Will it boot? Well, obviously, I kind of disclosed that in the title, didn't I? This article covers the in-vivo upgrade process to CentOS 7.4 (170 release, including manual configuration of third-party repositories, conflicts and dependencies, successful update, KDE and Gnome desktops, customization, extra programs, stability, performance, relevance, and more. Have fun. https://www.dedoimedo.com/computers/centos-7-4-upgrade.html Cheers, Mrk