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gpg: [don't know]: invalid packet (ctb=2d)


.gnupg/ and gpg.conf owner and permissions to satisty both GnuPG and EnigmailGPG Error while running apt-getGPG Invalid SignatureBroken package ubuntu-keyring (ubuntu 15.04 64 bit)I am installing jenkins server but its giving W: GPG error:Adding new PPA is causing GPG error after apt-get updatedual boot windows 10 and ubuntu 14.04 problem error no such deviceGPG error, signatures invalid [not-a-duplicate]GPG invalid signature on self-signed repositoryHow to solve gpg: invalid option “--full-generate-key”?I can't receive the new pubkey from tor through gpg













1















Trying to fix a problem with my keys on Ubuntu Trusty :



$ apt-key list >/dev/null

gpg: [don't know]: invalid packet (ctb=2d)

gpg: keydb_search_next failed: invalid packet


So I have backed up my keys from PPA repos into /etc/apt/trusted.gpg.d.BACKUP/ :



$ sudo mv /etc/apt/trusted.gpg.d /etc/apt/trusted.gpg.d.BACKUP

$ apt-key list | grep gpg$

/etc/apt/trusted.gpg


And then I imported the keys back to GPG :



$ sudo mkdir /etc/apt/trusted.gpg.d/

$ for file in $(ls /etc/apt/trusted.gpg.d.BACKUP/ | grep gpg$) 

> do

>   sudo gpg --no-default-keyring --keyring /etc/apt/trusted.gpg.d/$file --import /etc/apt/trusted.gpg.d.BACKUP/$file

> done

gpg: keyring `/etc/apt/trusted.gpg.d/andykimpe-gparted.gpg' created

gpg: key 274A7DA0: public key "Launchpad PPA for andykimpe" imported

gpg: Total number processed: 1

gpg:               imported: 1  (RSA: 1)

...

gpg: keyring `/etc/apt/trusted.gpg.d/openlp-core-release.gpg' created

gpg: key DF629112: public key "Launchpad Development Packages" imported

gpg: Total number processed: 1

gpg:               imported: 1  (RSA: 1)

$


And when I check, I still have the same :



$ apt-key list | grep gpg$

/etc/apt/trusted.gpg


It is as if nothing had been imported.



Can you help ?






14.04 gnupg







share|improve this question





























    1















    Trying to fix a problem with my keys on Ubuntu Trusty :



    $ apt-key list >/dev/null
    
gpg: [don't know]: invalid packet (ctb=2d)
    
gpg: keydb_search_next failed: invalid packet


    So I have backed up my keys from PPA repos into /etc/apt/trusted.gpg.d.BACKUP/ :



    $ sudo mv /etc/apt/trusted.gpg.d /etc/apt/trusted.gpg.d.BACKUP
    
$ apt-key list | grep gpg$
    
/etc/apt/trusted.gpg


    And then I imported the keys back to GPG :



    $ sudo mkdir /etc/apt/trusted.gpg.d/
    
$ for file in $(ls /etc/apt/trusted.gpg.d.BACKUP/ | grep gpg$) 
    
> do
    
>   sudo gpg --no-default-keyring --keyring /etc/apt/trusted.gpg.d/$file --import /etc/apt/trusted.gpg.d.BACKUP/$file
    
> done
    
gpg: keyring `/etc/apt/trusted.gpg.d/andykimpe-gparted.gpg' created
    
gpg: key 274A7DA0: public key "Launchpad PPA for andykimpe" imported
    
gpg: Total number processed: 1
    
gpg:               imported: 1  (RSA: 1)
    
...
    
gpg: keyring `/etc/apt/trusted.gpg.d/openlp-core-release.gpg' created
    
gpg: key DF629112: public key "Launchpad Development Packages" imported
    
gpg: Total number processed: 1
    
gpg:               imported: 1  (RSA: 1)
    
$


    And when I check, I still have the same :



    $ apt-key list | grep gpg$
    
/etc/apt/trusted.gpg


    It is as if nothing had been imported.



    Can you help ?






