As #1 says, the file permissions for the keyring are wrong. They should
be world-readable, or at the very least readable by _apt
** Changed in: apt (Ubuntu)
Status: Confirmed => Invalid
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https://bugs.launchpad.net/bugs/2007402
Title:
apt-get update error ubuntu22.04
Status in apt package in Ubuntu:
Invalid
Bug description:
I'm using ubuntu:22.04, but unfortunately we met a error when apt-get
update.
below is the error message:
root@7f7f478253a4:/# apt-get update
Get:1 http://archive.ubuntu.com/ubuntu jammy InRelease [270 kB]
Get:2 http://security.ubuntu.com/ubuntu jammy-security InRelease [110 kB]
Err:2 http://security.ubuntu.com/ubuntu jammy-security InRelease
The following signatures couldn't be verified because the public key is not
available: NO_PUBKEY 871920D1991BC93C
Err:1 http://archive.ubuntu.com/ubuntu jammy InRelease
The following signatures couldn't be verified because the public key is not
available: NO_PUBKEY 871920D1991BC93C
Get:3 http://archive.ubuntu.com/ubuntu jammy-updates InRelease [119 kB]
Err:3 http://archive.ubuntu.com/ubuntu jammy-updates InRelease
The following signatures couldn't be verified because the public key is not
available: NO_PUBKEY 871920D1991BC93C
Get:4 http://archive.ubuntu.com/ubuntu jammy-backports InRelease [107 kB]
Err:4 http://archive.ubuntu.com/ubuntu jammy-backports InRelease
The following signatures couldn't be verified because the public key is not
available: NO_PUBKEY 871920D1991BC93C
Reading package lists... Done
W: http://security.ubuntu.com/ubuntu/dists/jammy-security/InRelease: The
key(s) in the keyring /etc/apt/trusted.gpg.d/ubuntu-keyring-2012-cdimage.gpg
are ignored as the file is not readable by user '_apt' executing apt-key.
W: http://security.ubuntu.com/ubuntu/dists/jammy-security/InRelease: The
key(s) in the keyring /etc/apt/trusted.gpg.d/ubuntu-keyring-2018-archive.gpg
are ignored as the file is not readable by user '_apt' executing apt-key.
W: GPG error: http://security.ubuntu.com/ubuntu jammy-security InRelease: The
following signatures couldn't be verified because the public key is not
available: NO_PUBKEY 871920D1991BC93C
E: The repository 'http://security.ubuntu.com/ubuntu jammy-security
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.
W: http://archive.ubuntu.com/ubuntu/dists/jammy/InRelease: The key(s) in the
keyring /etc/apt/trusted.gpg.d/ubuntu-keyring-2012-cdimage.gpg are ignored as
the file is not readable by user '_apt' executing apt-key.
W: http://archive.ubuntu.com/ubuntu/dists/jammy/InRelease: The key(s) in the
keyring /etc/apt/trusted.gpg.d/ubuntu-keyring-2018-archive.gpg are ignored as
the file is not readable by user '_apt' executing apt-key.
W: GPG error: http://archive.ubuntu.com/ubuntu jammy InRelease: The following
signatures couldn't be verified because the public key is not available:
NO_PUBKEY 871920D1991BC93C
E: The repository 'http://archive.ubuntu.com/ubuntu jammy 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.
W: http://archive.ubuntu.com/ubuntu/dists/jammy-updates/InRelease: The key(s)
in the keyring /etc/apt/trusted.gpg.d/ubuntu-keyring-2012-cdimage.gpg are
ignored as the file is not readable by user '_apt' executing apt-key.
W: http://archive.ubuntu.com/ubuntu/dists/jammy-updates/InRelease: The key(s)
in the keyring /etc/apt/trusted.gpg.d/ubuntu-keyring-2018-archive.gpg are
ignored as the file is not readable by user '_apt' executing apt-key.
W: GPG error: http://archive.ubuntu.com/ubuntu jammy-updates InRelease: The
following signatures couldn't be verified because the public key is not
available: NO_PUBKEY 871920D1991BC93C
E: The repository 'http://archive.ubuntu.com/ubuntu jammy-updates 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.
W: http://archive.ubuntu.com/ubuntu/dists/jammy-backports/InRelease: The
key(s) in the keyring /etc/apt/trusted.gpg.d/ubuntu-keyring-2012-cdimage.gpg
are ignored as the file is not readable by user '_apt' executing apt-key.
W: http://archive.ubuntu.com/ubuntu/dists/jammy-backports/InRelease: The
key(s) in the keyring /etc/apt/trusted.gpg.d/ubuntu-keyring-2018-archive.gpg
are ignored as the file is not readable by user '_apt' executing apt-key.
W: GPG error: http://archive.ubuntu.com/ubuntu jammy-backports InRelease: The
following signatures couldn't be verified because the public key is not
available: NO_PUBKEY 871920D1991BC93C
E: The repository 'http://archive.ubuntu.com/ubuntu jammy-backports
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.
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