Questions tagged [ubuntu-bionic]

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"keyserver receive failed" with ROS Melodic Raspberry Pi

I am working on Unitree A1 Quadruped Robot. The bot has two boards, with Raspberry Pi on the front board. I am trying to install the ROS Melodic Raspberry Pi version using this link: When I run the <...
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Can't install Melodic on Ubuntu 18.04

Hello everyone! I'am trying to install ROS melodic on ubuntu 18.04 by the following installation guide Installation guide But have a problem on the step #1.4 when I type the command: sudo apt install ...
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melodic "CMake Error at /usr/src/googletest/googletest/cmake/internal_utils.cmake:149" - Invoking "make cmake_check_build_system" failed

Good evening. I am getting mad : I developed a ROS package which compiles perfectly under a first laptop, and which has configuring errors on a second one with nearly the same system. Both laptop ...
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Topic Advertise Conflict: md5sum and Datatype Mismatch

Hi everyone, I have been trying to set a GPS position by setting mavros/setpoint_position/global, but faced with this error message: ...
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ROS 1 on Ubuntu server 18.04

I am using a Macbook Pro with an M1 chip and I want to install Ubuntu 18.04 on it. As the M1 chip is arm based, I only can install Ubuntu 18.04 server, not the desktop version. Can I install ROS 1 on ...
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catkin: multiple "undefined reference to ros::xyz'"

I had to convert a pure CMAKE-Project to catkin, as I needed to use ROS. Therefor I tried to alter the CMakeLists to fit catkin. Unfortunately there are lots of ROS errors now, that tend to believe me ...
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How to build ROS `.deb` packages by myself?

Hi, In my project, we are currently using ROS Melodic (apt install from the official Ubuntu Package Server) on Ubuntu 18.04. By default, Melodic was built for ...
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How to include a launch file from another node into a current project

I am launching a specific node called roslaunch lidar_deck lidar_deck_rosbag.launch I created another node called tugInterface, and that also has a ...
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std_msgs::ColorRGBA is not coloring specific markers on RViz

I am trying to publish colored LINE_STRIPS markers on RViz. I came across this message and tried to apply it to my case. ...
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controlling two models separately

hi all, I found this simulation tutorial at: VehicleSimulator Am using ROS melodic. Unfortunately only one of the worlds worked for me (world_test.launch). Anyway, what am really interested in is ...
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Trying to do sudo rosdep init and getting the below error

Following the tutorial http://wiki.ros.org/melodic/Installation/Ubuntu to install ROS Melodic I'm using Ubuntu 18.04 on x86_64. I had Ubuntu 16.04 with ROS Kinetic previously. I removed ROS Kinetic ...
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How to dynamically modify robot URDF?

We currently have many robots of the same model that all have the same basic components but differ according to certain attachments and/or features. For example, a chassis and arm would be standard to ...
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How to create a string message in a ROS package with catkin correctly?

This is the output of catkin_make that shows an error. ...
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How to install catkin correctly

Straight dump of the error messages: ...
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Play .bag file from .launch error

Hey guys, when i try to play a bag-file from a .launch file i get the follwing error: ...
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Converting CvImage to a ROS image not working on Ubuntu 18.04 - Melodic

Hello, I am trying to convert a CvImage to a ROS image. I followed the tutorial present on this source but I don't understand ...
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Unable to locate package ros-melodic-ros-base on Ubuntu Mate 18.04

I'm using Ubuntu Mate 18.04 on a old machine and I get this "unable to locate package ros-melodic-ros-base" error. I tried using the desktop and desktop-full version too, and they all have ...
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best way to install ROS in Ubuntu 18.04

Hello, I want to install ROS Melodic in Ubuntu 18.04. I've already read the installation guide but also I just found out that there is a ROS package directly in the repositories of Ubuntu, so if I run:...
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Possible to record a specific time window (from T1 to T2) of a rosbag?

