tldr/pages/linux/apt-key.md

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apt-key

Key management utility for the APT Package Manager on Debian and Ubuntu

  • List trusted keys

apt-key list

  • Add a key to the trusted keystore

apt-key add {{public_key_file.asc}}

  • Delete a key from the trusted keystore

apt-key del {{key_id}}

  • Add a remote key to the trusted keystore

wget -qO - {{https://host.tld/filename.key}} | apt-key add -