2021
https://linuxiac.com/centos-8-2015/
2020
https://wiki.centos.org/Manuals/ReleaseNotes/CentOS8.1911
    https://www.opennet.ru/opennews/art.shtml?num=52192
2019
https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/8.0_release_notes/overview
https://wiki.centos.org/Manuals/ReleaseNotes/CentOS8.1905
    http://www.opennet.ru/opennews/art.shtml?num=51556
https://www.redhat.com/en/about/press-releases/red-hat-enterprise-linux-8-every-enterprise-every-cloud-every-workload#
    http://www.opennet.ru/opennews/art.shtml?num=50644
2018
https://habr.com/company/redhatrussia/blog/430002/
http://www.opennet.ru/opennews/art.shtml?num=49613
    https://www.redhat.com/en/blog/powering-its-future-while-preserving-present-introducing-red-hat-enterprise-linux-8-beta