cloudsim will not install [closed]
ubuntu@domU-12-31-39-02-32-67:~$ sudo apt-get install cloud-utils drcsim python zip unzip openvpn openssh-client ros-fuerte-visualization
Reading package lists... Done
Building dependency tree
Reading state information... Done
cloud-utils is already the newest version.
openssh-client is already the newest version.
python is already the newest version.
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following information may help to resolve the situation:
The following packages have unmet dependencies:
drcsim : Depends: gazebo (>= 1.2.0) but it is not going to be installed
ros-fuerte-visualization : Depends: ros-fuerte-visualization-common (= 1.8.4-s1347128602~precise) but it is not going to be installed
E: Unable to correct problems, you have held broken packages.