fmacpro

# set manual exposure
v4l2-ctl --set-ctrl exposure_auto=1

# set long exposure
v4l2-ctl --set-ctrl exposure_absolute=10000

# set maxiumum brightness
v4l2-ctl --set-ctrl brightness=64

# set minimum contrast

telbiyski

sudo apt-get update
sudo apt-get install build-essential chrpath libssl-dev libxft-dev -y
sudo apt-get install libfreetype6 libfreetype6-dev -y
sudo apt-get install libfontconfig1 libfontconfig1-dev -y
cd ~
export PHANTOM_JS="phantomjs-2.1.1-linux-x86_64"
wget https://github.com/Medium/phantomjs/releases/download/v2.1.1/$PHANTOM_JS.tar.bz2
sudo tar xvjf $PHANTOM_JS.tar.bz2
sudo mv $PHANTOM_JS /usr/local/share
sudo ln -sf /usr/local/share/$PHANTOM_JS/bin/phantomjs /usr/local/bin