Re: catalyst control center
fglrx-amdcccle is the name of the package and not the command. There will be no such command in your system. I am unfamiliar with the catalyst chipset, but try (in a terminal):
If this returns nothing, then type:
This will return a complete list of the files installed by the package. You will have to look for a command that appears to run the catalyst control center.
dpkg -L fglrx-amdcccle
If this query returns a (list of) command(s), then, to be safe, Google the complete command before running it.