blog/Lets_make_hardware_dongles_easier_to_use_in_Debian.html

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   6     <title>Petter Reinholdtsen: Lets make hardware dongles easier to use in Debian</title>
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  14  <h1>
  15      <a href="http://people.skolelinux.org/pere/blog/">Petter Reinholdtsen</a>
  16
  17  </h1>
  18
  19 </div>
  20
  21
  22     <div class="entry">
  23       <div class="title">Lets make hardware dongles easier to use in Debian</div>
  24       <div class="date"> 9th January 2013</div>
  25       <div class="body"><p>One thing that annoys me with Debian and Linux distributions in
  26 general, is that there is a great package management system with the
  27 ability to automatically install software packages by downloading them
  28 from the distribution mirrors, but no way to get it to automatically
  29 install the packages I need to use the hardware I plug into my
  30 machine.  Even if the package to use it is easily available from the
  31 Linux distribution.  When I plug in a LEGO Mindstorms NXT, it could
  32 suggest to automatically install the python-nxt, nbc and t2n packages
  33 I need to talk to it.  When I plug in a Yubikey, it could propose the
  34 yubikey-personalization package.  The information required to do this
  35 is available, but no-one have pulled all the pieces together.</p>
  36
  37 <p>Some years ago, I proposed to
  38 <a href="http://lists.debian.org/debian-devel/2010/05/msg01206.html">use
  39 the discover subsystem to implement this</a>.  The idea is fairly
  40 simple:
  41
  42 <ul>
  43
  44 <li>Add a desktop entry in /usr/share/autostart/ pointing to a program
  45   starting when a user log in.</li>
  46
  47 <li>Set this program up to listen for kernel events emitted when new
  48   hardware is inserted into the computer.</li>
  49
  50 <li>When new hardware is inserted, look up the hardware ID in a
  51   database mapping to packages, and take note of any non-installed
  52   packages.</li>
  53
  54 <li>Show a message to the user proposing to install the discovered
  55   package, and make it easy to install it.</li>
  56
  57 </ul>
  58
  59 <p>I am not sure what the best way to implement this is, but my
  60 initial idea was to use dbus events to discover new hardware, the
  61 discover database to find packages and
  62 <a href="http://www.packagekit.org/">PackageKit</a> to install
  63 packages.</p>
  64
  65 <p>Yesterday, I found time to try to implement this idea, and the
  66 draft package is now checked into
  67 <a href="http://anonscm.debian.org/viewvc/debian-edu/trunk/src/hw-support-handler/">the
  68 Debian Edu subversion repository</a>.  In the process, I updated the
  69 <a href="http://packages.qa.debian.org/d/discover-data.html">discover-data</a>
  70 package to map the USB ids of LEGO Mindstorms and Yubikey devices to
  71 the relevant packages in Debian, and uploaded a new version
  72 2.2013.01.09 to unstable.  I also discovered that the current
  73 <a href="http://packages.qa.debian.org/d/discover.html">discover</a>
  74 package in Debian no longer discovered any USB devices, because
  75 /proc/bus/usb/devices is no longer present.  I ported it to use
  76 libusb as a fall back option to get it working.  The fixed package
  77 version 2.1.2-6 is now in experimental (didn't upload it to unstable
  78 because of the freeze).</p>
  79
  80 <p>With this prototype in place, I can insert my Yubikey, and get this
  81 desktop notification to show up (only once, the first time it is
  82 inserted):</p>
  83
  84 <p align="center"><img src="http://people.skolelinux.org/pere/blog/images/2013-01-09-hw-autoinstall.png"></p>
  85
  86 <p>For this prototype to be really useful, some way to automatically
  87 install the proposed packages by pressing the "Please install
  88 program(s)" button should to be implemented.</p>
  89
  90 <p>If this idea seem useful to you, and you want to help make it
  91 happen, please help me update the discover-data database with mappings
  92 from hardware to Debian packages.  Check if 'discover-pkginstall -l'
  93 list the package you would like to have installed when a given
  94 hardware device is inserted into your computer, and report bugs using
  95 reportbug if it isn't.  Or, if you know of a better way to provide
  96 such mapping, please let me know.</p>
  97
  98 <p>This prototype need more work, and there are several questions that
  99 should be considered before it is ready for production use.  Is dbus
 100 the correct way to detect new hardware?  At the moment I look for HAL
 101 dbus events on the system bus, because that is the events I could see
 102 on my Debian Squeeze KDE desktop.  Are there better events to use?
