I’m sure everyone will point me to the documentation, but, it doesn’t cover this:
W: GPG error: http://software.virtualmin.com/gpl/ubuntu virtualmin-xenial Release: The following signatures couldn’t be verified because the public key is not available: NO_PUBKEY E8DD3FA0A0BDBCF9
W: The repository ‘http://software.virtualmin.com/gpl/ubuntu virtualmin-xenial 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.
W: GPG error: http://software.virtualmin.com/gpl/ubuntu virtualmin-universal Release: The following signatures couldn’t be verified because the public key is not available: NO_PUBKEY E8DD3FA0A0BDBCF9
W: The repository ‘http://software.virtualmin.com/gpl/ubuntu virtualmin-universal 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.
This is my apt sources.list
deb http://mirror.cogentco.com/pub/linux/ubuntu/ xenial main restricted
deb-src http://mirror.cogentco.com/pub/linux/ubuntu/ xenial main restricted
deb http://mirror.cogentco.com/pub/linux/ubuntu/ xenial-updates main restricted
deb-src http://mirror.cogentco.com/pub/linux/ubuntu/ xenial-updates main restricted
deb http://mirror.cogentco.com/pub/linux/ubuntu/ xenial universe
deb-src http://mirror.cogentco.com/pub/linux/ubuntu/ xenial universe
deb http://mirror.cogentco.com/pub/linux/ubuntu/ xenial-updates universe
deb-src http://mirror.cogentco.com/pub/linux/ubuntu/ xenial-updates universe
deb http://mirror.cogentco.com/pub/linux/ubuntu/ xenial multiverse
deb-src http://mirror.cogentco.com/pub/linux/ubuntu/ xenial multiverse
deb http://mirror.cogentco.com/pub/linux/ubuntu/ xenial-updates multiverse
deb http://security.ubuntu.com/ubuntu xenial-security main restricted
See http://help.ubuntu.com/community/UpgradeNotes for how to upgrade to
newer versions of the distribution.
Major bug fix updates produced after the final release of the
distribution.
N.B. software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu
team. Also, please note that software in universe WILL NOT receive any
review or updates from the Ubuntu security team.
N.B. software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu
team, and may not be under a free licence. Please satisfy yourself as to
your rights to use the software. Also, please note that software in
multiverse WILL NOT receive any review or updates from the Ubuntu
security team.
N.B. software from this repository may not have been tested as
extensively as that contained in the main release, although it includes
newer versions of some applications which may provide useful features.
Also, please note that software in backports WILL NOT receive any review
or updates from the Ubuntu security team.
Uncomment the following two lines to add software from Canonical’s
‘partner’ repository.
This software is not part of Ubuntu, but is offered by Canonical and the
respective vendors as a service to Ubuntu users.
deb http://archive.canonical.com/ubuntu xenial partner
deb-src http://archive.canonical.com/ubuntu xenial partner
deb http://security.ubuntu.com/ubuntu xenial-security main restricted
deb-src http://security.ubuntu.com/ubuntu xenial-security main restricted
deb http://security.ubuntu.com/ubuntu xenial-security universe
deb-src http://security.ubuntu.com/ubuntu xenial-security universe
deb http://security.ubuntu.com/ubuntu xenial-security multiverse
deb-src http://security.ubuntu.com/ubuntu xenial-security multiverse
deb http://software.virtualmin.com/gpl/ubuntu/ virtualmin-xenial main
deb http://software.virtualmin.com/gpl/ubuntu/ virtualmin-universal main
