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  10. <title>Debian Pure Blends</title>
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  20. <div class="slide titlepage">
  21. <h1 class="title">Debian Pure Blends</h1>
  22. <p class="author">
  23. Jonas Smedegaard
  24. </p>
  25. <p class="date">Paris, France, November 4th, 2013</p>
  26. </div>
  27. <div id="creating-sustainable-hacks" class="slide section level1">
  28. <h1>Creating sustainable hacks</h1>
  29. </div>
  30. <div id="debian---the-universal-operating-system" class="slide section level1">
  31. <h1>Debian - the universal operating system</h1>
  32. </div>
  33. <div id="debian-pure-blends---debian-universally-relevant" class="slide section level1">
  34. <h1>Debian Pure Blends - Debian universally relevant</h1>
  35. </div>
  36. <div id="ideas-as-water" class="slide section level1">
  37. <h1>Ideas as water</h1>
  38. <div class="figure">
  39. <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>
  40. </div>
  41. </div>
  42. <div id="downstream---upstream" class="slide section level1">
  43. <h1>Downstream &lt;-&gt; Upstream</h1>
  44. <div class="figure">
  45. <img src="../../../fb/talk/epfsug2/developmentstream.jpg" />
  46. </div>
  47. </div>
  48. <div id="derivatives" class="slide section level1">
  49. <h1>Derivatives</h1>
  50. </div>
  51. <div id="making-a-blend" class="slide section level1">
  52. <h1>Making a blend</h1>
  53. </div>
  54. <div id="debian-constitution-vs.-policy" class="slide section level1">
  55. <h1>Debian constitution vs. Policy</h1>
  56. </div>
  57. <div id="blends" class="slide section level1">
  58. <h1>Blends</h1>
  59. <ul>
  60. <li>Debian Jr</li>
  61. <li>Debian Med</li>
  62. <li>Debian Edu</li>
  63. <li>Debian Science</li>
  64. <li>Debian EzGo</li>
  65. <li>BrDesktop</li>
  66. <li>Debian Accessibility</li>
  67. <li>Debian Lex</li>
  68. <li>DebiChem</li>
  69. <li>Debian GIS</li>
  70. <li>Debian Multimedia</li>
  71. </ul>
  72. </div>
  73. <div id="debian-pure-blends---all-debian" class="slide section level1">
  74. <h1>Debian Pure Blends - all Debian</h1>
  75. <ul>
  76. <li><strong>D</strong>ebian packages - selections (e.g. for tasksel to pick up)</li>
  77. <li><strong>D</strong>ebian configuration - use of policy-compliant package-provided interfaces</li>
  78. <li><strong>D</strong>ebian distribution media - installing via Debian itself</li>
  79. </ul>
  80. <dl>
  81. <dt>DDD</dt>
  82. <dd><strong>Debian</strong> packages <strong>Debian</strong> configured from <strong>Debian</strong> distribution
  83. </dd>
  84. </dl>
  85. </div>
  86. <div id="debian-pure-blends---why-bother" class="slide section level1">
  87. <h1>Debian Pure Blends - why bother?</h1>
  88. <p>Nice on paper with ideals and priciples, but...</p>
  89. <p>What's in it for me?!?</p>
  90. </div>
  91. <div id="debian-pure-blends---downsides" class="slide section level1">
  92. <h1>Debian Pure Blends - downsides</h1>
  93. <ul>
  94. <li><strong>annoying</strong> - Debian package maintainers may not like proposed changes</li>
  95. <li><strong>slow</strong> - stable distribution is released infrequently</li>
  96. <li><strong>rigid</strong> - all contributions must match Debian Free Software Guidelines</li>
  97. <li><strong>complex</strong> - packages must obey Debian Policy</li>
  98. </ul>
  99. </div>
  100. <div id="debian-pure-blends---benefits" class="slide section level1">
  101. <h1>Debian Pure Blends - Benefits</h1>
  102. <ul>
  103. <li>backed by Debian - help, bug tracking, translations, etc.</li>
  104. <li>teamwork - others might help you refine and maintain your setups</li>
  105. <li>common structures - others might take over if you loose interest</li>
  106. </ul>
  107. </div>
  108. <div id="tech---debian-support-overloading-choices" class="slide section level1">
  109. <h1>Tech - Debian support overloading choices</h1>
