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  16. <div class="slide titlepage">
  17. <h1 class="title">Debian Pure Blends</h1>
  18. <p class="author">
  19. Jonas Smedegaard
  20. </p>
  21. <p class="date">Sarada, Khammam, October 20th, 2011</p>
  22. </div>
  23. <div class="slide">
  24. <h1 id="overview">Overview</h1>
  25. <ul>
  26. <li>Internet</li>
  27. <li>Home</li>
  28. <li>Passion</li>
  29. <li>Trust</li>
  30. <li>Debian</li>
  31. <li>Debian Pure Blends</li>
  32. </ul>
  33. </div>
  34. <div class="slide">
  35. <h1 id="internet">Internet</h1>
  36. <p>Internet is our digital parallel World...</p>
  37. </div>
  38. <div class="slide">
  39. <h1 id="home">Home</h1>
  40. <ul>
  41. <li>Where you are <strong>safe</strong></li>
  42. <li>Where you can <strong>store</strong> goods</li>
  43. <li>Where you can <strong>fumble</strong> and experiment</li>
  44. </ul>
  45. </div>
  46. <div class="slide">
  47. <h1 id="passion">Passion</h1>
  48. <ul class="incremental">
  49. <li>Purpose</li>
  50. <li>Astronaut?</li>
  51. <li>Nuclear Scientist?</li>
  52. </ul>
  53. </div>
  54. <div class="slide">
  55. <h1 id="passion-1">Passion</h1>
  56. <ul>
  57. <li><span style="text-decoration: line-through;">Purpose</span></li>
  58. <li>Passion!</li>
  59. </ul>
  60. </div>
  61. <div class="slide">
  62. <h1 id="passion-2">Passion</h1>
  63. <ul>
  64. <li><span style="text-decoration: line-through;">Purpose</span></li>
  65. <li>Passions!</li>
  66. </ul>
  67. </div>
  68. <div class="slide">
  69. <h1 id="trust">Trust</h1>
  70. <ul class="incremental">
  71. <li>trust: feeling comfortable as guest in another home</li>
  72. <li>proper trust == mutual trust</li>
  73. </ul>
  74. </div>
  75. <div class="slide">
  76. <h1 id="healthy-environment">Healthy environment</h1>
  77. <ul>
  78. <li>everyone has a <strong>home</strong></li>
  79. <li>everyone is driven by <strong>passions</strong></li>
  80. <li>everyone finds mutual <strong>trust</strong> in some others</li>
  81. </ul>
  82. </div>
  83. <div class="slide">
  84. <h1 id="debian---the-universal-operating-system">Debian - the universal Operating System</h1>
  85. <ul>
  86. <li>Free Software</li>
  87. <li>Stable</li>
  88. <li>Flexible</li>
  89. <li>very very big</li>
  90. </ul>
  91. <p>Debian is &quot;the universal Operating System&quot;</p>
  92. <p>Goal: Usable everywhere</p>
  93. </div>
  94. <div class="slide">
  95. <h1 id="debian---a-home-for-you">Debian - a home for you?</h1>
  96. <ul>
  97. <li>Not commercial</li>
  98. <li>localized into more than 100 languages</li>
  99. <li>Friendly users</li>
  100. <li>Passionate developers</li>
  101. </ul>
  102. </div>
  103. <div class="slide">
  104. <h1 id="debian---very-flexible...">Debian - very flexible...</h1>
  105. <ul class="incremental">
  106. <li>Flexible: good</li>
  107. <li>Very flexible: very good</li>
  108. </ul>
  109. </div>
  110. <div class="slide">
  111. <h1 id="debian---too-flexible">Debian - <strong>too</strong> flexible!</h1>
  112. <ul>
  113. <li>Flexible: good</li>
  114. <li><span style="text-decoration: line-through;">Very flexible: very good</span></li>
  115. <li>Very flexible: very confusing!</li>
  116. </ul>
  117. <p>Debian is maybe too flexible: confusing or even scary...</p>
  118. </div>
  119. <div class="slide">
  120. <h1 id="debian---ways-to-simplify">Debian - ways to simplify</h1>
