Transmageddon 1.0, Video Transcoding Software for Ubuntu 14.04 is can now do DVD Rip. It uses Gstreamer for doing Video Transcoding in Ubuntu. The latest release comes with some exiting features. Support files with multiple audio streams, allowing you to transcode them to different codecs or drop them from the new file DVD ripping support.
The flash player is not coming in Ubuntu 12.04 LTS by default. So in firefox you cannot play flash in the default ubuntu installation. But you can manualy install flash player from a PPA. Now a days flash is replaced by HTML5. But still for playing video and play some games flash player is a