Hi,

It's the second time I report this issue or a similar issue and the last time you didn't care much and tried to belittle the problem. I suggest you employ someone with the adequate skills this time to fix the problem permanently. It's not that hard really...

PoC:

1. yum update
   Updating Subscription Management repositories.
   Last metadata expiration check: 0:01:10 ago on Wed Aug 18 10:56:21 2021.
   Dependencies resolved.
   =============================================================================================================================================================================================================================================
   Package Architecture Version Repository Size
   =============================================================================================================================================================================================================================================
   Upgrading:
   libsss_autofs x86_64 2.4.0-9.el8_4.2 rhel-8-for-x86_64-baseos-rpms 113 k
   libsss_certmap x86_64 2.4.0-9.el8_4.2 rhel-8-for-x86_64-baseos-rpms 150 k
   libsss_idmap x86_64 2.4.0-9.el8_4.2 rhel-8-for-x86_64-baseos-rpms 116 k
   libsss_nss_idmap x86_64 2.4.0-9.el8_4.2 rhel-8-for-x86_64-baseos-rpms 122 k
   libsss_sudo x86_64 2.4.0-9.el8_4.2 rhel-8-for-x86_64-baseos-rpms 111 k
   percona-release noarch 1.0-27 prel-release-noarch 20 k
   sssd-client x86_64 2.4.0-9.el8_4.2 rhel-8-for-x86_64-baseos-rpms 197 k
   sssd-common x86_64 2.4.0-9.el8_4.2 rhel-8-for-x86_64-baseos-rpms 1.6 M
   sssd-kcm x86_64 2.4.0-9.el8_4.2 rhel-8-for-x86_64-baseos-rpms 236 k
   sssd-nfs-idmap x86_64 2.4.0-9.el8_4.2 rhel-8-for-x86_64-baseos-rpms 111 k

Transaction Summary

=============================================================================================================================================================================================================================================
Upgrade 10 Packages

Total download size: 2.8 M
Is this ok [y/N]: y
Downloading Packages:
(1/10): percona-release-1.0-27.noarch.rpm 114 kB/s | 20 kB 00:00
(2/10): libsss_autofs-2.4.0-9.el8_4.2.x86_64.rpm 328 kB/s | 113 kB 00:00
(3/10): libsss_sudo-2.4.0-9.el8_4.2.x86_64.rpm 315 kB/s | 111 kB 00:00
(4/10): libsss_certmap-2.4.0-9.el8_4.2.x86_64.rpm 462 kB/s | 150 kB 00:00
(5/10): libsss_idmap-2.4.0-9.el8_4.2.x86_64.rpm 569 kB/s | 116 kB 00:00
(6/10): sssd-common-2.4.0-9.el8_4.2.x86_64.rpm 4.3 MB/s | 1.6 MB 00:00
(7/10): sssd-client-2.4.0-9.el8_4.2.x86_64.rpm 841 kB/s | 197 kB 00:00
(8/10): sssd-nfs-idmap-2.4.0-9.el8_4.2.x86_64.rpm 251 kB/s | 111 kB 00:00
(9/10): libsss_nss_idmap-2.4.0-9.el8_4.2.x86_64.rpm 652 kB/s | 122 kB 00:00
(10/10): sssd-kcm-2.4.0-9.el8_4.2.x86_64.rpm 878 kB/s | 236 kB 00:00
---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Total 2.8 MB/s | 2.8 MB 00:01
warning: /var/cache/dnf/prel-release-noarch-583df9cca0e25047/packages/percona-release-1.0-27.noarch.rpm: Header V4 DSA/SHA1 Signature, key ID cd2efd2a: NOKEY
Percona Release release/noarch YUM repository 4.5 MB/s | 4.7 kB 00:00
GPG key at file:///etc/pki/rpm-gpg/PERCONA-PACKAGING-KEY (0x8507EFA5) is already installed
The GPG keys listed for the "Percona Release release/noarch YUM repository" repository are already installed but they are not correct for this package.
Check that the correct key URLs are configured for this repository.. Failing package is: percona-release-1.0-27.noarch
GPG Keys are configured as: file:///etc/pki/rpm-gpg/PERCONA-PACKAGING-KEY
The downloaded packages were saved in cache until the next successful transaction.
You can remove cached packages by executing 'yum clean packages'.
Error: GPG check FAILED