![]() ![]() N: This must be accepted explicitly before updates for this repository can be applied. I can use curl to download files over HTTP though FTP doesn't work. The raspbi is connected to network through a router which does have internet connection. sudo apt-get update gets Connection failed error but can curl to mirror Ask Question Asked 3 years, 11 months ago Modified 3 years, 11 months ago Viewed 15k times 5 I have an Ubuntu 18.04.2 LTS VM running on Azure without a public IP due to security restrictions. I am trying to update it using sudo apt-get update. ![]() I have connected it headless and am using putty and vnc viewer to access it. GPG error: buster InRelease: The following signatures were invalid: EXPKEYSIG F42ED6FBAB17C654 Open Robotics Repository ‘ Index of /raspbian buster InRelease’ changed its ‘Suite’ value from ‘stable’ to ‘oldstable’ I have a raspberry pi 3 b model with raspian Buster installed. apt Share Improve this question asked at 22:51 TheDoctor025 155 1 1 8 Which apt-key command did you run GnuPG should already be installed by default (and indeed the initial output about signatures shows GPG is installed). The repository is not updated and the previous index files will be used. W: An error occurred during the signature verification. The following command should fix most of these errors: sudo apt-get install build-essential libssl-dev libffi-dev python-dev You may need to run as a. The following signatures were invalid: EXPKEYSIG F42ED6FBAB17C654 Open Robotics package lists… Done Get:4 Index of /raspbian buster InRelease Trouble downloading packages list due to a 'Hash sum mismatch' error (22 answers) Closed 2 years ago. Share Improve this answer Follow answered at 5:26 hsbasu 125 6 If your answer is essentially a referral to another question, it would be better to flag this question as a duplicate of the other once you earned 15 reputation. If you installed the CLI with apt, you must use sudo apt-get update & sudo apt-get. 1 Try: sudo apt-get clean sudo apt-get update If that does not work try this. ![]() I cannot update packages on either Raspberry Pi 3B+ or 4B (two separate microSD’s, clean installs) Not all methods of installation support heroku update. First, your package lists arent being updated because another process has it locked (or at least this was the case when you ran the command this time) If you cant kill the process manually, You can usually fix this issue by rebooting and then try sudo apt update again. ![]()
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