rendered paste body[bdog@bdog ~]$ beryl --replace&
[1] 15948
[bdog@bdog ~]$ sh: xvinfo: command not found
sh: xdpyinfo: command not found
**************************************************************
* Beryl system compatiblity check *
**************************************************************
sh: xvinfo: command not found
Detected xserver : NVIDIA
Checking Display :0.0 ...
Checking for XComposite extension : passed (v0.3)
Checking for XDamage extension : passed
Checking for RandR extension : passed
Checking for XSync extension : failed
No sync extension
beryl: No sync extension