    14.04 gnupg







    share|improve this question



























      1












      1








      1








      Trying to fix a problem with my keys on Ubuntu Trusty :



      $ apt-key list >/dev/null
      
gpg: [don't know]: invalid packet (ctb=2d)
      
gpg: keydb_search_next failed: invalid packet


      So I have backed up my keys from PPA repos into /etc/apt/trusted.gpg.d.BACKUP/ :



      $ sudo mv /etc/apt/trusted.gpg.d /etc/apt/trusted.gpg.d.BACKUP
      
$ apt-key list | grep gpg$
      
/etc/apt/trusted.gpg


      And then I imported the keys back to GPG :



      $ sudo mkdir /etc/apt/trusted.gpg.d/
      
$ for file in $(ls /etc/apt/trusted.gpg.d.BACKUP/ | grep gpg$) 
      
> do
      
>   sudo gpg --no-default-keyring --keyring /etc/apt/trusted.gpg.d/$file --import /etc/apt/trusted.gpg.d.BACKUP/$file
      
> done
      
gpg: keyring `/etc/apt/trusted.gpg.d/andykimpe-gparted.gpg' created
      
gpg: key 274A7DA0: public key "Launchpad PPA for andykimpe" imported
      
gpg: Total number processed: 1
      
gpg:               imported: 1  (RSA: 1)
      
...
      
gpg: keyring `/etc/apt/trusted.gpg.d/openlp-core-release.gpg' created
      
gpg: key DF629112: public key "Launchpad Development Packages" imported
      
gpg: Total number processed: 1
      
gpg:               imported: 1  (RSA: 1)
      
$


      And when I check, I still have the same :



      $ apt-key list | grep gpg$
      
/etc/apt/trusted.gpg


      It is as if nothing had been imported.



      Can you help ?






      14.04 gnupg







      share|improve this question
















      Trying to fix a problem with my keys on Ubuntu Trusty :



      $ apt-key list >/dev/null
      
gpg: [don't know]: invalid packet (ctb=2d)
      
gpg: keydb_search_next failed: invalid packet


      So I have backed up my keys from PPA repos into /etc/apt/trusted.gpg.d.BACKUP/ :



      $ sudo mv /etc/apt/trusted.gpg.d /etc/apt/trusted.gpg.d.BACKUP
      
$ apt-key list | grep gpg$
      
/etc/apt/trusted.gpg


      And then I imported the keys back to GPG :



      $ sudo mkdir /etc/apt/trusted.gpg.d/
      
$ for file in $(ls /etc/apt/trusted.gpg.d.BACKUP/ | grep gpg$) 
      
> do
      
>   sudo gpg --no-default-keyring --keyring /etc/apt/trusted.gpg.d/$file --import /etc/apt/trusted.gpg.d.BACKUP/$file
      
> done
      
gpg: keyring `/etc/apt/trusted.gpg.d/andykimpe-gparted.gpg' created
      
gpg: key 274A7DA0: public key "Launchpad PPA for andykimpe" imported
      
gpg: Total number processed: 1
      
gpg:               imported: 1  (RSA: 1)
      
...
      
gpg: keyring `/etc/apt/trusted.gpg.d/openlp-core-release.gpg' created
      
gpg: key DF629112: public key "Launchpad Development Packages" imported
      
gpg: Total number processed: 1
      
gpg:               imported: 1  (RSA: 1)
      
$


      And when I check, I still have the same :



      $ apt-key list | grep gpg$
      
/etc/apt/trusted.gpg


      It is as if nothing had been imported.



      Can you help ?






      14.04 gnupg




      14.04 gnupg






      share|improve this question















      share|improve this question













      share|improve this question




      share|improve this question








      edited 4 hours ago







      SebMa

















      asked yesterday









      SebMaSebMa

      263210




      263210






















          1 Answer
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          active

          oldest

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          1














          It was a permission issue :





          $ ll -d /etc/apt/trusted.gpg /etc/apt/trusted.gpg.d /etc/apt/trusted.gpg.d/*.gpg | head
          
-rw-r--r-- 1 root root 12335 2019-02-24 11:31:28 /etc/apt/trusted.gpg
          
drwxr-xr-x 2 root root  4096 2019-02-24 12:00:11 /etc/apt/trusted.gpg.d/
          
-rw------- 1 root root  1132 2019-02-24 12:00:09 /etc/apt/trusted.gpg.d/andykimpe-gparted.gpg
          
-rw------- 1 root root   362 2019-02-24 12:00:09 /etc/apt/trusted.gpg.d/brightbox-ruby-ng.gpg
          
-rw------- 1 root root   353 2019-02-24 12:00:09 /etc/apt/trusted.gpg.d/cairo-dock-team-ppa.gpg
          
-rw------- 1 root root   364 2019-02-24 12:00:09 /etc/apt/trusted.gpg.d/centrych-updates.gpg
          
-rw------- 1 root root  9178 2019-02-24 12:00:10 /etc/apt/trusted.gpg.d/debian-archive-squeeze-automatic.gpg
          
-rw------- 1 root root  3780 2019-02-24 12:00:10 /etc/apt/trusted.gpg.d/debian-archive-wheezy-automatic.gpg
          
-rw------- 1 root root  2851 2019-02-24 12:00:10 /etc/apt/trusted.gpg.d/debian-archive-wheezy-stable.gpg
          
