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Old 10-30-2004, 12:06 PM   #1
Registered: Aug 2003
Location: Argentina
Distribution: Arch 0.7
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apt-get GPG problems (unknown signatures)...

Im having several issues with the GPG Check in apt-get... it doesnt let me install anything, im using the standard apt-get repos.

Here is the error:

Checking GPG signatures...
Unknown signature /var/cache/apt/archives/synaptic_0.53-0.suse091.rb.1_i586.rpm: (SHA1) DSA sha1 md5 (GPG) NOT OK (MISSING KEYS: GPG#8c9b4b0d)
E: Error(s) while checking package signatures:
0 unsigned package(s)
1 package(s) with unknown signatures
0 package(s) with illegal/corrupted signatures
Any idea on how to avoid GPG check or make it work??

(i have the rpmkeys group in the sources.list)

Thanks in advance!
Old 10-30-2004, 01:40 PM   #2
Registered: Aug 2003
Location: Argentina
Distribution: Arch 0.7
Posts: 41

Original Poster
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Well, aftear searching a bit i found the way:

apt install --no-checksig <pkgname>
(Note its "apt" and not "apt-get"... )

Just in case someone needs it.
Old 10-30-2004, 04:51 PM   #3
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Registered: Sep 2004
Location: Estonia
Distribution: Arch
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Yep. That's one way to do it. If you don't want to type --no-checksig in every time you could disable GPG alltogether.
You can to this by editing the file /etc/apt/apt.conf.d/gpg-checker.conf: you need to change GPG::Check true;
to GPG::Check false;. If you do this, you should be careful which apt repositories you use.
There's also another way. You could install the rpmkey packages from each of the repositories. You can do this with:
apt-get install rpmkey*
This would install the needed signature files and the GPG check shouldn't fail. At least as long the rpmkeys are up to date. I find
that this is always not the case, so I have GPG checking turned off.
Old 10-30-2004, 05:57 PM   #4
Registered: Oct 2004
Location: Wildwood, NJ
Distribution: Debian Jessie
Posts: 192

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I use the command -

"apt-get install XXXX" - e.g. apt-get install GAIM

To do an upgrade

"apt-get dist-upgrade"

I should mention this is all done @ Root level.
Old 07-05-2005, 03:00 AM   #5
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Registered: Jul 2004
Location: Skuttunge SWEDEN
Distribution: Debian preferably
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So I'm trying to disable this stupid MD5-sum checking:
I created the file /etc/apt/apt.conf.d/gpg-checker.conf and wrote the line
GPG::Check false;
It didn't help, still "MD5Sum mismatch"
I also imported GPG-key, same problem. (Currently, but happens every now and then on various repos.)
apt install --no-checksig <pkgname>
(Note its "apt" and not "apt-get"... )
No apt in Fedora, apt-get --no-checksig doesn't work.

This is in various versions of Fedora, FC3, CentOS, LormaLinux
Could someone please tell me how to get rid of all MD5 & GPG checking - they never do any good, I don't want them!


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