I recently had to move a disk image from machine to another machine
however when I fired it up on the new machine the APT keys were
broken/corrupted. The errors I'm getting are below... Is there a simple
way of fixing this?
philip@cetus:~# apt update
Ign:1 http://mirrors.linode.com/debian stretch InRelease
Hit:4 http://mirrors.linode.com/debian stretch Release
Get:2 http://mirrors.linode.com/debian-security stretch/updates
InRelease [94.3 kB]
Hit:5 http://apt-longview.linode.com stretch InRelease
Err:6 http://mirrors.linode.com/debian stretch Release.gpg
The following signatures couldn't be verified because the public key
is not available: NO_PUBKEY 8B48AD6246925553 NO_PUBKEY 7638D0442B90D010
NO_PUBKEY EF0F382A1A7B6500
Get:3 http://mirrors.linode.com/debian stretch-updates InRelease [91.0 kB]
Hit:7 http://downloads.mariadb.com/MariaDB/mariadb-10.2/repo/debian
stretch InRelease
Err:2 http://mirrors.linode.com/debian-security stretch/updates InRelease
The following signatures couldn't be verified because the public key
is not available: NO_PUBKEY 9D6D8F6BC857C906 NO_PUBKEY 8B48AD6246925553
Err:3 http://mirrors.linode.com/debian stretch-updates InRelease
The following signatures couldn't be verified because the public key
is not available: NO_PUBKEY 8B48AD6246925553 NO_PUBKEY 7638D0442B90D010
Ign:8 http://downloads.mariadb.com/MaxScale/2.2/debian stretch InRelease
Err:7 http://downloads.mariadb.com/MariaDB/mariadb-10.2/repo/debian
stretch InRelease
The following signatures couldn't be verified because the public key
is not available: NO_PUBKEY F1656F24C74CD1D8
Hit:9 http://downloads.mariadb.com/Tools/debian stretch InRelease
Err:9 http://downloads.mariadb.com/Tools/debian stretch InRelease
The following signatures couldn't be verified because the public key
is not available: NO_PUBKEY CE1A3DD5E3C94F49
Hit:10 http://downloads.mariadb.com/MaxScale/2.2/debian stretch Release
Err:11 http://downloads.mariadb.com/MaxScale/2.2/debian stretch Release.gpg
The following signatures couldn't be verified because the public key
is not available: NO_PUBKEY 135659E928C12247
Fetched 185 kB in 0s (190 kB/s)
Reading package lists... Done
Building dependency tree
Reading state information... Done
All packages are up to date.
W: An error occurred during the signature verification. The repository
is not updated and the previous index files will be used. GPG error:
http://mirrors.linode.com/debian stretch Release: The following
signatures couldn't be verified because the public key is not available:
NO_PUBKEY 8B48AD6246925553 NO_PUBKEY 7638D0442B90D010 NO_PUBKEY
EF0F382A1A7B6500
W: An error occurred during the signature verification. The repository
is not updated and the previous index files will be used. GPG error:
http://mirrors.linode.com/debian-security stretch/updates InRelease: The
following signatures couldn't be verified because the public key is not
available: NO_PUBKEY 9D6D8F6BC857C906 NO_PUBKEY 8B48AD6246925553
W: An error occurred during the signature verification. The repository
is not updated and the previous index files will be used. GPG error:
http://mirrors.linode.com/debian stretch-updates InRelease: The
following signatures couldn't be verified because the public key is not
available: NO_PUBKEY 8B48AD6246925553 NO_PUBKEY 7638D0442B90D010
W: An error occurred during the signature verification. The repository
is not updated and the previous index files will be used. GPG error:
http://downloads.mariadb.com/MariaDB/mariadb-10.2/repo/debian stretch
InRelease: The following signatures couldn't be verified because the
public key is not available: NO_PUBKEY F1656F24C74CD1D8
W: An error occurred during the signature verification. The repository
is not updated and the previous index files will be used. GPG error:
http://downloads.mariadb.com/Tools/debian stretch InRelease: The
following signatures couldn't be verified because the public key is not
available: NO_PUBKEY CE1A3DD5E3C94F49
W: An error occurred during the signature verification. The repository
is not updated and the previous index files will be used. GPG error:
http://downloads.mariadb.com/MaxScale/2.2/debian stretch Release: The
following signatures couldn't be verified because the public key is not
available: NO_PUBKEY 135659E928C12247
W: Failed to fetch
http://mirrors.linode.com/debian-security/dists/stretch/updates/InRelease
The following signatures couldn't be verified because the public key is
not available: NO_PUBKEY 9D6D8F6BC857C906 NO_PUBKEY 8B48AD6246925553
W: Failed to fetch
http://mirrors.linode.com/debian/dists/stretch-updates/InRelease The
following signatures couldn't be verified because the public key is not
available: NO_PUBKEY 8B48AD6246925553 NO_PUBKEY 7638D0442B90D010
W: Failed to fetch
http://downloads.mariadb.com/MariaDB/mariadb-10.2/repo/debian/dists/stretch/InRelease
The following signatures couldn't be verified because the public key is
not available: NO_PUBKEY F1656F24C74CD1D8
W: Failed to fetch
http://downloads.mariadb.com/Tools/debian/dists/stretch/InRelease The
following signatures couldn't be verified because the public key is not
available: NO_PUBKEY CE1A3DD5E3C94F49
W: Failed to fetch
http://mirrors.linode.com/debian/dists/stretch/Release.gpg The
following signatures couldn't be verified because the public key is not
available: NO_PUBKEY 8B48AD6246925553 NO_PUBKEY 7638D0442B90D010
NO_PUBKEY EF0F382A1A7B6500
W: Failed to fetch
http://downloads.mariadb.com/MaxScale/2.2/debian/dists/stretch/Release.gpg
The following signatures couldn't be verified because the public key is
not available: NO_PUBKEY 135659E928C12247
W: Some index files failed to download. They have been ignored, or old
ones used instead.