-rw------- 1 root root   357 2019-02-24 12:00:10 /etc/apt/trusted.gpg.d/djcj-hybrid.gpg
          
$ sudo chmod -v a+r /etc/apt/trusted.gpg.d/*.gpg
          
mode of ‘/etc/apt/trusted.gpg.d/andykimpe-gparted.gpg’ changed from 0600 (rw-------) to 0644 (rw-r--r--)
          
mode of ‘/etc/apt/trusted.gpg.d/brightbox-ruby-ng.gpg’ changed from 0600 (rw-------) to 0644 (rw-r--r--)
          
mode of ‘/etc/apt/trusted.gpg.d/cairo-dock-team-ppa.gpg’ changed from 0600 (rw-------) to 0644 (rw-r--r--)
          
mode of ‘/etc/apt/trusted.gpg.d/centrych-updates.gpg’ changed from 0600 (rw-------) to 0644 (rw-r--r--)
          
mode of ‘/etc/apt/trusted.gpg.d/debian-archive-squeeze-automatic.gpg’ changed from 0600 (rw-------) to 0644 (rw-r--r--)
          
mode of ‘/etc/apt/trusted.gpg.d/debian-archive-wheezy-automatic.gpg’ changed from 0600 (rw-------) to 0644 (rw-r--r--)
          
mode of ‘/etc/apt/trusted.gpg.d/debian-archive-wheezy-stable.gpg’ changed from 0600 (rw-------) to 0644 (rw-r--r--)
          
mode of ‘/etc/apt/trusted.gpg.d/djcj-hybrid.gpg’ changed from 0600 (rw-------) to 0644 (rw-r--r--)
          
...
          
$ apt-key list | grep gpg$
          
/etc/apt/trusted.gpg
          
/etc/apt/trusted.gpg.d/andykimpe-gparted.gpg
          
/etc/apt/trusted.gpg.d/brightbox-ruby-ng.gpg
          
/etc/apt/trusted.gpg.d/cairo-dock-team-ppa.gpg
          
/etc/apt/trusted.gpg.d/centrych-updates.gpg
          
/etc/apt/trusted.gpg.d/debian-archive-squeeze-automatic.gpg
          
/etc/apt/trusted.gpg.d/debian-archive-wheezy-automatic.gpg
          
/etc/apt/trusted.gpg.d/debian-archive-wheezy-stable.gpg
          
/etc/apt/trusted.gpg.d/djcj-hybrid.gpg
          
...
          
$ sudo apt update
          
...
          
Fetched 143 kB in 26s (5 487 B/s)
          
W: GPG error: http://liveusb.info all Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 4E940D7FDD7FB8CC
          
W: GPG error: http://kovacsoltvideo.hu ./ Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY ADC80AAEABE7778C
          
W: GPG error: http://ppa.launchpad.net trusty InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 3BDAAC08614C4B38
          
W: GPG error: http://ppa.launchpad.net trusty InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 69AD89E0EC179BCC
          
W: GPG error: http://ppa.launchpad.net trusty InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY A7E13D78E4A4F4F4
          
W: GPG error: http://ppa.launchpad.net trusty InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY FE7385FFAC9B079A
          
W: GPG error: http://ppa.launchpad.net trusty InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 6D975C4791E7EE5E
          
W: GPG error: http://ppa.launchpad.net trusty InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 4C1CBE14852541CB
          
W: GPG error: http://ppa.launchpad.net trusty InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY EBB4CCF6A72BC110
          
W: GPG error: http://ppa.launchpad.net trusty InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 03647209B58A653A
          
W: GPG error: http://ppa.launchpad.net trusty InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 03647209B58A653A
          
W: GPG error: http://ppa.launchpad.net trusty Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY BE362D6D32DE30FB
          
W: GPG error: http://ppa.launchpad.net trusty Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY BC3E0682A5A1D6B2
          
W: GPG error: http://ppa.launchpad.net trusty Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 60ED5CE429FFDC52
          
W: GPG error: http://ppa.launchpad.net trusty Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 55E2097C08E6D617
          
W: Failed to fetch http://build.openvpn.net/debian/openvpn/stable/dists/trusty/main/binary-i386/Packages  403  Forbidden [IP: 146.112.61.106 80]
          

          
E: Some index files failed to download. They have been ignored, or old ones used instead.