 103 How should the user be notified?  Is the desktop notification
 104 mechanism the best option, or should the background daemon raise a
 105 popup instead?  How should packages be installed?  When should they
 106 not be installed?</p>
 107
 108 <p>If you want to help getting such feature implemented in Debian,
 109 please send me an email. :)</p>
 110 </div>
 111
 112       <div class="tags">Tags: <a href="http://people.skolelinux.org/pere/blog/tags/debian">debian</a>, <a href="http://people.skolelinux.org/pere/blog/tags/english">english</a>, <a href="http://people.skolelinux.org/pere/blog/tags/isenkram">isenkram</a>.</div>
 113
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 115     </div>
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 120     <div id="sidebar">
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 124 <h2>Archive</h2>
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 224
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 226
 227 <li>2015
 228 <ul>
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 251
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 253
 254 </ul></li>
 255
 256 <li>2014
 257 <ul>
 258
 259 <li><a href="http://people.skolelinux.org/pere/blog/archive/2014/01/">January (2)</a></li>
 260
 261 <li><a href="http://people.skolelinux.org/pere/blog/archive/2014/02/">February (3)</a></li>
 262
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 280
 281 <li><a href="http://people.skolelinux.org/pere/blog/archive/2014/12/">December (5)</a></li>
 282
 283 </ul></li>
 284
 285 <li>2013
 286 <ul>
 287
 288 <li><a href="http://people.skolelinux.org/pere/blog/archive/2013/01/">January (11)</a></li>
 289
 290 <li><a href="http://people.skolelinux.org/pere/blog/archive/2013/02/">February (9)</a></li>
 291
 292 <li><a href="http://people.skolelinux.org/pere/blog/archive/2013/03/">March (9)</a></li>
 293
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 295
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 299
 300 <li><a href="http://people.skolelinux.org/pere/blog/archive/2013/07/">July (7)</a></li>
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 303
 304 <li><a href="http://people.skolelinux.org/pere/blog/archive/2013/09/">September (5)</a></li>
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 306 <li><a href="http://people.skolelinux.org/pere/blog/archive/2013/10/">October (7)</a></li>
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 309
 310 <li><a href="http://people.skolelinux.org/pere/blog/archive/2013/12/">December (3)</a></li>
 311
 312 </ul></li>
 313
 314 <li>2012
 315 <ul>
 316
 317 <li><a href="http://people.skolelinux.org/pere/blog/archive/2012/01/">January (7)</a></li>
 318
 319 <li><a href="http://people.skolelinux.org/pere/blog/archive/2012/02/">February (10)</a></li>
 320
 321 <li><a href="http://people.skolelinux.org/pere/blog/archive/2012/03/">March (17)</a></li>
 322
 323 <li><a href="http://people.skolelinux.org/pere/blog/archive/2012/04/">April (12)</a></li>
 324
 325 <li><a href="http://people.skolelinux.org/pere/blog/archive/2012/05/">May (12)</a></li>
 326
 327 <li><a href="http://people.skolelinux.org/pere/blog/archive/2012/06/">June (20)</a></li>
 328
 329 <li><a href="http://people.skolelinux.org/pere/blog/archive/2012/07/">July (17)</a></li>
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 331 <li><a href="http://people.skolelinux.org/pere/blog/archive/2012/08/">August (6)</a></li>
