I have installed ROS2 by following the guide in this document but when I tried to install catkin by the following command:
$ mkdir -p ~/catkin_ws/src
$ cd ~/catkin_ws/src
$ catkin_init_workspace
It gives me this error
Command 'catkin_init_workspace' not found
I typed the command:
$ sudo apt install catkin
It gives me this kind of error :
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:
python3-catkin-pkg : Conflicts: catkin but 0.8.10-7 is to be installed
python3-catkin-pkg-modules : Conflicts: catkin but 0.8.10-7 is to be installed
E: Unable to correct problems, you have held broken packages.
