添加 ROS 2 官方软件源
添加 ROS 2 官方软件源
安装下载和签名工具：
sudo apt-get update
sudo apt-get install -y ca-certificates curl gnupg安装 ROS 官方签名密钥：
curl -fsSL --retry 3 \
https://raw.githubusercontent.com/ros/rosdistro/master/ros.key \
-o /tmp/ros-archive-keyring.gpg
sudo install -o root -g root -m 0644 \
/tmp/ros-archive-keyring.gpg \
/usr/share/keyrings/ros-archive-keyring.gpg
rm -f /tmp/ros-archive-keyring.gpg添加 ROS 2 Humble 软件源：
arch=$(dpkg --print-architecture)
printf 'deb [arch=%s signed-by=/usr/share/keyrings/ros-archive-keyring.gpg] http://packages.ros.org/ros2/ubuntu jammy main\n' \
"$arch" | sudo tee /etc/apt/sources.list.d/ros2.list >/dev/null
sudo apt-get update