HashiCorpのapt GPGキーを更新する

$ sudo apt update

Err:2 https://apt.releases.hashicorp.com focal InRelease
  The following signatures couldn't be verified because the public key is not available: NO_PUBKEY AA16FCBCA621E701

W: An error occurred during the signature verification. The repository is not updated and the previous index files will be used. GPG error: https://apt.releases.hashicorp.com focal InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY AA16FCBCA621E701
W: Failed to fetch https://apt.releases.hashicorp.com/dists/focal/InRelease  The following signatures couldn't be verified because the public key is not available: NO_PUBKEY AA16FCBCA621E701
W: Some index files failed to download. They have been ignored, or old ones used instead.

• https://developer.hashicorp.com/terraform/cli/install/apt

wget -O- https://apt.releases.hashicorp.com/gpg | gpg --dearmor | sudo tee /usr/share/keyrings/hashicorp-archive-keyring.gpg

gpg --no-default-keyring --keyring /usr/share/keyrings/hashicorp-archive-keyring.gpg --fingerprint

echo "deb [signed-by=/usr/share/keyrings/hashicorp-archive-keyring.gpg] https://apt.releases.hashicorp.com $(lsb_release -cs) main" | sudo tee /etc/apt/sources.list.d/hashicorp.list