Fedora 21 has just been released and it’s ready to be installed. If you got sick and tired to reinstall your OS every few months, now there’s an alternative called FedUp that allows you to upgrade to the latest release without reinstalling and by using the network to download new packages, or, an ISO of Fedora 21 from your hard drive.

Fedora 21 64-bit-2014-12-14 Fedora 21 64-bit-2014-12-14

 
Fedora 21 64-bit-2014-12-14

Fedora 21 64-bit-2014-12-14 Fedora 21 64-bit-2014-12-14

Installation

Before anything, do a full system upgrade and reboot:

sudo yum update

To install FedUp, open a terminal and type:

sudo yum install fedup

Update fedora-release packages and fedup if you already have it installed:

sudo yum update fedup fedora-release

Upgrading

There are two ways of doing this (well, three if you have Fedora 21 already burned on a DVD) but the recommended way is by network because this will ensure you get the latest packages installed.

By Network:

sudo fedup --network 21 --product=workstation

By ISO:

sudo fedup --iso /path/to/Fedora-Live-Workstation-x86_64-21-5.iso --product=workstation

By DVDROM:

sudo fedup --device /mnt/cdrom/ --product=workstation

This will take some time depending on your internet connection but once it’s finished, reboot your computer and select System Upgrade (fedup) from the GRUB menu. After booting, do a rpm cleanup with:

sudo rpm --rebuilddb
sudo yum distro-sync --setopt=deltarpm=0

That’s it!

HowTo Upgrade to Fedora 21 Without Reinstalling
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