Disable Console Screen Saver Blanking

• /etc/kbd/config and/or /etc/console-tools/config*

BLANK_TIME=0
POWERDOWN_TIME=0

Shared Screen TTY1

export TTY="$(tty)"
if [ "${TTY##*/}" == "tty1" ]; then
  setterm -blank 0 -powersave off -powerdown 0 -store
  exec screen -m -S "${TTY##*/}" -U
fi