no public key available for ID 7638D0442B90D010
Greetings,
apt-get update now returns
W: There is no public key available for the following key
IDs:7638D0442B90D010
for two of the archives in /etc/apt/sources.list:
deb http://ftp.de.debian.org/debian/ squeeze-updates main
deb http://ftp.de.debian.org/debian/ squeeze-lts main
Same result if I use a different mirror (ftp.au)
>From here:
https://wiki.debian.org/SecureApt
I understand this kind of message is a warning related to an old key but
the archive is signed with a new valid key, so it should be safe to use.
It also says that the warning should disappear once the keys are
updated.
Therefore, I tried:
apt-key update
but the warning persist.
Am I doing something wrong?
Can I safely install updates?
Thanks, Loredana
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