I have set screen blanking to 0 in rc.M like I have in the
past to prevent my screen from going dark every 15 minutes.
Code:
# Screen blanks after 15 minutes idle time, and powers down in one hour
# if the kernel supports APM or ACPI power management:
/bin/setterm -blank 0 -powersave powerdown -powerdown 60
However, this is not working in Slack 12.0; the screen continues
to blank after about 15 minutes. What gives here? I probably
have to set something else but I'm at a loss as to what that may
be.
Using ACPI.