The following signatures were invalid: EXPKEYSIG 5A88D659DCB811BB Debian Ports Archive Automatic Signing Key (2021)
I just downloaded debian-hurd-20210812.img, and started it in kvm.
apt-get update then failed:
oot@debian:/home/demo# apt-get update
Get:1 http://snapshot.debian.org/archive/debian-ports/20210812T100000Z
sid InRelease [55.3 kB]
Get:2 http://snapshot.debian.org/archive/debian-ports/20210812T100000Z
unreleased InRelease [56.6 kB]
Get:3 http://snapshot.debian.org/archive/debian/20210812T100000Z sid
InRelease [165 kB]
Err:1 http://snapshot.debian.org/archive/debian-ports/20210812T100000Z
sid InRelease
The following signatures were invalid: EXPKEYSIG 5A88D659DCB811BB
Debian Ports Archive Automatic Signing Key (2021)
<ftpmaster@ports-master.debian.org>
Err:2 http://snapshot.debian.org/archive/debian-ports/20210812T100000Z
unreleased InRelease
The following signatures were invalid: EXPKEYSIG 5A88D659DCB811BB
Debian Ports Archive Automatic Signing Key (2021)
<ftpmaster@ports-master.debian.org>
Get:4 http://snapshot.debian.org/archive/debian/20210812T100000Z
sid/main Sources [9094 kB]
Reading package lists... Done
W: GPG error:
http://snapshot.debian.org/archive/debian-ports/20210812T100000Z sid
InRelease: The following signatures were invalid: EXPKEYSIG
5A88D659DCB811BB Debian Ports Archive Automatic Signing Key (2021)
<ftpmaster@ports-master.debian.org>
E: The repository
'http://snapshot.debian.org/archive/debian-ports/20210812T100000Z sid
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://snapshot.debian.org/archive/debian-ports/20210812T100000Z
unreleased InRelease: The following signatures were invalid: EXPKEYSIG
5A88D659DCB811BB Debian Ports Archive Automatic Signing Key (2021)
<ftpmaster@ports-master.debian.org>
E: The repository
'http://snapshot.debian.org/archive/debian-ports/20210812T100000Z
unreleased 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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