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apt-key

Key management utility for the APT Package Manager on Debian and Ubuntu. tldr-pages

On Linux

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Linux

from tldr-pages, CC BY 4.0

Key management utility for the APT Package Manager on Debian and Ubuntu. Note: This command is deprecated (except for the use of apt-key del in maintainer scripts).

List trusted keys

apt-key listIdentify

Add a key to the trusted keystore

apt-key add public_key_file.ascIdentify

Delete a key from the trusted keystore

apt-key del key_idIdentify

Add a remote key to the trusted keystore

wget --quiet --output-document - https://host.tld/filename.key | apt-key add -Identify

Add a key from keyserver with only key ID

apt-key adv --keyserver pgp.mit.edu --recv key_idIdentify