Ubuntu18.04 ROS安装小记

sudo apt-get install ros--desktop-full (E: Unable to correct problems, you have held broken packages.)

sudo apt-get install aptitude

sudo aptitude install ros-desktop-full

echo "source /opt/ros/melodic/setup.zsh" >> ~/.zshrc
source ~/.zshrc

echo "source /opt/ros/melodic/setup.bash" >> ~/.bashrc
source ~/.bashrc

sudo apt install python-rosdep python-rosinstall python-rosinstall-generator python-wstool build-essential

sudo rosdep init
rosdep update

ERROR: cannot download default sources list from:
https://raw.githubusercontent.com/ros/rosdistro/master/rosdep/sources.list.d/20-default.list
Website may be down.

sudo apt-get install proxychains

sudo vi /etc/proxychains.conf

sudo proxychains rosdep init
proxychains rosdep update