نمام مشکلات سر این repository است

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[root@IBSng ~]# wget   https://download.postgresql.org/pub/repos/yum/12/redhat/rhel-7-x86_64/pgdg-redhat-repo-latest.noarch.rpm                                                                                                              --2020-08-30 22:51:22--  https://download.postgresql.org/pub/repos/yum/12/redhat/rhel-7-x86_64/pgdg-redhat-repo-latest.noarch.rpm
Resolving download.postgresql.org... 147.75.85.69, 217.196.149.55, 72.32.157.246, ...
Connecting to download.postgresql.org|147.75.85.69|:443... connected.
HTTP request sent, awaiting response... 200 OK
Length: 6672 (6.5K) [application/x-redhat-package-manager]
Saving to: “pgdg-redhat-repo-latest.noarch.rpm”


100%[===================================================================================================================================================================================================>] 6,672       --.-K/s   in 0s


2020-08-30 22:51:22 (159 MB/s) - “pgdg-redhat-repo-latest.noarch.rpm” saved [6672/6672]


[root@IBSng ~]# rpm -Uvh pgdg-redhat-repo-latest.noarch.rpm
warning: pgdg-redhat-repo-latest.noarch.rpm: Header V4 DSA/SHA1 Signature, key ID 442df0f8: NOKEY
Preparing...                ########################################### [100%]
   1:pgdg-redhat-repo       ########################################### [100%]
[root@IBSng ~]# yum install pgadmin4
Loaded plugins: fastestmirror, priorities, replace
Setting up Install Process
Loading mirror speeds from cached hostfile
 * base: mirror.softaculous.com
 * extras: linux.darkpenguin.net
 * rpmforge: mirror1.hs-esslingen.de
 * updates: mirror.alpix.eu
 * webtatic: uk.repo.webtatic.com
Webmin                                                                                                                                                                                                                | 2.9 kB     00:00
base                                                                                                                                                                                                                  | 3.7 kB     00:00
extras                                                                                                                                                                                                                | 3.4 kB     00:00
https://download.postgresql.org/pub/repos/yum/common/redhat/rhel-6-x86_64/repodata/repomd.xml: [Errno 14] problem making ssl connection
Trying other mirror.
Error: Cannot retrieve repository metadata (repomd.xml) for repository: pgdg-common. Please verify its path and try again