 332
 333 <li><a href="http://people.skolelinux.org/pere/blog/archive/2012/09/">September (9)</a></li>
 334
 335 <li><a href="http://people.skolelinux.org/pere/blog/archive/2012/10/">October (17)</a></li>
 336
 337 <li><a href="http://people.skolelinux.org/pere/blog/archive/2012/11/">November (10)</a></li>
 338
 339 <li><a href="http://people.skolelinux.org/pere/blog/archive/2012/12/">December (7)</a></li>
 340
 341 </ul></li>
 342
 343 <li>2011
 344 <ul>
 345
 346 <li><a href="http://people.skolelinux.org/pere/blog/archive/2011/01/">January (16)</a></li>
 347
 348 <li><a href="http://people.skolelinux.org/pere/blog/archive/2011/02/">February (6)</a></li>
 349
 350 <li><a href="http://people.skolelinux.org/pere/blog/archive/2011/03/">March (6)</a></li>
 351
 352 <li><a href="http://people.skolelinux.org/pere/blog/archive/2011/04/">April (7)</a></li>
 353
 354 <li><a href="http://people.skolelinux.org/pere/blog/archive/2011/05/">May (3)</a></li>
 355
 356 <li><a href="http://people.skolelinux.org/pere/blog/archive/2011/06/">June (2)</a></li>
 357
 358 <li><a href="http://people.skolelinux.org/pere/blog/archive/2011/07/">July (7)</a></li>
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 360 <li><a href="http://people.skolelinux.org/pere/blog/archive/2011/08/">August (6)</a></li>
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 362 <li><a href="http://people.skolelinux.org/pere/blog/archive/2011/09/">September (4)</a></li>
 363
 364 <li><a href="http://people.skolelinux.org/pere/blog/archive/2011/10/">October (2)</a></li>
 365
 366 <li><a href="http://people.skolelinux.org/pere/blog/archive/2011/11/">November (3)</a></li>
 367
 368 <li><a href="http://people.skolelinux.org/pere/blog/archive/2011/12/">December (1)</a></li>
 369
 370 </ul></li>
 371
 372 <li>2010
 373 <ul>
 374
 375 <li><a href="http://people.skolelinux.org/pere/blog/archive/2010/01/">January (2)</a></li>
 376
 377 <li><a href="http://people.skolelinux.org/pere/blog/archive/2010/02/">February (1)</a></li>
 378
 379 <li><a href="http://people.skolelinux.org/pere/blog/archive/2010/03/">March (3)</a></li>
 380
 381 <li><a href="http://people.skolelinux.org/pere/blog/archive/2010/04/">April (3)</a></li>
 382
 383 <li><a href="http://people.skolelinux.org/pere/blog/archive/2010/05/">May (9)</a></li>
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 385 <li><a href="http://people.skolelinux.org/pere/blog/archive/2010/06/">June (14)</a></li>
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 387 <li><a href="http://people.skolelinux.org/pere/blog/archive/2010/07/">July (12)</a></li>
 388
 389 <li><a href="http://people.skolelinux.org/pere/blog/archive/2010/08/">August (13)</a></li>
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 395 <li><a href="http://people.skolelinux.org/pere/blog/archive/2010/11/">November (13)</a></li>
 396
 397 <li><a href="http://people.skolelinux.org/pere/blog/archive/2010/12/">December (12)</a></li>
 398
 399 </ul></li>
 400
 401 <li>2009
 402 <ul>
 403
 404 <li><a href="http://people.skolelinux.org/pere/blog/archive/2009/01/">January (8)</a></li>
 405
 406 <li><a href="http://people.skolelinux.org/pere/blog/archive/2009/02/">February (8)</a></li>
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 408 <li><a href="http://people.skolelinux.org/pere/blog/archive/2009/03/">March (12)</a></li>
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 410 <li><a href="http://people.skolelinux.org/pere/blog/archive/2009/04/">April (10)</a></li>
