How to upgrade from Fedora 17 to to Fedora 18?
Before to start upgrade , please backup any critical data before to start the upgrade
you can upgrade it by using fedup
1- install the latest version by :
yum --enablerepo=updates-testing install fedup
2- Now you can upgrade by using one of the two methods bellow:
2.1 – By using network
sudo fedup-cli --network 18 --debuglog fedupdebug.log
2.2 – By using an iso file
And is done.