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I am using Red Hat Enterprise Linux WS release 4 (Nahant Update 2).

Please help to disable the screensaver.

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To disable for the current user:

gconftool-2 --set -t boolean /apps/gnome-screensaver/idle_activation_enabled false

To set the system default to disabled:

gconftool-2 --direct --config-source xml:readwrite:/etc/gconf/gconf.xml.defaults --set -t boolean /apps/gnome-screensaver/idle_activation_enabled false

To re-enable it you simply change the bool from false to true, like so:

re-enable current user:

gconftool-2 --set -t boolean /apps/gnome-screensaver/idle_activation_enabled true

re-enable default:

gconftool-2 --direct --config-source xml:readwrite:/etc/gconf/gconf.xml.defaults --set -t boolean /apps/gnome-screensaver/idle_activation_enabled true
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please provide guidance on how to re-enable it again. it might be useful to the QA or any other reader. – Lorenzo Von Matterhorn Jan 9 '13 at 17:42
    
@Znau good point, edited – h3rrmiller Jan 9 '13 at 17:45

It can be done in GUI mode using screensaver-properties-capplet command.

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