"Stay alive" utility for Ubuntu?

[Harry Strongburg]

On Mon, Apr 04, 2011 at 02:57:25AM +0000, Jeffrey Needle wrote:
> Sometimes when I'm watching a movie that goes longer than 2 hours, I'm 
> wishing my screensaver wouldn't activate.  There's activity on the 
> screen, but none on the keyboard.  Is there some utility I can use to 
> prevent the screensaver from activating if there is movement on the 
> screen?

In your specific example (movie playing), specific applications would 
work fine with it. For example, the default Ubuntu media player (totem) 
has an option to disable screensaver when playing (Edit -> Preferences 
-> Display -> Disable screensaver). Another common player that should 
also work is VLC (which is enabled by default - if not you can go to 
Tools -> Preferences -> "Show settings -> All" -> Video -> check 
"disable screensaver").