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+% Debian Pure Blends
+% Jonas Smedegaard
+% Paris, France, November 4th, 2013
+
+# Creating sustainable hacks
+
+# Debian - the universal operating system
+
+# Debian Pure Blends - Debian universally relevant
+
+# Ideas as water
+
+![Photo: [George Hodan](http://www.publicdomainpictures.net/view-image.php?image=18935)](../../../fb/talk/epfsug2/ripple-20044.jpg)
+
+# Downstream <-> Upstream
+
+![](../../../fb/talk/epfsug2/developmentstream.jpg)
+
+# Derivatives
+
+# Making a blend
+
+# Debian constitution vs. Policy
+
+# Blends
+
+  * Debian Jr
+  * Debian Med
+  * Debian Edu
+  * Debian Science
+  * Debian EzGo
+  * BrDesktop
+  * Debian Accessibility
+  * Debian Lex
+  * DebiChem
+  * Debian GIS
+  * Debian Multimedia
+
+# Debian Pure Blends - all Debian
+
+  * **D**ebian packages - selections (e.g. for tasksel to pick up)
+  * **D**ebian configuration - use of policy-compliant package-provided interfaces
+  * **D**ebian distribution media - installing via Debian itself
+
+DDD
+  : **Debian** packages **Debian** configured from **Debian** distribution
+
+# Debian Pure Blends - why bother?
+
+Nice on paper with ideals and priciples, but...
+
+What's in it for me?!?
+
+# Debian Pure Blends - downsides
+
+  * **annoying** - Debian package maintainers may not like proposed changes
+  * **slow** - stable distribution is released infrequently
+  * **rigid** - all contributions must match Debian Free Software Guidelines
+  * **complex** - packages must obey Debian Policy
+
+# Debian Pure Blends - Benefits
+
+  * backed by Debian - help, bug tracking, translations, etc.
+  * teamwork - others might help you refine and maintain your setups
+  * common structures - others might take over if you loose interest
+
+# Tech - Debian support overloading choices
+
+  * Debian installer
+  * tasksel
+  * debconf
+  * aptitude
+
+# Tech - examples of non-pure blending
+
+  * include non-Debian packages or non-packaged stuff
+  * include Debian packages from different Debian suite
+  * configure system other than via Debian package installation
+  * install using non-Debian media
+
+You don't own your system - you provide one for others to own.
+
+So don't refine it like a (sloppy) user: Handle it like a Debian developer!
+
+# Tech - Debian, generic setup
+
+  * select package profile(s)
+  * install
+
+# Tech - Debian, hand-tuned
+
+  * select package profile(s)
+  * select additional packages
+  * install
+  * (re)configure packages
+
+# Tech - Debian, auto-tuned
+
+  * pre-seed package selection
+  * pre-seed package configurations
+  * install
+  * (re)configure non-debconf packages
+
+# Tech - Debian Pure Blend = generic
+
+  * select blend profile
+  * install
+
+# Tech - tasks involved
+
+  * extra software → into Debian officially
+  * manual configurations → preseeding
+  * maybe create temporary dirty hacks
+  * maybe use/create reusable tweaks
+  * eliminate dirty hacks and tweaks
+  * convince others in Debian to add as tasksel task
+
+# Tech - blends-dev
+
+Tool to help maintain package lists and prospective packages.
+
+Example: <http://debian-med.alioth.debian.org/tasks/psychology>
+
+# Tech - dirty tricks
+
+Avoid configuration files...
+
+  * config.d folders
+  * databases
+  * networked data
+
+# Tech - tweaks
+
+Reusable scripts compatible with one or more of...
+
+  * FAI
+  * hands-off at http://hands.com/d-i/
+  * CFengine
+  * Puppet
+
+# Tech - good style
+
+  * Aptitude
+  * debconf
+  * Config::Model
+
+# Tech - When is it "Pure"?
+
+When all is in Debian, with no dirty tricks:
+
+  * package selection(s)
+  * customizations
+  * installation
+
+# Team - getting involved
+
+  * identify and isolate tweaks at your own system
+  * register missing software - on wiki page or (better!) in Debian BTS
+  * write documentation
+  * write the dream of how things ought to work
+  * wite how details work now
+  * discuss downstream (i.e. with users and subdistros) how things work /
+    should work
+  * discuss upstream (i.e. with authors) what is possible now / soon
+
+# Team - getting involved II
+
+  * write intro for peer enthusiasts
+  * decide and document ideal formats  - translations, graphics etc.
+  * prioritize pending tasks - of various kinds to encourage many
+    different contributions
+  * document where it is ok to ask beginners' questions
+  * document if beginners can ask for a mentor
+
+# Team - getting involved III
+
+  * make illustration
+  * make screendumps
+  * make fan graphics
+  * make desktop backgrounds, CD covers, stickers, etc.
