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Questions tagged [ubuntu-20.04]

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RVIZ on remote server, ssh x forwarding

I have connected to the remote server by ssh. Both of my local and remote machines are Ubuntu20.04. So when I run rviz command I get the following error: ...
KnK's user avatar
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-1 votes
1 answer
30 views

I am trying to use rplidar with Ubuntu Noetic [closed]

I have two problems. The first is when I write ls -l /dev |grep ttyUSB nothing happens. The second is when I write ...
fatma's user avatar
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0 answers
16 views

Duplicate two different planning scenes with Moveit

i use ROS-Noetic in ubuntu 20.04 with moveit framework. I would like to duplicate a planning scene with moveit in order to have one planning scene which contains a static planning scene which i ...
Andrea Begni's user avatar
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0 answers
25 views

ROS2 command not found after Cmake upgrade - Ubuntu 20.04 focal & ros2 foxy

Before I was using ros2 foxy normally, but today I have to upgrade the cmake to a higher version, so I use sudo apt remove --purge --auto-remove cmake to remove the ...
Duy Nguyen's user avatar
0 votes
1 answer
27 views

Writing a Publisher and Subscriber to wirelessly communicate over 2 Linux PCs in C

I have code that is written in C that has a corresponding executable file and both work the same. Both run in a terminal and everything outputs into the same terminal. I am trying to make that code a ...
Libby Williams's user avatar
0 votes
2 answers
152 views

Installing ROS2 without Internet Access

I’m looking to install ROS2 Foxy on a standalone computer. Is there a guide for offline installation on Ubuntu 20.04? Also, does anyone have any best practices/cheat sheets for developing offline?
Colton Layhue's user avatar
1 vote
1 answer
81 views

Voice Control Turtlesim ROS2 Humble on Ubuntu 20.04 with Pocketsphinx

I want to use Pocketsphinx on my ROS2 workspace, but wanted to try it out on Turtlesim first. While building my workspace with ...
metaje's user avatar
  • 11
0 votes
0 answers
37 views

Dynamic Box Model - Gazebo and ROS

guys. I'm new to ROS and Gazebo and was trying to do a project with Turtlebot3. I was trying to add a box model and would like it to constantly move around the map. However, when opening the ...
Caíque_Viana's user avatar
0 votes
1 answer
158 views

ImportError: cannot import name 'GazeboRosPaths' from 'scripts'

I am trying to run ros2 launch gazebo_ros gazebo.launch.py on ROS 2 Foxy. Unfortunately, I came across the following error: ...
Mubashir's user avatar
1 vote
3 answers
3k views

Can we install ROS 1 and ROS 2 in the same system running on Ubuntu 20.04?

I am using ROS Noetic on my machine running on Ubuntu 20.04. But I want to migrate to ROS 2. Can I install ROS 2 along with ROS 1 on the same machine? If I did, what and how will be the causes?
Vasanth's user avatar
  • 17
0 votes
2 answers
519 views

E: Unable to locate package ros-galactic-ros-gz

I am trying to install (ignition) Gazebo Edifice on my Ubuntu 20.04 system which already has ROS2 Galactic installed on it. I'm using the command ...
PhiloRobotist's user avatar
0 votes
1 answer
226 views

Gazebo-11 ROS2 Galactic: gzserver process has died, exit code -6 after clamp.hpp Assertion !(hi < lo) failed

Issue: At a random time 1-5 minutes into Gazebo execution (of create3_sim), the gzserver process dies reporting the following: [gzserver-5] gzserver: /opt/ros/galactic/include/rcppmath/clamp.hpp:41: ...
user avatar
0 votes
1 answer
35 views

gzserver: error while loading shared libraries: libdart-collision-bullet.so.6: cannot open shared object file: No such file or directory

I don't even know how did this happen. One day, I just open the laptop and start to work. Suddenly, it's not working anymore. I can't even run turtlebot3. I reinstalled foxy and gazebo11. No luck. It ...
Garrett Fogerlie's user avatar
0 votes
1 answer
25 views

Gazebo 11 for Ubuntu 20.04?

Congrats on the Gazebo 11 release. I note on the project status page that Ubuntu F is listed as a supported platform: http://gazebosim.org/#status However, there don't seem to be packages available ...
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