Problem with installing ROS Lunar
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tjg@pop-os:/~$ sudo apt-get install ros-lunar-desktop-full
Reading package lists... Done
Building dependency tree
Reading state information... Done
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:
ros-lunar-desktop-full : Depends: ros-lunar-desktop but it is not going to be installed
Depends: ros-lunar-perception but it is not going to be installed
Depends: ros-lunar-simulators but it is not going to be installed
Depends: ros-lunar-urdf-tutorial but it is not going to be installed
E: Unable to correct problems, you have held broken packages.
E: Unable to correct problems, you have held broken packages.suggests that some other package that you've installed has put your package manager into a bad state. I suggest that you investigate and resolve that before trying to install ROS.sudo apt-get install -fwill report if you have issues, and may be able fix some of them. (-ffor "fix")This worked for me: link text.
Try to install the held packages with aptitude:
Then, try again to install lunar-desktop-full
Hope it work
ROS Lunar comes with Gazebo 7 by default (REP-3). I'm not sure whether installing
libgazebo6-devis going to solve the OP's problem.Trying
aptitudeis a good suggestion though.