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 412 <li><a href="http://people.skolelinux.org/pere/blog/archive/2009/05/">May (9)</a></li>
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 414 <li><a href="http://people.skolelinux.org/pere/blog/archive/2009/06/">June (3)</a></li>
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 416 <li><a href="http://people.skolelinux.org/pere/blog/archive/2009/07/">July (4)</a></li>
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 418 <li><a href="http://people.skolelinux.org/pere/blog/archive/2009/08/">August (3)</a></li>
 419
 420 <li><a href="http://people.skolelinux.org/pere/blog/archive/2009/09/">September (1)</a></li>
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 422 <li><a href="http://people.skolelinux.org/pere/blog/archive/2009/10/">October (2)</a></li>
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 424 <li><a href="http://people.skolelinux.org/pere/blog/archive/2009/11/">November (3)</a></li>
 425
 426 <li><a href="http://people.skolelinux.org/pere/blog/archive/2009/12/">December (3)</a></li>
 427
 428 </ul></li>
 429
 430 <li>2008
 431 <ul>
 432
 433 <li><a href="http://people.skolelinux.org/pere/blog/archive/2008/11/">November (5)</a></li>
 434
 435 <li><a href="http://people.skolelinux.org/pere/blog/archive/2008/12/">December (7)</a></li>
 436
 437 </ul></li>
 438
 439 </ul>
 440
 441
 442
 443 <h2>Tags</h2>
 444 <ul>
 445
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 455
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 459
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 463
 464  <li><a href="http://people.skolelinux.org/pere/blog/tags/debian">debian (168)</a></li>
 465
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 467
 468  <li><a href="http://people.skolelinux.org/pere/blog/tags/debian-handbook">debian-handbook (4)</a></li>
 469
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 471
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 473
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 482  <li><a href="http://people.skolelinux.org/pere/blog/tags/fildeling">fildeling (14)</a></li>
 483
 484  <li><a href="http://people.skolelinux.org/pere/blog/tags/freeculture">freeculture (34)</a></li>
 485
 486  <li><a href="http://people.skolelinux.org/pere/blog/tags/freedombox">freedombox (9)</a></li>
 487
 488  <li><a href="http://people.skolelinux.org/pere/blog/tags/frikanalen">frikanalen (20)</a></li>
 489
 490  <li><a href="http://people.skolelinux.org/pere/blog/tags/h264">h264 (20)</a></li>
 491
 492  <li><a href="http://people.skolelinux.org/pere/blog/tags/intervju">intervju (42)</a></li>
 493
 494  <li><a href="http://people.skolelinux.org/pere/blog/tags/isenkram">isenkram (16)</a></li>
 495
 496  <li><a href="http://people.skolelinux.org/pere/blog/tags/kart">kart (22)</a></li>
 497
 498  <li><a href="http://people.skolelinux.org/pere/blog/tags/kodi">kodi (4)</a></li>
 499
 500  <li><a href="http://people.skolelinux.org/pere/blog/tags/ldap">ldap (9)</a></li>
 501
 502  <li><a href="http://people.skolelinux.org/pere/blog/tags/lego">lego (4)</a></li>
 503
 504  <li><a href="http://people.skolelinux.org/pere/blog/tags/lenker">lenker (8)</a></li>
 505
 506  <li><a href="http://people.skolelinux.org/pere/blog/tags/lsdvd">lsdvd (2)</a></li>
 507
 508  <li><a href="http://people.skolelinux.org/pere/blog/tags/ltsp">ltsp (1)</a></li>
