[SKIPPED] jenkins-2.249.3-1.1.noarch.rpm: Already downloaded
warning: /var/cache/dnf/jenkins-0919f06c02b07800/packages/jenkins-2.249.3-1.1.noarch.rpm: Header V4 RSA/SHA512 Signature, key ID 45f2c3d5: NOKEY
Public key for jenkins-2.249.3-1.1.noarch.rpm is not installed
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
解决办法（“”曲线救国“”）
修改已经下载好的Jenkins的yum源 原本是“”1“” 更改为“”0“” 零意思是不开启key的校验
