Hello, I am just following instructions from the web sites for mysql, postgresql, and the Red Hat site.Never had this issue with my Debian machine.thanks,Greg On Thursday, July 15, 2021, 10:53:33 AM CDT, greg zegan via PLUG-discuss wrote: Hello,  as per my previous email here is more details on the error I am getting:How to register and subscribe a system to the Red Hat Customer Portal using Red Hat Subscription-Manager - Red Hat Customer Portal | | | | | | | | | | | How to register and subscribe a system to the Red Hat Customer Portal us... How to register a new Red Hat Enterprise Linux system to the Customer Portal using Red Hat Subscription-Manager ... | | | [root@GreenRoom ~]# subscription-manager attachThis system is not yet registered. Try 'subscription-manager register --help' for more information.[root@GreenRoom ~]# subscription-manager registerRegistering to: subscription.rhsm.redhat.com:443/subscriptionUsername: gzeganPassword: Unable to verify server's identity: [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed (_ssl.c:897)[root@GreenRoom ~]#  please advise.thanks,Greg --------------------------------------------------- PLUG-discuss mailing list - PLUG-discuss@lists.phxlinux.org To subscribe, unsubscribe, or to change your mail settings: https://lists.phxlinux.org/mailman/listinfo/plug-discuss