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Thread: Update Manager NO_PUBKEY

  1. #1
    Join Date
    Nov 2009
    Beans
    598
    Distro
    Ubuntu 11.04 Natty Narwhal

    Exclamation Update Manager NO_PUBKEY

    Hey everybody,

    I've noticed this problem in Update Manager, when ever I check for updates it gives me an error message:

    W: GPG error: http://ppa.launchpad.net lucid Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 8E5D2411637A5E2A
    W: GPG error: http://ppa.launchpad.net lucid Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 8E5D2411637A5E2A
    So when I try to find the public key using a method I found on the forums earlier today:

    Code:
    gpg --keyserver hkp://subkeys.pgp.net --recv-keys 8E5D2411637A5E2A
    It returns

    gpg: requesting key 637A5E2A from hkp server subkeys.pgp.net
    gpgkeys: key 8E5D2411637A5E2A not found on keyserver
    gpg: no valid OpenPGP data found.
    gpg: Total number processed: 0
    So I didn't try the rest of the solution.

    Does anybody have the same problem? What is key 8E5D2411637A5E2A?
    It doesn't seem to impair Ubuntu or its updating process - it appears to update everything on the system even without the key. So I'm not sure if I'm missing anything from not having that key or can I just delete it?

    Thank you.
    - Justin Reno
    Need an easy way to store files publicly or even privately without hassle over the internet to be accessed anywhere? Try Dropbox. Use this link to get an extra 250MB of storage!

  2. #2
    Join Date
    Jul 2007
    Location
    Magic City of the Plains
    Beans
    Hidden!
    Distro
    Xubuntu 20.04 Focal Fossa

    Re: Update Manager NO_PUBKEY

    Have you tried the Ubuntu key server?
    Code:
    sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys 8E5D2411637A5E2A

  3. #3
    Join Date
    Nov 2009
    Beans
    598
    Distro
    Ubuntu 11.04 Natty Narwhal

    Re: Update Manager NO_PUBKEY

    Thank you oldos2er! That works and there is no more error in Update Manager.
    - Justin Reno
    Need an easy way to store files publicly or even privately without hassle over the internet to be accessed anywhere? Try Dropbox. Use this link to get an extra 250MB of storage!

  4. #4
    wojox is offline I Ubuntu, Therefore, I Am
    Join Date
    Apr 2009
    Beans
    8,628

    Re: Update Manager NO_PUBKEY

    Please mark as Solved.

  5. #5
    Join Date
    Dec 2006
    Beans
    35

    Re: Update Manager NO_PUBKEY

    Not solved for me, I still get the same GPG error, with the ubuntu key server or other ones. Below is my attempt to update keys and apt lists

