如何修复 APT 错误 NO_PUBKEY B53DC80D13EDEF05
问题：
当你运行 apt update 时，你看到以下错误消息：
apt_pubkey_error.txt
Err:12 http://packages.cloud.google.com/apt gcsfuse-bionic InRelease
The following signatures couldn't be verified because the public key is not available: NO_PUBKEY B53DC80D13EDEF05解决方案
使用以下命令安装 Google Cloud 密钥
install_google_cloud_key.sh
curl -fsSL https://packages.cloud.google.com/apt/doc/apt-key.gpg| gpg -o /usr/share/keyrings/kubernetes-archive-keyring.gpg --dearmor之后，你可以尝试运行
apt_update.sh
sudo apt update再次。
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