          Then I looped over the missing keys with the command sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys $key and now it is finally solved.






          share|improve this answer

























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            1














            It was a permission issue :





            $ ll -d /etc/apt/trusted.gpg /etc/apt/trusted.gpg.d /etc/apt/trusted.gpg.d/*.gpg | head
            
-rw-r--r-- 1 root root 12335 2019-02-24 11:31:28 /etc/apt/trusted.gpg
            
drwxr-xr-x 2 root root  4096 2019-02-24 12:00:11 /etc/apt/trusted.gpg.d/
            
-rw------- 1 root root  1132 2019-02-24 12:00:09 /etc/apt/trusted.gpg.d/andykimpe-gparted.gpg
            
-rw------- 1 root root   362 2019-02-24 12:00:09 /etc/apt/trusted.gpg.d/brightbox-ruby-ng.gpg
            
-rw------- 1 root root   353 2019-02-24 12:00:09 /etc/apt/trusted.gpg.d/cairo-dock-team-ppa.gpg
            
-rw------- 1 root root   364 2019-02-24 12:00:09 /etc/apt/trusted.gpg.d/centrych-updates.gpg
            
-rw------- 1 root root  9178 2019-02-24 12:00:10 /etc/apt/trusted.gpg.d/debian-archive-squeeze-automatic.gpg
            
-rw------- 1 root root  3780 2019-02-24 12:00:10 /etc/apt/trusted.gpg.d/debian-archive-wheezy-automatic.gpg
            
-rw------- 1 root root  2851 2019-02-24 12:00:10 /etc/apt/trusted.gpg.d/debian-archive-wheezy-stable.gpg
            
-rw------- 1 root root   357 2019-02-24 12:00:10 /etc/apt/trusted.gpg.d/djcj-hybrid.gpg
            
$ sudo chmod -v a+r /etc/apt/trusted.gpg.d/*.gpg
            
mode of ‘/etc/apt/trusted.gpg.d/andykimpe-gparted.gpg’ changed from 0600 (rw-------) to 0644 (rw-r--r--)
            
mode of ‘/etc/apt/trusted.gpg.d/brightbox-ruby-ng.gpg’ changed from 0600 (rw-------) to 0644 (rw-r--r--)
            
mode of ‘/etc/apt/trusted.gpg.d/cairo-dock-team-ppa.gpg’ changed from 0600 (rw-------) to 0644 (rw-r--r--)
            
mode of ‘/etc/apt/trusted.gpg.d/centrych-updates.gpg’ changed from 0600 (rw-------) to 0644 (rw-r--r--)
            
mode of ‘/etc/apt/trusted.gpg.d/debian-archive-squeeze-automatic.gpg’ changed from 0600 (rw-------) to 0644 (rw-r--r--)
            
mode of ‘/etc/apt/trusted.gpg.d/debian-archive-wheezy-automatic.gpg’ changed from 0600 (rw-------) to 0644 (rw-r--r--)
            
mode of ‘/etc/apt/trusted.gpg.d/debian-archive-wheezy-stable.gpg’ changed from 0600 (rw-------) to 0644 (rw-r--r--)
            
mode of ‘/etc/apt/trusted.gpg.d/djcj-hybrid.gpg’ changed from 0600 (rw-------) to 0644 (rw-r--r--)
            
...
            
$ apt-key list | grep gpg$
            
/etc/apt/trusted.gpg
            
/etc/apt/trusted.gpg.d/andykimpe-gparted.gpg
            
/etc/apt/trusted.gpg.d/brightbox-ruby-ng.gpg
            
/etc/apt/trusted.gpg.d/cairo-dock-team-ppa.gpg
            
/etc/apt/trusted.gpg.d/centrych-updates.gpg
            
/etc/apt/trusted.gpg.d/debian-archive-squeeze-automatic.gpg
            
/etc/apt/trusted.gpg.d/debian-archive-wheezy-automatic.gpg
            
/etc/apt/trusted.gpg.d/debian-archive-wheezy-stable.gpg
            
/etc/apt/trusted.gpg.d/djcj-hybrid.gpg
            
...
            
$ sudo apt update
            
...
            
Fetched 143 kB in 26s (5 487 B/s)
            
W: GPG error: http://liveusb.info all Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 4E940D7FDD7FB8CC
            
W: GPG error: http://kovacsoltvideo.hu ./ Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY ADC80AAEABE7778C
            
W: GPG error: http://ppa.launchpad.net trusty InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 3BDAAC08614C4B38
            
W: GPG error: http://ppa.launchpad.net trusty InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 69AD89E0EC179BCC
            
W: GPG error: http://ppa.launchpad.net trusty InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY A7E13D78E4A4F4F4
            
W: GPG error: http://ppa.launchpad.net trusty InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY FE7385FFAC9B079A
            
W: GPG error: http://ppa.launchpad.net trusty InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 6D975C4791E7EE5E
            
W: GPG error: http://ppa.launchpad.net trusty InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 4C1CBE14852541CB
            
W: GPG error: http://ppa.launchpad.net trusty InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY EBB4CCF6A72BC110
            
W: GPG error: http://ppa.launchpad.net trusty InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 03647209B58A653A
            
