User-level threads....... with threads. - Paul Turner - Google

How to make an animated gif from an video in Linux

http://lizquilty.com/2013/06/17/how-to-make-an-animated-gif-from-an-video-in-linux/

Web Server Bottlenecks And Performance Tuning

X-Accel-Redirect

recordmydesktop

sudo apt-get  install gtk-recordmydesktop
recordmydesktop --no-sound -o new.ogg

Python видео и слайды с конференций

Python:
http://pyvideo.org/  http://pyvideo.ru/
EuroPython 2012 http://lanyrd.com/2012/europython/coverage/
ekbPy: http://video.yandex.by/#search?text=ekbpy http://ekbpy.ru/materialy/ (ru)
Kyiv.py http://habrahabr.ru/post/141208/KharkivPy: http://kharkivpy.org.ua/
PyCon Ukraine: http://ua.pycon.org/
PyCon, DjangoCon: http://python.mirocommunity.org/ http://pyvideo.org/ http://klewel.com/conferences/djangocon-2012/ (eng)
Pycon USA 2012: http://www.youtube.com/playlist?list=PL2814D3290BAA8837&feature=plcp http://pyvideo.org/category/17/pycon-us-2012 http://blip.tv/pycon-us-videos-2009-2010-2011
France DjangoCong: http://lanyrd.com/2012/rencontres-django/video/ (fr)
Pycon apac http://www.youtube.com/pyconapac
Pycon AU http://www.youtube.com/pyconau

Screencasts: http://godjango.com/

Summary, Notes

http://readthedocs.org/docs/pycon-2012-notes/en/latest/
http://habrahabr.ru/post/127464/
http://pydanny-event-notes.readthedocs.org/en/latest/index.html

Linux:
Linux Vacation / Eastern Europe: http://lvee.org (ru)

Misc
Я.Субботник: как Yandex использует Python и Django http://www.youtube.com/watch?v=_VyPNATTC4w

Media

Videos

ffmpeg -i input.mpg -ar 22050 -ab 64 -f flv -s 320x240 -r 29.970 -b 1000k -y output.flv

-ar -- is the Audio sample rate ie, 11050, 22050, 44144, and 48000
-ab -- is the Audio Bitrate ie, 64Kbits, 128Kbits, 384Kbtis, etc.
-r ---- is the Frame Rate or fps of the finished video, ie 24, 25, 29.970 etc.
-b ---- is the Bitrate you want to set the flv video to ie, 360k, 1000k etc.

# better
mencoder input.mpeg -ovc lavc -lavcopts vcodec=mpeg4:mbd=2:trell -oac copy -vf scale=360:240 -o output.avi

# worse
ffmpeg -i input.avi -b 1000 -s 640x480 -vcodec mpeg4 -r 30000/1001 output.avi

# or
ffmpeg -i M2U00009.MPG  -ar 44100 -ab 128k -s 720:480 -padtop 46 -padbottom 50 -padcolor 000000 -ss 00:00:40 -t 00:02:55  -f mp4 grok3.avi

# for android
https://help.ubuntu.com/community/AndroidVideoEncoding

Images

convert -resize '320x240!' 002.jpg thmb_002.jpg

Screenshot

sudo apt-get install scrot
scrot
# or
sleep 10 && scrot
# or
scrot -e 'mv $f /your/pictures'