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Questions tagged [ros]

ROS (Robot Operating System) is a set of software libraries and tools that help developers build robot applications from inside another operating system such as Ubuntu. ROS provides hardware abstraction, device drivers, libraries, visualizers, message-passing, package management, and more.

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Issue installing ROS noetic on Ubuntu 20.04

I've been attempting to install ROS noetic on a freshly installed Ubuntu 20.04. I started with setting up the sources list, then setting up the keys, and running sudo apt update, following this guide: ...
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Getting error each time I run catkin_make

I am getting this error each time I run catkin_make. I have tried multiple things already, but none of them seems to work pdk4@pdk4:~/catkin_ws$ catkin_make Base path: /home/pdk4/catkin_ws Source ...
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133 views

How can I run ROS2 on Ubuntu 22.04 LTS

I have issue with having unavailable to run ROS2 on Ubuntu 22.04 LTS.
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sudo apt-get update gives Error:Malformed entry 1 in list file /etc/apt/sources.list.d/ros-latest.list [duplicate]

Upon removing ROS, python and Realsense from my ubuntu 18.04 install, I was trying to update the lists before embarking on a fresh install when the below error occured. Below I followed the ...
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Installing ROS2 : E: Unable to correct problems, you have held broken packages [duplicate]

I'm not an expert in linux and just a beginner in ROS. I need to install this version of ros : ROS 2 Foxy Fitzroy (https://docs.ros.org/en/foxy/Installation.html) On my linux computer : Distributor ID:...
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Unable to launch px4 posix_sitl_xacro.launch file

I tried to launch a ROS project by using the commend: roslaunch px4 posix_sitl_xacro.launch and it present this error: [ INFO] [1645971852.559366025]: FCU URL: udp://:14540@localhost:14557 /opt/ros/...
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Ubuntu 18.04 - Catkin_make -> /usr/bin/ld: cannot find -lX11::X11

My problem is the following: I am trying to run some ROS packages. I have already did it on a virtual machine so the packages are correct. I want now to do the same on my parition, I installed the ...
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"Findfilters.cmake" in CMAKE_MODULE_PATH this

I getting this error while building my project dir ,and also not able find the path for Findilters.cmake plz help me resolve this issue CMake Error at CMakeLists.txt:7 (find_package): By not providing ...
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Can I still use Ubuntu 18.04 MATE on my Raspberry Pi?

I am using ROS Melodic, which supports up to Ubuntu 18.04. I know that Ubuntu MATE 18.04 is no longer supported, but can I still download it to my Raspberry Pi 3 and install packages onto it?
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-1 votes
1 answer
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while installing i got error in ros error in ubuntu 18.05

while installing ros i get the error E: Malformed entry 1 in list file /etc/apt/sources.list.d/ros-latest.list (Component) E: The list of sources could not be read
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-2 votes
1 answer
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After creating catkin workspace for ros noetic i received the following message [closed]

bash: /home/mohammad/catkim_ws/devel/setup.bash: No such file or directory
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Ubuntu ros-desktop package does not work out of the box

I'm on ubuntu focal and I noticed something weird about the ros-desktop package which comes with ubuntu. If one installs ros-desktop, it is not even able to start a roscore by default: > sudo apt ...
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If I dual boot Ubuntu on my Windows desktop and then I use Ubuntu, is that considered native ubuntu?

Essentially I would like to Learn ROS with Gazebo and Rviz. So if I have to get rid of windows to use those efficiently I would. If I dual boot would those programs run just as well as if I had only ...
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ROS and MoveIt noetic on ubuntu runs very slow in my MacBook pro

I installed Ubuntu from virtual box, and then ROS and Moveit Noetic because I need to do a robotics project. However, it's been like 2 weeks and I have been searching for a solution because as soon as ...
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When I changed my IP address, ros packages are broken. (Failed to run '"/opt/ros/melodic/_setup_util.py" ': return code 132)

Failed to run '"/opt/ros/melodic/_setup_util.py" ': return code 132 Failed to run '"/home/aoc/catkin_ws/devel/_setup_util.py" ': return code 132 Failed to run '"/home/aoc/...
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The CMAKE_C_COMPILER: /usr/local/bin/cc is not a full path to an existing compiler tool

