How to set CentOS not to sleep

The screen is turned off and there is no operation for a long time, which may cause centos to enter deep sleep. At this time, the power button can only be used to force restart. You can disable hibernation by modifying the X11 configuration. The configuration file is /etc/X11/xorg.conf. Remember to back up this file before modifying it to prevent the X11 desktop from being unable to be used due to configuration errors.

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The modification involves two places, the first is Section "Monitor", check whether there is DPMS in its configuration, and its value is false, ensure that the configuration information is as follows:

Option "DPMS" "false"

The second modification is to add a Section "ServerFlags", which contains the following content:

Section "ServerFlags"
Option "BlankTime" "0"
Option "StandbyTime" "0"
Option "SuspendTime" "0"
Option "OffTime" "0"
EndSection

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