Just setup my first CentOS 7 server (always used Debian until now) and after initial setup and configuration I have received in the first 24 hours of operation 2 emails separated in time by 1 minute with the following:
I’m just a newbie with CentOS 7 and this error after some research seems to be just a temporary network error when server was trying to get updates using cron, because if I round a manual “yum update” all is ok.
Server has automatic security updates enabled and "epel" setup due to use fail2ban.
So, nothing to worry about this error and is a normal error? Or I’m really just a “baby newbie” and something is really wrong with my server?