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+% Debian Pure Blends - hacking in your parents' house
+% Jonas Smedegaard
+% Nitte, Mangalore, October 28th, 2011
+
+# Overview
+
+ * Me and Asia
+ * Tricky terms
+ * FLOSS Eco System
+ * Debian - distro & community
+ * Customizing Debian
+
+# Me and Asia
+
+![Asia trip](../map.png)
+
+# Tricky terms
+
+FLOSS: **F**ree/**L**ibre **O**pen **S**ource **S**oftware.
+
+Hacking: Being creative with small pieces -- like playing with Lego.
+
+Cracking: Breaking digital "locks", typically to steal digital data.
+
+# FLOSS Eco System
+
+![Software Code Stream](../developmentstream.png)
+
+# Debian - distro & community
+
+ * Community
+ * Distribution
+ * Free!
+
+# Debian - Community
+
+ * ~1000 "Developers"
+ * ~500 "Maintainers"
+ * ??? actual contributors...
+
+# Debian - Community structure
+
+ * Democracy
+
+# Debian - Community structure
+
+ * ~~Democracy~~
+ * We all obey Debian Free Software Guidelines
+ * Almost no hierarchy: Each package maintainer responsible
+
+# Debian - Distribution
+
+ * Generic - choices are exposed to the user
+ * Mother of other distros
+
+# Debian packages
+
+ * They all obey Debian Policy
+ * Mozilla Iceweasel (Firefox): ~3 packages (+ ~70 lang packages)
+ * LibreOffice: ~30 packages (+ ~90 lang packages)
+ * Debian: ~35.000 packages
+
+# Debian packaging - Mentors + sponsoring
+
+ * Peer review - many eyes see more bugs
+ * Education - Debian quality standards
+ * Ideals transfer - get help on packaging
+ * Mailinglist: <mailto:debian-mentors@lists.debian.org>
+ * IRC channel on OFTC.net: \#debian-mentors
+ * Website: <http://mentors.debian.net/>
+
+# Debian packaging - Join teams
+
+ * Peer review - many eyes see more bugs
+ * Education - Debian quality standards
+ * Ideals transfer - get help on packaging
+ * Wiki page: <http://wiki.debian.org/Teams>
+
+# Debian - derivatives
+
+ * Knoppix
+ * Ubuntu
+ * BOSS
+ * SWECHA
+ * ...
+
+# Debian deriving
+
+ * Try use **live-builder**...
+
+# Debian - blends
+
+ * Optimizing Debian itself for special purpose use
+
+or
+
+ * Merging back derived work into Debian
+
+# Debian - existing blends
+
+  * Debian Jr
+  * Debian Med
+  * Debian Edu
+  * Debian Science
+  * Debian EzGo
+  * BrDesktop
+  * Debian Accessibility
+  * Debian Lex
+  * DebiChem
+  * Debian GIS
+  * Debian Multimedia
+
+# Debian - future blends
+
+  * FreedomBox
+  * Debian LAN
+  * BOSS?
+  * SWECHA?
+  * ...?
+
+# Debian blending
+
+  * Join existing teams
+  * Convince Debian Developers to create new teams
+  * Try use **boxer**
+
+# 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
+
+# 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
+
+# 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
+
+# The End
+
+ * Me: <dr@jones.dk>
+ * Debian: <http://www.debian.org>
+ * Debian Derivatives Census: <http://wiki.debian.org/Derivatives/Census>
+ * This talk: <http://dr.jones.dk/blends/talk/mangalore>
+ * Illustrations: <http://sirireiter.dk/blog/entry/110310/>
+ * Asia trip: <http://wiki.jones.dk/DebianAsia2011>