Hello, I am trying to understand if it is possible to record only a specific time window (from Time T1 to time T2) in a rosbag. The reason for this is that I need ...
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Urdf is not moving on RViz

Hello, I designed a particle filter using orocos-bfl. Everything is working properly. I can see the particle cloud moving with time and according to the information ...
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How to add buttons to a customized RViz panel

Hello, I am sub-classing RViz to create a small customized panel. I found this and started doing this tutorial. However I was trying to implement a couple of ...
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Tried to insert a message with time less than ros::TIME_MIN Aborted (core dumped)

Hello, after successfully reading .pcd file from a file as asked on my previous post I was trying to to write to a rosbag but it ...
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Conversion from Point Cloud (PCL) to PointCloud2 (ROS) not showing result on RViz

Hello, I followed this tutorial using PCL libraries to perform the conversion from point cloud into a ROS readable message ...
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1 answer
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How to set CMake with Orocos-bfl in Ubuntu 18.04 - ROS Melodic

Hello, I am building a project that required the use of Orocos-bfl. I read official documentation where it explains how to incluse ...
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1 answer
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grid_map not working properly on Melodic - Ubuntu 18.04

Hello, I am following the tutorial on how to create and launch a grid_map. Because I am not familiar with this tool offered by ...
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1 answer
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repos.key missing the release key?

I'm following the directions here to install ROS2 Crystal on Ubuntu 18.04. I've just done the curl http://repo.ros2.org/repos.key | sudo apt-key add - step, but ...
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2 answers
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imu_filter_madgwick does not compile properly on Ubuntu18.04 - Melodic

Hello, I downloaded the imu_filter_madgwick tool from here and installed on my catkin_ws. Unfortunately it does not compile and ...
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1 answer
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What will happen to ROS 1 once Python 2.7 is no more maintained?

Now, whenever I try to install a Python 2.7 package, I get the warning: DEPRECATION: Python 2.7 will reach the end of its life on January 1st, 2020. Please upgrade your Python as Python 2.7 won't be ...
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[RVIZ] MarkerArray Display

Hi. I am using: RVIZ 1.13.1 melodic ubuntu 18.04 I have a task to visualize sensor data on a map. In the image below, it can be saw that the blue MarkerArray able to display correctly according to the ...
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QR codes with visp_auto_tracker: coin not detected with ViSP, cannot load model

Hello, my version of ROS is Melodic and I use Ubuntu 18.04 on my laptop. Im trying to work on detecting QR codes with latest visp_auto_tracker package but I get an ...
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1 answer
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Melodic fresh install unmet dependencies

Hello, I am trying to install ROS Melodic on a quite fresh (1 week old) Ubuntu 18.04 installation, but have run into a problem with unmet dependencies when following the instructions at http://wiki....
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Transform tree damaged after upgrading ROS

Hello ROS community, I am trying to upgrade from Ubuntu 16.04 + ROS kinetic + Gazebo 7 to Ubuntu 18.04 + Ros Melodic + Gazebo 9. I have a ROSLaunch file that runs gazebo with an environment and a node ...
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Install ROS-Melodic on Ubuntu 18 (Bionic): unmet dependencies / Unable to locate package

To install ROS Melodic on Ubuntu 18.04 (Bionic), I am following the instructions given here. ...
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1 answer
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Can Robot Models for simulations be used in all ROS versions?

I'm having trouble in simulating robots in gazebo as most models use ROS indigo in their documentaries as well as in Ros.org domentaries; basically all robots I've encountered so far. Such as (fetch ...
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Why ROS_Kinetic is recommended Distribution?

I upgraded to Ubuntu 18.04 and my Kinetic does not work anymore, Unable to locate package ros-kinetic-desktop-full When I see list of distribution here Why (recommended) is written infront of ...
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Unmet dependencies when installing Melodic on Ubuntu 18.04

When running: sudo apt install ros-melodic-desktop-full I get the following error: ...
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Unable to locate package ros-indigo-rosserial-arduino

I keep on getting, "Unable to locate package ros-indigo-rosserial-arduino" in the terminal. I even replaced indigo in that line of code with my current version of ROS, Melodic, and it still ...
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1 answer
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Unable to locate package ros-melodic-desktop-full

Hey, I am trying to install the BETA version of ROS Melodic on Ubuntu 18.04 by following stanard installation instructions but end up with: Unable to locate package ros-melodic-desktop-full It looks ...
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Will ROS lunar run on ubuntu 18.04?

Will the ROS distribution lunar run on the Ubuntu 18.04? Originally posted by nmelchert on ROS Answers with karma: 143 on 2018-03-02 Post score: 1
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