linux-******:~ # zypper --no-gpg-checks in -f /home/rolf/Downloads/epson-inkjet-printer-escpr-1.4.5-1lsb3.2.x86_64.rpm
Loading repository data...
Reading installed packages...
Forcing installation of 'epson-inkjet-printer-escpr-1.4.5-1lsb3.2.x86_64' from repository 'Plain RPM files cache'.
Resolving package dependencies...
The following package is going to be reinstalled:
epson-inkjet-printer-escpr
1 package to reinstall.
Overall download size: 2.2 MiB. Already cached: 0 B No additional
space will be used or freed after the operation.
Continue? [y/n/? shows all options] (y): y
Retrieving package epson-inkjet-printer-escpr-1.4.5-1lsb3.2.x86_64
(1/1), 2.2 MiB ( 2.7 MiB unpacked)
epson-inkjet-printer-escpr-1.4.5-1lsb3.2.x86_64.rpm:
Header V4 DSA/SHA1 Signature, key ID 8aa65d56: NOKEY
V4 DSA/SHA1 Signature, key ID 8aa65d56: NOKEY
epson-inkjet-printer-escpr-1.4.5-1lsb3.2.x86_64(Plain RPM files cache): Signature verification failed [4-Signatures public key is not available]
Accepting package despite the error. (--no-gpg-checks)
Checking for file conflicts: ..................................[done]
(1/1) Installing: epson-inkjet-printer-escpr-1.4.5-1lsb3.2 ....[done]
Additional rpm output:
warning: /var/cache/zypp/packages/_tmpRPMcache_/epson-inkjet-printer-escpr-1.4.5-1lsb3.2.x86_64.rpm: Header V4 DSA/SHA1 Signature, key ID 8aa65d56: NOKEY
linux-******:~ #