ROS Resources: Documentation | Support | Discussion Forum | Index | Service Status | ros @ Robotics Stack Exchange
Ask Your Question

Installing ROS Melodic in Ubuntu 18.04.2 LTS (Bionic Beaver) 32-bit

asked 2019-06-11 09:50:46 -0500

Robotic_arm gravatar image

updated 2019-06-11 10:33:56 -0500

Hello I have a raspberyy pi 3b+ with ARMv7 Processor (64bit). I have followed the ROS Melodic installation instruction from the

Robotic_arm@Robotic_arm-desktop:~$ sudo sh -c 'echo "deb $(lsb_release -sc) main" > /etc/apt/sources.list.d/ros-latest.list'
[sudo] password for Robotic_arm: 

Robotic_arm@Robotic_arm-desktop:~$ sudo apt-key adv --keyserver 'hkp://' --recv-key C1CF6E31E6BADE8868B172B4F42ED6FBAB17C654
Executing: /tmp/apt-key-gpghome.HQv1zUHfW7/ --keyserver hkp:// --recv-key C1CF6E31E6BADE8868B172B4F42ED6FBAB17C654
gpg: key F42ED6FBAB17C654: public key "Open Robotics <>" imported
gpg: Total number processed: 1
gpg:               imported: 1

Robotic_arm@Robotic_arm-desktop:~$ sudo apt update
Hit:1 bionic InRelease                                 
Hit:2 bionic InRelease
Ign:3 bionic InRelease                   
Get:4 bionic-updates InRelease [88.7 kB]        
Err:5 bionic Release                            
  404  Not Found [IP: 2600:3402:200:227::2 80]
Get:6 bionic-security InRelease [88.7 kB]              
Hit:7 bionic-backports InRelease      
Hit:8 bionic InRelease
Get:9 bionic-updates/main armhf Packages [490 kB]
Get:10 bionic-updates/universe armhf Packages [800 kB]
Get:11 bionic-updates/universe Translation-en [279 kB] 
Reading package lists... Done                                    
E: The repository ' bionic Release' does not have a Release file.
N: Updating from such a repository can't be done securely, and is therefore disabled by default.
N: See apt-secure(8) manpage for repository creation and user configuration details.

Robotic_arm@Robotic_arm-desktop:~$ sudo apt install ros-melodic-desktop-full
[sudo] password for Robotic_arm: 
Reading package lists... Done
Building dependency tree       
Reading state information... Done
E: Unable to locate package ros-melodic-desktop-full


Can you please let me know how I can overcome this issue?? Thank you very much!

edit retag flag offensive close merge delete


You first write that you're looking to install 32-bit software, then state that your processor is 64-bit. What is it that you actually want to do?

gvdhoorn gravatar image gvdhoorn  ( 2019-06-11 09:57:13 -0500 )edit

Please edit your question to include the full commands you ran and the complete error message. Also please make sure to use copy and paste not type out error messages as accurate reproduction is important for us to help you debug.

tfoote gravatar image tfoote  ( 2019-06-11 10:04:03 -0500 )edit

@gvdhoorn: Sorry if I wasn't clear. I have Ubuntu 18.04.2 which is 32 bit. But my raspberry pi has arm processor which is 64 bit.

Robotic_arm gravatar image Robotic_arm  ( 2019-06-11 10:16:29 -0500 )edit

@Robotic_arm: note @tfoote's answer: you have, it's Note the ros after there.

gvdhoorn gravatar image gvdhoorn  ( 2019-06-11 10:40:14 -0500 )edit

@gvdhoorn: yes thank you! I realized it as i was copy pasting the entire list of commands.

Robotic_arm gravatar image Robotic_arm  ( 2019-06-11 10:51:37 -0500 )edit

1 Answer

Sort by ยป oldest newest most voted

answered 2019-06-11 10:04:08 -0500

tfoote gravatar image

You appear to have copy and pasted the wrong url from the tutorial.

The repository is at: not

edit flag offensive delete link more


Thank you very much for your help!!

Robotic_arm gravatar image Robotic_arm  ( 2019-06-11 10:50:56 -0500 )edit

Please accept the answer using the check mark at the left so others know you have a solution.

tfoote gravatar image tfoote  ( 2019-06-11 10:55:53 -0500 )edit

Question Tools


Asked: 2019-06-11 09:50:46 -0500

Seen: 3,076 times

Last updated: Jun 11 '19