Korzystam z niepodpisanego repozytorium w Ubuntu 16.04 z Debian multimedia:
deb http://www.deb-multimedia.org jessie main
Aby zainstalować deb-multimedia-keyring
, działam:
apt-get update && apt-get install deb-multimedia-keyring -y
Daje to błąd:
W: GPG error: http://www.deb-multimedia.org jessie InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 5C808C2B65558117
E: The repository 'http://www.deb-multimedia.org jessie 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.
Raspbian stretch
i wyrównuję z opcją,E: The repository 'http://ftp.de.debian.org/debian testing InRelease' is not signed.
którą chcę uaktualnić z Pythona 3.5. t 3.6.