ncdu

var/tmp/lib   fichier log de 2 G0

 rm /var/log/message
 
 connaitre les fichiers qui ont été modifiés les 10 derniéres minutes
 
 sudo find /bin /boot /etc /home /lib /opt /root /run /sbin /tmp /usr /var -mmin -10 
 
 
 raspivid -o - -t 9999999 -w 800 -h 600 --hflip | cvlc -vvv stream:///dev/stdin --sout '#standard{access=http,mux=ts,dst=:8080}' :demux=h264
 
 <!DOCTYPE html>
<html><body>
<OBJECT classid="clsid:9BE31822-FDAD-461B-AD51-BE1D1C159921"
 codebase="http://downloads.videolan.org/pub/videolan/vlc/latest/win32/axvlc.cab"
 width="800" height="600" id="vlc" events="True">
 <param name="Src" value="http://PI_IP_ADDRESS:8080/" />
 <param name="ShowDisplay" value="True" />
 <param name="AutoLoop" value="False" />
 <param name="AutoPlay" value="True" />
 <embed id="vlcEmb" type="application/x-google-vlc-plugin" version="VideoLAN.VLCPlugin.2" autoplay="yes" loop="no" width="640" height="480"
 target="http://PI_IP_ADDRESS:8080/" ></embed>
</OBJECT>
</html></body>




lsusb

 sudo apt-get install fswebcam

Once fswebcam is installed, run the following command in a terminal to capture a picture from the USB webcam:
$ fswebcam --no-banner -r 640x480 image.jpg 


ffmpeg -f video4linux2 -i /dev/video0 -vframes 1 test.jpeg  
ffmpeg -f video4linux2 -s 640x480 -i /dev/video1 -vframes 1 /home/stephen/webcamphotos/$(date +\%Y\%m\%d\%H\%M).jpeg


http://www.eevblog.com/2015/05/19/how-to-live-stream-a-usb-webcam-on-a-raspberry-pi-2/

http://www.magdiblog.fr/divers/raspberry-pi-camera-5-facons-de-faire-du-streaming/

http://stephane.lavirotte.com/perso/rov/video_streaming.html

http://www.magdiblog.fr/domotique/systeme-de-tele-surveillance-abordable-avec-des-raspberry-pi/

http://elinux.org/RPi_USB_Webcams


streamer 

http://blog.miguelgrinberg.com/post/how-to-build-and-run-mjpg-streamer-on-the-raspberry-pi


mjpg-streamer 


http://mycoolpizza.blogspot.fr/2013/06/raspberry-pi-faire-du-streaming-dans.html




