I upgraded some old systems before from fedora 4 and fedora 6 to fedora 9 and 10 using the cds, When I booted the cds of fedora 9 and 10 it detected the old installed fedora and offered to upgrade it, It sounds nice, I chose to upgrade and every thing went fine, The old fedora 4 and 6 became 9 and 10.
I found a nice tutorial on how to upgrade to the latest Fedora 15 from Fedora 14. This upgrade will need the Preupgrade package. So you must install preupgrade first to continue. Preupgrade is a upgrade assistant that will help you to easily upgrade your current Fedora 14 to the new Fedora 15. OK lets [...]
Now that Fedora 18, aka Spherical Cow, has been released, users of Fedora 17 will likely be gearing up to upgrade. Before this latest release, upgrading an installation of Fedora requires a procedure that’s not very elegant.
With Fedora 18, the recommended upgrade tool is called FedUp (FEDora UPgrade).
I had fedora 10 a while back,and when fedora 11 came out a few days later my PC prompted me to upgrade.. all from desktop.. clicked one button and that was it, 10 minutes later it was upgraded... perfect.
Not sure where to post this on this forum, but I recently upgraded from Fedora 15 to Fedora 19. I am using gnome, I can connect to my linux box using a VNC client and login through the greeter. However, All the menus are off-screen. I know this because I can place the cursor in the middle top of the screen and the calender pushes down.
I was reading about upgrading Fedora using "fedup" on the site http://fedoraproject.org/wiki/FedUp and noticed that upgrading with an iso on a computer that has internet access will add updates during the installation of the new version of Fedora:
In order to use an ISO file, it needs to exist locally on the filesystem of the system to be upgraded.