Solo Operating System Image (SOSI) Downloads

The latest SOSI is:

sosi-2022-03-24.img.zip

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  name       : sosi-2022-03-24.img
  raspbian   : This SOSI is based on 2022-01-28-raspios-bullseye-armhf-lite.img
  sha1sum    : 8a8756ac7e83cc764f4f24c547e9754cda57c39e  sosi-2022-03-24.img.zip
  size       : 576MB
  exact size : 604407188
  solo       : git rev-parse HEAD: dcad321ed43065cc7c31345275cece2906de8652
  amon       : git rev-parse HEAD: 07c2d5d6d1aa149926bf92448d37e4d6359b0afe
  buildtime  : 2022-03-24.10-58-21
  This release includes:
     new underlying raspios version
     wiringpi has gone, so no wittypi support.
--------------------------------

Older Releases

sosi-2019-09-20.img.zip

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  name       : sosi-2019-09-20.img
  raspbian   : This SOSI is based on 2019-07-10-raspbian-buster-lite.img
  sha1sum    : 124d24171b668ad8e4d5308b9bf1ec4a0b6fb682  sosi-2019-09-20.img.zip
  size       : 583MB
  exact size : 612046787
  solo       : git rev-parse HEAD: c372702750331fde98cc959b10ba8cf3f82a7a38
  amon       : git rev-parse HEAD: 07c2d5d6d1aa149926bf92448d37e4d6359b0afe
  buildtime  : 2019-09-20.08-51-51
  This release includes:
    New Calendar: "twice a day.py", and supporting library pytz
--------------------------------

sosi-2019-07-26.img.zip

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  name       : sosi-2019-07-26.img
  raspbian   : This SOSI is based on 2019-07-10-raspbian-buster-lite.img
  sha1sum    : 4ff3d72bf7b8746f894dd4b806d932f6655a2290  sosi-2019-07-26.img.zip
  size       : 554MB
  exact size : 581788514
  solo       : git rev-parse HEAD: 66a6cc4d8f8267f079df4b1171f4d40097ef9d61
  amon       : git rev-parse HEAD: 8f01adc1c1f22eefe4823f7c0f4fc3171c53ecf1
  buildtime  : 2019-07-26.10-57-14
  This release includes:
    Based on new raspbian buster
    Improved Witty-Pi2 initialisation and logging.
--------------------------------

sosi-2019-06-18.img.zip

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  name       : sosi-2019-06-18.img
  raspbian   : This SOSI is based on 2019-04-08-raspbian-stretch-lite.img
  sha1sum    : 99c442c3226db1b1beb119d6f16b1d933fd88498  sosi-2019-06-18.img.zip
  size       : 436MB
  exact size : 457823974
  solo       : git rev-parse HEAD: 375c557d50954943674f6c7a012c610c7373a8da
  amon       : git rev-parse HEAD: fa3432c620e40b4844195cad35b561b1980f0bf5
  buildtime  : 2019-06-18.18-47-06
  This release includes:
       Support for new soundcard: Sound Blaster X-Fi Go! Pro USB dongle
       Support for new soundcard: Dodotronic UltraMic 384kHz
       New hardware now user-supportable through /boot/audioconf/*.conf 
       Based on latest raspbian release: 2019-04-08-raspbian-stretch-lite.img
--------------------------------

sosi-2019-03-06.img.zip

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  name       : sosi-2019-03-06.img
  raspbian   : This SOSI is based on 2018-11-13-raspbian-stretch-lite.img
  sha1sum    : ce62660aa6d5089b66098ffc326c40d573fe4c4f  sosi-2019-03-06.img.zip
  size       : 399MB
  exact size : 419033742
  solo       : git rev-parse HEAD: 0d17668fa8039c7936e448a7a6e7c3cb7a80422c
  amon       : git rev-parse HEAD: c9eab0ede46b792e941dc8fb6cc0a16de6325642
  buildtime  : 2019-03-06.17-34-32
  This release includes:
    nothing interesting - just keeping up with underlying raspbian release (2018-11-13-raspbian-stretch-lite.img)
--------------------------------

sosi-2018-10-23.img.zip

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  name       : sosi-2018-10-23.img
  raspbian   : This SOSI is based on 2018-10-09-raspbian-stretch-lite.img
  sha1sum    : 1059e1e9fb9f82263e110c02d130a067b3b5a939  sosi-2018-10-23.img.zip
  size       : 410MB
  exact size : 430239480
  solo       : git rev-parse HEAD: 189d5985de81f6d532c69a0cd4dffa3b97384e27
  amon       : git rev-parse HEAD: ad1774308b03070b47f7cf4cadcdbbced71a3bf7
  buildtime  : 2018-10-23.08-14-50
  This release includes:
    nothing interesting - just keeping up with underlying raspbian release.
--------------------------------

sosi-2018-10-18.img.zip

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  name       : sosi-2018-10-18.img
  raspbian   : This SOSI is based on 2018-06-27-raspbian-stretch-lite.img
  sha1sum    : 9e4758735ac11159c720e1c00355d134465fa62c  sosi-2018-10-18.img.zip
  size       : 396MB
  exact size : 415700743
  solo       : git rev-parse HEAD: 189d5985de81f6d532c69a0cd4dffa3b97384e27
  amon       : git rev-parse HEAD: ad1774308b03070b47f7cf4cadcdbbced71a3bf7
  buildtime  : 2018-10-18.09-31-52
  This release includes:
    Bugfixes to witty pi 2 support and calendars.
--------------------------------

