一站式解决Ubuntu20.04安装ROS的问题

1.添加安装ROS的软件源

sudo sh -c '. /etc/lsb-release && echo "deb https://mirrors.ustc.edu.cn/ros/ubuntu/ $DISTRIB_CODENAME main" > /etc/apt/sources.list.d/ros-latest.list' sudo sh -c '. /etc/lsb-release && ec