https://lists.centos.org/hyperkitty/list/discuss@lists.centos.org/message/HOVHNSF2KJREWFUYXIWT2HRF32TCBJHP/
[CentOS] yum-updatesd.conf on centos 5 - Discuss - lists.centos.org
centosyumconfdiscusslists
https://man7.org/linux/man-pages/man8/yum-updatesd.8.html
yum-updatesd(8) - Linux manual page
yumlinuxmanual