atar wrote: > Brian wrote: > > The problem however is that when I try to install a new package or > > upgrade an existed one, using the apt-get install command, I get a > > question asking me: 'Install these packages without verification?' > > and above this question is a list of some packages that cannot be > > verified. so my question is why does some packages cannot be > > verified and how to solve this trouble? > > > > apt-cache show debian-archive-keyring > > What's your meaning? this package is already installed on my machine > but the problem is still existed.
The package debian-archive-keyring contains the archive key that verifies the packages. If your system is complaining that it can't verify the package then the cause is almost always an outdated debian-archive-keyring package. Verify that the package is up to date. # apt-get update # apt-get install debian-archive-keyring # apt-get update The second apt-get update is needed after debian-archive-keyring is upgraded in order to do the verify. Bob
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