W: GPG error: http://ppa.launchpad.net trusty InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 03647209B58A653A
            
W: GPG error: http://ppa.launchpad.net trusty Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY BE362D6D32DE30FB
            
W: GPG error: http://ppa.launchpad.net trusty Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY BC3E0682A5A1D6B2
            
W: GPG error: http://ppa.launchpad.net trusty Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 60ED5CE429FFDC52
            
W: GPG error: http://ppa.launchpad.net trusty Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 55E2097C08E6D617
            
W: Failed to fetch http://build.openvpn.net/debian/openvpn/stable/dists/trusty/main/binary-i386/Packages  403  Forbidden [IP: 146.112.61.106 80]
            

            
E: Some index files failed to download. They have been ignored, or old ones used instead.


            Then I looped over the missing keys with the command sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys $key and now it is finally solved.






            share|improve this answer






























              1














              It was a permission issue :





              $ ll -d /etc/apt/trusted.gpg /etc/apt/trusted.gpg.d /etc/apt/trusted.gpg.d/*.gpg | head
              
-rw-r--r-- 1 root root 12335 2019-02-24 11:31:28 /etc/apt/trusted.gpg
              
drwxr-xr-x 2 root root  4096 2019-02-24 12:00:11 /etc/apt/trusted.gpg.d/
              
-rw------- 1 root root  1132 2019-02-24 12:00:09 /etc/apt/trusted.gpg.d/andykimpe-gparted.gpg
              
-rw------- 1 root root   362 2019-02-24 12:00:09 /etc/apt/trusted.gpg.d/brightbox-ruby-ng.gpg
              
-rw------- 1 root root   353 2019-02-24 12:00:09 /etc/apt/trusted.gpg.d/cairo-dock-team-ppa.gpg
              
-rw------- 1 root root   364 2019-02-24 12:00:09 /etc/apt/trusted.gpg.d/centrych-updates.gpg
              
-rw------- 1 root root  9178 2019-02-24 12:00:10 /etc/apt/trusted.gpg.d/debian-archive-squeeze-automatic.gpg
              
-rw------- 1 root root  3780 2019-02-24 12:00:10 /etc/apt/trusted.gpg.d/debian-archive-wheezy-automatic.gpg
              
-rw------- 1 root root  2851 2019-02-24 12:00:10 /etc/apt/trusted.gpg.d/debian-archive-wheezy-stable.gpg
              
-rw------- 1 root root   357 2019-02-24 12:00:10 /etc/apt/trusted.gpg.d/djcj-hybrid.gpg
              
$ sudo chmod -v a+r /etc/apt/trusted.gpg.d/*.gpg
              
mode of ‘/etc/apt/trusted.gpg.d/andykimpe-gparted.gpg’ changed from 0600 (rw-------) to 0644 (rw-r--r--)
              
mode of ‘/etc/apt/trusted.gpg.d/brightbox-ruby-ng.gpg’ changed from 0600 (rw-------) to 0644 (rw-r--r--)
              
mode of ‘/etc/apt/trusted.gpg.d/cairo-dock-team-ppa.gpg’ changed from 0600 (rw-------) to 0644 (rw-r--r--)
              
mode of ‘/etc/apt/trusted.gpg.d/centrych-updates.gpg’ changed from 0600 (rw-------) to 0644 (rw-r--r--)
              
mode of ‘/etc/apt/trusted.gpg.d/debian-archive-squeeze-automatic.gpg’ changed from 0600 (rw-------) to 0644 (rw-r--r--)
              
mode of ‘/etc/apt/trusted.gpg.d/debian-archive-wheezy-automatic.gpg’ changed from 0600 (rw-------) to 0644 (rw-r--r--)
              
mode of ‘/etc/apt/trusted.gpg.d/debian-archive-wheezy-stable.gpg’ changed from 0600 (rw-------) to 0644 (rw-r--r--)
              
mode of ‘/etc/apt/trusted.gpg.d/djcj-hybrid.gpg’ changed from 0600 (rw-------) to 0644 (rw-r--r--)
              
...
              
$ apt-key list | grep gpg$
              
/etc/apt/trusted.gpg
              
/etc/apt/trusted.gpg.d/andykimpe-gparted.gpg
              
/etc/apt/trusted.gpg.d/brightbox-ruby-ng.gpg
              
/etc/apt/trusted.gpg.d/cairo-dock-team-ppa.gpg
              
/etc/apt/trusted.gpg.d/centrych-updates.gpg
              
/etc/apt/trusted.gpg.d/debian-archive-squeeze-automatic.gpg
              
/etc/apt/trusted.gpg.d/debian-archive-wheezy-automatic.gpg
              
/etc/apt/trusted.gpg.d/debian-archive-wheezy-stable.gpg
              
/etc/apt/trusted.gpg.d/djcj-hybrid.gpg
              
...
              
