"Repository does not have a release file" error

Suleman Khan picture Suleman Khan · Dec 16, 2018 · Viewed 130.6k times · Source

I'm trying to install ROS on Ubuntu. I'm getting this error:

   sudo apt-get update
Hit:1 http://pk.archive.ubuntu.com/ubuntu cosmic InRelease
    Hit:2 http://pk.archive.ubuntu.com/ubuntu cosmic-updates InRelease
    Hit:3 http://pk.archive.ubuntu.com/ubuntu cosmic-backports InRelease
    Get:4 http://security.ubuntu.com/ubuntu cosmic-security InRelease [83.2 kB]
    Ign:5 http://packages.ros.org/ros/ubuntu cosmic InRelease Err:6 http://packages.ros.org/ros/ubuntu cosmic Release 404 Not Found [IP: 64.50.236.52 80] Reading package lists... Done
    E: The repository 'http://packages.ros.org/ros/ubuntu cosmic 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.

Answer

Bhupesh Parakh picture Bhupesh Parakh · Apr 21, 2020

You need to update your repository targets to the Eoan Ermine (19.10) release of Ubuntu. This can be done like so:

sudo sed -i -e 's|disco|eoan|g' /etc/apt/sources.list
sudo apt update