[ Thanks to Falko
Timme for this link. ]
“This article describes how you can upgrade your Fedora 14
system to Fedora 15. The upgrade procedure works for both desktop
and server installations.“I do not issue any guarantee that this will work for you!
“1 Preliminary Note: The commands in this article must be
executed with root privileges. Open a terminal (on a Fedora 14
desktop, go to Applications > System Tools > Terminal) and
log in as root, or if you log in with a regular user, type…”