Disable Screen Blank in Debian
By default Debian is set to display a blank screen after 30 minutes and power down the monitor after 60 minutes. In order to disable this functionality, you do the following:
Edit /etc/console-tools/config
Change the following lines:
CHANGE BLANK_TIME=30 TO BLANK_TIME=0
CHANGE POWERDOWN_TIME=30 TO POWERDOWN_TIME=0
After making these changes you will need to reboot and then you should not have an issue with the screen going blank.
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