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Feb '06
Fixing gpg errors with apt-get for dummies like me
by Frank Spychalski filed under Computer

This morning I ran into a small problem apt-get update, which wanted some keys to run the update.

I got the following errormessage:

You can fix this problem for security.debian.org and ftp.de.debian.org by installing the package debian-archive-keyring:

But this does not solve the problem for other hosts, like ftp.nerim.net:

First add their keys to the gpg keyring. Take the ID (the part behind NO_PUBKEY) and request the corresponding key from a keyserver:

Export the key from gpg and add it to your list of trusted keys for apt with apt-key:

Update:

just encountered the same problem again with the opera.com, luckily I remebered my own post :-)

and once again (how many different keys do they need?)


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8 Responses to “Fixing gpg errors with apt-get for dummies like me”

  1. 1

    i was able to get the first part Thank You!!!! but this part i did not understand please help me with this part thanks
    bernie
    Mr.B’s computer service center
    812-667-7478

    gpg –keyserver hkp://wwwkeys.eu.pgp.net –recv-keys 07DC563D1F41B907
    gpg: requesting key 1F41B907 from hkp server wwwkeys.eu.pgp.net
    gpg: key 1F41B907: “Christian Marillat ” not changed
    gpg: Total number processed: 1
    gpg: unchanged: 1

    Export the key again and add it with apt-key:

    gpg –armor –export 07DC563D1F41B907 | apt-key add -
    Bernie (April 17th, 2006 at 18:39)
  2. 2

    Bernie, added some explanations. Is it clearer now?
    Frank Spychalski (April 23rd, 2006 at 16:45)
  3. 3

    Great info. Very clean and easy to read. This is the one thing which I have never been able to memorize.. the requesting a gpg key from a keyserver. Thanks guys!
    wilsonjallan@gmail.com (August 4th, 2007 at 12:52)
  4. 4

    I had same problem, but the process above, not work.
    I obtain this message:
    jhon:/etc/apt# gpg –armor –export 07DC563D1F41B907 | apt-key add -
    gpg: [don't know]: invalid packet (ctb=23)
    gpg: keydb_get_keyblock failed: eof
    gpg: [don't know]: invalid packet (ctb=23)
    gpg: /etc/apt/trusted.gpg: copy to `/etc/apt/trusted.gpg.tmp’ failed: invalid packet
    gpg: error writing keyring `/etc/apt/trusted.gpg’: invalid packet
    gpg: error reading `-’: invalid packet
    gpg: import from `-’ failed: invalid packet
    jhon:/etc/apt#

    Please, helpme.

    jhon
    jhon (June 10th, 2008 at 02:38)
  5. 5

    Sorry, this is a gpg error I haven’t seen. You should ask on a gpg mailing list…
    Frank Spychalski (June 10th, 2008 at 10:37)
  6. 6

    THanks a lot for info) This warning constantly bothered me till your article)
    Dmity (June 24th, 2008 at 19:57)
  7. 7

    [...] Gespeichert unter: Nicht kategorisiert — nickolsen @ 5:35 Uhr nachmittags Klick mich! Klappt [...]
    apt-get update Key-Fehler beheben! « Nickolsen’s Techblog (September 1st, 2008 at 18:35)
  8. 8

    Thanks a lot. Worked very well and helped me a lot!

    greetz Nick
    Nick (September 25th, 2008 at 20:47)

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