dit document beschrijft nut en werking van RPM signing key
sudo rpm --import <bestand>.asc OF: sudo rpm --import https://artifacts.elastic.co/GPG-KEY-elasticsearch
wget -qO - https://artifacts.elastic.co/GPG-KEY-elasticsearch | sudo apt-key add -
nu is de handtekening beschikbaar om rpm's die hiermee ondertekend, zijn te controleren
sudo rpm -qa --qf '%{VERSION}-%{RELEASE} %{SUMMARY}\n' gpg-pubkey*
sudo apt-key list
f4a80eb5-53a7ff4b gpg(CentOS-7 Key (CentOS 7 Official Signing Key) <security@centos.org>) 352c64e5-52ae6884 gpg(Fedora EPEL (7) <epel@fedoraproject.org>) 00f97f56-467e318a gpg(Remi Collet <RPMS@FamilleCollet.com>) d88e42b4-52371eca gpg(Elasticsearch (Elasticsearch Signing Key) <dev_ops@elasticsearch.org>) 1bb943db-511147a9 gpg(MariaDB Package Signing Key <package-signing-key@mariadb.org>)
rpm -e gpg-pubkey-<signature>
sudo apt-key del <keyid>
rpm -e gpg-pubkey-1bb943db-511147a9
voeg hier linken toe naar verdere uitleg