apt-key:tldr:6f574

apt-key: List trusted keys.

apt-key

$ apt-key list

try on your machine

The command "apt-key list" is used in Ubuntu and Debian-based systems to display the list of trusted GnuPG keys used by the Advanced Packaging Tool (APT).

When packages are installed or upgraded in Ubuntu or Debian, APT verifies the authenticity and integrity of the packages using a system of digital signatures. These signatures are created and verified using GnuPG keys. Each repository that supplies packages to APT has its own specific GnuPG key.

The "apt-key list" command displays information about these keys. It lists the key ID, key type, creation and expiration dates, and other information associated with each key. This information helps the user to check and verify the keys used by APT to ensure the authenticity of the packages being installed or upgraded.

This explanation was created by an AI. In most cases those are correct. But please always be careful and never run a command you are not sure if it is safe.

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