דרך המדריך הבא:
http://www.liberiangeek.net/2012/06/opera-12-released-how-to-install-it-in-ubuntu-12-04-precise-pangolin/
ד"א בעת ההתקנה קיבלתי את ההודעה הבא:
Unknown media type in type 'all/all'
Unknown media type in type 'all/allfiles'
Unknown media type in type 'uri/mms'
Unknown media type in type 'uri/mmst'
Unknown media type in type 'uri/mmsu'
Unknown media type in type 'uri/pnm'
Unknown media type in type 'uri/rtspt'
Unknown media type in type 'uri/rtspu'