone...</h1>
<ul>
<li>Calls are lost when you are out</li>
<li>Friends cannot see your "wall" when you are out</li>
</ul>
</div>
<div class="section slide level1" id="a-bigger-house-for-all-your-devices">
<h1>A bigger house for all your devices</h1>
<ul class="incremental">
<li>Your desktop/laptop</li>
<li>Your phone</li>
<li>Another computer at school or at a friend...</li>
</ul>
</div>
<div class="section slide level1" id="have-a-butler">
<h1>Have a butler!</h1>
<ul>
<li>Lets friends in, holds back random guests (=spam)</li>
<li>shows guests what they are allowed to see (=wall)</li>
<li>...</li>
</ul>
</div>
<div class="section slide level1" id="example-store-and-play-music">
<h1>Example: Store and play music</h1>
<ul class="incremental">
<li>Chat with butler</li>
<li>Make backup of your computer/phone</li>
<li>→ Butler notice music files, and suggests starting jukebox</li>
<li>Chat with a friend</li>
<li>→ Butler suggest sharing with friend what you are listening to</li>
<li>Friend also share jukebox status</li>
<li>→ Butler</li>
</ul>
</div>
<div class="section slide level1" id="freedombox---your-personal-privacy-manager">
<h1>FreedomBox - your personal privacy manager</h1>
<ul>
<li>Provides tools to keep in control of your privacy</li>
</ul>
</div>
<div class="section slide level1" id="freedombox---dreams...">
<h1>FreedomBox - Dreams...</h1>
<ul>
<li>Follows your activities and learns your trust paths</li>
<li>Calculates new trust paths</li>
<li>Suggests use of the tools</li>
</ul>
<p>*</p>
</div>
<div class="section slide level1" id="tech---debian-generic-setup">
<h1>Tech - Debian, generic setup</h1>
<ul>
<li>select package profile(s)</li>
<li>install</li>
</ul>
</div>
<div class="section slide level1" id="tech---debian-hand-tuned">
<h1>Tech - Debian, hand-tuned</h1>
<ul>
<li>select package profile(s)</li>
<li>select additional packages</li>
<li>install</li>
<li>(re)configure packages</li>
</ul>
</div>
<div class="section slide level1" id="tech---debian-auto-tuned">
<h1>Tech - Debian, auto-tuned</h1>
<ul>
<li>pre-seed package selection</li>
<li>pre-seed package configurations</li>
<li>install</li>
<li>(re)configure non-debconf packages</li>
</ul>
</div>
<div class="section slide level1" id="tech---debian-pure-blend-generic">
<h1>Tech - Debian Pure Blend = generic</h1>
<ul>
<li>select blend profile</li>
<li>install</li>
</ul>
</div>
<div class="section slide level1" id="tech---tasks-involved">
<h1>Tech - tasks involved</h1>
<ul>
<li>extra software → into Debian officially</li>
<li>manual configurations → preseeding</li>
<li>maybe create temporary dirty hacks</li>
<li>maybe use/create reusable tweaks</li>
<li>eliminate dirty hacks and tweaks</li>
<li>convince others in Debian to add as tasksel task</li>
</ul>
</div>
<div class="section slide level1" id="tech---blends-dev">
<h1>Tech - blends-dev</h1>
<p>Tool to help maintain package lists and prospective packages.</p>
<p>Example: <a href="http://debian-med.alioth.debian.org/tasks/psychology"><code class="url">http://debian-med.alioth.debian.org/tasks/psychology</code></a></p>
</div>
<div class="section slide level1" id="tech---dirty-tricks">
<h1>Tech - dirty tricks</h1>
<p>Avoid configuration files...</p>
<ul>
<li>config.d folders</li>
<li>databases</li>
<li>networked data</li>
</ul>
</div>
<div class="section slide level1" id="tech---tweaks">
<h1>Tech - tweaks</h1>
<p>Reusable scripts compatible with one or more of...</p>
<ul>
<li>FAI</li>
<li>hands-off at http://hands.com/d-i/</li>
<li>CFengine</li>
<li>Puppet</li>
</ul>
</div>
<div class="section slide level1" id="tech---good-style">
<h1>Tech - good style</h1>
<ul>
<li>Aptitude</li>