  121. <ol style="list-style-type: decimal">
  122. <li>Tolerate it: Use it as-is</li>
  123. <li>Remove choice: Use e.g. Ubuntu</li>
  124. <li>Use a Debian Pure Blend</li>
  125. </ol>
  126. </div>
  127. <div class="slide">
  128. <h1 id="debian---simple-if-generic-defaults-are-ok">Debian - simple if generic defaults are ok</h1>
  129. <ul>
  130. <li>Mainstream (but not too new) hardware</li>
  131. <li>GNOME desktop</li>
  132. <li>Iceweasel web browser (= Firefox)</li>
  133. <li>Exim MTA</li>
  134. <li>Apache web server</li>
  135. <li>MySQL database server</li>
  136. </ul>
  137. <p>Debian <em>is</em> simple - if you like the defaults.</p>
  138. </div>
  139. <div class="slide">
  140. <h1 id="debian-pure-blend---debian-for-a-specific-purpose">Debian Pure Blend - Debian for a specific purpose</h1>
  141. <p>a subset of Debian configured to support a particular target group out-of-the-box.</p>
  142. <dl>
  143. <dt>Goal 1</dt>
  144. <dd>Turn Debian into the distribution of choice for a specific target group
  145. </dd>
  146. <dt>Goal 2</dt>
  147. <dd>Advertise this fact to the world to attract users and developers
  148. </dd>
  149. </dl>
  150. </div>
  151. <div class="slide">
  152. <h1 id="debian-pure-blend---current-blending-projects">Debian Pure Blend - current blending projects</h1>
  153. <ul>
  154. <li>Debian Jr</li>
  155. <li>Debian Med</li>
  156. <li>Debian Edu</li>
  157. <li>Debian Science</li>
  158. <li>Debian EzGo</li>
  159. <li>BrDesktop</li>
  160. <li>Debian Accessibility</li>
  161. <li>Debian Lex</li>
  162. <li>DebiChem</li>
  163. <li>Debian GIS</li>
  164. <li>Debian Multimedia</li>
  165. </ul>
  166. </div>
  167. <div class="slide">
  168. <h1 id="deebian-pure-blends---future-blends">Deebian Pure Blends - future blends</h1>
  169. <ul>
  170. <li>FreedomBox</li>
  171. <li>Debian LAN</li>
  172. </ul>
  173. </div>
  174. <div class="slide">
  175. <h1 id="debian-pure-blends---all-debian">Debian Pure Blends - all Debian</h1>
  176. <ul>
  177. <li><strong>D</strong>ebian packages - selections (e.g. for tasksel to pick up)</li>
  178. <li><strong>D</strong>ebian configuration - use of policy-compliant package-provided interfaces</li>
  179. <li><strong>D</strong>ebian distribution media - installing via Debian itself</li>
  180. </ul>
  181. <dl>
  182. <dt>DDD</dt>
  183. <dd><strong>Debian</strong> packages <strong>Debian</strong> configured from <strong>Debian</strong> distribution
  184. </dd>
  185. </dl>
  186. </div>
  187. <div class="slide">
  188. <h1 id="debian-pure-blends---why-bother">Debian Pure Blends - why bother?</h1>
  189. <p>Nice ideals and principles in theory, but...</p>
  190. <p>What's in it for me?!?</p>
  191. </div>
  192. <div class="slide">
  193. <h1 id="debian-pure-blends---downsides">Debian Pure Blends - downsides</h1>
  194. <ul>
  195. <li><strong>annoying</strong> - Debian package maintainers may not like proposed changes</li>
  196. <li><strong>slow</strong> - stable distribution is released infrequently</li>
  197. <li><strong>rigid</strong> - all contributions must match Debian Free Software Guidelines</li>
  198. <li><strong>complex</strong> - packages must obey Debian Policy</li>
  199. </ul>
  200. </div>
  201. <div class="slide">
  202. <h1 id="debian-pure-blends---benefits">Debian Pure Blends - Benefits</h1>
  203. <ul>
