If needed follow the Repo pages of [https://wiki.contribs.org/Fws fws] and [https://wiki.contribs.org/Remi-safe remi-safe] to add those two repos.
+
You do not need to follow the Repo pages of [https://wiki.contribs.org/Fws fws] and [https://wiki.contribs.org/Remi-safe remi-safe] to isntall those two needed repos, instead use the packages to install them followed by a yum-modify event. Then run the main installation.