Ubuntu 解決 public key is not available 問題 NO_PUBKEY
問題： The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 5DC22404A6F9F1CA解決方法：把pubkey后面的8為復制gpg ...
原文：ros the public key is not available
W: An error occurred during the signature verification. The repository is not updated and the previous index files will be used. GPG error: http: packages.ros.org ros ubuntu xenial InRelease: The foll ...
2019-07-15 10:48 0 572 推薦指數：
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