  204. <li>backed by Debian - help, bug tracking, translations, etc.</li>
  205. <li>teamwork - others might help you refine and maintain your setups</li>
  206. <li>common structures - others might take over if you loose interest</li>
  207. </ul>
  208. </div>
  209. <div class="slide">
  210. <h1 id="tech---debian-generic-setup">Tech - Debian, generic setup</h1>
  211. <ul>
  212. <li>select package profile(s)</li>
  213. <li>install</li>
  214. </ul>
  215. </div>
  216. <div class="slide">
  217. <h1 id="tech---debian-hand-tuned">Tech - Debian, hand-tuned</h1>
  218. <ul>
  219. <li>select package profile(s)</li>
  220. <li>select additional packages</li>
  221. <li>install</li>
  222. <li>(re)configure packages</li>
  223. </ul>
  224. </div>
  225. <div class="slide">
  226. <h1 id="tech---debian-auto-tuned">Tech - Debian, auto-tuned</h1>
  227. <ul>
  228. <li>pre-seed package selection</li>
  229. <li>pre-seed package configurations</li>
  230. <li>install</li>
  231. <li>(re)configure non-debconf packages</li>
  232. </ul>
  233. </div>
  234. <div class="slide">
  235. <h1 id="tech---debian-pure-blend-generic">Tech - Debian Pure Blend = generic</h1>
  236. <ul>
  237. <li>select blend profile</li>
  238. <li>install</li>
  239. </ul>
  240. </div>
  241. <div class="slide">
  242. <h1 id="tech---tasks-involved">Tech - tasks involved</h1>
  243. <ul>
  244. <li>extra software → into Debian officially</li>
  245. <li>manual configurations → preseeding</li>
  246. <li>maybe create temporary dirty hacks</li>
  247. <li>maybe use/create reusable tweaks</li>
  248. <li>eliminate dirty hacks and tweaks</li>
  249. <li>convince others in Debian to add as tasksel task</li>
  250. </ul>
  251. </div>
  252. <div class="slide">
  253. <h1 id="tech---blends-dev">Tech - blends-dev</h1>
  254. <p>Tool to help maintain package lists and prospective packages.</p>
  255. <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>
  256. </div>
  257. <div class="slide">
  258. <h1 id="tech---dirty-tricks">Tech - dirty tricks</h1>
  259. <p>Avoid configuration files...</p>
  260. <ul>
  261. <li>config.d folders</li>
  262. <li>databases</li>
  263. <li>networked data</li>
  264. </ul>
  265. </div>
  266. <div class="slide">
  267. <h1 id="tech---tweaks">Tech - tweaks</h1>
  268. <p>Reusable scripts compatible with one or more of...</p>
  269. <ul>
  270. <li>FAI</li>
  271. <li>hands-off at http://hands.com/d-i/</li>
  272. <li>CFengine</li>
  273. <li>Puppet</li>
  274. </ul>
  275. </div>
  276. <div class="slide">
  277. <h1 id="tech---good-style">Tech - good style</h1>
  278. <ul>
  279. <li>Aptitude</li>
  280. <li>debconf</li>
  281. <li>Config::Model</li>
  282. </ul>
  283. </div>
  284. <div class="slide">
  285. <h1 id="tech---when-is-it-pure">Tech - When is it &quot;Pure&quot;?</h1>
  286. <p>When all is in Debian, with no dirty tricks:</p>
  287. <ul>
  288. <li>package selection(s)</li>
  289. <li>customizations</li>
  290. <li>installation</li>
  291. </ul>
  292. </div>
  293. <div class="slide">
  294. <h1 id="team---getting-involved">Team - getting involved</h1>
  295. <ul>
  296. <li>identify and isolate tweaks at your own system</li>
  297. <li>register missing software - on wiki page or (better!) in Debian BTS</li>
  298. <li>write documentation</li>
  299. <li>write the dream of how things ought to work</li>
  300. <li>wite how details work now</li>
