
Fix “The following signatures couldn’t be verified” : Ubuntu 22.04 GPG error
The following signatures couldn’t be verified because the public key is not available: NO_PUBKEY 8539176957BCBAF6 Reading package lists… Done W: GPG error: http://ppa.launchpad.net/peek-developers/daily/ubuntu jammy InRelease: The following signatures couldn’t be verified because the public key is not available: NO_PUBKEY 8539176957BCBAF6 This is the common error that you will come across on Ubuntu 22.04 LTS while …
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