I know there are a lot of similar questions on the internet but I tried everything. But nothing works Idk what I am doing wrong. The CMAKE_C_COMPILER: /usr/local/bin/cc is not a full path to ...
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Error at catkin installation [duplicate]

i am trying to setup ROS environment, at the catkin stage, following errors occurred when i try to install it. $ sudo apt install catkin Reading package lists... Done Building dependency tree ...
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rostopic problem

When I enter rostopic in my terminal and press tab button to get the instructions, something occurs like below: racer@racer-Dell-G15-5511:~$ rostopic .99-realsense-libusb.rules .local/ .bash_history ...
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libEGL warning: DRI2: failed to authenticate Ubuntu 20.04

I am on Ubuntu 20.04, using a raspberry pi, and following the ros turtlesim tutorial while learning ros. In the terminal, I used the rosrun command to run a node, which actually opens the node, but ...
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4 votes
2 answers
1k views

CA Certificates Not Recognized

I've been trying to get CA Certs installed because I'm getting errors when trying to use rosdep init which makes calls to "raw.githubusercontent.com". If I do the same call with wget I'll ...
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How to fix /usr/bin/env: 'python': No such file or directory

I am trying to set up a subscriber and publisher in ros noetic on ubuntu 20.04 following this video https://www.youtube.com/watch?v=GBtKo_pXrJQ&t=290s. Where I am stuck is at 4:48 where instead of ...
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How to use raspberry pi gpio pin with using ubuntu 18.04.5 [duplicate]

I am using raspberry pi 4 model and I installed ubuntu 18.04.5 OS . I am working with ROS where all the related package I installed and it is working but after that I want to run motor by using ...
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Ros in M1 macbook air

I'm considering buying M1 macbook air.Can m1 mac run ubuntu in parallels(virtual machine)with all apps eligible to run. Could i use this for robotics(ros) and related works??
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Ubuntu Dual boot not able to detect pre-installed Windows 10 on SSD

My Laptop Specs- · Model - Acer Predator Helios 300 · Storage - 256 GB SSD and 1 TB HDD · Graphics - Geforce GTX 1660 Ti · OS - Windows 10 Home · Boot Mode - UEFI · SATA Mode - RST Premium with ...
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exception = libconsole_bridge.so.0.2: cannot open shared object file: No such file or directory

I'm trying to migrat a robot's ROS packages from ubuntu 16.04 to ubuntu 18.04. The packages are not available in ROS Melodic yet but i need to run them on ROS Melodic. Most of the packages work and ...
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Problem in installing the DYNMAIXEL Workbench library ( ROS = Robotic Operation System)

I am trying to install the as you can see its wiki at the below: So i ahev tried to instlal it by the belwo code: wget https://raw.githubusercontent.com/ROBOTIS-GIT/robotis_tools/master/...
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1 vote
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QtCore could not be found by catkin_make a SpotMicro(robot-dog)

Anyone met a problem when compiling a spot micro there is an error "reported QT_INSTALL_LIBS as "/usr/lib/aarch64-linux-gnu" but qtcore could not be found there. QT is NOT installed ...
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Is there a difference between Ubuntu 18.04.5 and Ubuntu 18.04? [duplicate]

I need Ubuntu 18.04 to install ROS Melodic on it, but the ISO file i found for 18.04 has been giving me so many problems (no wifi adapter detected so I can't sudo apt update, no exfat detected so i ...
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2 answers
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connect two computers to send and receive data in real time

I have an old robot that only works with Ubuntu 14.04 and Python 2. The robot arm is controlled using ROS1. I wish to program the robot using python 3. I cannot upgrade the robot or its operating ...
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I am unable to install a package [duplicate]

I want to install a package on Ubuntu 16.04, but receive an error when performing this command: $ sudo apt-get install libavcodec-dev libsdl1.2-dev xsltproc libbullet-dev libsdl1.2-dev libgoogle-glog-...
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1 vote
2 answers
1k views

Ubuntu and ROS on apple M1 chip

I am going to write my master thesis with ROS and I am not sure if the software will run on Apple Macbook Air with M1 chip. Did anyone use those tools and can share their experience and compatibility ...
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ROS-driven Gazebo does not work since GPU handles it

I am using Ubuntu 20.04 along with ROS Noetic distribution through a virtual machine (Oracle Virtualbox). I want to run Gazebo simulations: they used to work but I did not have enough FPS, so I ...
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"gpg: invalid key resource URL" or "gpg: keyserver receive failed: No data" following official ROS Melodic installation guide

