Having trouble with unverified signature message
by sofasurfer from LinuxQuestions.org on (#5KXH5)
When I try to update I get:
Code: $ sudo apt-get update
Ign:1 http://ftp.us.debian.org/debian stretch InRelease
Hit:2 http://us.archive.ubuntu.com/ubuntu focal InRelease
Get:3 http://ftp.us.debian.org/debian buster InRelease [122 kB]
Get:4 http://us.archive.ubuntu.com/ubuntu focal-updates InRelease [114 kB]
Get:5 http://security.ubuntu.com/ubuntu focal-security InRelease [114 kB]
Get:6 http://us.archive.ubuntu.com/ubuntu focal-backports InRelease [101 kB]
Get:7 http://ftp.us.debian.org/debian stretch Release [118 kB]
Get:8 http://ftp.us.debian.org/debian stretch Release.gpg [2,410 B]
Err:3 http://ftp.us.debian.org/debian buster InRelease
The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 04EE7237B7D453EC NO_PUBKEY 648ACFD622F3D138 NO_PUBKEY DCC9EFBF77E11517
Ign:8 http://ftp.us.debian.org/debian stretch Release.gpg
Reading package lists... Done
W: GPG error: http://ftp.us.debian.org/debian buster InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 04EE7237B7D453EC NO_PUBKEY 648ACFD622F3D138 NO_PUBKEY DCC9EFBF77E11517
E: The repository 'http://ftp.us.debian.org/debian buster 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: GPG error: http://ftp.us.debian.org/debian stretch Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 7638D0442B90D010 NO_PUBKEY 04EE7237B7D453EC NO_PUBKEY EF0F382A1A7B6500
E: The repository 'http://ftp.us.debian.org/debian stretch Release' 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.Whats the proper proceedure here?
Code: $ sudo apt-get update
Ign:1 http://ftp.us.debian.org/debian stretch InRelease
Hit:2 http://us.archive.ubuntu.com/ubuntu focal InRelease
Get:3 http://ftp.us.debian.org/debian buster InRelease [122 kB]
Get:4 http://us.archive.ubuntu.com/ubuntu focal-updates InRelease [114 kB]
Get:5 http://security.ubuntu.com/ubuntu focal-security InRelease [114 kB]
Get:6 http://us.archive.ubuntu.com/ubuntu focal-backports InRelease [101 kB]
Get:7 http://ftp.us.debian.org/debian stretch Release [118 kB]
Get:8 http://ftp.us.debian.org/debian stretch Release.gpg [2,410 B]
Err:3 http://ftp.us.debian.org/debian buster InRelease
The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 04EE7237B7D453EC NO_PUBKEY 648ACFD622F3D138 NO_PUBKEY DCC9EFBF77E11517
Ign:8 http://ftp.us.debian.org/debian stretch Release.gpg
Reading package lists... Done
W: GPG error: http://ftp.us.debian.org/debian buster InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 04EE7237B7D453EC NO_PUBKEY 648ACFD622F3D138 NO_PUBKEY DCC9EFBF77E11517
E: The repository 'http://ftp.us.debian.org/debian buster 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: GPG error: http://ftp.us.debian.org/debian stretch Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 7638D0442B90D010 NO_PUBKEY 04EE7237B7D453EC NO_PUBKEY EF0F382A1A7B6500
E: The repository 'http://ftp.us.debian.org/debian stretch Release' 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.Whats the proper proceedure here?