    Code:
    r@r-laptop:~$ sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys 40976EAF437D05B5
    Executing: gpg --ignore-time-conflict --no-options --no-default-keyring --secret-keyring /etc/apt/secring.gpg --trustdb-name /etc/apt/trustdb.gpg --keyring /etc/apt/trusted.gpg --primary-keyring /etc/apt/trusted.gpg --keyring /etc/apt/trusted.gpg.d/launchpad-c-korn.gpg --keyserver keyserver.ubuntu.com --recv-keys 40976EAF437D05B5
    gpg: requesting key 437D05B5 from hkp server keyserver.ubuntu.com
    gpg: key 437D05B5: "Ubuntu Archive Automatic Signing Key <ftpmaster@ubuntu.com>" not changed
    gpg: Total number processed: 1
    gpg:              unchanged: 1
    r@r-laptop:~$ sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys 40976EAF437D05B5 2EBC26B60C5A2783 40976EAF437D05B5 40976EAF437D05B5 FC918B335044912E 71346C8340130828 A040830F7FAC5991
    Executing: gpg --ignore-time-conflict --no-options --no-default-keyring --secret-keyring /etc/apt/secring.gpg --trustdb-name /etc/apt/trustdb.gpg --keyring /etc/apt/trusted.gpg --primary-keyring /etc/apt/trusted.gpg --keyring /etc/apt/trusted.gpg.d/launchpad-c-korn.gpg --keyserver keyserver.ubuntu.com --recv-keys 40976EAF437D05B5 2EBC26B60C5A2783 40976EAF437D05B5 40976EAF437D05B5 FC918B335044912E 71346C8340130828 A040830F7FAC5991
    gpg: requesting key 437D05B5 from hkp server keyserver.ubuntu.com
    gpg: requesting key 0C5A2783 from hkp server keyserver.ubuntu.com
    gpg: requesting key 437D05B5 from hkp server keyserver.ubuntu.com
    gpg: requesting key 437D05B5 from hkp server keyserver.ubuntu.com
    gpg: requesting key 5044912E from hkp server keyserver.ubuntu.com
    gpg: requesting key 40130828 from hkp server keyserver.ubuntu.com
    gpg: requesting key 7FAC5991 from hkp server keyserver.ubuntu.com
    gpg: key 437D05B5: "Ubuntu Archive Automatic Signing Key <ftpmaster@ubuntu.com>" not changed
    gpg: key 0C5A2783: "Medibuntu Packaging Team <admin@lists.medibuntu.org>" not changed
    gpg: key 437D05B5: "Ubuntu Archive Automatic Signing Key <ftpmaster@ubuntu.com>" not changed
    gpg: key 437D05B5: "Ubuntu Archive Automatic Signing Key <ftpmaster@ubuntu.com>" not changed
    gpg: key 5044912E: "Dropbox Automatic Signing Key <linux@dropbox.com>" not changed
    gpg: key 40130828: "Launchpad PPA for Christoph Korn" not changed
    gpg: key 7FAC5991: "Google, Inc. Linux Package Signing Key <linux-packages-keymaster@google.com>" not changed
    gpg: Total number processed: 7
    gpg:              unchanged: 7
    r@r-laptop:~$ sudo apt-get update
    Get:1 http://dl.google.com stable Release.gpg [191B]                                                                                      
    Get:2 http://linux.dropbox.com lucid Release.gpg [489B]                                                                                   
    Ign http://linux.dropbox.com/ubuntu/ lucid/main Translation-en_AU                                                                         
    Get:3 http://archive.ubuntu.com lucid Release.gpg [189B]                                                                               
    Hit http://archive.ubuntu.com/ubuntu/ lucid/main Translation-en_AU                                                                        
    Ign http://dl.google.com/linux/deb/ stable/main Translation-en_AU                                           
    Get:4 http://linux.dropbox.com lucid Release [2,599B]                                                       
    Get:5 http://dl.google.com stable Release [1,310B]                                                                                        
    Ign http://linux.dropbox.com lucid Release                                                                                   
    Err http://dl.google.com stable Release                                                                                                   
      