+  * Register the project as a DOAP file, and maybe at Ohloh and Freshmeat
+    etc.
+  * Register and maintain relevant Debtags
+
+# Team - getting involved IV
+
+  * Translate package descriptions
+  * Translate debconf dialogs
+  * Translate upstream code
+
+# Team - getting involved V
+
+  * Help integrate contributions from graphics artists, translators and
+    others
+  * document decision processes of the team (and Debian and upstreams?)
+  * document workflows in teams
+  * insist on transparency - not only for code!
+
+# Team - Continuous status checks
+
+  * Ask users about their needs - you will forget over time!
+  * Ask teams about their tasks - each participant has slightly different
+    perception of the common vision and status
+  * Ask upstreams about use: perhaps potentials are missed, or code or
+    persons feel as being abused
+
+# Debian Pure Blends - Future
+
+ * debconf dontcare vs. explicit choice of default option
+ * debconf query mechanism (and fill buffer from live system)
+ * APT explicit choice of alternate dependency/recommendation
+ * APT dontcare vs. explicit choice of default dependency/recommendation
+ * Config::Model - semantic configfile handling
+
+# Sources for this talk
+
+ * Me: <dr@jones.dk>
+ * This talk: <http://dr.jones.dk/blends/paris>
+ * Sketches by [Siri Reiter](http://sirireiter.dk/)
+ * Slides rich with facts: <http://upsilon.cc/~zack/talks/>
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+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
+ "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html xmlns="http://www.w3.org/1999/xhtml">
+<head>
+  <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
+  <meta http-equiv="Content-Style-Type" content="text/css" />
+  <meta name="generator" content="pandoc" />
+  <meta name="author" content="Jonas Smedegaard" />
+  <title>Debian Pure Blends</title>
+  <style type="text/css">code{white-space: pre;}</style>
+  <link rel="stylesheet" type="text/css" media="screen, projection, print"
+    href="../../../slidy/slidy.css" />
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+   href="local.css" />
+  <script src="../../../slidy/slidy.js"
+    charset="utf-8" type="text/javascript"></script>
+</head>
+<body>
+<div class="slide titlepage">
+  <h1 class="title">Debian Pure Blends</h1>
+  <p class="author">
+Jonas Smedegaard
+  </p>
+  <p class="date">Paris, France, November 4th, 2013</p>
+</div>
+<div id="creating-sustainable-hacks" class="slide section level1">
+<h1>Creating sustainable hacks</h1>
+</div>
+<div id="debian---the-universal-operating-system" class="slide section level1">
+<h1>Debian - the universal operating system</h1>
+</div>
+<div id="debian-pure-blends---debian-universally-relevant" class="slide section level1">
+<h1>Debian Pure Blends - Debian universally relevant</h1>
+</div>
+<div id="ideas-as-water" class="slide section level1">
+<h1>Ideas as water</h1>
+<div class="figure">
+<img src="../../../fb/talk/epfsug2/ripple-20044.jpg" alt="Photo: George Hodan" /><p class="caption">Photo: <a href="http://www.publicdomainpictures.net/view-image.php?image=18935">George Hodan</a></p>
+</div>
+</div>
+<div id="downstream---upstream" class="slide section level1">
+<h1>Downstream &lt;-&gt; Upstream</h1>
+<div class="figure">
+<img src="../../../fb/talk/epfsug2/developmentstream.jpg" />
+</div>
+</div>
+<div id="derivatives" class="slide section level1">
+<h1>Derivatives</h1>
+</div>
+<div id="making-a-blend" class="slide section level1">
+<h1>Making a blend</h1>
+</div>
+<div id="debian-constitution-vs.-policy" class="slide section level1">
+<h1>Debian constitution vs. Policy</h1>
+</div>
+<div id="blends" class="slide section level1">
+<h1>Blends</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 id="debian-pure-blends---all-debian" class="slide section level1">
+<h1>Debian Pure Blends - all Debian</h1>
+<ul>
+<li><strong>D</strong>ebian packages - selections (e.g. for tasksel to pick up)</li>
+<li><strong>D</strong>ebian configuration - use of policy-compliant package-provided interfaces</li>
+<li><strong>D</strong>ebian distribution media - installing via Debian itself</li>
+</ul>
+<dl>
+<dt>DDD</dt>
+<dd><strong>Debian</strong> packages <strong>Debian</strong> configured from <strong>Debian</strong> distribution
+</dd>
+</dl>
+</div>
+<div id="debian-pure-blends---why-bother" class="slide section level1">
+<h1>Debian Pure Blends - why bother?</h1>
+<p>Nice on paper with ideals and priciples, but...</p>
+<p>What's in it for me?!?</p>
+</div>
+<div id="debian-pure-blends---downsides" class="slide section level1">
