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You need to Edit the file /home/your_user_name/.gtkrc-2.0 file
$gedit /home/your_user_name/.gtkrc-2.0
add the following line
gtk-menu-popup-delay = 100
or
gtk-menu-popup-delay = 0
100 for 100 ms
0 for 0 ms
Save and exit the file.
or
echo “gtk-menu-popup-delay = 0″ >> ~/.gtkrc-2.0
Now you need to Log off and log back in.
You can also try to get the icons cached in memory at startup
echo “find /usr/share/pixmaps/ | xargs cat > /dev/null” >> ~/mystart
echo “find /usr/share/icons/Human/ | xargs cat > /dev/null” >> ~/mystart
chmod +x ~/mystart
Then add it as startup to gnome (System -> Settings -> Sessions -> Add, and write “~/mystart”)
why i can’t find .gtkrc-2.0 in my home ???
from your home directory try to use the following command and check
ls -al
in hardy is .gtkrc-1.2-gnome2 …?
create the file, if there no exist
For not complain, it’s best use
-type fon the find command.find /usr/share/pixmaps/ -type f | xargs cat > /dev/null