Last metadata expiration check: 2:03:45 ago on Sat 10 Feb 2018 06:32:25 AM EST. Dependencies resolved. =============================================================================================================================================================================================================================================  Package Arch Version Repository                                            Size ============================================================================================================================================================================================================================================= Upgrading:  libdvdcss x86_64 1.4.1-1.fc27.remi livna                                                 71 k Transaction Summary ============================================================================================================================================================================================================================================= Upgrade  1 Package Total size: 71 k Is this ok [y/N]: y Downloading Packages: [SKIPPED] libdvdcss-1.4.1-1.fc27.remi.x86_64.rpm: Already downloaded warning: /var/cache/dnf/livna-cec64278843bd06c/packages/libdvdcss-1.4.1-1.fc27.remi.x86_64.rpm: Header V4 RSA/SHA256 Signature, key ID 0364b949: NOKEY Importing GPG key 0xA109B1EC:  Userid     : "Livna.org rpms <rpm-key(a)livna.org&gt;&quot;  Fingerprint: 037B 5D9B E1B6 B673 2A23 13B5 7129 5441 A109 B1EC  From       : /etc/pki/rpm-gpg/RPM-GPG-KEY-livna Is this ok [y/N]: y Key imported successfully Import of key(s) didn't help, wrong key(s)? Public key for libdvdcss-1.4.1-1.fc27.remi.x86_64.rpm is not installed. Failing package is: libdvdcss-1.4.1-1.fc27.remi.x86_64  GPG Keys are configured as: file:///etc/pki/rpm-gpg/RPM-GPG-KEY-livna The downloaded packages were saved in cache until the next successful transaction. You can remove cached packages by executing 'dnf clean packages'. Error: GPG check FAILED [username@hostname ~]$