  301. <li>discuss downstream (i.e. with users and subdistros) how things work / should work</li>
  302. <li>discuss upstream (i.e. with authors) what is possible now / soon</li>
  303. </ul>
  304. </div>
  305. <div class="slide">
  306. <h1 id="team---getting-involved-ii">Team - getting involved II</h1>
  307. <ul>
  308. <li>write intro for peer enthusiasts</li>
  309. <li>decide and document ideal formats - translations, graphics etc.</li>
  310. <li>prioritize pending tasks - of various kinds to encourage many different contributions</li>
  311. <li>document where it is ok to ask beginners' questions</li>
  312. <li>document if beginners can ask for a mentor</li>
  313. </ul>
  314. </div>
  315. <div class="slide">
  316. <h1 id="team---getting-involved-iii">Team - getting involved III</h1>
  317. <ul>
  318. <li>make illustration</li>
  319. <li>make screendumps</li>
  320. <li>make fan graphics</li>
  321. <li>make desktop backgrounds, CD covers, stickers, etc.</li>
  322. <li>Register the project as a DOAP file, and maybe at Ohloh and Freshmeat etc.</li>
  323. <li>Register and maintain relevant Debtags</li>
  324. </ul>
  325. </div>
  326. <div class="slide">
  327. <h1 id="team---getting-involved-iv">Team - getting involved IV</h1>
  328. <ul>
  329. <li>Translate package descriptions</li>
  330. <li>Translate debconf dialogs</li>
  331. <li>Translate upstream code</li>
  332. </ul>
  333. </div>
  334. <div class="slide">
  335. <h1 id="team---getting-involved-v">Team - getting involved V</h1>
  336. <ul>
  337. <li>Help integrate contributions from graphics artists, translators and others</li>
  338. <li>document decision processes of the team (and Debian and upstreams?)</li>
  339. <li>document workflows in teams</li>
  340. <li>insist on transparency - not only for code!</li>
  341. </ul>
  342. </div>
  343. <div class="slide">
  344. <h1 id="team---continuous-status-checks">Team - Continuous status checks</h1>
  345. <ul>
  346. <li>Ask users about their needs - you will forget over time!</li>
  347. <li>Ask teams about their tasks - each participant has slightly different perception of the common vision and status</li>
  348. <li>Ask upstreams about use: perhaps potentials are missed, or code or persons feel as being abused</li>
  349. </ul>
  350. </div>
  351. <div class="slide">
  352. <h1 id="debian-pure-blends---future">Debian Pure Blends - Future</h1>
  353. <ul>
  354. <li>debconf dontcare vs. explicit choice of default option</li>
  355. <li>debconf query mechanism (and fill buffer from live system)</li>
  356. <li>APT explicit choice of alternate dependency/recommendation</li>
  357. <li>APT dontcare vs. explicit choice of default dependency/recommendation</li>
  358. <li>Config::Model - semantic configfile handling</li>
  359. </ul>
  360. </div>
  361. <div class="slide">
  362. <h1 id="final-words...">Final words...</h1>
  363. <p>Be <strong>passionate</strong>!</p>
  364. <p><strong>Share</strong> your passion!</p>
  365. </div>
  366. <div class="slide">
  367. <h1 id="final-words...-1">Final words...</h1>
  368. <p>Be <strong>passionate</strong>!</p>
  369. <p><strong>Share</strong> your passion!</p>
  370. <p>This talk: <a href="http://dr.jones.dk/blends/talk/khammam/"><code class="url">http://dr.jones.dk/blends/talk/khammam/</code></a></p>
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