W: GPG error: http://ppa.launchpad.net trusty InRelease: The following signatures couldn't be ve

Posted 2022-01-12 sea-stream

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报错信息：

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 8CF63AD3F06FC659

解决：

sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys  8CF63AD3F06FC659

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