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pacman-key

Pacman-key is a command line tool in Arch Linux and its derivatives that manages the package signing keys. It is responsible for verifying and maintaining the integrity of the packages installed in the system.

This tool offers a range of functionalities to ensure package authenticity. It allows users to import, export, and search for keys using various key servers. Pacman-key can also refresh the keyring and update the keyring package.

By using pacman-key, users can trust the packages obtained from official repositories and trusted sources. It verifies the cryptographic signatures of packages during installation, ensuring they have not been tampered with.

This tool also assists in managing trusted user keys. Users can sign and trust keys to interact with trusted repositories or individual maintainers. Key revocations and expiration dates can also be managed using pacman-key.

Overall, pacman-key is an essential component of Arch Linux's security infrastructure, providing a robust and convenient way to handle package signing keys and maintain the integrity of the system.

List of commands for pacman-key:

- pacman-key
pacman-key:tldr:0f716 pacman-key: Add the specified keys.

$ sudo pacman-key --add ${path-to-keyfile-gpg}

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- pacman-key
pacman-key:tldr:156bd pacman-key: Add the default Arch Linux keys.

$ sudo pacman-key --populate ${archlinux}

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- pacman-key
pacman-key:tldr:95811 pacman-key: Print the fingerprint of a specific key.

$ pacman-key --finger "${select}"

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- pacman-key
pacman-key:tldr:b842b pacman-key: Initialize the pacman keyring.

$ sudo pacman-key --init

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- pacman-key
pacman-key:tldr:d8ad6 pacman-key: Sign an imported key locally.

$ sudo pacman-key --lsign-key "${select}"

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- pacman-key
pacman-key:tldr:e4979 pacman-key: Receive a key from a key server.

$ sudo pacman-key --recv-keys "${select}"

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- pacman-key
pacman-key:tldr:f314a pacman-key: Remove a specific key.

$ sudo pacman-key --delete "${select}"

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- pacman-key
pacman-key:tldr:f9754 pacman-key: List keys from the public keyring.

$ pacman-key --list-keys

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tool overview