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1. enable Canonical
PartnerRepository Open Terminal and type commands below to
sudo apt-add-repository "deb http://archive.canonical.com/$(lsb_release -sc) partner"
2. Update Repo and Install flash plugins
sudo apt-get update && sudo apt-get installflashplugin-installer
sudo apt-add-repository "deb http://archive.canonical.com/$(lsb_release -sc) partner"
2. Update Repo and Install flash plugins
sudo apt-get update && sudo apt-get installflashplugin-installer