Error while installing yum [problem making ssl connection]

March 16, 2019 lll 1 comment :

Error
https://download.postgresql.org/pub/repos/yum/testing/12/redhat/rhel-6Server-x86_64/repodata/repomd.xml: [Errno 14] problem making ssl connection
Trying other mirror.
Error: Cannot retrieve repository metadata (repomd.xml) for repository: pgdg12-updates-testing. Please verify its path and try again

Action:
1- cd /etc/yum.repos.d
2- rm -rf *

3- # cd /etc/yum.repos.d
# wget http://yum.oracle.com/public-yum-ol6.repo

Reference: https://blogs.oracle.com/wim/setting-up-oracle-linux-6-with-public-yum-for-all-updates

4-
From command prompt as root or root equivalent user run the following commands:

1) yum-config-manager --disable centrify.repo
2) yum clean all
3) yum update yum
4) yum update curl
5) yum update openssl
6) yum update nss
7) yum-config-manager --enable centrify.repo

Reference: https://centrify.force.com/support/Article/KB-11461-Centrify-Yum-repo-fails-with-Errno-14-problem-making-ssl-connection/

Now you can install the software package using yum.M