cairo-dock visual performance is poor in lubuntu. My desktop suffers with black background when I navigate my mouse pointer on Cairo dock.
What is causing this and how can I fix it?
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Use a seperate lightweight compositor:
(or use a heavyweight like compiz)
sudo apt-get install xcompmgr
Run it just once (until you logout):
Or have it started automatically by adding it in the systemwide startup:
Or create a desktop icon for it and add this to your desktop session startup:
(last option makes it very easy to turn it on or off via Desktop Session Settings )