Error says:
# apt-get update GPG error: https://packages.sury.org/php buster InRelease: The following signatures were invalid: EXPKEYSIG B188E2B695BD4743 DEB.SURY.ORG
Full listing
$ sudo apt-get update ... W: An error occurred during the signature verification. The repository is not updated and the previous index files will be used. GPG error: https://packages.sury.org/php buster InRelease: The following signatures were invalid: EXPKEYSIG B188E2B695BD4743 DEB.SURY.ORG Automatic Signing Key <[email protected]> W: Failed to fetch https://packages.sury.org/php/dists/buster/InRelease The following signatures were invalid: EXPKEYSIG B188E2B695BD4743 DEB.SURY.ORG Automatic Signing Key <[email protected]> W: Some index files failed to download. They have been ignored, or old ones used instead. $ apt-key list | grep -A 1 expired Warning: apt-key output should not be parsed (stdout is not a terminal) pub rsa3072 2019-03-18 [SC] [expired: 2021-03-17] 1505 8500 A023 5D97 F5D1 0063 B188 E2B6 95BD 4743 uid [ expired] DEB.SURY.ORG Automatic Signing Key <[email protected]>
For treatment, you need to delete the old key and download a new one, and if it does not help, then view the local key store for the presence of a second DEB.SURY.ORG key and delete the one that is expired:
$ sudo rm -rf /etc/apt/trusted.gpg.d/sury.gpg $ sudo apt-key del 95BD4743 $ sudo wget -O /etc/apt/trusted.gpg.d/sury.gpg https://packages.sury.org/php/apt.gpg $ apt-key list | grep -A 5 sury Warning: apt-key output should not be parsed (stdout is not a terminal) /etc/apt/trusted.gpg.d/sury.gpg ------------------------------- pub rsa3072 2019-03-18 [SC] [expires: 2024-02-16] 1505 8500 A023 5D97 F5D1 0063 B188 E2B6 95BD 4743 uid [ unknown] DEB.SURY.ORG Automatic Signing Key <[email protected]> sub rsa3072 2019-03-18 [E] [expires: 2024-02-16]
$ sudo apt-get update $ sudo apt-get upgrade
Maybe successful update…
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