$ sudo apt update
              
...
              
Fetched 143 kB in 26s (5 487 B/s)
              
W: GPG error: http://liveusb.info all Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 4E940D7FDD7FB8CC
              
W: GPG error: http://kovacsoltvideo.hu ./ Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY ADC80AAEABE7778C
              
W: GPG error: http://ppa.launchpad.net trusty InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 3BDAAC08614C4B38
              
W: GPG error: http://ppa.launchpad.net trusty InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 69AD89E0EC179BCC
              
W: GPG error: http://ppa.launchpad.net trusty InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY A7E13D78E4A4F4F4
              
W: GPG error: http://ppa.launchpad.net trusty InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY FE7385FFAC9B079A
              
W: GPG error: http://ppa.launchpad.net trusty InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 6D975C4791E7EE5E
              
W: GPG error: http://ppa.launchpad.net trusty InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 4C1CBE14852541CB
              
W: GPG error: http://ppa.launchpad.net trusty InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY EBB4CCF6A72BC110
              
W: GPG error: http://ppa.launchpad.net trusty InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 03647209B58A653A
              
W: GPG error: http://ppa.launchpad.net trusty InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 03647209B58A653A
              
W: GPG error: http://ppa.launchpad.net trusty Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY BE362D6D32DE30FB
              
W: GPG error: http://ppa.launchpad.net trusty Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY BC3E0682A5A1D6B2
              
W: GPG error: http://ppa.launchpad.net trusty Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 60ED5CE429FFDC52
              
W: GPG error: http://ppa.launchpad.net trusty Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 55E2097C08E6D617
              
W: Failed to fetch http://build.openvpn.net/debian/openvpn/stable/dists/trusty/main/binary-i386/Packages  403  Forbidden [IP: 146.112.61.106 80]
              

              
E: Some index files failed to download. They have been ignored, or old ones used instead.


              Then I looped over the missing keys with the command sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys $key and now it is finally solved.






              share|improve this answer




























                1












                1








                1







                It was a permission issue :





                $ ll -d /etc/apt/trusted.gpg /etc/apt/trusted.gpg.d /etc/apt/trusted.gpg.d/*.gpg | head
                
-rw-r--r-- 1 root root 12335 2019-02-24 11:31:28 /etc/apt/trusted.gpg
                
drwxr-xr-x 2 root root  4096 2019-02-24 12:00:11 /etc/apt/trusted.gpg.d/
                
-rw------- 1 root root  1132 2019-02-24 12:00:09 /etc/apt/trusted.gpg.d/andykimpe-gparted.gpg
                
-rw------- 1 root root   362 2019-02-24 12:00:09 /etc/apt/trusted.gpg.d/brightbox-ruby-ng.gpg
                
-rw------- 1 root root   353 2019-02-24 12:00:09 /etc/apt/trusted.gpg.d/cairo-dock-team-ppa.gpg
                
-rw------- 1 root root   364 2019-02-24 12:00:09 /etc/apt/trusted.gpg.d/centrych-updates.gpg
                
-rw------- 1 root root  9178 2019-02-24 12:00:10 /etc/apt/trusted.gpg.d/debian-archive-squeeze-automatic.gpg
                
-rw------- 1 root root  3780 2019-02-24 12:00:10 /etc/apt/trusted.gpg.d/debian-archive-wheezy-automatic.gpg
                
-rw------- 1 root root  2851 2019-02-24 12:00:10 /etc/apt/trusted.gpg.d/debian-archive-wheezy-stable.gpg
                
-rw------- 1 root root   357 2019-02-24 12:00:10 /etc/apt/trusted.gpg.d/djcj-hybrid.gpg
                
$ sudo chmod -v a+r /etc/apt/trusted.gpg.d/*.gpg
                
mode of ‘/etc/apt/trusted.gpg.d/andykimpe-gparted.gpg’ changed from 0600 (rw-------) to 0644 (rw-r--r--)
                
mode of ‘/etc/apt/trusted.gpg.d/brightbox-ruby-ng.gpg’ changed from 0600 (rw-------) to 0644 (rw-r--r--)
                
mode of ‘/etc/apt/trusted.gpg.d/cairo-dock-team-ppa.gpg’ changed from 0600 (rw-------) to 0644 (rw-r--r--)
                
mode of ‘/etc/apt/trusted.gpg.d/centrych-updates.gpg’ changed from 0600 (rw-------) to 0644 (rw-r--r--)
                
mode of ‘/etc/apt/trusted.gpg.d/debian-archive-squeeze-automatic.gpg’ changed from 0600 (rw-------) to 0644 (rw-r--r--)
                
mode of ‘/etc/apt/trusted.gpg.d/debian-archive-wheezy-automatic.gpg’ changed from 0600 (rw-------) to 0644 (rw-r--r--)
                
mode of ‘/etc/apt/trusted.gpg.d/debian-archive-wheezy-stable.gpg’ changed from 0600 (rw-------) to 0644 (rw-r--r--)
                
mode of ‘/etc/apt/trusted.gpg.d/djcj-hybrid.gpg’ changed from 0600 (rw-------) to 0644 (rw-r--r--)
                
...
                
