Ubuntu20.04安装ROS2_代码007(未授权)

本文介绍: ros-fo x y–desktop会含有ROS, RViz, demo s, tut o r i a ls。第二个窗口，把鼠标点在这个窗口，上下左右键可以控制小乌龟的移动。添加DNS144.144.144.144。Ubuntu20.04安装ROS2。

Ubuntu (Debian) — ROS 2 Documentation: Foxy documentation

sudo curl -sSL https://raw.githubusercontent.com/ros/rosdistro/master/ros.key -o /usr/share/keyrings/ros-archive-keyring.gpg
curl: (7) Failed to connect to raw.githubusercontent.com port 443: Connection refused

添加DNS144.144.144.144
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sudo apt install ros-foxy-desktop python3-argcomplete

ros-foxy-desktop会含有ROS, RViz, demo s, tutoria ls
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source /opt/ros/foxy/setup.bash
ros2 run demo_nodes_cpp talker

第二个

source /opt/ros/foxy/setup.bash
ros2 run demo_nodes_py listener

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source /opt/ros/foxy/setup.bash
ros2 run turtlesim turtlesim_node

第二个窗口，把鼠标点在这个窗口，上下左右键可以控制小乌龟的移动

source /opt/ros/foxy/setup.bash
ros2 run turtlesim turtle_teleop_key

sudo apt remove ~nros-foxy-* &amp;&amp; sudo apt autoremove

sudo rm /etc/apt/sources.list.d/ros2.list
sudo apt update
sudo apt autoremove
sudo apt upgrade