    Get:6 http://ppa.launchpad.net lucid Release.gpg [307B]                                                                                   
    Ign http://ppa.launchpad.net/c-korn/ppa/ubuntu/ lucid/main Translation-en_AU                                               
    Hit http://archive.ubuntu.com/ubuntu/ lucid/restricted Translation-en_AU                                                   
    Ign http://archive.ubuntu.com/ubuntu/ lucid/universe Translation-en_AU                               
    Hit http://archive.ubuntu.com/ubuntu/ lucid/multiverse Translation-en_AU                             
    Get:7 http://archive.ubuntu.com lucid-updates Release.gpg [189B]                                                           
    Ign http://archive.ubuntu.com/ubuntu/ lucid-updates/main Translation-en_AU                                                          
    Ign http://archive.ubuntu.com/ubuntu/ lucid-updates/restricted Translation-en_AU                     
    Ign http://archive.ubuntu.com/ubuntu/ lucid-updates/universe Translation-en_AU                       
    Ign http://archive.ubuntu.com/ubuntu/ lucid-updates/multiverse Translation-en_AU                     
    Get:8 http://archive.ubuntu.com lucid-security Release.gpg [189B]                                                          
    Hit http://linux.dropbox.com lucid/main Packages                                                                                    
    Ign http://archive.ubuntu.com/ubuntu/ lucid-security/main Translation-en_AU                                                
    Get:9 http://ppa.launchpad.net lucid Release [57.3kB]                                                
    Ign http://ppa.launchpad.net lucid Release                                    
    Ign http://archive.ubuntu.com/ubuntu/ lucid-security/restricted Translation-en_AU
    Ign http://archive.ubuntu.com/ubuntu/ lucid-security/universe Translation-en_AU
    Ign http://archive.ubuntu.com/ubuntu/ lucid-security/multiverse Translation-en_AU
    Get:10 http://archive.ubuntu.com lucid Release [57.2kB]
    Ign http://archive.ubuntu.com lucid Release                                                   
    Get:11 http://packages.medibuntu.org lucid Release.gpg [197B]                                 
    Ign http://packages.medibuntu.org/ lucid/free Translation-en_AU                
    Ign http://packages.medibuntu.org/ lucid/non-free Translation-en_AU
    Get:12 http://archive.ubuntu.com lucid-updates Release [44.7kB]
    Ign http://archive.ubuntu.com lucid-updates Release                                           
    Hit http://ppa.launchpad.net lucid/main Packages                                              
    Get:13 http://archive.ubuntu.com lucid-security Release [38.5kB]     
    Ign http://archive.ubuntu.com lucid-security Release    
    Get:14 http://packages.medibuntu.org lucid Release [6,854B]
    Hit http://archive.ubuntu.com lucid/main Packages       
    Hit http://archive.ubuntu.com lucid/restricted Packages 
    Hit http://archive.ubuntu.com lucid/main Sources
    Hit http://archive.ubuntu.com lucid/restricted Sources
    Hit http://archive.ubuntu.com lucid/universe Packages   
    Hit http://archive.ubuntu.com lucid/universe Sources    
    Hit http://archive.ubuntu.com lucid/multiverse Packages 
    Ign http://packages.medibuntu.org lucid Release         
    Hit http://archive.ubuntu.com lucid/multiverse Sources
    Hit http://archive.ubuntu.com lucid-updates/main Packages
    Hit http://archive.ubuntu.com lucid-updates/restricted Packages
    Hit http://archive.ubuntu.com lucid-updates/main Sources
    Hit http://archive.ubuntu.com lucid-updates/restricted Sources
    Hit http://archive.ubuntu.com lucid-updates/universe Packages
    Hit http://archive.ubuntu.com lucid-updates/universe Sources
    Hit http://archive.ubuntu.com lucid-updates/multiverse Packages
    Hit http://packages.medibuntu.org lucid/free Packages
    Hit http://archive.ubuntu.com lucid-updates/multiverse Sources
    Hit http://archive.ubuntu.com lucid-security/main Packages
    Hit http://archive.ubuntu.com lucid-security/restricted Packages
    Hit http://archive.ubuntu.com lucid-security/main Sources
    Hit http://archive.ubuntu.com lucid-security/restricted Sources                
    Hit http://archive.ubuntu.com lucid-security/universe Packages                 
    Hit http://archive.ubuntu.com lucid-security/universe Sources                  
    Hit http://archive.ubuntu.com lucid-security/multiverse Packages               
    Hit http://archive.ubuntu.com lucid-security/multiverse Sources                
    Hit http://packages.medibuntu.org lucid/non-free Packages                      
    Fetched 9,920B in 3s (2,987B/s)
    Reading package lists... Done
    W: GPG error: http://linux.dropbox.com lucid Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY FC918B335044912E
    W: A error occurred during the signature verification. The repository is not updated and the previous index files will be used.GPG error: http://dl.google.com stable Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY A040830F7FAC5991
    
    W: GPG error: http://ppa.launchpad.net lucid Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 71346C8340130828
    W: GPG error: http://archive.ubuntu.com lucid Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 40976EAF437D05B5
    W: GPG error: http://archive.ubuntu.com lucid-updates Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 40976EAF437D05B5
    W: GPG error: http://archive.ubuntu.com lucid-security Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 40976EAF437D05B5
    W: GPG error: http://packages.medibuntu.org lucid Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 2EBC26B60C5A2783
    W: Failed to fetch http://dl.google.com/linux/deb/dists/stable/Release  
    
    W: Some index files failed to download, they have been ignored, or old ones used instead.

  6. #6
    Join Date
    Nov 2009
    Beans
    2
    Distro
    Ubuntu Studio 10.04 Lucid Lynx

    Re: Update Manager NO_PUBKEY

    I also get the same error on key 8E5D2411637A5E2A
    I discovered that this had something to do with the Akirad Repository. (from Cinelerra)
    The problem gets solved when I remove the following entries from '3rd party software':
    Code:
    Akirad Repository - Main (http://ppa.launchpad.net/akirad/akirad/ubuntu lucid) 
    Akirad Repository - Main (http://ppa.launchpad.net/akirad/ppa/ubuntu lucid) 
    Akirad Repository Sources- Main (http://ppa.launchpad.net/akirad/akirad/ubuntu lucid) 
    Akirad Repository Sources- Main (http://ppa.launchpad.net/akirad/ppa/ubuntu lucid)
    But... when i restart my computer, these entries are back in my repository.
    Does anyone know what i can do about that?

    Thanks a lot.

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