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setterm -blank 1 -powerdown 1
Do it in console, since setterm needs to write to standard output a character string that will invoke the specified terminal capabilities. One command is effective to all tty.
T
Newsgroups: gmane.linux.debian.user Date: Mon, 30 Oct 2006 20:56:56 -0500
> >> I'm wondering how I can configure my console screen energy saving time. > >> ie, when my PC is left with tty screens. > >> > > man setterm > > /usr/bin/setterm > > Thanks, I tried > > setterm -powerdown 1 > > but nothing happened, even after 2 minutes. >
the man page for setterm under -powerdown says:
If the console is blanked or the monitor is in suspend mode, then the monitor will go into vsync suspend mode or powerdown mode respectively after this period of time has elapsed.
So: before the -powerdown time comes into effect, the monitor must be in blank. It will then go into vsync suspend. It will then go into powerdown.
You need to also set -blank
Douglas Tutty