ubntu22.04LTS下载ROS

您可以按照以下步骤在Ubuntu 22.04 LTS上下载ROS 2：

1. 首先，更新系统软件包列表并升级已安装的软件包：

   $ sudo apt update
   $ sudo apt upgrade

2. 接下来，安装所需的软件包以添加ROS源：

   $ sudo apt install curl gnupg lsb-release

3. 使用curl命令下载ROS存储库的密钥文件并将其保存到`/usr/share/keyrings/ros-archive-keyring.gpg`：

   $ sudo curl -sSL https://raw.githubusercontent.com/ros/rosdistro/master/ros.key -o /usr/share/keyrings/ros-archive-keyring.gpg

4. 使用以下命令将ROS 2的源添加到`/etc/apt/sources.list.d/ros2.list`文件中：

   $ echo "deb [arch=$(dpkg --print-architecture) signed-by=/usr/share/keyrings/ros-archive-keyring.gpg http://packages.ros.org/ros2/ubuntu $(source /etc/os-release && echo $UBUNTU_CODENAME) main" | sudo tee /etc/apt/sources.list.d/ros2.list > /dev/null

5. 最后，更新软件包列表并安装ROS 2：

   $ sudo apt update
   $ sudo apt install ros-humble-desktop

这样，您就可以在Ubuntu 22.04 LTS上成功下载并安装ROS 2了。请注意，这里使用的是ROS 2的"humble"版本，您还可以根据需要选择其他版本。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
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