I'm following the official guide to install ROS Melodic. And, in step 1.3, I got something similar to the following, by 3 of the 4 alternative paths: sudo apt-key adv --keyserver 'hkp://keyserver....
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how to solve the problem of getting printed lines with command sudo?

i was trying to install ROS on ubuntu 18.04 then after a multiple of failure i found that i have done something wrong with the system. that when i open the terminal there is this lines: bash: /opt/ros/...
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Installing Node-js Removes ros-melodic-desktop-full

I was trying to install npm, but I got an error: npm : Depends: node-gyp (>= 0.10.9) but it is not going to be installed So I searched the internet and found an answer: npm : Depends: node-gyp (>...
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Catkin_make fails while compiling UVC Camera at 25%

I am running Ubuntu 20.04.1 on a Raspberry Pi 3B+ and have ROS Noetic installed and working. I want to use the PiCamera so I plug in the camera and then decide to use UVC_Camera node on ROS so I ...
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Ubuntu 16.04 with 20.04 kernel?

Working with ROS gets me stuck on 16.04, only because ROS Kinetics packages my robots work with. Would it be possible to have newer kernel and the old ubuntu, without effecting ROS at all?
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Why is my docker file assuming Python 2.7?

I am working on a pc with ubuntu 20.04.1 LTS My python version is 3.8.5 I am trying to build a docker image with the following Dockerfile FROM ros:kinetic-robot LABEL maintainer="olala7846@gmail....
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ROS and PyCharm integration in Ubuntu 18.04

I am trying to get my Pycharm to recognize ROS melodic installed on my computer. This has been asked before but the solutions provided are not working. Generally something along this link works but ...
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How to locate shared object file in ubuntu repositories? [duplicate]

Can I locate a shared object file within a remote repository inside my system's sources? For example, on my computer I can search: dpkg -S libgazebo_ros_gpu_laser.so The query returns the name of the ...
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gedit: Unable to init server: Could not connect: Connection refused

I am trying to make use of the alias command to separate the ROS1 and ROS2. I have dual-booted Ubuntu on my MacAir machine and am using the docker container, which I have installed both the ROS1 and ...
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2 answers
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dev/ttyacm0 does not exist despite showing up in dmesg

I'm trying to run rosserial with a teensy 3.6, but am getting the following error [ERROR] [1603751770.005130]: Error opening serial: [Errno 2] could not open port /dev/ttyACM0: [Errno 2] No such file ...
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New Window Appears on Toolbar but GUI Doesn't Appear

Getting an issue where the GUI does not show up properly. For a few buttons on this program instead of opening the proper new window, I get a 'blank' or ' invisible' one. After clicking 'export' the ...
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Bash no such file or directory every time I open the Ubuntu terminal

I am new to ubuntu, I was trying to add echo "source ~/catkin_ws/devel/setup.bash" >> ~/.bashrc Then I reloaded .bashrc with source ~/.bashrc Now I am stuck with this - every time I ...
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1 vote
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375 views

How to install npm in ubuntu 18.04 without breaking ROS melodic?

npm depends on libssl1.0-dev but ROS melodic installs libssl-dev. So installing npm is not possible as there are broken packages. Is there any workaround for this?
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Weird message on terminal after installing ROS Melodic

Installing ROS Melodic on my Ubuntu 18.0.4 LTS, I followed some instructions for the installation and after that, I started to get this message whenever I start the terminal or change to root via sudo ...
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Ubuntu 20.04 cd : bash too many arguments error

I'm running into too many arguments error when sourcing a file from a certain location as below: joesan@joesan-InfinityBook-S-14-v5:~$ source '/opt/ros/noetic/setup.bash' bash: cd: too many arguments ...
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roscd: No such package/stack 'beginner_tutorials'

This error message appears every time I try to use roscd and I have used $catkin_make every time. It works for the working terminal but e=when I open new terminal and try the same command again the ...
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catkin_make error build

I am having the following error. I tried reinstalling ROS but still have the same issue. catkin_make Base path: /home/obara/catkin_ws Source space: /home/obara/catkin_ws/src Build space: /home/obara/...
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2 answers
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ROS melodic instalation for Ubuntu 20.04

A lot of packages are still not supported in ros noetic, so i was trying to build melodic from source in ubuntu 20.04. While following instructions from here, i got stuck in this command rosdep ...
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