<li>debconf</li>
<li>Config::Model</li>
</ul>
</div>
<div class="section slide level1" id="tech---when-is-it-pure">
<h1>Tech - When is it "Pure"?</h1>
<p>When all is in Debian, with no dirty tricks:</p>
<ul>
<li>package selection(s)</li>
<li>customizations</li>
<li>installation</li>
</ul>
</div>
<div class="section slide level1" id="team---getting-involved">
<h1>Team - getting involved</h1>
<ul>
<li>identify and isolate tweaks at your own system</li>
<li>register missing software - on wiki page or (better!) in Debian BTS</li>
<li>write documentation</li>
<li>write the dream of how things ought to work</li>
<li>wite how details work now</li>
<li>discuss downstream (i.e. with users and subdistros) how things work / should work</li>
<li>discuss upstream (i.e. with authors) what is possible now / soon</li>
</ul>
</div>
<div class="section slide level1" id="team---getting-involved-ii">
<h1>Team - getting involved II</h1>
<ul>
<li>write intro for peer enthusiasts</li>
<li>decide and document ideal formats - translations, graphics etc.</li>
<li>prioritize pending tasks - of various kinds to encourage many different contributions</li>
<li>document where it is ok to ask beginners' questions</li>
<li>document if beginners can ask for a mentor</li>
</ul>
</div>
<div class="section slide level1" id="team---getting-involved-iii">
<h1>Team - getting involved III</h1>
<ul>
<li>make illustration</li>
<li>make screendumps</li>
<li>make fan graphics</li>
<li>make desktop backgrounds, CD covers, stickers, etc.</li>
<li>Register the project as a DOAP file, and maybe at Ohloh and Freshmeat etc.</li>
<li>Register and maintain relevant Debtags</li>
</ul>
</div>
<div class="section slide level1" id="team---getting-involved-iv">
<h1>Team - getting involved IV</h1>
<ul>
<li>Translate package descriptions</li>
<li>Translate debconf dialogs</li>
<li>Translate upstream code</li>
</ul>
</div>
<div class="section slide level1" id="team---getting-involved-v">
<h1>Team - getting involved V</h1>
<ul>
<li>Help integrate contributions from graphics artists, translators and others</li>
<li>document decision processes of the team (and Debian and upstreams?)</li>
<li>document workflows in teams</li>
<li>insist on transparency - not only for code!</li>
</ul>
</div>
<div class="section slide level1" id="team---continuous-status-checks">
<h1>Team - Continuous status checks</h1>
<ul>
<li>Ask users about their needs - you will forget over time!</li>
<li>Ask teams about their tasks - each participant has slightly different perception of the common vision and status</li>
<li>Ask upstreams about use: perhaps potentials are missed, or code or persons feel as being abused</li>
</ul>
</div>
<div class="section slide level1" id="debian-pure-blends---future">
<h1>Debian Pure Blends - Future</h1>
<ul>
<li>debconf dontcare vs. explicit choice of default option</li>
<li>debconf query mechanism (and fill buffer from live system)</li>
<li>APT explicit choice of alternate dependency/recommendation</li>
<li>APT dontcare vs. explicit choice of default dependency/recommendation</li>
<li>Config::Model - semantic configfile handling</li>
</ul>
</div>
<div class="section slide level1" id="final-words...">
<h1>Final words...</h1>
<p>Be <strong>passionate</strong>!</p>
<p><strong>Share</strong> your passion!</p>
</div>
<div class="section slide level1" id="final-words...-1">
<h1>Final words...</h1>
<p>Be <strong>passionate</strong>!</p>
<p><strong>Share</strong> your passion!</p>
<p>This talk: <a href="http://dr.jones.dk/blends/talk/hcu/"><code class="url">http://dr.jones.dk/blends/talk/hcu/</code></a></p>
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