Tag Archives: zentyal update key error

[Fixed] Zentyal 3.5 NO_PUBKEY error in apt-get update

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Zentyal community edition is one of the widely used application for managing infrastructure. Zentyal pushes frequent updates through Zentyal repositories. One my get following error while upgrading Zentyal: W: GPG error: http://archive.zentyal.org 3.5 Release: The following signatures couldn’t be verified because the public key is not available: NO_PUBKEY 8E9229F7E23F4777 Solution: Add the Zentyal 3.5 key so that apt connect to …

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