hi, try vbetool
vbetool dpms off
regards,
m.

On 210722, fraser kendall wrote:
>Hi,
>
>This feels like a damnfool question, but I don't seem able to find an
>appropriate solution.
>
>The situation: careless staff leaving desktops logged on, open tabs in
>browsers, monitors left on etc.etc.
>
>First solution: cron job: '/sbin/shutdown -r now' run daily at 7pm
>
>But this reboots to a live console login (no dm installed) and I
>haven't yet found a way to remotely configure the power management; all
>the solutions seem to merge to one where X is already running (or
>eliminating human error!).
>
>The situation is complicated by the need to subsequently disable power
>management and screensaver so that online video (tutoring) doesn't get
>interrupted once X and xfce are manually launched. So here is my
>damnfool question:
>
>How can I manually turn any monitors off remotely if they are not
>running X? The computers are all running Chimaera.
>
>Sorry for such an elementary question, but it's eluded me.
>
>fraser
>
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