ubuntu apt-update NO_PUBKEY 40976EAF437D05B5 NO_PUBKEY 3B4FE6ACC0B21F32
because the public key is not available: NO_PUBKEY 40976E ...
原文：The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 40976EAF437D05B5 NO_PUBKEY 3B4FE6ACC0B21F32
apt key adv keyserver keyserver.ubuntu.com recv keys B FE ACC B F ...
2019-08-13 23:27 0 489 推荐指数：
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