On Sun, May 03, 2015 at 10:06:20PM +0530, bkpsusmitaa wrote: > I have added the lines. The issue is regarding non-availability of > security keys. Yes, it is about an old laptop that ran superbly in > lenny, but somewhat slower in squeeze, The keys are available in the debian-archive-keyring package. The one referenced by lenny's package metadata is debian-archive-keyring_2010.08.28~lenny1_all.deb and can be retrieved from http://archive.debian.org/debian/pool/main/d/debian-archive-keyring/ Specifically, the lenny release file is signed with key 473041FA. You can also retrieve this key from a keyserver network with commands like: gpg --recv-keys 473041FA gpg --export -a 473041FA | sudo apt-key add -
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