sudo apt-get update
Ign:1 http://mjnlk3fwben7433a.onion/parrot parrot InRelease
Err:2 http://mjnlk3fwben7433a.onion/parrot parrot Release
Direct connection to .onion domains is blocked by default. If you meant to use Tor remember to use tor+http instead of http.
Atingido:3 http://deb.parrotsec.org/parrot stable InRelease
Atingido:4 https://ba.mirror.garr.it/mirrors/parrot parrot InRelease
Lendo listas de pacotes… Pronto
E: The repository ‘http://mjnlk3fwben7433a.onion/parrot parrot Release’ does not have a Release file.
N: Updating from such a repository can’t be done securely, and is therefore disabled by default.
N: See apt-secure(8) manpage for repository creation and user configuration details.
the solution is included in the error message
also remember to start the tor service and verify that it established a working circuit