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“无法验证以下签名，因为公钥不可用：NO_PUBKEY 16126D3A3E5C1192”

tag-icon • tag-icon apt gnupg
“无法验证以下签名，因为公钥不可用：NO_PUBKEY 16126D3A3E5C1192” 
$ sudo apt-get update
W: A error occurred during the signature verification. The repository is not updated and the previous index files will be used. GPG error: http://extras.ubuntu.com maverick Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 16126D3A3E5C1192
W: Failed to fetch http://extras.ubuntu.com/ubuntu/dists/maverick/Release  
W: Some index files failed to download, they have been ignored, or old ones used instead.

我该如何消除这些警告？apt-get update从我新安装 10.10 开始，运行就给我这些警告。

答案1

选项1

从这里：

sudo apt-get install --reinstall ubuntu-extras-keyring

选项 2

看这里。

概括：

打开终端并运行以下命令：

gpg --keyserver keyserver.ubuntu.com --recv 3E5C1192
gpg --export --armor 3E5C1192 | sudo apt-key add -
sudo apt-get update

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