[原文链接](https://answers.ros.org/question/345764/e-unable-to-locate-package-ros-melodic-desktop-full-or-ros-melodic-desktop/) 步骤: Setup your sources list:sudo sh -c 'echo "deb http://packages.ros.org/ros/ubuntu $(lsb_release -sc) main" > /etc/apt/sources.list.d/ros-latest.lis...
针对你遇到的“E: Unable to locate package ros-melodic-geometry-msgs”错误,我可以按照以下步骤来帮助你解决问题: 查找ros-melodic-geometry-msgs包是否存在: 首先,我们需要确认ros-melodic-geometry-msgs包是否真实存在。你可以访问ROS的官方包仓库或者使用apt-cache search命令来搜索这个包。例如: bash apt-cache ...
解决方案:出现无法定位软件包原因是因为ubuntu不同的版本对应ROS不同的版本,我们需要在安装过程中找到对应的版本进行在终端里的安装操作;(注:笔者的源来自于本校的镜像,安装建议使用国内官方镜像,一定要对应好,不然后面会报错,无法定位软件包) 古月视频里面对应的ubuntu版本是18.04,而笔者自己安装的是20.04,版本号不同...
[原文链接]（ https://answers.ros.org/question/345764/e-unable-to-locate-package-ros-melodic-desktop-full-or-ros-melodic-desktop/ ）步骤：
Hello, everybody, I am currently trying to install the ROS wrapper on an NVIDIA Jetson Nano (Ubuntu 18.04 and ROS Melodic) and get the following error message: E: Unable to locate package ros-melodic-realsense-camera Does anyone have any idea what could be causing this?
Ubuntu18.04安装ROS ros-melodic-desktop-full时,遇到错误“unmet dependencies. Unable to correct problems, you have held broken packages."。 根据提示,逐层安装缺失的模块,包括ros-melodic-perception, ros-melodic-perception-pcl, ros-melodic-pcl-conversions, libpcl-dev, libvtk6-dev, libvtk6-qt-dev, ...
I suspected it was some buried lib depend on python3.8 somewhere, so I spent a good part of my day and evening rebuilding absolutely everyros-melodic-*package from scratch. I still get the error. Can anyone replicate this? I'm usingturtle_tfas a reproducible example, but the failure happen...
解决方案:出现无法定位软件包原因是因为ubuntu不同的版本对应ROS不同的版本,我们需要在安装过程中找到对应的版本进行在终端里的安装操作;(注:笔者的源来自于本校的镜像,安装建议使用国内官方镜像,一定要对应好,不然后面会报错,无法定位软件包) 古月视频里面对应的ubuntu版本是18.04,而笔者自己安装的是20.04,版本号不同...