+<h1>Debian Pure Blends - downsides</h1>
+<ul>
+<li><strong>annoying</strong> - Debian package maintainers may not like proposed changes</li>
+<li><strong>slow</strong> - stable distribution is released infrequently</li>
+<li><strong>rigid</strong> - all contributions must match Debian Free Software Guidelines</li>
+<li><strong>complex</strong> - packages must obey Debian Policy</li>
+</ul>
+</div>
+<div id="debian-pure-blends---benefits" class="slide section level1">
+<h1>Debian Pure Blends - Benefits</h1>
+<ul>
+<li>backed by Debian - help, bug tracking, translations, etc.</li>
+<li>teamwork - others might help you refine and maintain your setups</li>
+<li>common structures - others might take over if you loose interest</li>
+</ul>
+</div>
+<div id="tech---debian-support-overloading-choices" class="slide section level1">
+<h1>Tech - Debian support overloading choices</h1>
+<ul>
+<li>Debian installer</li>
+<li>tasksel</li>
+<li>debconf</li>
+<li>aptitude</li>
+</ul>
+</div>
+<div id="tech---examples-of-non-pure-blending" class="slide section level1">
+<h1>Tech - examples of non-pure blending</h1>
+<ul>
+<li>include non-Debian packages or non-packaged stuff</li>
+<li>include Debian packages from different Debian suite</li>
+<li>configure system other than via Debian package installation</li>
+<li>install using non-Debian media</li>
+</ul>
+<p>You don't own your system - you provide one for others to own.</p>
+<p>So don't refine it like a (sloppy) user: Handle it like a Debian developer!</p>
+</div>
+<div id="tech---debian-generic-setup" class="slide section level1">
+<h1>Tech - Debian, generic setup</h1>
+<ul>
+<li>select package profile(s)</li>
+<li>install</li>
+</ul>
+</div>
+<div id="tech---debian-hand-tuned" class="slide section level1">
+<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 id="tech---debian-auto-tuned" class="slide section level1">
+<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 id="tech---debian-pure-blend-generic" class="slide section level1">
+<h1>Tech - Debian Pure Blend = generic</h1>
+<ul>
+<li>select blend profile</li>
+<li>install</li>
+</ul>
+</div>
+<div id="tech---tasks-involved" class="slide section level1">
+<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 id="tech---blends-dev" class="slide section level1">
+<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">http://debian-med.alioth.debian.org/tasks/psychology</a></p>
+</div>
+<div id="tech---dirty-tricks" class="slide section level1">
+<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 id="tech---tweaks" class="slide section level1">
+<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 id="tech---good-style" class="slide section level1">
+<h1>Tech - good style</h1>
+<ul>
+<li>Aptitude</li>
+<li>debconf</li>
+<li>Config::Model</li>
+</ul>
+</div>
+<div id="tech---when-is-it-pure" class="slide section level1">
+<h1>Tech - When is it &quot;Pure&quot;?</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 id="team---getting-involved" class="slide section level1">
+<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 id="team---getting-involved-ii" class="slide section level1">
+<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 id="team---getting-involved-iii" class="slide section level1">
+<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 id="team---getting-involved-iv" class="slide section level1">
+<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 id="team---getting-involved-v" class="slide section level1">
+<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 id="team---continuous-status-checks" class="slide section level1">
+<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 id="debian-pure-blends---future" class="slide section level1">
+<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 id="sources-for-this-talk" class="slide section level1">
+<h1>Sources for this talk</h1>
+<ul>
+<li>Me: <script type="text/javascript">
+<!--
+h='&#106;&#x6f;&#110;&#x65;&#x73;&#46;&#100;&#x6b;';a='&#64;';n='&#100;&#114;';e=n+a+h;
+document.write('<a h'+'ref'+'="ma'+'ilto'+':'+e+'">'+e+'<\/'+'a'+'>');
+// -->
+</script><noscript>&#100;&#114;&#32;&#x61;&#116;&#32;&#106;&#x6f;&#110;&#x65;&#x73;&#32;&#100;&#x6f;&#116;&#32;&#100;&#x6b;</noscript></li>
+<li>This talk: <a href="http://dr.jones.dk/blends/paris">http://dr.jones.dk/blends/paris</a></li>
+<li>Sketches by <a href="http://sirireiter.dk/">Siri Reiter</a></li>
+<li>Slides rich with facts: <a href="http://upsilon.cc/~zack/talks/">http://upsilon.cc/~zack/talks/</a></li>
+</ul>
+</div>
+</body>
+</html>
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