Wenn ich versuche GP4 Plugin auf nn2 Image via Konsole zu installieren ..
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apt update && wget -O /tmp/geminilocale_all.deb http://download.blue-panel.com/geminilocale_gp4.php && apt install -y /tmp/geminilocale_all.deb
.. bekomme ich diese Fehlermeldung
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Reading package lists... Done W: GPG error: http://download.blue-panel.com/pyro/kodi-19/aarch64 ./ Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 3BF1DD906DE2D8D7 E: The repository 'http://download.blue-panel.com/pyro/kodi-19/aarch64 ./ Release' 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.