在ubuntu16.04上安装ros
1.添加镜像源sudo sh -c '. /etc/lsb-release && echo "deb http://mirrors.ustc.edu.cn/ros/ubuntu/ $DISTRIB_CODENAME main" > /etc/apt/sources.list.d/ros-latest.list'2.添加keysudo apt-key adv --keyserver hkp://ha.pool.sks-keyserv