$ apt-key list | grep gpg$
                
/etc/apt/trusted.gpg
                
/etc/apt/trusted.gpg.d/andykimpe-gparted.gpg
                
/etc/apt/trusted.gpg.d/brightbox-ruby-ng.gpg
                
/etc/apt/trusted.gpg.d/cairo-dock-team-ppa.gpg
                
/etc/apt/trusted.gpg.d/centrych-updates.gpg
                
/etc/apt/trusted.gpg.d/debian-archive-squeeze-automatic.gpg
                
/etc/apt/trusted.gpg.d/debian-archive-wheezy-automatic.gpg
                
/etc/apt/trusted.gpg.d/debian-archive-wheezy-stable.gpg
                
/etc/apt/trusted.gpg.d/djcj-hybrid.gpg
                
...
                
$ sudo apt update
                
...
                
Fetched 143 kB in 26s (5 487 B/s)
                
W: GPG error: http://liveusb.info all Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 4E940D7FDD7FB8CC
                
W: GPG error: http://kovacsoltvideo.hu ./ Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY ADC80AAEABE7778C
                
W: GPG error: http://ppa.launchpad.net trusty InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 3BDAAC08614C4B38
                
W: GPG error: http://ppa.launchpad.net trusty InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 69AD89E0EC179BCC
                
W: GPG error: http://ppa.launchpad.net trusty InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY A7E13D78E4A4F4F4
                
W: GPG error: http://ppa.launchpad.net trusty InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY FE7385FFAC9B079A
                
W: GPG error: http://ppa.launchpad.net trusty InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 6D975C4791E7EE5E
                
W: GPG error: http://ppa.launchpad.net trusty InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 4C1CBE14852541CB
                
W: GPG error: http://ppa.launchpad.net trusty InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY EBB4CCF6A72BC110
                
W: GPG error: http://ppa.launchpad.net trusty InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 03647209B58A653A
                
W: GPG error: http://ppa.launchpad.net trusty InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 03647209B58A653A
                
W: GPG error: http://ppa.launchpad.net trusty Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY BE362D6D32DE30FB
                
W: GPG error: http://ppa.launchpad.net trusty Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY BC3E0682A5A1D6B2
                
W: GPG error: http://ppa.launchpad.net trusty Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 60ED5CE429FFDC52
                
W: GPG error: http://ppa.launchpad.net trusty Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 55E2097C08E6D617
                
W: Failed to fetch http://build.openvpn.net/debian/openvpn/stable/dists/trusty/main/binary-i386/Packages  403  Forbidden [IP: 146.112.61.106 80]
                

                
E: Some index files failed to download. They have been ignored, or old ones used instead.


                Then I looped over the missing keys with the command sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys $key and now it is finally solved.






                share|improve this answer















                It was a permission issue :





                $ ll -d /etc/apt/trusted.gpg /etc/apt/trusted.gpg.d /etc/apt/trusted.gpg.d/*.gpg | head
                
-rw-r--r-- 1 root root 12335 2019-02-24 11:31:28 /etc/apt/trusted.gpg
                
drwxr-xr-x 2 root root  4096 2019-02-24 12:00:11 /etc/apt/trusted.gpg.d/
                
-rw------- 1 root root  1132 2019-02-24 12:00:09 /etc/apt/trusted.gpg.d/andykimpe-gparted.gpg
                
-rw------- 1 root root   362 2019-02-24 12:00:09 /etc/apt/trusted.gpg.d/brightbox-ruby-ng.gpg
                
-rw------- 1 root root   353 2019-02-24 12:00:09 /etc/apt/trusted.gpg.d/cairo-dock-team-ppa.gpg
                
-rw------- 1 root root   364 2019-02-24 12:00:09 /etc/apt/trusted.gpg.d/centrych-updates.gpg
                
-rw------- 1 root root  9178 2019-02-24 12:00:10 /etc/apt/trusted.gpg.d/debian-archive-squeeze-automatic.gpg
                
-rw------- 1 root root  3780 2019-02-24 12:00:10 /etc/apt/trusted.gpg.d/debian-archive-wheezy-automatic.gpg
                