  110. <ul>
  111. <li>Debian installer</li>
  112. <li>tasksel</li>
  113. <li>debconf</li>
  114. <li>aptitude</li>
  115. </ul>
  116. </div>
  117. <div id="tech---examples-of-non-pure-blending" class="slide section level1">
  118. <h1>Tech - examples of non-pure blending</h1>
  119. <ul>
  120. <li>include non-Debian packages or non-packaged stuff</li>
  121. <li>include Debian packages from different Debian suite</li>
  122. <li>configure system other than via Debian package installation</li>
  123. <li>install using non-Debian media</li>
  124. </ul>
  125. <p>You don't own your system - you provide one for others to own.</p>
  126. <p>So don't refine it like a (sloppy) user: Handle it like a Debian developer!</p>
  127. </div>
  128. <div id="tech---debian-generic-setup" class="slide section level1">
  129. <h1>Tech - Debian, generic setup</h1>
  130. <ul>
  131. <li>select package profile(s)</li>
  132. <li>install</li>
  133. </ul>
  134. </div>
  135. <div id="tech---debian-hand-tuned" class="slide section level1">
  136. <h1>Tech - Debian, hand-tuned</h1>
  137. <ul>
  138. <li>select package profile(s)</li>
  139. <li>select additional packages</li>
  140. <li>install</li>
  141. <li>(re)configure packages</li>
  142. </ul>
  143. </div>
  144. <div id="tech---debian-auto-tuned" class="slide section level1">
  145. <h1>Tech - Debian, auto-tuned</h1>
  146. <ul>
  147. <li>pre-seed package selection</li>
  148. <li>pre-seed package configurations</li>
  149. <li>install</li>
  150. <li>(re)configure non-debconf packages</li>
  151. </ul>
  152. </div>
  153. <div id="tech---debian-pure-blend-generic" class="slide section level1">
  154. <h1>Tech - Debian Pure Blend = generic</h1>
  155. <ul>
  156. <li>select blend profile</li>
  157. <li>install</li>
  158. </ul>
  159. </div>
  160. <div id="tech---tasks-involved" class="slide section level1">
  161. <h1>Tech - tasks involved</h1>
  162. <ul>
  163. <li>extra software → into Debian officially</li>
  164. <li>manual configurations → preseeding</li>
  165. <li>maybe create temporary dirty hacks</li>
  166. <li>maybe use/create reusable tweaks</li>
  167. <li>eliminate dirty hacks and tweaks</li>
  168. <li>convince others in Debian to add as tasksel task</li>
  169. </ul>
  170. </div>
  171. <div id="tech---blends-dev" class="slide section level1">
  172. <h1>Tech - blends-dev</h1>
  173. <p>Tool to help maintain package lists and prospective packages.</p>
  174. <p>Example: <a href="http://debian-med.alioth.debian.org/tasks/psychology">http://debian-med.alioth.debian.org/tasks/psychology</a></p>
  175. </div>
  176. <div id="tech---dirty-tricks" class="slide section level1">
  177. <h1>Tech - dirty tricks</h1>
  178. <p>Avoid configuration files...</p>
  179. <ul>
  180. <li>config.d folders</li>
  181. <li>databases</li>
  182. <li>networked data</li>
  183. </ul>
  184. </div>
  185. <div id="tech---tweaks" class="slide section level1">
  186. <h1>Tech - tweaks</h1>
  187. <p>Reusable scripts compatible with one or more of...</p>
  188. <ul>
  189. <li>FAI</li>
  190. <li>hands-off at http://hands.com/d-i/</li>
  191. <li>CFengine</li>
  192. <li>Puppet</li>
  193. </ul>
  194. </div>
  195. <div id="tech---good-style" class="slide section level1">
  196. <h1>Tech - good style</h1>
  197. <ul>
  198. <li>Aptitude</li>
  199. <li>debconf</li>
  200. <li>Config::Model</li>
  201. </ul>
  202. </div>
  203. <div id="tech---when-is-it-pure" class="slide section level1">
  204. <h1>Tech - When is it &quot;Pure&quot;?</h1>
  205. <p>When all is in Debian, with no dirty tricks:</p>
  206. <ul>
  207. <li>package selection(s)</li>
  208. <li>customizations</li>
  209. <li>installation</li>
  210. </ul>
  211. </div>
  212. <div id="team---getting-involved" class="slide section level1">
  213. <h1>Team - getting involved</h1>
  214. <ul>
  215. <li>identify and isolate tweaks at your own system</li>