 509
 510  <li><a href="http://people.skolelinux.org/pere/blog/tags/mesh network">mesh network (8)</a></li>
 511
 512  <li><a href="http://people.skolelinux.org/pere/blog/tags/multimedia">multimedia (42)</a></li>
 513
 514  <li><a href="http://people.skolelinux.org/pere/blog/tags/nice free software">nice free software (12)</a></li>
 515
 516  <li><a href="http://people.skolelinux.org/pere/blog/tags/noark5">noark5 (16)</a></li>
 517
 518  <li><a href="http://people.skolelinux.org/pere/blog/tags/norsk">norsk (306)</a></li>
 519
 520  <li><a href="http://people.skolelinux.org/pere/blog/tags/nuug">nuug (196)</a></li>
 521
 522  <li><a href="http://people.skolelinux.org/pere/blog/tags/offentlig innsyn">offentlig innsyn (37)</a></li>
 523
 524  <li><a href="http://people.skolelinux.org/pere/blog/tags/open311">open311 (2)</a></li>
 525
 526  <li><a href="http://people.skolelinux.org/pere/blog/tags/opphavsrett">opphavsrett (73)</a></li>
 527
 528  <li><a href="http://people.skolelinux.org/pere/blog/tags/personvern">personvern (109)</a></li>
 529
 530  <li><a href="http://people.skolelinux.org/pere/blog/tags/raid">raid (2)</a></li>
 531
 532  <li><a href="http://people.skolelinux.org/pere/blog/tags/reactos">reactos (1)</a></li>
 533
 534  <li><a href="http://people.skolelinux.org/pere/blog/tags/reprap">reprap (11)</a></li>
 535
 536  <li><a href="http://people.skolelinux.org/pere/blog/tags/rfid">rfid (3)</a></li>
 537
 538  <li><a href="http://people.skolelinux.org/pere/blog/tags/robot">robot (12)</a></li>
 539
 540  <li><a href="http://people.skolelinux.org/pere/blog/tags/rss">rss (1)</a></li>
 541
 542  <li><a href="http://people.skolelinux.org/pere/blog/tags/ruter">ruter (7)</a></li>
 543
 544  <li><a href="http://people.skolelinux.org/pere/blog/tags/scraperwiki">scraperwiki (2)</a></li>
 545
 546  <li><a href="http://people.skolelinux.org/pere/blog/tags/sikkerhet">sikkerhet (56)</a></li>
 547
 548  <li><a href="http://people.skolelinux.org/pere/blog/tags/sitesummary">sitesummary (4)</a></li>
 549
 550  <li><a href="http://people.skolelinux.org/pere/blog/tags/skepsis">skepsis (5)</a></li>
 551
 552  <li><a href="http://people.skolelinux.org/pere/blog/tags/standard">standard (65)</a></li>
 553
 554  <li><a href="http://people.skolelinux.org/pere/blog/tags/stavekontroll">stavekontroll (6)</a></li>
 555
 556  <li><a href="http://people.skolelinux.org/pere/blog/tags/stortinget">stortinget (12)</a></li>
 557
 558  <li><a href="http://people.skolelinux.org/pere/blog/tags/surveillance">surveillance (56)</a></li>
 559
 560  <li><a href="http://people.skolelinux.org/pere/blog/tags/sysadmin">sysadmin (4)</a></li>
 561
 562  <li><a href="http://people.skolelinux.org/pere/blog/tags/usenix">usenix (2)</a></li>
 563
 564  <li><a href="http://people.skolelinux.org/pere/blog/tags/valg">valg (9)</a></li>
 565
 566  <li><a href="http://people.skolelinux.org/pere/blog/tags/verkidetfri">verkidetfri (15)</a></li>
 567
 568  <li><a href="http://people.skolelinux.org/pere/blog/tags/video">video (73)</a></li>
 569
 570  <li><a href="http://people.skolelinux.org/pere/blog/tags/vitenskap">vitenskap (4)</a></li>
 571
 572  <li><a href="http://people.skolelinux.org/pere/blog/tags/web">web (42)</a></li>
 573
 574 </ul>
 575
 576
 577     </div>
 578     <p style="text-align: right">
 579  Created by <a href="http://steve.org.uk/Software/chronicle">Chronicle v4.6</a>
 580 </p>
 581
 582   </body>
 583 </html>