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libmono-system-security4.0-cil fails update - unauthenticated packages - Ubuntu 16.04
Xanadu42 posted a topic in Linux
libmono-system-security4.0-cil fails update - unauthenticated packages after apt-get update I get the following error. Any ideas ? user@ubuntu-server:~$ sudo apt-get update Get:1 http://security.ubuntu.com/ubuntu xenial-security InRelease [102 kB] Hit:2 http://ca.archive.ubuntu.com/ubuntu xenial InRelease Get:3 http://ca.archive.ubuntu.com/ubuntu xenial-updates InRelease [102 kB] Ign:4 http://download.opensuse.org/repositories/home:/emby/xUbuntu_16.04 InRelease Get:5 http://ca.archive.ubuntu.com/ubuntu xenial-backports InRelease [102 kB] Get:6 http://download.opensuse.org/repositories/home:/emby/xUbuntu_16.04 Release [1,009 B] Get:7 http://download.opensuse.org/repositories/home:/emby/xUbuntu_16.04 Release.gpg [481 B] Ign:8 http://download.opensuse.org/repositories/home:/emby/xUbuntu_16.04 Release.gpg Hit:9 http://download.opensuse.org/repositories/home:/emby/xUbuntu_16.04 Packages Fetched 308 kB in 0s (391 kB/s) Reading package lists... Done W: GPG error: http://download.opensuse.org/repositories/home:/emby/xUbuntu_16.04 Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 0A506F712A7D8A28 W: The repository 'http://download.opensuse.org/repositories/home:/emby/xUbuntu_16.04 Release' is not signed. N: Data from such a repository can't be authenticated and is therefore potentially dangerous to use. N: See apt-secure(8) manpage for repository creation and user configuration details. user@ubuntu-server:~$