Simple C program that draws a QR code on the linux console via modifying the framebuffer. The QR code will only show up on the host console and not on X or over SSH. See example.png. The QR code is generated via libqrencode. Apache 2.0 License.
sudo apt-get install libqrencode-dev
gcc console-qrcode.c -o console-qrcode -lqrencode -O3 -Wall -std=c99sudo apt-get install libqrencode3
sudo ./console-qrcode [OPTION]... [INPUT]
echo [INPUT] | sudo ./console-qrcode [OPTION]...-p --module_pixels size of module in pixels: 1-9 -w --border_width_modules width of the border in modules: 0-9 -h --border_height_modules height of the border in modules: 0-9 -x --x_offset horizontal offset from top right in pixels -y --y_offset vertical offset from top right in pixels -v --verbose