apt update && sudo apt install locales : GPG error [closed]

asked 2021-05-28 23:32:52 -0600

JasonPark gravatar image

updated 2021-05-29 02:22:28 -0600

gvdhoorn gravatar image

I'm referring to two websites : http://docs.ros.org/en/foxy/Tutorials... https://docs.ros.org/en/foxy/Installa...

Linux Mint Cinnamon 64-bit I want to download ROS2 foxy.

And I wrote this codes: sudo apt update && sudo apt install locales

then, there are some errors, but I don't know any solutions. plz help me.

[the errors]

Hit:1 http://dl.google.com/linux/chrome/deb stable InRelease                   
Ign:2 http://packages.linuxmint.com ulyssa InRelease                           
Hit:3 http://security.ubuntu.com/ubuntu focal-security InRelease               
Get:4 http://packages.ros.org/ros2/ubuntu focal InRelease [4,670 B]            
Hit:5 http://archive.ubuntu.com/ubuntu focal InRelease                         
Hit:6 http://packages.linuxmint.com ulyssa Release                             
Err:4 http://packages.ros.org/ros2/ubuntu focal InRelease                     
  The following signatures were invalid: EXPKEYSIG F42ED6FBAB17C654 Open Robotics <info@osrfoundation.org>
Hit:7 http://archive.ubuntu.com/ubuntu focal-updates InRelease
Hit:8 http://archive.canonical.com/ubuntu focal InRelease
Hit:10 http://archive.ubuntu.com/ubuntu focal-backports InRelease
Reading package lists... Done
W: GPG error: http://packages.ros.org/ros2/ubuntu focal InRelease: The following signatures were invalid: EXPKEYSIG F42ED6FBAB17C654 Open Robotics <info@osrfoundation.org>
E: The repository 'http://packages.ros.org/ros2/ubuntu focal InRelease' is not signed.
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.
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Closed for the following reason duplicate question by gvdhoorn
close date 2021-05-29 02:23:32.450872


This is a know issue. Could you please check #q379190?

gvdhoorn gravatar image gvdhoorn  ( 2021-05-29 02:23:26 -0600 )edit