1. Install ROS

改host,也不是很稳定 sudo nano /etc/hosts 151.101.84.133 [raw.githubusercontent.com](<http://raw.githubusercontent.com/>)

我们的workspace建立在root文件夹，每次需要sudo -i 到root文件夹才能看到catkin_ws

bash启动时脚本：~/.bashrc

好像不对？

这样才对

C++这一步别掉了

ROS Tutorial References (Sec. 1-6)

Installing and Configuring Your ROS Environment

Ubuntu install of ROS Melodic

This tutorial walks you through installing ROS and setting up the ROS environment on your computer.
Navigating the ROS Filesystem

This tutorial introduces ROS filesystem concepts, and covers using the roscd, rosls, and rospack commandline tools.
Creating a ROS Package

This tutorial covers using roscreate-pkg or catkin to create a new package, and rospack to list package dependencies.
Building a ROS Package

This tutorial covers the toolchain to build a package.
Understanding ROS Nodes

This tutorial introduces ROS graph concepts and discusses the use of roscore, rosnode, and rosrun commandline tools.
Understanding ROS Topics

This tutorial introduces ROS topics as well as using the rostopic and rqt_plot commandline tools.