sosi-2018-09-08.img.zip

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  name       : sosi-2018-09-08.img
  raspbian   : This SOSI is based on 2018-06-27-raspbian-stretch-lite.img
  sha1sum    : 3bd7ed67e4651c88afab2281cb27acd54ef59d52  sosi-2018-09-08.img.zip
  size       : 397MB
  exact size : 417031051
  solo       : git rev-parse HEAD: 8710a5ea1a9569bb93eaeea4c889229b3bb82e84
  amon       : git rev-parse HEAD: 93979c370b4f017bad03df00d7494cf535418bce
  buildtime  : 2018-09-08.15-35-00
  This release includes:
    Support for Witty Pi 2
--------------------------------

sosi-2018-07-27.img.zip

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  name       : sosi-2018-07-27.img
  raspbian   :  This SOSI is based on 2018-06-27-raspbian-stretch-lite.img
  sha1sum    : f304050c061e8471ef83226d11e2197d221d05a5  sosi-2018-07-27.img.zip
  size       : 365MB
  exact size : 383593400
  solo       : git rev-parse HEAD: 9cde6c685ee7f52e0c4e39eff666ead6d276fceb
  amon       : git rev-parse HEAD: 53cd432a8c1695a13f699a103dfcb790960c2e98
  This release includes:
     Based on new raspbian release dated 2018-06-27.
     Improved dodotronic microphone support.
     runs alsa-{libs,utils} version 1.1.6 (for high sample rate recording).
     cleaner logging
--------------------------------

sosi-2018-04-08.img.zip

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  name       : sosi-2018-04-08.img
  raspbian   :  This SOSI is based on 2017-11-29-raspbian-stretch-lite.img
  sha1sum    : 8c5ae84531c00a0056bddf2c669744f084909101  sosi-2018-04-08.img.zip
  size       : 315MB
  exact size : 330519604
  solo       : git rev-parse HEAD: 1851ab556971a38fc067d42355464a5ff49b2812
  amon       : git rev-parse HEAD: 2c2474c8e947c8e8ea4546af711235134f4cc61d
  This release includes:
    Nothing new - just keeping up with upstream raspian releases.
--------------------------------

sosi-2017-11-05.img.zip


  name       : sosi-2017-11-05.img
  raspbian   :  This SOSI is based on 2017-08-16-raspbian-stretch-lite.img
  sha1sum    : 5f2f73da24028e6770823a7a56bf71885f2cddd4  sosi-2017-11-05.img.zip
  size       : 315MB
  exact size : 330469836
  solo       : git rev-parse HEAD: 4c784d08e5d2ccf19fe3f65de5b36da679846dee
  amon       : git rev-parse HEAD: 2c2474c8e947c8e8ea4546af711235134f4cc61d
  This release includes:
     Better documentation in amon.conf for volume settings on SB2 and 3
     Smaller size.


sosi-2017-08-24.img.zip

  name: sosi-2017-08-24.img
  sha1sum    : 7adc7f6306825f097603ebc4bcc97bf2da3d6cb3  sosi-2017-08-24.img.zip
  size       : 377MB
  exact size : 395601416
  solo: git rev-parse HEAD: 93e698de70975222fe1f74733a9632c12e793486
  amon: git rev-parse HEAD: 4d77dc1e01b02d49184f501d9783cbefb4e84791
  raspbian:  This SOSI is based on 2017-08-16-raspbian-stretch-lite.img
  This release includes:
       Support for "Sound Blaster Play! 3" USB sound card. 
       This version is based on new Raspbian Stretch.

sosi-2017-06-14.img.zip

  name: sosi-2017-06-14.img
  sha1sum    : 14a9a8f80b66acc65f0113a49ce5b9055382bce7  sosi-2017-06-14.img.zip
  size       : 302MB
  exact size : 316834990
  solo: git rev-parse HEAD: a00aaeceb9fed6af7f621cadc6d99c3d786b8180
  amon: git rev-parse HEAD: eb227b788ec8ba0ffcdcd65220e893657e169cae
  This release includes:
       Support for "Sound Blaster Play! 2" USB sound card. 
       https://uk.creative.com/p/sound-blaster/sound-blaster-play-2

sosi-2016-09-18.img.zip

  name: sosi-2016-09-18.img
  sha1sum    : b988c7dcfef8565599151378e63deddf823f6a44  sosi-2016-09-18.img.zip
  size       : 305MB
  exact size : 320216909
  solo: git rev-parse HEAD: 098d557817bb1c1ba07607b0208a62f3dfcca910
  amon: git rev-parse HEAD: 5e49abe561cb40b134951456c02c550720017519
  This release includes:
    New Linux kernel (4.4.14+)
    Calendar support
    USB microphone support - Dodotronic Ultramic 200K and Blue Snowflake
    many other smaller fixes and improvements...

sosi-2016-06-23.img.zip
sosi-2016-06-20.img.zip
sosi-2016-06-05.img.zip