W: An error occurred during the signature verification. The repository is not updated and the previous index files will be used. GPG error: http://repo.percona.com trusty InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 9334A25F8507EFA5
W: Failed to fetch http://repo.percona.com/apt/dists/trusty/InRelease
W: Some index files failed to download. They have been ignored, or old ones used instead.
代碼: 選擇全部
apt-key adv --keyserver keys.gnupg.net --recv-keys 8507EFA5