platform info:
ubuntu 18.04 ros:melodic
(base) lzw@lzw-OptiPlex-7060:~/software/ceres-bin-2.0.0$ rosdep install rviz
ERROR: Rosdep cannot find all required resources to answer your query Missing resource rviz
platform info:
ubuntu 18.04 ros:melodic
(base) lzw@lzw-OptiPlex-7060:~/software/ceres-bin-2.0.0$ rosdep install rviz
ERROR: Rosdep cannot find all required resources to answer your query Missing resource rviz
rosdep is not meant to install source packages for you. It installs dependences of packages.
If you want to install rviz you should use apt such as sudo apt-get install ros-melodic-rviz