-rw------- 1 root root  2851 2019-02-24 12:00:10 /etc/apt/trusted.gpg.d/debian-archive-wheezy-stable.gpg
                
-rw------- 1 root root   357 2019-02-24 12:00:10 /etc/apt/trusted.gpg.d/djcj-hybrid.gpg
                
$ sudo chmod -v a+r /etc/apt/trusted.gpg.d/*.gpg
                
mode of ‘/etc/apt/trusted.gpg.d/andykimpe-gparted.gpg’ changed from 0600 (rw-------) to 0644 (rw-r--r--)
                
mode of ‘/etc/apt/trusted.gpg.d/brightbox-ruby-ng.gpg’ changed from 0600 (rw-------) to 0644 (rw-r--r--)
                
mode of ‘/etc/apt/trusted.gpg.d/cairo-dock-team-ppa.gpg’ changed from 0600 (rw-------) to 0644 (rw-r--r--)
                
mode of ‘/etc/apt/trusted.gpg.d/centrych-updates.gpg’ changed from 0600 (rw-------) to 0644 (rw-r--r--)
                
mode of ‘/etc/apt/trusted.gpg.d/debian-archive-squeeze-automatic.gpg’ changed from 0600 (rw-------) to 0644 (rw-r--r--)
                
mode of ‘/etc/apt/trusted.gpg.d/debian-archive-wheezy-automatic.gpg’ changed from 0600 (rw-------) to 0644 (rw-r--r--)
                
mode of ‘/etc/apt/trusted.gpg.d/debian-archive-wheezy-stable.gpg’ changed from 0600 (rw-------) to 0644 (rw-r--r--)
                
mode of ‘/etc/apt/trusted.gpg.d/djcj-hybrid.gpg’ changed from 0600 (rw-------) to 0644 (rw-r--r--)
                
...
                
$ apt-key list | grep gpg$
                
/etc/apt/trusted.gpg
                
/etc/apt/trusted.gpg.d/andykimpe-gparted.gpg
                
/etc/apt/trusted.gpg.d/brightbox-ruby-ng.gpg
                
/etc/apt/trusted.gpg.d/cairo-dock-team-ppa.gpg
                
/etc/apt/trusted.gpg.d/centrych-updates.gpg
                
/etc/apt/trusted.gpg.d/debian-archive-squeeze-automatic.gpg
                
/etc/apt/trusted.gpg.d/debian-archive-wheezy-automatic.gpg
                
/etc/apt/trusted.gpg.d/debian-archive-wheezy-stable.gpg
                
/etc/apt/trusted.gpg.d/djcj-hybrid.gpg
                
...
                
$ sudo apt update
                
...
                
Fetched 143 kB in 26s (5 487 B/s)
                
W: GPG error: http://liveusb.info all Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 4E940D7FDD7FB8CC
                
W: GPG error: http://kovacsoltvideo.hu ./ Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY ADC80AAEABE7778C
                
W: GPG error: http://ppa.launchpad.net trusty InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 3BDAAC08614C4B38
                
W: GPG error: http://ppa.launchpad.net trusty InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 69AD89E0EC179BCC
                
W: GPG error: http://ppa.launchpad.net trusty InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY A7E13D78E4A4F4F4
                
W: GPG error: http://ppa.launchpad.net trusty InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY FE7385FFAC9B079A
                
W: GPG error: http://ppa.launchpad.net trusty InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 6D975C4791E7EE5E
                
W: GPG error: http://ppa.launchpad.net trusty InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 4C1CBE14852541CB
                
W: GPG error: http://ppa.launchpad.net trusty InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY EBB4CCF6A72BC110
                
W: GPG error: http://ppa.launchpad.net trusty InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 03647209B58A653A
                
W: GPG error: http://ppa.launchpad.net trusty InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 03647209B58A653A
                
W: GPG error: http://ppa.launchpad.net trusty Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY BE362D6D32DE30FB
                
W: GPG error: http://ppa.launchpad.net trusty Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY BC3E0682A5A1D6B2
                
W: GPG error: http://ppa.launchpad.net trusty Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 60ED5CE429FFDC52
                
W: GPG error: http://ppa.launchpad.net trusty Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 55E2097C08E6D617
                
W: Failed to fetch http://build.openvpn.net/debian/openvpn/stable/dists/trusty/main/binary-i386/Packages  403  Forbidden [IP: 146.112.61.106 80]
                

                
E: Some index files failed to download. They have been ignored, or old ones used instead.


                Then I looped over the missing keys with the command sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys $key and now it is finally solved.







                share|improve this answer














                share|improve this answer



                share|improve this answer








                edited 3 hours ago

























                answered 5 hours ago









                SebMaSebMa

                263210




                263210






























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