  216. <li>register missing software - on wiki page or (better!) in Debian BTS</li>
  217. <li>write documentation</li>
  218. <li>write the dream of how things ought to work</li>
  219. <li>wite how details work now</li>
  220. <li>discuss downstream (i.e. with users and subdistros) how things work / should work</li>
  221. <li>discuss upstream (i.e. with authors) what is possible now / soon</li>
  222. </ul>
  223. </div>
  224. <div id="team---getting-involved-ii" class="slide section level1">
  225. <h1>Team - getting involved II</h1>
  226. <ul>
  227. <li>write intro for peer enthusiasts</li>
  228. <li>decide and document ideal formats - translations, graphics etc.</li>
  229. <li>prioritize pending tasks - of various kinds to encourage many different contributions</li>
  230. <li>document where it is ok to ask beginners' questions</li>
  231. <li>document if beginners can ask for a mentor</li>
  232. </ul>
  233. </div>
  234. <div id="team---getting-involved-iii" class="slide section level1">
  235. <h1>Team - getting involved III</h1>
  236. <ul>
  237. <li>make illustration</li>
  238. <li>make screendumps</li>
  239. <li>make fan graphics</li>
  240. <li>make desktop backgrounds, CD covers, stickers, etc.</li>
  241. <li>Register the project as a DOAP file, and maybe at Ohloh and Freshmeat etc.</li>
  242. <li>Register and maintain relevant Debtags</li>
  243. </ul>
  244. </div>
  245. <div id="team---getting-involved-iv" class="slide section level1">
  246. <h1>Team - getting involved IV</h1>
  247. <ul>
  248. <li>Translate package descriptions</li>
  249. <li>Translate debconf dialogs</li>
  250. <li>Translate upstream code</li>
  251. </ul>
  252. </div>
  253. <div id="team---getting-involved-v" class="slide section level1">
  254. <h1>Team - getting involved V</h1>
  255. <ul>
  256. <li>Help integrate contributions from graphics artists, translators and others</li>
  257. <li>document decision processes of the team (and Debian and upstreams?)</li>
  258. <li>document workflows in teams</li>
  259. <li>insist on transparency - not only for code!</li>
  260. </ul>
  261. </div>
  262. <div id="team---continuous-status-checks" class="slide section level1">
  263. <h1>Team - Continuous status checks</h1>
  264. <ul>
  265. <li>Ask users about their needs - you will forget over time!</li>
  266. <li>Ask teams about their tasks - each participant has slightly different perception of the common vision and status</li>
  267. <li>Ask upstreams about use: perhaps potentials are missed, or code or persons feel as being abused</li>
  268. </ul>
  269. </div>
  270. <div id="debian-pure-blends---future" class="slide section level1">
  271. <h1>Debian Pure Blends - Future</h1>
  272. <ul>
  273. <li>debconf dontcare vs. explicit choice of default option</li>
  274. <li>debconf query mechanism (and fill buffer from live system)</li>
  275. <li>APT explicit choice of alternate dependency/recommendation</li>
  276. <li>APT dontcare vs. explicit choice of default dependency/recommendation</li>
  277. <li>Config::Model - semantic configfile handling</li>
  278. </ul>
  279. </div>
  280. <div id="sources-for-this-talk" class="slide section level1">
  281. <h1>Sources for this talk</h1>
  282. <ul>
  283. <li>Me: <script type="text/javascript">
  284. <!--
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  288. </script><noscript>&#100;&#114;&#32;&#x61;&#116;&#32;&#106;&#x6f;&#110;&#x65;&#x73;&#32;&#100;&#x6f;&#116;&#32;&#100;&#x6b;</noscript></li>
  289. <li>This talk: <a href="http://dr.jones.dk/blends/paris">http://dr.jones.dk/blends/paris</a></li>
  290. <li>Sketches by <a href="http://sirireiter.dk/">Siri Reiter</a></li>
  291. <li>Zack's slides rich with facts: <a href="http://upsilon.cc/~zack/talks/">http://upsilon.cc/~zack/talks/</a></li>
  292. </ul>
  293. </div>
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