Download raspian (> 10min)
wget http://raspbian-france.fr/download/raspbian_latest.zip
Unzip the image
unzip raspbian_latest.zip
=> image is 2016-03-18-raspbian-jessie.img
Identify the sd card device directory
sudo ls -ltr /dev/{mm,sd}*
=> the sdcard is /dev/mmcblk0
Copy the image on the sdcard (~6min)
sudo dd bs=1M if=2016-03-18-raspbian-jessie.img of=/dev/mmcblk0