E: The repository ‘http://packages.ros.org/ros2/ubuntu focal InRelease‘ is not signed._the repository ' focal release' is not signed

作者：你好赵伟 | 2024-06-14 18:55:49

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the repository ' focal release' is not signed

To fix this issue users need to update the public key used for ROS apt repositories. To do this for ROS 1 installations one needs to run a single command, namely:

curl -s https://raw.githubusercontent.com/ros/rosdistro/master/ros.asc | sudo apt-key add -
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For ROS 2 installations you will need to run this command:

sudo curl -sSL https://raw.githubusercontent.com/ros/rosdistro/master/ros.key -o /usr/share/keyrings/ros-archive-keyring.gpg
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