1. Switch to the root user

sudo -i
## OR ##
his –

2. Cài Adobe YUM Repository RPM

## Adobe Repository 32-bit x86 ##
rpm -ivh http://linuxdownload.adobe.com/adobe-release/adobe-release-i386-1.0-1.noarch.rpm
rpm –import /etc/pki/rpm-gpg/RPM-GPG-KEY-adobe-linux

## Adobe Repository 64-bit x86_64 ##
rpm -ivh http://linuxdownload.adobe.com/adobe-release/adobe-release-x86_64-1.0-1.noarch.rpm
rpm –import /etc/pki/rpm-gpg/RPM-GPG-KEY-adobe-linux

3. Update Repositories

yum check-update

4. Cài Adobe Flash Player 11.2 Fedora

yum install flash-plugin nspluginwrapper alsa-plugins-pulseaudio libcurl

Source: tloss.blogspot.com